axmol/core/ui/UIRichText.cpp

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/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
Copyright (c) 2021 Bytedance Inc.
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https://adxeproject.github.io
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Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "ui/UIRichText.h"
#include <sstream>
#include <vector>
#include <locale>
#include <algorithm>
#include "platform/CCFileUtils.h"
#include "platform/CCApplication.h"
#include "base/CCEventListenerTouch.h"
#include "base/CCEventDispatcher.h"
#include "base/CCDirector.h"
#include "2d/CCLabel.h"
#include "2d/CCSprite.h"
#include "base/ccUTF8.h"
#include "ui/UIHelper.h"
#include "platform/CCSAXParser.h"
USING_NS_CC;
using namespace cocos2d::ui;
class ListenerComponent : public Component
{
public:
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static const std::string COMPONENT_NAME; /*!< component name */
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static ListenerComponent* create(Node* parent,
std::string_view url,
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const RichText::OpenUrlHandler handleOpenUrl = nullptr)
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{
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auto component = new ListenerComponent(parent, url, std::move(handleOpenUrl));
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component->autorelease();
return component;
}
explicit ListenerComponent(Node* parent, std::string_view url, const RichText::OpenUrlHandler handleOpenUrl)
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: _parent(parent), _url(url), _handleOpenUrl(std::move(handleOpenUrl))
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{
setName(ListenerComponent::COMPONENT_NAME);
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_touchListener = cocos2d::EventListenerTouchAllAtOnce::create();
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_touchListener->onTouchesEnded = CC_CALLBACK_2(ListenerComponent::onTouchesEnded, this);
Director::getInstance()->getEventDispatcher()->addEventListenerWithSceneGraphPriority(_touchListener, _parent);
_touchListener->retain();
}
virtual ~ListenerComponent()
{
Director::getInstance()->getEventDispatcher()->removeEventListener(_touchListener);
_touchListener->release();
}
void onTouchesEnded(const std::vector<Touch*>& touches, Event* /*event*/)
{
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for (const auto& touch : touches)
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{
// FIXME: Node::getBoundBox() doesn't return it in local coordinates... so create one manually.
Rect localRect = Rect(Vec2::ZERO, _parent->getContentSize());
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if (localRect.containsPoint(_parent->convertTouchToNodeSpace(touch)))
{
if (_handleOpenUrl)
{
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_handleOpenUrl(_url);
}
}
}
}
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void setOpenUrlHandler(const RichText::OpenUrlHandler& handleOpenUrl) { _handleOpenUrl = handleOpenUrl; }
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private:
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Node* _parent; // weak ref.
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std::string _url;
RichText::OpenUrlHandler _handleOpenUrl;
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EventListenerTouchAllAtOnce* _touchListener; // strong ref.
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};
const std::string ListenerComponent::COMPONENT_NAME("cocos2d_ui_UIRichText_ListenerComponent");
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bool RichElement::init(int tag, const Color3B& color, uint8_t opacity)
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{
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_tag = tag;
_color = color;
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_opacity = opacity;
return true;
}
bool RichElement::equalType(Type type)
{
return (_type == type);
}
void RichElement::setColor(const Color3B& color)
{
_color = color;
}
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RichElementText* RichElementText::create(int tag,
const Color3B& color,
uint8_t opacity,
std::string_view text,
std::string_view fontName,
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float fontSize,
uint32_t flags,
std::string_view url,
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const Color3B& outlineColor,
int outlineSize,
const Color3B& shadowColor,
const Vec2& shadowOffset,
int shadowBlurRadius,
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const Color3B& glowColor)
{
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RichElementText* element = new RichElementText();
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if (element->init(tag, color, opacity, text, fontName, fontSize, flags, url, outlineColor, outlineSize, shadowColor,
shadowOffset, shadowBlurRadius, glowColor))
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{
element->autorelease();
return element;
}
CC_SAFE_DELETE(element);
return nullptr;
}
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bool RichElementText::init(int tag,
const Color3B& color,
uint8_t opacity,
std::string_view text,
std::string_view fontName,
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float fontSize,
uint32_t flags,
std::string_view url,
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const Color3B& outlineColor,
int outlineSize,
const Color3B& shadowColor,
const Vec2& shadowOffset,
int shadowBlurRadius,
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const Color3B& glowColor)
{
if (RichElement::init(tag, color, opacity))
{
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_text = text;
_fontName = fontName;
_fontSize = fontSize;
_flags = flags;
_url = url;
_outlineColor = outlineColor;
_outlineSize = outlineSize;
_shadowColor = shadowColor;
_shadowOffset = shadowOffset;
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_shadowBlurRadius = shadowBlurRadius;
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_glowColor = glowColor;
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return true;
}
return false;
}
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RichElementImage* RichElementImage::create(int tag,
const Color3B& color,
uint8_t opacity,
std::string_view filePath,
std::string_view url,
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Widget::TextureResType texType)
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{
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RichElementImage* element = new RichElementImage();
if (element->init(tag, color, opacity, filePath, url, texType))
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{
element->autorelease();
return element;
}
CC_SAFE_DELETE(element);
return nullptr;
}
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bool RichElementImage::init(int tag,
const Color3B& color,
uint8_t opacity,
std::string_view filePath,
std::string_view url,
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Widget::TextureResType texType)
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{
if (RichElement::init(tag, color, opacity))
{
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_filePath = filePath;
_width = -1;
_height = -1;
_url = url;
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_textureType = texType;
return true;
}
return false;
}
void RichElementImage::setWidth(int width)
{
_width = width;
}
void RichElementImage::setHeight(int height)
{
_height = height;
}
void RichElementImage::setUrl(std::string_view url)
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{
_url = url;
}
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RichElementCustomNode* RichElementCustomNode::create(int tag,
const Color3B& color,
uint8_t opacity,
cocos2d::Node* customNode)
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{
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RichElementCustomNode* element = new RichElementCustomNode();
if (element->init(tag, color, opacity, customNode))
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{
element->autorelease();
return element;
}
CC_SAFE_DELETE(element);
return nullptr;
}
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bool RichElementCustomNode::init(int tag, const Color3B& color, uint8_t opacity, cocos2d::Node* customNode)
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{
if (RichElement::init(tag, color, opacity))
{
_customNode = customNode;
_customNode->retain();
return true;
}
return false;
}
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RichElementNewLine* RichElementNewLine::create(int tag, const Color3B& color, uint8_t opacity)
{
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RichElementNewLine* element = new RichElementNewLine();
if (element->init(tag, color, opacity))
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{
element->autorelease();
return element;
}
CC_SAFE_DELETE(element);
return nullptr;
}
/** @brief parse a XML. */
class MyXMLVisitor : public SAXDelegator
{
public:
/** @brief underline or strikethrough */
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enum class StyleLine
{
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NONE,
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UNDERLINE, /*!< underline */
STRIKETHROUGH /*!< a typographical presentation of words with a horizontal line through their center */
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};
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/** @brief outline, shadow or glow */
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enum class StyleEffect
{
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NONE,
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OUTLINE, /*!< outline effect enabled */
SHADOW, /*!< shadow effect enabled */
GLOW /*!< glow effect enabled @discussion Limiting use to only when the Label created with true type font. */
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};
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/** @brief the attributes of text tag */
struct Attributes
{
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std::string face; /*!< font name */
std::string url; /*!< url is a attribute of a anchor tag */
float fontSize; /*!< font size */
Color3B color; /*!< font color */
bool hasColor; /*!< or color is specified? */
bool bold; /*!< bold text */
bool italics; /*!< italic text */
StyleLine line; /*!< underline or strikethrough */
StyleEffect effect; /*!< outline, shadow or glow */
Color3B outlineColor; /*!< the color of the outline */
