axmol/extensions/fairygui/display/FUILabel.cpp

190 lines
5.2 KiB
C++

#include "FUILabel.h"
#include "BitmapFont.h"
#include "UIConfig.h"
#include "UIPackage.h"
NS_FGUI_BEGIN
USING_NS_AX;
static Color3B toGrayed(const Color3B& source)
{
Color3B c = source;
c.r = c.g = c.b = c.r * 0.299f + c.g * 0.587f + c.b * 0.114f;
return c;
}
FUILabel::FUILabel() : _fontSize(-1),
_bmFontCanTint(false),
_textFormat(new TextFormat()),
_grayed(false)
{
}
FUILabel::~FUILabel()
{
delete _textFormat;
}
void FUILabel::setText(std::string_view value)
{
if (_fontSize < 0)
applyTextFormat();
setString(value);
}
void FUILabel::applyTextFormat()
{
if (_fontSize < 0 /**first time**/ || _fontName != _textFormat->face)
{
_fontName = _textFormat->face;
Label::LabelType oldType = _currentLabelType;
if (_fontName.find("ui://") != -1)
{
setBMFontFilePath(_fontName);
}
else
{
bool ttf = false;
const std::string& fontName = UIConfig::getRealFontName(_fontName, &ttf);
if (ttf)
{
_fontConfig.fontFilePath = fontName;
_fontConfig.fontSize = _textFormat->fontSize;
setTTFConfig(_fontConfig);
}
else
{
setSystemFontName(fontName);
}
if (oldType == LabelType::BMFONT)
setTextColor((Color4B)_textFormat->color);
}
}
if (_fontSize != _textFormat->fontSize)
{
_fontSize = _textFormat->fontSize;
if (_currentLabelType == LabelType::STRING_TEXTURE)
{
setSystemFontSize(_fontSize);
}
else if (_currentLabelType == LabelType::BMFONT)
{
setBMFontSize(_fontSize);
}
else
{
_fontConfig.fontSize = _fontSize;
setTTFConfig(_fontConfig);
}
}
if (_currentLabelType != LabelType::BMFONT || _bmFontCanTint)
{
//setTextColor((Color4B)(_grayed ? toGrayed(_textFormat->color) : _textFormat->color));
setColor(_grayed ? toGrayed(_textFormat->color) : _textFormat->color);
}
if (_textFormat->underline)
enableUnderline();
else
disableEffect(LabelEffect::UNDERLINE);
if (_textFormat->italics)
enableItalics();
//else //Cant call this, cocos will do setRotationSkew(0)!
// disableEffect(LabelEffect::ITALICS);
if (_textFormat->bold && _currentLabelType != LabelType::STRING_TEXTURE)
enableBold();
else
disableEffect(LabelEffect::BOLD);
setLineSpacing(_textFormat->lineSpacing);
setHorizontalAlignment(_textFormat->align);
setVerticalAlignment(_textFormat->verticalAlign);
if (_textFormat->hasEffect(TextFormat::OUTLINE))
enableOutline((Color4B)(_grayed ? toGrayed(_textFormat->outlineColor) : _textFormat->outlineColor), _textFormat->outlineSize);
else
disableEffect(LabelEffect::OUTLINE);
if (_textFormat->hasEffect(TextFormat::SHADOW))
enableShadow((Color4B)(_grayed ? toGrayed(_textFormat->shadowColor) : _textFormat->shadowColor), _textFormat->shadowOffset);
else if (!_textFormat->bold)
disableEffect(LabelEffect::SHADOW);
}
bool FUILabel::setBMFontFilePath(std::string_view bmfontFilePath, const Vec2& imageOffset, float fontSize)
{
BitmapFont* bmFont = (BitmapFont*)UIPackage::getItemAssetByURL(bmfontFilePath, PackageItemType::FONT);
if (bmFont == nullptr)
{
reset();
return false;
}
//assign the default fontSize
if (std::abs(fontSize) < FLT_EPSILON)
{
float originalFontSize = bmFont->getOriginalFontSize();
_bmFontSize = originalFontSize / CC_CONTENT_SCALE_FACTOR();
}
if (fontSize > 0.0f && bmFont->isResizable())
{
_bmFontSize = fontSize;
}
_bmFontPath = bmfontFilePath;
_bmFontCanTint = bmFont->canTint();
_currentLabelType = LabelType::BMFONT;
setFontAtlas(bmFont->getFontAtlas());
return true;
}
void FUILabel::setGrayed(bool value)
{
if (_grayed != value)
{
_grayed = value;
if (_currentLabelType != LabelType::BMFONT)
setTextColor((Color4B)(_grayed ? toGrayed(_textFormat->color) : _textFormat->color));
else if (_bmFontCanTint)
setColor(_grayed ? toGrayed(_textFormat->color) : _textFormat->color);
if (_textFormat->hasEffect(TextFormat::OUTLINE))
enableOutline((Color4B)(_grayed ? toGrayed(_textFormat->outlineColor) : _textFormat->outlineColor), _textFormat->outlineSize);
if (_textFormat->hasEffect(TextFormat::SHADOW))
enableShadow((Color4B)(_grayed ? toGrayed(_textFormat->shadowColor) : _textFormat