int outlineSize; /*!< the outline effect size value */
Color3B shadowColor; /*!< the shadow effect color value */
Vec2 shadowOffset; /*!< shadow effect offset value */
int shadowBlurRadius; /*!< the shadow effect blur radius */
Color3B glowColor; /*!< the glow effect color value */
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void setColor(const Color3B& acolor)
{
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color = acolor;
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hasColor = true;
}
Attributes()
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: fontSize(-1)
, hasColor(false)
, bold(false)
, italics(false)
, line(StyleLine::NONE)
, effect(StyleEffect::NONE)
{}
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};
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private:
std::vector<Attributes> _fontElements;
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RichText* _richText;
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struct TagBehavior
{
bool isFontElement;
RichText::VisitEnterHandler handleVisitEnter;
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};
typedef hlookup::string_map<TagBehavior> TagTables;
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static TagTables _tagTables;
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public:
explicit MyXMLVisitor(RichText* richText);
virtual ~MyXMLVisitor();
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Color3B getColor() const;
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float getFontSize() const;
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std::string getFace() const;
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std::string getURL() const;
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bool getBold() const;
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bool getItalics() const;
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bool getUnderline() const;
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bool getStrikethrough() const;
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std::tuple<bool, Color3B, int> getOutline() const;
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std::tuple<bool, Color3B, Vec2, int> getShadow() const;
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std::tuple<bool, Color3B> getGlow() const;
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void startElement(void* ctx, const char* name, const char** atts) override;
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void endElement(void* ctx, const char* name) override;
void textHandler(void* ctx, const char* s, size_t len) override;
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void pushBackFontElement(const Attributes& attribs);
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void popBackFontElement();
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void pushBackElement(RichElement* element);
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static void setTagDescription(std::string_view tag,
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bool isFontElement,
RichText::VisitEnterHandler&& handleVisitEnter);
static void removeTagDescription(std::string_view tag);
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private:
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ValueMap tagAttrMapWithXMLElement(const char** attrs);
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};
MyXMLVisitor::TagTables MyXMLVisitor::_tagTables;
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MyXMLVisitor::MyXMLVisitor(RichText* richText) : _fontElements(20), _richText(richText)
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{
MyXMLVisitor::setTagDescription("font", true, [](const ValueMap& tagAttrValueMap) {
// supported attributes:
// size, color, align, face
ValueMap attrValueMap;
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if (tagAttrValueMap.find("size") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_FONT_SIZE] = tagAttrValueMap.at("size").asString();
}
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if (tagAttrValueMap.find("color") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_FONT_COLOR_STRING] = tagAttrValueMap.at("color").asString();
}
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if (tagAttrValueMap.find("face") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_FONT_FACE] = tagAttrValueMap.at("face").asString();
}
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return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("b", true, [](const ValueMap& /*tagAttrValueMap*/) {
// no supported attributes
ValueMap attrValueMap;
attrValueMap[RichText::KEY_TEXT_BOLD] = true;
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("i", true, [](const ValueMap& /*tagAttrValueMap*/) {
// no supported attributes
ValueMap attrValueMap;
attrValueMap[RichText::KEY_TEXT_ITALIC] = true;
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("del", true, [](const ValueMap& /*tagAttrValueMap*/) {
// no supported attributes
ValueMap attrValueMap;
attrValueMap[RichText::KEY_TEXT_LINE] = RichText::VALUE_TEXT_LINE_DEL;
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("u", true, [](const ValueMap& /*tagAttrValueMap*/) {
// no supported attributes
ValueMap attrValueMap;
attrValueMap[RichText::KEY_TEXT_LINE] = RichText::VALUE_TEXT_LINE_UNDER;
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("small", true, [](const ValueMap& /*tagAttrValueMap*/) {
ValueMap attrValueMap;
attrValueMap[RichText::KEY_FONT_SMALL] = true;
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("big", true, [](const ValueMap& /*tagAttrValueMap*/) {
ValueMap attrValueMap;
attrValueMap[RichText::KEY_FONT_BIG] = true;
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("img", false, [](const ValueMap& tagAttrValueMap) {
// supported attributes:
// src, height, width
std::string src;
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int height = -1;
int width = -1;
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Widget::TextureResType resType = Widget::TextureResType::LOCAL;
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if (tagAttrValueMap.find("src") != tagAttrValueMap.end())
{
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src = tagAttrValueMap.at("src").asString();
}
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if (tagAttrValueMap.find("height") != tagAttrValueMap.end())
{
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height = tagAttrValueMap.at("height").asInt();
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}
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if (tagAttrValueMap.find("width") != tagAttrValueMap.end())
{
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width = tagAttrValueMap.at("width").asInt();
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}
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if (tagAttrValueMap.find("type") != tagAttrValueMap.end())
{
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// texture type
// 0: normal file path
// 1: sprite frame name
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int type = tagAttrValueMap.at("type").asInt();
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resType = type == 0 ? Widget::TextureResType::LOCAL : Widget::TextureResType::PLIST;
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}
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RichElementImage* elementImg = nullptr;
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if (src.length())
{
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elementImg = RichElementImage::create(0, Color3B::WHITE, 255, src, "", resType);
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if (0 <= height)
elementImg->setHeight(height);
if (0 <= width)
elementImg->setWidth(width);
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}
return make_pair(ValueMap(), elementImg);
});
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MyXMLVisitor::setTagDescription("a", true, [](const ValueMap& tagAttrValueMap) {
// supported attributes:
ValueMap attrValueMap;
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if (tagAttrValueMap.find("href") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_URL] = tagAttrValueMap.at("href").asString();
}
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("br", false, [](const ValueMap& /*tagAttrValueMap*/) {
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RichElementNewLine* richElement = RichElementNewLine::create(0, Color3B::WHITE, 255);
return make_pair(ValueMap(), richElement);
});
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MyXMLVisitor::setTagDescription("outline", true, [](const ValueMap& tagAttrValueMap) {
// supported attributes:
// color, size
ValueMap attrValueMap;
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attrValueMap[RichText::KEY_TEXT_STYLE] = RichText::VALUE_TEXT_STYLE_OUTLINE;
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if (tagAttrValueMap.find("color") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_TEXT_OUTLINE_COLOR] = tagAttrValueMap.at("color").asString();
}
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if (tagAttrValueMap.find("size") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_TEXT_OUTLINE_SIZE] = tagAttrValueMap.at("size").asString();
}
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("shadow", true, [](const ValueMap& tagAttrValueMap) {
// supported attributes:
// color, offsetWidth, offsetHeight, blurRadius
ValueMap attrValueMap;
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attrValueMap[RichText::KEY_TEXT_STYLE] = RichText::VALUE_TEXT_STYLE_SHADOW;
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if (tagAttrValueMap.find("color") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_TEXT_SHADOW_COLOR] = tagAttrValueMap.at("color").asString();
}
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if (tagAttrValueMap.find("offsetWidth") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_TEXT_SHADOW_OFFSET_WIDTH] = tagAttrValueMap.at("offsetWidth").asString();
}
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if (tagAttrValueMap.find("offsetHeight") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_TEXT_SHADOW_OFFSET_HEIGHT] = tagAttrValueMap.at("offsetHeight").asString();
}
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if (tagAttrValueMap.find("blurRadius") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_TEXT_SHADOW_BLUR_RADIUS] = tagAttrValueMap.at("blurRadius").asString();
}
return make_pair(attrValueMap, nullptr);
});
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MyXMLVisitor::setTagDescription("glow", true, [](const ValueMap& tagAttrValueMap) {
// supported attributes:
// color
ValueMap attrValueMap;
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attrValueMap[RichText::KEY_TEXT_STYLE] = RichText::VALUE_TEXT_STYLE_GLOW;
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if (tagAttrValueMap.find("color") != tagAttrValueMap.end())
{
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attrValueMap[RichText::KEY_TEXT_GLOW_COLOR] = tagAttrValueMap.at("color").asString();
}
return make_pair(attrValueMap, nullptr);
});
}
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MyXMLVisitor::~MyXMLVisitor() {}
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Color3B MyXMLVisitor::getColor() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->hasColor)
return i->color;
}
return Color3B::WHITE;
}
float MyXMLVisitor::getFontSize() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->fontSize != -1)
return i->fontSize;
}
return 12;
}
std::string MyXMLVisitor::getFace() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
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if (!i->face.empty())
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return i->face;
}
return "fonts/Marker Felt.ttf";
}
std::string MyXMLVisitor::getURL() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
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if (!i->url.empty())
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return i->url;
}
return "";
}
bool MyXMLVisitor::getBold() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->bold)
return true;
}
return false;
}
bool MyXMLVisitor::getItalics() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->italics)
return true;
}
return false;
}
bool MyXMLVisitor::getUnderline() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->line == StyleLine::UNDERLINE)
return true;
}
return false;
}
bool MyXMLVisitor::getStrikethrough() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->line == StyleLine::STRIKETHROUGH)
return true;
}
return false;
}
std::tuple<bool, Color3B, int> MyXMLVisitor::getOutline() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->effect == StyleEffect::OUTLINE)
return std::make_tuple(true, i->outlineColor, i->outlineSize);
}
return std::make_tuple(false, Color3B::WHITE, -1);
}
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std::tuple<bool, Color3B, Vec2, int> MyXMLVisitor::getShadow() const
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{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->effect == StyleEffect::SHADOW)
return std::make_tuple(true, i->shadowColor, i->shadowOffset, i->shadowBlurRadius);
}
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return std::make_tuple(false, Color3B::BLACK, Vec2(2.0, -2.0), 0);
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}
std::tuple<bool, Color3B> MyXMLVisitor::getGlow() const
{
for (auto i = _fontElements.rbegin(), iRend = _fontElements.rend(); i != iRend; ++i)
{
if (i->effect == StyleEffect::GLOW)
return std::make_tuple(true, i->glowColor);
}
return std::make_tuple(false, Color3B::WHITE);
}
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void MyXMLVisitor::startElement(void* /*ctx*/, const char* elementName, const char** atts)
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{
auto it = _tagTables.find(elementName);
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if (it != _tagTables.end())
{
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auto tagBehavior = it->second;
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if (tagBehavior.handleVisitEnter != nullptr)
{
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ValueMap&& tagAttrValueMap = tagAttrMapWithXMLElement(atts);
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auto result = tagBehavior.handleVisitEnter(tagAttrValueMap);
ValueMap& attrValueMap = result.first;
RichElement* richElement = result.second;
if (!attrValueMap.empty())
{
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Attributes attributes;
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if (attrValueMap.find(RichText::KEY_FONT_SIZE) != attrValueMap.end())
{
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attributes.fontSize = attrValueMap.at(RichText::KEY_FONT_SIZE).asFloat();
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}
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if (attrValueMap.find(RichText::KEY_FONT_SMALL) != attrValueMap.end())
{
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attributes.fontSize = getFontSize() * 0.8f;
}
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if (attrValueMap.find(RichText::KEY_FONT_BIG) != attrValueMap.end())
{
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attributes.fontSize = getFontSize() * 1.25f;
}
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if (attrValueMap.find(RichText::KEY_FONT_COLOR_STRING) != attrValueMap.end())
{
attributes.setColor(
_richText->color3BWithString(attrValueMap.at(RichText::KEY_FONT_COLOR_STRING).asString()));
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}
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if (attrValueMap.find(RichText::KEY_FONT_FACE) != attrValueMap.end())
{
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attributes.face = attrValueMap.at(RichText::KEY_FONT_FACE).asString();
}
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if (attrValueMap.find(RichText::KEY_TEXT_BOLD) != attrValueMap.end())
{
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attributes.bold = true;
}
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if (attrValueMap.find(RichText::KEY_TEXT_ITALIC) != attrValueMap.end())
{
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attributes.italics = true;
}
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if (attrValueMap.find(RichText::KEY_TEXT_LINE) != attrValueMap.end())
{
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auto keyTextLine = attrValueMap.at(RichText::KEY_TEXT_LINE).asString();
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if (keyTextLine == RichText::VALUE_TEXT_LINE_DEL)
{
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attributes.line = StyleLine::STRIKETHROUGH;
}
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else if (keyTextLine == RichText::VALUE_TEXT_LINE_UNDER)
{
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attributes.line = StyleLine::UNDERLINE;
}
}
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if (attrValueMap.find(RichText::KEY_URL) != attrValueMap.end())
{
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attributes.url = attrValueMap.at(RichText::KEY_URL).asString();
attributes.setColor(_richText->getAnchorFontColor3B());
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if (_richText->isAnchorTextBoldEnabled())
{
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attributes.bold = true;
}
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if (_richText->isAnchorTextItalicEnabled())
{
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attributes.italics = true;
}
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if (_richText->isAnchorTextUnderlineEnabled())
{
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attributes.line = StyleLine::UNDERLINE;
}
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if (_richText->isAnchorTextDelEnabled())
{
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attributes.line = StyleLine::STRIKETHROUGH;
}
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if (_richText->isAnchorTextOutlineEnabled())
{
attributes.effect = StyleEffect::OUTLINE;
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attributes.outlineColor = _richText->getAnchorTextOutlineColor3B();
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attributes.outlineSize = _richText->getAnchorTextOutlineSize();
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}
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if (_richText->isAnchorTextShadowEnabled())
{
attributes.effect = StyleEffect::SHADOW;
attributes.shadowColor = _richText->getAnchorTextShadowColor3B();
attributes.shadowOffset = _richText->getAnchorTextShadowOffset();
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attributes.shadowBlurRadius = _richText->getAnchorTextShadowBlurRadius();
}
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if (_richText->isAnchorTextGlowEnabled())
{
attributes.effect = StyleEffect::GLOW;
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attributes.glowColor = _richText->getAnchorTextGlowColor3B();
}
}
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if (attrValueMap.find(RichText::KEY_TEXT_STYLE) != attrValueMap.end())
{
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auto keyTextStyle = attrValueMap.at(RichText::KEY_TEXT_STYLE).asString();
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if (keyTextStyle == RichText::VALUE_TEXT_STYLE_OUTLINE)
{
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attributes.effect = StyleEffect::OUTLINE;
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if (attrValueMap.find(RichText::KEY_TEXT_OUTLINE_COLOR) != attrValueMap.end())
{
attributes.outlineColor = _richText->color3BWithString(
attrValueMap.at(RichText::KEY_TEXT_OUTLINE_COLOR).asString());
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}
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if (attrValueMap.find(RichText::KEY_TEXT_OUTLINE_SIZE) != attrValueMap.end())
{
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attributes.outlineSize = attrValueMap.at(RichText::KEY_TEXT_OUTLINE_SIZE).asInt();
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}
}
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else if (keyTextStyle == RichText::VALUE_TEXT_STYLE_SHADOW)
{
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attributes.effect = StyleEffect::SHADOW;
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if (attrValueMap.find(RichText::KEY_TEXT_SHADOW_COLOR) != attrValueMap.end())
{
attributes.shadowColor = _richText->color3BWithString(
attrValueMap.at(RichText::KEY_TEXT_SHADOW_COLOR).asString());
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}
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if ((attrValueMap.find(RichText::KEY_TEXT_SHADOW_OFFSET_WIDTH) != attrValueMap.end()) &&
(attrValueMap.find(RichText::KEY_TEXT_SHADOW_OFFSET_HEIGHT) != attrValueMap.end()))
{
attributes.shadowOffset =
Vec2(attrValueMap.at(RichText::KEY_TEXT_SHADOW_OFFSET_WIDTH).asFloat(),
attrValueMap.at(RichText::KEY_TEXT_SHADOW_OFFSET_HEIGHT).asFloat());
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}
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if (attrValueMap.find(RichText::KEY_TEXT_SHADOW_BLUR_RADIUS) != attrValueMap.end())
{
attributes.shadowBlurRadius =
attrValueMap.at(RichText::KEY_TEXT_SHADOW_BLUR_RADIUS).asInt();
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}
}
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else if (keyTextStyle == RichText::VALUE_TEXT_STYLE_GLOW)
{
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attributes.effect = StyleEffect::GLOW;
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if (attrValueMap.find(RichText::KEY_TEXT_GLOW_COLOR) != attrValueMap.end())
{
attributes.glowColor =
_richText->color3BWithString(attrValueMap.at(RichText::KEY_TEXT_GLOW_COLOR).asString());
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}
}
}
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pushBackFontElement(attributes);
}
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if (richElement)
{
if (richElement->equalType(RichElement::Type::IMAGE))
{
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richElement->setColor(getColor());
auto* richElementImage = static_cast<RichElementImage*>(richElement);
richElementImage->setUrl(getURL());
}
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else if (richElement->equalType(RichElement::Type::NEWLINE))
{
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richElement->setColor(getColor());
}
pushBackElement(richElement);
}
}
}
}
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void MyXMLVisitor::endElement(void* /*ctx*/, const char* elementName)
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{
auto it = _tagTables.find(elementName);
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if (it != _tagTables.end())
{
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auto tagBehavior = it->second;
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if (tagBehavior.isFontElement)
{
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popBackFontElement();
}
}
}
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void MyXMLVisitor::textHandler(void* /*ctx*/, const char* str, size_t len)
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{
std::string text(str, len);
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auto color = getColor();
auto face = getFace();
auto fontSize = getFontSize();
auto italics = getItalics();
auto underline = getUnderline();
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auto strikethrough = getStrikethrough();
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auto bold = getBold();
auto url = getURL();
auto outline = getOutline();
auto shadow = getShadow();
auto glow = getGlow();
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uint32_t flags = 0;
if (italics)
flags |= RichElementText::ITALICS_FLAG;
if (bold)
flags |= RichElementText::BOLD_FLAG;
if (underline)
flags |= RichElementText::UNDERLINE_FLAG;
if (strikethrough)
flags |= RichElementText::STRIKETHROUGH_FLAG;
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if (!url.empty())
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flags |= RichElementText::URL_FLAG;
if (std::get<0>(outline))
flags |= RichElementText::OUTLINE_FLAG;
if (std::get<0>(shadow))
flags |= RichElementText::SHADOW_FLAG;
if (std::get<0>(glow))
flags |= RichElementText::GLOW_FLAG;
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auto element = RichElementText::create(0, color, 255, text, face, fontSize, flags, url, std::get<1>(outline),
std::get<2>(outline), std::get<1>(shadow), std::get<2>(shadow),
std::get<3>(shadow), std::get<1>(glow));
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_richText->pushBackElement(element);
}
void MyXMLVisitor::pushBackFontElement(const MyXMLVisitor::Attributes& attribs)
{
_fontElements.push_back(attribs);
}
void MyXMLVisitor::popBackFontElement()
{
_fontElements.pop_back();
}
void MyXMLVisitor::pushBackElement(RichElement* element)
{
_richText->pushBackElement(element);
}
void MyXMLVisitor::setTagDescription(std::string_view tag,
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bool isFontElement,
RichText::VisitEnterHandler&& handleVisitEnter)
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{
hlookup::set_item(
MyXMLVisitor::_tagTables, tag,
TagBehavior{
isFontElement,
std::move(
handleVisitEnter)}); // MyXMLVisitor::_tagTables[tag] = {isFontElement, std::move(handleVisitEnter)};
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}
void MyXMLVisitor::removeTagDescription(std::string_view tag)
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{
MyXMLVisitor::_tagTables.erase(tag);
}
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ValueMap MyXMLVisitor::tagAttrMapWithXMLElement(const char** attrs)
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{
ValueMap tagAttrValueMap;
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for (const char** attr = attrs; *attr != nullptr; attr = (attrs += 2))
{
if (attr[0] && attr[1])
{
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tagAttrValueMap[attr[0]] = attr[1];
}
}
return tagAttrValueMap;
}
const std::string RichText::KEY_VERTICAL_SPACE("KEY_VERTICAL_SPACE");
const std::string RichText::KEY_WRAP_MODE("KEY_WRAP_MODE");
const std::string RichText::KEY_HORIZONTAL_ALIGNMENT("KEY_HORIZONTAL_ALIGNMENT");
const std::string RichText::KEY_FONT_COLOR_STRING("KEY_FONT_COLOR_STRING");
const std::string RichText::KEY_FONT_SIZE("KEY_FONT_SIZE");
const std::string RichText::KEY_FONT_SMALL("KEY_FONT_SMALL");
const std::string RichText::KEY_FONT_BIG("KEY_FONT_BIG");
const std::string RichText::KEY_FONT_FACE("KEY_FONT_FACE");
const std::string RichText::KEY_TEXT_BOLD("KEY_TEXT_BOLD");
const std::string RichText::KEY_TEXT_ITALIC("KEY_TEXT_ITALIC");
const std::string RichText::KEY_TEXT_LINE("KEY_TEXT_LINE");
const std::string RichText::VALUE_TEXT_LINE_NONE("VALUE_TEXT_LINE_NONE");
const std::string RichText::VALUE_TEXT_LINE_DEL("VALUE_TEXT_LINE_DEL");
const std::string RichText::VALUE_TEXT_LINE_UNDER("VALUE_TEXT_LINE_UNDER");
const std::string RichText::KEY_TEXT_STYLE("KEY_TEXT_STYLE");
const std::string RichText::VALUE_TEXT_STYLE_NONE("VALUE_TEXT_STYLE_NONE");
const std::string RichText::VALUE_TEXT_STYLE_OUTLINE("VALUE_TEXT_STYLE_OUTLINE");
const std::string RichText::VALUE_TEXT_STYLE_SHADOW("VALUE_TEXT_STYLE_SHADOW");
const std::string RichText::VALUE_TEXT_STYLE_GLOW("VALUE_TEXT_STYLE_GLOW");
const std::string RichText::KEY_TEXT_OUTLINE_COLOR("KEY_TEXT_OUTLINE_COLOR");
const std::string RichText::KEY_TEXT_OUTLINE_SIZE("KEY_TEXT_OUTLINE_SIZE");
const std::string RichText::KEY_TEXT_SHADOW_COLOR("KEY_TEXT_SHADOW_COLOR");
const std::string RichText::KEY_TEXT_SHADOW_OFFSET_WIDTH("KEY_TEXT_SHADOW_OFFSET_WIDTH");
const std::string RichText::KEY_TEXT_SHADOW_OFFSET_HEIGHT("KEY_TEXT_SHADOW_OFFSET_HEIGHT");
const std::string RichText::KEY_TEXT_SHADOW_BLUR_RADIUS("KEY_TEXT_SHADOW_BLUR_RADIUS");
const std::string RichText::KEY_TEXT_GLOW_COLOR("KEY_TEXT_GLOW_COLOR");
const std::string RichText::KEY_URL("KEY_URL");
const std::string RichText::KEY_ANCHOR_FONT_COLOR_STRING("KEY_ANCHOR_FONT_COLOR_STRING");
const std::string RichText::KEY_ANCHOR_TEXT_BOLD("KEY_ANCHOR_TEXT_BOLD");
const std::string RichText::KEY_ANCHOR_TEXT_ITALIC("KEY_ANCHOR_TEXT_ITALIC");
const std::string RichText::KEY_ANCHOR_TEXT_LINE("KEY_ANCHOR_TEXT_LINE");
const std::string RichText::KEY_ANCHOR_TEXT_STYLE("KEY_ANCHOR_TEXT_STYLE");
const std::string RichText::KEY_ANCHOR_TEXT_OUTLINE_COLOR("KEY_ANCHOR_TEXT_OUTLINE_COLOR");
const std::string RichText::KEY_ANCHOR_TEXT_OUTLINE_SIZE("KEY_ANCHOR_TEXT_OUTLINE_SIZE");
const std::string RichText::KEY_ANCHOR_TEXT_SHADOW_COLOR("KEY_ANCHOR_TEXT_SHADOW_COLOR");
const std::string RichText::KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH("KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH");
const std::string RichText::KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT("KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT");
const std::string RichText::KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS("KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS");
const std::string RichText::KEY_ANCHOR_TEXT_GLOW_COLOR("KEY_ANCHOR_TEXT_GLOW_COLOR");
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RichText::RichText() : _formatTextDirty(true), _leftSpaceWidth(0.0f)
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{
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_defaults[KEY_VERTICAL_SPACE] = 0.0f;
_defaults[KEY_WRAP_MODE] = static_cast<int>(WrapMode::WRAP_PER_WORD);
_defaults[KEY_HORIZONTAL_ALIGNMENT] = static_cast<int>(HorizontalAlignment::LEFT);
_defaults[KEY_FONT_COLOR_STRING] = "#ffffff";
_defaults[KEY_FONT_SIZE] = 12.0f;
_defaults[KEY_FONT_FACE] = "Verdana";
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_defaults[KEY_ANCHOR_FONT_COLOR_STRING] = "#0000FF";
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_defaults[KEY_ANCHOR_TEXT_BOLD] = false;
_defaults[KEY_ANCHOR_TEXT_ITALIC] = false;
_defaults[KEY_ANCHOR_TEXT_LINE] = VALUE_TEXT_LINE_NONE;
_defaults[KEY_ANCHOR_TEXT_STYLE] = VALUE_TEXT_STYLE_NONE;
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}
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RichText::~RichText()
{
_richElements.clear();
}
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RichText* RichText::create()
{
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RichText* widget = new RichText();
if (widget->init())
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{
widget->autorelease();
return widget;
}
CC_SAFE_DELETE(widget);
return nullptr;
}
RichText* RichText::createWithXML(std::string_view xml, const ValueMap& defaults, const OpenUrlHandler& handleOpenUrl)
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{
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RichText* widget = new RichText();
if (widget->initWithXML(xml, defaults, handleOpenUrl))
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{
widget->autorelease();
return widget;
}
CC_SAFE_DELETE(widget);
return nullptr;
}
bool RichText::init()
{
if (Widget::init())
{
return true;
}
return false;
}
bool RichText::initWithXML(std::string_view origxml, const ValueMap& defaults, const OpenUrlHandler& handleOpenUrl)
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{
static std::function<std::string(RichText*)> startTagFont = [](RichText* richText) {
std::string fontFace = richText->getFontFace();
std::stringstream ss;
ss << richText->getFontSize();
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std::string fontSize = ss.str();
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std::string fontColor = richText->getFontColor();
return "<font face=\"" + fontFace + "\" size=\"" + fontSize + "\" color=\"" + fontColor + "\">";
};
if (Widget::init())
{
setDefaults(defaults);
setOpenUrlHandler(handleOpenUrl);
// solves to issues:
// - creates defaults values
// - makes sure that the xml well formed and starts with an element
std::string xml = startTagFont(this);
xml += origxml;
xml += "</font>";
MyXMLVisitor visitor(this);
SAXParser parser;
parser.setDelegator(&visitor);
return parser.parseIntrusive(&xml.front(), xml.length());
}
return false;
}
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void RichText::initRenderer() {}
void RichText::insertElement(RichElement* element, int index)
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{
_richElements.insert(index, element);
_formatTextDirty = true;
}
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void RichText::pushBackElement(RichElement* element)
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{
_richElements.pushBack(element);
_formatTextDirty = true;
}
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void RichText::removeElement(int index)
{
_richElements.erase(index);
_formatTextDirty = true;
}
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void RichText::removeElement(RichElement* element)
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{
_richElements.eraseObject(element);
_formatTextDirty = true;
}
RichText::WrapMode RichText::getWrapMode() const
{
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return static_cast<RichText::WrapMode>(_defaults.at(KEY_WRAP_MODE).asInt());
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}
void RichText::setWrapMode(RichText::WrapMode wrapMode)
{
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if (static_cast<RichText::WrapMode>(_defaults.at(KEY_WRAP_MODE).asInt()) != wrapMode)
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{
_defaults[KEY_WRAP_MODE] = static_cast<int>(wrapMode);
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_formatTextDirty = true;
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}
}
RichText::HorizontalAlignment RichText::getHorizontalAlignment() const
{
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return static_cast<RichText::HorizontalAlignment>(_defaults.at(KEY_HORIZONTAL_ALIGNMENT).asInt());
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}
void RichText::setHorizontalAlignment(cocos2d::ui::RichText::HorizontalAlignment a)
{
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if (static_cast<RichText::HorizontalAlignment>(_defaults.at(KEY_HORIZONTAL_ALIGNMENT).asInt()) != a)
{
_defaults[KEY_HORIZONTAL_ALIGNMENT] = static_cast<int>(a);
_formatTextDirty = true;
}
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}
void RichText::setFontColor(std::string_view color)
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{
_defaults[KEY_FONT_COLOR_STRING] = color;
}
std::string RichText::getFontColor()
{
return _defaults.at(KEY_FONT_COLOR_STRING).asString();
}
cocos2d::Color3B RichText::getFontColor3B()
{
return color3BWithString(getFontColor());
}
void RichText::setFontSize(float size)
{
_defaults[KEY_FONT_SIZE] = size;
}
float RichText::getFontSize()
{
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return _defaults.at(KEY_FONT_SIZE).asFloat();
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}
void RichText::setFontFace(std::string_view face)
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{
_defaults[KEY_FONT_FACE] = face;
}
std::string RichText::getFontFace()
{
return _defaults.at(KEY_FONT_FACE).asString();
}
void RichText::setAnchorFontColor(std::string_view color)
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{
_defaults[KEY_ANCHOR_FONT_COLOR_STRING] = color;
}
std::string RichText::getAnchorFontColor()
{
return _defaults.at(KEY_ANCHOR_FONT_COLOR_STRING).asString();
}
cocos2d::Color3B RichText::getAnchorFontColor3B()
{
return color3BWithString(getAnchorFontColor());
}
void RichText::setAnchorTextBold(bool enable)
{
_defaults[KEY_ANCHOR_TEXT_BOLD] = enable;
}
bool RichText::isAnchorTextBoldEnabled()
{
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return _defaults[KEY_ANCHOR_TEXT_BOLD].asBool();
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}
void RichText::setAnchorTextItalic(bool enable)
{
_defaults[KEY_ANCHOR_TEXT_ITALIC] = enable;
}
bool RichText::isAnchorTextItalicEnabled()
{
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return _defaults[KEY_ANCHOR_TEXT_ITALIC].asBool();
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}
void RichText::setAnchorTextDel(bool enable)
{
if (enable)
_defaults[KEY_ANCHOR_TEXT_LINE] = VALUE_TEXT_LINE_DEL;
else if (_defaults[KEY_ANCHOR_TEXT_LINE].asString() == VALUE_TEXT_LINE_DEL)
_defaults[KEY_ANCHOR_TEXT_LINE] = VALUE_TEXT_LINE_NONE;
}
bool RichText::isAnchorTextDelEnabled()
{
return (_defaults[KEY_ANCHOR_TEXT_LINE].asString() == VALUE_TEXT_LINE_DEL);
}
void RichText::setAnchorTextUnderline(bool enable)
{
if (enable)
_defaults[KEY_ANCHOR_TEXT_LINE] = VALUE_TEXT_LINE_UNDER;
else if (_defaults[KEY_ANCHOR_TEXT_LINE].asString() == VALUE_TEXT_LINE_UNDER)
_defaults[KEY_ANCHOR_TEXT_LINE] = VALUE_TEXT_LINE_NONE;
}
bool RichText::isAnchorTextUnderlineEnabled()
{
return (_defaults[KEY_ANCHOR_TEXT_LINE].asString() == VALUE_TEXT_LINE_UNDER);
}
void RichText::setAnchorTextOutline(bool enable, const Color3B& outlineColor, int outlineSize)
{
if (enable)
_defaults[KEY_ANCHOR_TEXT_STYLE] = VALUE_TEXT_STYLE_OUTLINE;
else if (_defaults[KEY_ANCHOR_TEXT_STYLE].asString() == VALUE_TEXT_STYLE_OUTLINE)
_defaults[KEY_ANCHOR_TEXT_STYLE] = VALUE_TEXT_STYLE_NONE;
_defaults[KEY_ANCHOR_TEXT_OUTLINE_COLOR] = stringWithColor3B(outlineColor);
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_defaults[KEY_ANCHOR_TEXT_OUTLINE_SIZE] = outlineSize;
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}
bool RichText::isAnchorTextOutlineEnabled()
{
return (_defaults[KEY_ANCHOR_TEXT_STYLE].asString() == VALUE_TEXT_STYLE_OUTLINE);
}
Color3B RichText::getAnchorTextOutlineColor3B()
{
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if (_defaults.find(KEY_ANCHOR_TEXT_OUTLINE_COLOR) != _defaults.end())
{
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return color3BWithString(_defaults.at(KEY_ANCHOR_TEXT_OUTLINE_COLOR).asString());
}
return Color3B();
}
int RichText::getAnchorTextOutlineSize()
{
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if (_defaults.find(KEY_ANCHOR_TEXT_OUTLINE_SIZE) != _defaults.end())
{
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return _defaults.at(KEY_ANCHOR_TEXT_OUTLINE_SIZE).asInt();
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}
return -1;
}
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void RichText::setAnchorTextShadow(bool enable, const Color3B& shadowColor, const Vec2& offset, int blurRadius)
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{
if (enable)
_defaults[KEY_ANCHOR_TEXT_STYLE] = VALUE_TEXT_STYLE_SHADOW;
else if (_defaults[KEY_ANCHOR_TEXT_STYLE].asString() == VALUE_TEXT_STYLE_SHADOW)
_defaults[KEY_ANCHOR_TEXT_STYLE] = VALUE_TEXT_STYLE_NONE;
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_defaults[KEY_ANCHOR_TEXT_SHADOW_COLOR] = stringWithColor3B(shadowColor);
_defaults[KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH] = offset.width;
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_defaults[KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT] = offset.height;
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_defaults[KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS] = blurRadius;
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}
bool RichText::isAnchorTextShadowEnabled()
{
return (_defaults[KEY_ANCHOR_TEXT_STYLE].asString() == VALUE_TEXT_STYLE_SHADOW);
}
Color3B RichText::getAnchorTextShadowColor3B()
{
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if (_defaults.find(KEY_ANCHOR_TEXT_SHADOW_COLOR) != _defaults.end())
{
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return color3BWithString(_defaults.at(KEY_ANCHOR_TEXT_SHADOW_COLOR).asString());
}
return Color3B();
}
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Vec2 RichText::getAnchorTextShadowOffset()
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{
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float width = 2.0f;
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float height = -2.0f;
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if (_defaults.find(KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH) != _defaults.end())
{
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width = _defaults.at(KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH).asFloat();
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}
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if (_defaults.find(KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT) != _defaults.end())
{
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height = _defaults.at(KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT).asFloat();
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}
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return Vec2(width, height);
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}
int RichText::getAnchorTextShadowBlurRadius()
{
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if (_defaults.find(KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS) != _defaults.end())
{
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return _defaults.at(KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS).asInt();
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}
return 0;
}
void RichText::setAnchorTextGlow(bool enable, const Color3B& glowColor)
{
if (enable)
_defaults[KEY_ANCHOR_TEXT_STYLE] = VALUE_TEXT_STYLE_GLOW;
else if (_defaults[KEY_ANCHOR_TEXT_STYLE].asString() == VALUE_TEXT_STYLE_GLOW)
_defaults[KEY_ANCHOR_TEXT_STYLE] = VALUE_TEXT_STYLE_NONE;
_defaults[KEY_ANCHOR_TEXT_GLOW_COLOR] = stringWithColor3B(glowColor);
}
bool RichText::isAnchorTextGlowEnabled()
{
return (_defaults[KEY_ANCHOR_TEXT_STYLE].asString() == VALUE_TEXT_STYLE_GLOW);
}
Color3B RichText::getAnchorTextGlowColor3B()
{
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if (_defaults.find(KEY_ANCHOR_TEXT_GLOW_COLOR) != _defaults.end())
{
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return color3BWithString(_defaults.at(KEY_ANCHOR_TEXT_GLOW_COLOR).asString());
}
return Color3B();
}
void RichText::setDefaults(const ValueMap& defaults)
{
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if (defaults.find(KEY_VERTICAL_SPACE) != defaults.end())
{
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_defaults[KEY_VERTICAL_SPACE] = defaults.at(KEY_VERTICAL_SPACE).asFloat();
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}
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if (defaults.find(KEY_WRAP_MODE) != defaults.end())
{
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_defaults[KEY_WRAP_MODE] = defaults.at(KEY_WRAP_MODE).asInt();
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}
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if (defaults.find(KEY_HORIZONTAL_ALIGNMENT) != defaults.end())
{
_defaults[KEY_HORIZONTAL_ALIGNMENT] = defaults.at(KEY_HORIZONTAL_ALIGNMENT).asInt();
}
if (defaults.find(KEY_FONT_COLOR_STRING) != defaults.end())
{
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_defaults[KEY_FONT_COLOR_STRING] = defaults.at(KEY_FONT_COLOR_STRING).asString();
}
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if (defaults.find(KEY_FONT_SIZE) != defaults.end())
{
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_defaults[KEY_FONT_SIZE] = defaults.at(KEY_FONT_SIZE).asFloat();
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}
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if (defaults.find(KEY_FONT_FACE) != defaults.end())
{
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_defaults[KEY_FONT_FACE] = defaults.at(KEY_FONT_FACE).asString();
}
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if (defaults.find(KEY_ANCHOR_FONT_COLOR_STRING) != defaults.end())
{
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_defaults[KEY_ANCHOR_FONT_COLOR_STRING] = defaults.at(KEY_ANCHOR_FONT_COLOR_STRING).asString();
}
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if (defaults.find(KEY_ANCHOR_TEXT_BOLD) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_BOLD] = defaults.at(KEY_ANCHOR_TEXT_BOLD).asBool();
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}
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if (defaults.find(KEY_ANCHOR_TEXT_ITALIC) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_ITALIC] = defaults.at(KEY_ANCHOR_TEXT_ITALIC).asBool();
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}
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if (defaults.find(KEY_ANCHOR_TEXT_LINE) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_LINE] = defaults.at(KEY_ANCHOR_TEXT_LINE).asString();
}
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if (defaults.find(KEY_ANCHOR_TEXT_STYLE) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_STYLE] = defaults.at(KEY_ANCHOR_TEXT_STYLE).asString();
}
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if (defaults.find(KEY_ANCHOR_TEXT_OUTLINE_COLOR) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_OUTLINE_COLOR] = defaults.at(KEY_ANCHOR_TEXT_OUTLINE_COLOR).asString();
}
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if (defaults.find(KEY_ANCHOR_TEXT_OUTLINE_SIZE) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_OUTLINE_SIZE] = defaults.at(KEY_ANCHOR_TEXT_OUTLINE_SIZE).asInt();
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}
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if (defaults.find(KEY_ANCHOR_TEXT_SHADOW_COLOR) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_SHADOW_COLOR] = defaults.at(KEY_ANCHOR_TEXT_SHADOW_COLOR).asString();
}
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if (defaults.find(KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH] = defaults.at(KEY_ANCHOR_TEXT_SHADOW_OFFSET_WIDTH).asFloat();
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}
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if (defaults.find(KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT] = defaults.at(KEY_ANCHOR_TEXT_SHADOW_OFFSET_HEIGHT).asFloat();
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}
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if (defaults.find(KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS] = defaults.at(KEY_ANCHOR_TEXT_SHADOW_BLUR_RADIUS).asInt();
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}
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if (defaults.find(KEY_ANCHOR_TEXT_GLOW_COLOR) != defaults.end())
{
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_defaults[KEY_ANCHOR_TEXT_GLOW_COLOR] = defaults.at(KEY_ANCHOR_TEXT_GLOW_COLOR).asString();
}
}
ValueMap RichText::getDefaults() const
{
ValueMap defaults;
return defaults;
}
cocos2d::Color3B RichText::color3BWithString(std::string_view color)
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{
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if (color.length() == 4)
{
unsigned int r, g, b;
sscanf(color.data(), "%*c%1x%1x%1x", &r, &g, &b);
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r += r * 16;
g += g * 16;
b += b * 16;
return Color3B(r, g, b);
}
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else if (color.length() == 7)
{
unsigned int r, g, b;
sscanf(color.data(), "%*c%2x%2x%2x", &r, &g, &b);
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return Color3B(r, g, b);
}
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else if (color.length() == 9)
{
unsigned int r, g, b, a;
sscanf(color.data(), "%*c%2x%2x%2x%2x", &r, &g, &b, &a);
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return Color3B(r, g, b);
}
return Color3B::WHITE;
}
std::string RichText::stringWithColor3B(const cocos2d::Color3B& color3b)
{
int r = color3b.r;
int g = color3b.g;
int b = color3b.b;
char buf[8];
snprintf(buf, sizeof(buf), "#%02x%02x%02x", r, g, b);
return std::string(buf, 7);
}
std::string RichText::stringWithColor4B(const cocos2d::Color4B& color4b)
{
int r = color4b.r;
int g = color4b.g;
int b = color4b.b;
int a = color4b.a;
char buf[10];
snprintf(buf, sizeof(buf), "#%02x%02x%02x%02x", r, g, b, a);
return std::string(buf, 9);
}
void RichText::setTagDescription(std::string_view tag, bool isFontElement, VisitEnterHandler handleVisitEnter)
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{
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MyXMLVisitor::setTagDescription(tag, isFontElement, std::move(handleVisitEnter));
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}
void RichText::removeTagDescription(std::string_view tag)
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{
MyXMLVisitor::removeTagDescription(tag);
}
void RichText::openUrl(std::string_view url)
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{
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if (_handleOpenUrl)
{
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_handleOpenUrl(url);
}
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else
{
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Application::getInstance()->openURL(url);
}
}
void RichText::setOpenUrlHandler(const OpenUrlHandler& handleOpenUrl)
{
_handleOpenUrl = handleOpenUrl;
}
void RichText::formatText(bool force)
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{
_formatTextDirty |= force;
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if (_formatTextDirty)
{
this->removeAllProtectedChildren();
_elementRenders.clear();
_lineHeights.clear();
if (_ignoreSize)
{
addNewLine();
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for (ssize_t i = 0, size = _richElements.size(); i < size; ++i)
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{
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RichElement* element = _richElements.at(i);
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Node* elementRenderer = nullptr;
switch (element->_type)
{
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case RichElement::Type::TEXT:
{
RichElementText* elmtText = static_cast<RichElementText*>(element);
Label* label;
if (FileUtils::getInstance()->isFileExist(elmtText->_fontName))
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{
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label = Label::createWithTTF(elmtText->_text, elmtText->_fontName, elmtText->_fontSize);
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}
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else
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{
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label = Label::createWithSystemFont(elmtText->_text, elmtText->_fontName, elmtText->_fontSize);
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}
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if (elmtText->_flags & RichElementText::ITALICS_FLAG)
label->enableItalics();
if (elmtText->_flags & RichElementText::BOLD_FLAG)
label->enableBold();
if (elmtText->_flags & RichElementText::UNDERLINE_FLAG)
label->enableUnderline();
if (elmtText->_flags & RichElementText::STRIKETHROUGH_FLAG)
label->enableStrikethrough();
if (elmtText->_flags & RichElementText::URL_FLAG)
label->addComponent(ListenerComponent::create(
label, elmtText->_url, std::bind(&RichText::openUrl, this, std::placeholders::_1)));
if (elmtText->_flags & RichElementText::OUTLINE_FLAG)
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{
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label->enableOutline(Color4B(elmtText->_outlineColor), elmtText->_outlineSize);
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}
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if (elmtText->_flags & RichElementText::SHADOW_FLAG)
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{
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label->enableShadow(Color4B(elmtText->_shadowColor), elmtText->_shadowOffset,
elmtText->_shadowBlurRadius);
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}
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if (elmtText->_flags & RichElementText::GLOW_FLAG)
{
label->enableGlow(Color4B(elmtText->_glowColor));
}
label->setTextColor(Color4B(elmtText->_color));
elementRenderer = label;
break;
}
case RichElement::Type::IMAGE:
{
RichElementImage* elmtImage = static_cast<RichElementImage*>(element);
if (elmtImage->_textureType == Widget::TextureResType::LOCAL)
elementRenderer = Sprite::create(elmtImage->_filePath);
else
elementRenderer = Sprite::createWithSpriteFrameName(elmtImage->_filePath);
if (elementRenderer && (elmtImage->_height != -1 || elmtImage->_width != -1))
{
auto currentSize = elementRenderer->getContentSize();
if (elmtImage->_width != -1)
elementRenderer->setScaleX(elmtImage->_width / currentSize.width);
if (elmtImage->_height != -1)
elementRenderer->setScaleY(elmtImage->_height / currentSize.height);
elementRenderer->setContentSize(Vec2(currentSize.width * elementRenderer->getScaleX(),
currentSize.height * elementRenderer->getScaleY()));
elementRenderer->addComponent(
ListenerComponent::create(elementRenderer, elmtImage->_url,
std::bind(&RichText::openUrl, this, std::placeholders::_1)));
elementRenderer->setColor(element->_color);
}
break;
}
case RichElement::Type::CUSTOM:
{
RichElementCustomNode* elmtCustom = static_cast<RichElementCustomNode*>(element);
elementRenderer = elmtCustom->_customNode;
elementRenderer->setColor(element->_color);
break;
}
case RichElement::Type::NEWLINE:
{
addNewLine();
break;
}
default:
break;
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}
if (elementRenderer)
{
elementRenderer->setOpacity(element->_opacity);
pushToContainer(elementRenderer);
}
}
}
else
{
addNewLine();
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for (ssize_t i = 0, size = _richElements.size(); i < size; ++i)
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{
RichElement* element = static_cast<RichElement*>(_richElements.at(i));
switch (element->_type)
{
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case RichElement::Type::TEXT:
{
RichElementText* elmtText = static_cast<RichElementText*>(element);
handleTextRenderer(elmtText->_text, elmtText->_fontName, elmtText->_fontSize, elmtText->_color,
elmtText->_opacity, elmtText->_flags, elmtText->_url, elmtText->_outlineColor,
elmtText->_outlineSize, elmtText->_shadowColor, elmtText->_shadowOffset,
elmtText->_shadowBlurRadius, elmtText->_glowColor);
break;
}
case RichElement::Type::IMAGE:
{
RichElementImage* elmtImage = static_cast<RichElementImage*>(element);
handleImageRenderer(elmtImage->_filePath, elmtImage->_textureType, elmtImage->_color,
elmtImage->_opacity, elmtImage->_width, elmtImage->_height, elmtImage->_url);
break;
}
case RichElement::Type::CUSTOM:
{
RichElementCustomNode* elmtCustom = static_cast<RichElementCustomNode*>(element);
handleCustomRenderer(elmtCustom->_customNode);
break;
}
case RichElement::Type::NEWLINE:
{
addNewLine();
break;
}
default:
break;
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}
}
}
formatRenderers();
_formatTextDirty = false;
}
}
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namespace
{
inline bool isUTF8CharWrappable(const StringUtils::StringUTF8::CharUTF8& ch)
{
return (!ch.isASCII() || !std::isalnum(ch._char[0], std::locale()));
}
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int getPrevWordPos(const StringUtils::StringUTF8& text, int idx)
{
if (idx <= 0)
return -1;
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// start from idx-1
const StringUtils::StringUTF8::CharUTF8Store& str = text.getString();
auto it = std::find_if(str.rbegin() + (str.size() - idx + 1), str.rend(), isUTF8CharWrappable);
if (it == str.rend())
return -1;
return static_cast<int>(it.base() - str.begin());
}
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int getNextWordPos(const StringUtils::StringUTF8& text, int idx)
{
const StringUtils::StringUTF8::CharUTF8Store& str = text.getString();
if (idx + 1 >= static_cast<int>(str.size()))
return static_cast<int>(str.size());
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auto it = std::find_if(str.begin() + idx + 1, str.end(), isUTF8CharWrappable);
return static_cast<int>(it - str.begin());
}
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bool isWrappable(const StringUtils::StringUTF8& text)
{
const StringUtils::StringUTF8::CharUTF8Store& str = text.getString();
return std::any_of(str.begin(), str.end(), isUTF8CharWrappable);
}
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int findSplitPositionForWord(Label* label,
const StringUtils::StringUTF8& text,
int estimatedIdx,
float originalLeftSpaceWidth,
float newLineWidth)
{
bool startingNewLine = (newLineWidth == originalLeftSpaceWidth);
if (!isWrappable(text))
return (startingNewLine ? static_cast<int>(text.length()) : 0);
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// The adjustment of the new line position
int idx = getNextWordPos(text, estimatedIdx);
std::string leftStr = text.getAsCharSequence(0, idx);
label->setString(leftStr);
float textRendererWidth = label->getContentSize().width;
if (originalLeftSpaceWidth < textRendererWidth) // Have protruding
{
while (1)
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{
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// try to erase a word
int newidx = getPrevWordPos(text, idx);
if (newidx >= 0)
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{
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leftStr = text.getAsCharSequence(0, newidx);
label->setString(leftStr);
textRendererWidth = label->getContentSize().width;
if (textRendererWidth <= originalLeftSpaceWidth) // is fitted
return newidx;
idx = newidx;
continue;
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}
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// newidx < 0 means no prev word
return (startingNewLine ? idx : 0);
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}
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}
else if (textRendererWidth < originalLeftSpaceWidth) // A wide margin
{
while (1)
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{
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// try to append a word
int newidx = getNextWordPos(text, idx);
leftStr = text.getAsCharSequence(0, newidx);
label->setString(leftStr);
textRendererWidth = label->getContentSize().width;
if (textRendererWidth < originalLeftSpaceWidth)
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{
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// the whole string is tested
if (newidx == static_cast<int>(text.length()))
return newidx;
idx = newidx;
continue;
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}
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// protruded ? undo add, or quite fit
return (textRendererWidth > originalLeftSpaceWidth ? idx : newidx);
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}
}
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return idx;
}
int findSplitPositionForChar(Label* label,
const StringUtils::StringUTF8& text,
int estimatedIdx,
float originalLeftSpaceWidth,
float newLineWidth)
{
bool startingNewLine = (newLineWidth == originalLeftSpaceWidth);
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int stringLength = static_cast<int>(text.length());
int leftLength = estimatedIdx;
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// The adjustment of the new line position
std::string leftStr = text.getAsCharSequence(0, leftLength);
label->setString(leftStr);
float textRendererWidth = label->getContentSize().width;
if (originalLeftSpaceWidth < textRendererWidth) // Have protruding
{
while (leftLength-- > 0)
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{
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// try to erase a char
auto& ch = text.getString().at(leftLength);
leftStr.erase(leftStr.end() - ch._char.length(), leftStr.end());
label->setString(leftStr);
textRendererWidth = label->getContentSize().width;
if (textRendererWidth <= originalLeftSpaceWidth) // is fitted
break;
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}
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}
else if (textRendererWidth < originalLeftSpaceWidth) // A wide margin
{
while (leftLength < stringLength)
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{
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// try to append a char
auto& ch = text.getString().at(leftLength);
++leftLength;
leftStr.append(ch._char);
label->setString(leftStr);
textRendererWidth = label->getContentSize().width;
if (originalLeftSpaceWidth < textRendererWidth) // protruded, undo add
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{
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--leftLength;
break;
}
else if (originalLeftSpaceWidth == textRendererWidth) // quite fit
{
break;
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}
}
}
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if (leftLength <= 0)
return (startingNewLine) ? 1 : 0;
return leftLength;
}
} // namespace
void RichText::handleTextRenderer(std::string_view text,
std::string_view fontName,
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float fontSize,
const Color3B& color,
uint8_t opacity,
uint32_t flags,
std::string_view url,
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const Color3B& outlineColor,
int outlineSize,
const Color3B& shadowColor,
const Vec2& shadowOffset,
int shadowBlurRadius,
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const Color3B& glowColor)
{
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bool fileExist = FileUtils::getInstance()->isFileExist(fontName);
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RichText::WrapMode wrapMode = static_cast<RichText::WrapMode>(_defaults.at(KEY_WRAP_MODE).asInt());
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// split text by \n
std::stringstream ss;
ss << text;
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std::string currentText;
size_t realLines = 0;
while (std::getline(ss, currentText, '\n'))
{
if (realLines > 0)
{
addNewLine();
_lineHeights.back() = fontSize;
}
++realLines;
size_t splitParts = 0;
StringUtils::StringUTF8 utf8Text(currentText);
while (!currentText.empty())
{
if (splitParts > 0)
{
addNewLine();
_lineHeights.back() = fontSize;
}
++splitParts;
Label* textRenderer = fileExist ? Label::createWithTTF(currentText, fontName, fontSize)
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: Label::createWithSystemFont(currentText, fontName, fontSize);
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if (flags & RichElementText::ITALICS_FLAG)
textRenderer->enableItalics();
if (flags & RichElementText::BOLD_FLAG)
textRenderer->enableBold();
if (flags & RichElementText::UNDERLINE_FLAG)
textRenderer->enableUnderline();
if (flags & RichElementText::STRIKETHROUGH_FLAG)
textRenderer->enableStrikethrough();
if (flags & RichElementText::URL_FLAG)
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textRenderer->addComponent(ListenerComponent::create(
textRenderer, url, std::bind(&RichText::openUrl, this, std::placeholders::_1)));
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if (flags & RichElementText::OUTLINE_FLAG)
textRenderer->enableOutline(Color4B(outlineColor), outlineSize);
if (flags & RichElementText::SHADOW_FLAG)
textRenderer->enableShadow(Color4B(shadowColor), shadowOffset, shadowBlurRadius);
if (flags & RichElementText::GLOW_FLAG)
textRenderer->enableGlow(Color4B(glowColor));
textRenderer->setTextColor(Color4B(color));
textRenderer->setOpacity(opacity);
// textRendererWidth will get 0.0f, when we've got glError: 0x0501 in Label::getContentSize
// It happens when currentText is very very long so that can't generate a texture
float textRendererWidth = textRenderer->getContentSize().width;
// no splitting
if (textRendererWidth > 0.0f && _leftSpaceWidth >= textRendererWidth)
{
_leftSpaceWidth -= textRendererWidth;
pushToContainer(textRenderer);
break;
}
// rough estimate
// when textRendererWidth == 0.0f, use fontSize as the rough estimate of width for each char,
// (_leftSpaceWidth / fontSize) means how many chars can be aligned in leftSpaceWidth.
int estimatedIdx = 0;
if (textRendererWidth > 0.0f)
estimatedIdx = static_cast<int>(_leftSpaceWidth / textRendererWidth * utf8Text.length());
else
estimatedIdx = static_cast<int>(_leftSpaceWidth / fontSize);
int leftLength = 0;
if (wrapMode == WRAP_PER_WORD)
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leftLength =
findSplitPositionForWord(textRenderer, utf8Text, estimatedIdx, _leftSpaceWidth, _customSize.width);
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else
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leftLength =
findSplitPositionForChar(textRenderer, utf8Text, estimatedIdx, _leftSpaceWidth, _customSize.width);
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// split string
if (leftLength > 0)
{
textRenderer->setString(utf8Text.getAsCharSequence(0, leftLength));
pushToContainer(textRenderer);
}
StringUtils::StringUTF8::CharUTF8Store& str = utf8Text.getString();
// erase the chars which are processed
str.erase(str.begin(), str.begin() + leftLength);
currentText = utf8Text.getAsCharSequence();
}
}
}
void RichText::handleImageRenderer(std::string_view filePath,
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Widget::TextureResType textureType,
const Color3B& /*color*/,
uint8_t /*opacity*/,
int width,
int height,
std::string_view url)
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{
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Sprite* imageRenderer;
if (textureType == Widget::TextureResType::LOCAL)
imageRenderer = Sprite::create(filePath);
else
imageRenderer = Sprite::createWithSpriteFrameName(filePath);
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if (imageRenderer)
{
auto currentSize = imageRenderer->getContentSize();
if (width != -1)
imageRenderer->setScaleX(width / currentSize.width);
if (height != -1)
imageRenderer->setScaleY(height / currentSize.height);
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imageRenderer->setContentSize(
Vec2(currentSize.width * imageRenderer->getScaleX(), currentSize.height * imageRenderer->getScaleY()));
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imageRenderer->setScale(1.f, 1.f);
handleCustomRenderer(imageRenderer);
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imageRenderer->addComponent(
ListenerComponent::create(imageRenderer, url, std::bind(&RichText::openUrl, this, std::placeholders::_1)));
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}
}
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void RichText::handleCustomRenderer(cocos2d::Node* renderer)
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{
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Vec2 imgSize = renderer->getContentSize();
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_leftSpaceWidth -= imgSize.width;
if (_leftSpaceWidth < 0.0f)
{
addNewLine();
pushToContainer(renderer);
_leftSpaceWidth -= imgSize.width;
}
else
{
pushToContainer(renderer);
}
}
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void RichText::addNewLine()
{
_leftSpaceWidth = _customSize.width;
_elementRenders.emplace_back();
_lineHeights.emplace_back();
}
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void RichText::formatRenderers()
{
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float verticalSpace = _defaults[KEY_VERTICAL_SPACE].asFloat();
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float fontSize = _defaults[KEY_FONT_SIZE].asFloat();
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if (_ignoreSize)
{
float newContentSizeWidth = 0.0f;
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float nextPosY = 0.0f;
std::vector<std::pair<Vector<Node*>*, float>> rowWidthPairs;
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rowWidthPairs.reserve(_elementRenders.size());
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for (auto& element : _elementRenders)
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{
float nextPosX = 0.0f;
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float maxY = 0.0f;
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for (auto& iter : element)
{
iter->setAnchorPoint(Vec2::ZERO);
iter->setPosition(nextPosX, nextPosY);
this->addProtectedChild(iter, 1);
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Vec2 iSize = iter->getContentSize();
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newContentSizeWidth += iSize.width;
nextPosX += iSize.width;
maxY = std::max(maxY, iSize.height);
}
nextPosY -= maxY;
rowWidthPairs.emplace_back(&element, nextPosX);
}
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this->setContentSize(Vec2(newContentSizeWidth, -nextPosY));
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for (auto& row : rowWidthPairs)
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doHorizontalAlignment(*row.first, row.second);
}
else
{
// calculate real height
float newContentSizeHeight = 0.0f;
std::vector<float> maxHeights(_elementRenders.size());
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for (size_t i = 0, size = _elementRenders.size(); i < size; i++)
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{
Vector<Node*>& row = _elementRenders[i];
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float maxHeight = 0.0f;
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for (auto& iter : row)
{
maxHeight = std::max(iter->getContentSize().height, maxHeight);
}
// gap for empty line, if _lineHeights[i] == 0, use current RichText's fontSize
if (row.empty())
{
maxHeight = (_lineHeights[i] != 0.0f ? _lineHeights[i] : fontSize);
}
maxHeights[i] = maxHeight;
// vertical space except for first line
newContentSizeHeight += (i != 0 ? maxHeight + verticalSpace : maxHeight);
}
_customSize.height = newContentSizeHeight;
// align renders
float nextPosY = _customSize.height;
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for (size_t i = 0, size = _elementRenders.size(); i < size; i++)
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{
Vector<Node*>& row = _elementRenders[i];
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float nextPosX = 0.0f;
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nextPosY -= (i != 0 ? maxHeights[i] + verticalSpace : maxHeights[i]);
for (auto& iter : row)
{
iter->setAnchorPoint(Vec2::ZERO);
iter->setPosition(nextPosX, nextPosY);
this->addProtectedChild(iter, 1);
nextPosX += iter->getContentSize().width;
}
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doHorizontalAlignment(row, nextPosX);
}
}
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_elementRenders.clear();
_lineHeights.clear();
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if (_ignoreSize)
{
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Vec2 s = getVirtualRendererSize();
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this->setContentSize(s);
}
else
{
this->setContentSize(_customSize);
}
updateContentSizeWithTextureSize(_contentSize);
}
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namespace
{
float getPaddingAmount(const RichText::HorizontalAlignment alignment, const float leftOver)
{
switch (alignment)
{
case RichText::HorizontalAlignment::CENTER:
return leftOver / 2.f;
case RichText::HorizontalAlignment::RIGHT:
return leftOver;
default:
CCASSERT(false, "invalid horizontal alignment!");
return 0.f;
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}
}
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} // namespace
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void RichText::doHorizontalAlignment(const Vector<cocos2d::Node*>& row, float rowWidth)
{
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const auto alignment = static_cast<HorizontalAlignment>(_defaults.at(KEY_HORIZONTAL_ALIGNMENT).asInt());
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if (alignment != HorizontalAlignment::LEFT)
{
const auto diff = stripTrailingWhitespace(row);
const auto leftOver = getContentSize().width - (rowWidth + diff);
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const float leftPadding = getPaddingAmount(alignment, leftOver);
const Vec2 offset(leftPadding, 0.f);
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for (auto& node : row)
{
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node->setPosition(node->getPosition() + offset);
}
}
}
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namespace
{
bool isWhitespace(char c)
{
return std::isspace(c, std::locale());
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}
void rtrim(std::string& s)
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{
s.erase(std::find_if_not(s.rbegin(), s.rend(), isWhitespace).base(), s.end());
}
} // namespace
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float RichText::stripTrailingWhitespace(const Vector<cocos2d::Node*>& row)
{
if (!row.empty())
{
if (auto label = dynamic_cast<Label*>(row.back()))
{
const auto width = label->getContentSize().width;
std::string trimmedString{label->getString()};
rtrim(trimmedString);
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if (label->getString() != trimmedString)
{
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label->setString(trimmedString);
return label->getContentSize().width - width;
}
}
}
return 0.0f;
}
void RichText::adaptRenderers()
{
this->formatText();
}
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void RichText::pushToContainer(cocos2d::Node* renderer)
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{
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if (_elementRenders.empty())
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{
return;
}
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_elementRenders[_elementRenders.size() - 1].pushBack(renderer);
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}
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void RichText::setVerticalSpace(float space)
{
_defaults[KEY_VERTICAL_SPACE] = space;
}
void RichText::ignoreContentAdaptWithSize(bool ignore)
{
if (_ignoreSize != ignore)
{
_formatTextDirty = true;
Widget::ignoreContentAdaptWithSize(ignore);
}
}
std::string RichText::getDescription() const
{
return "RichText";
}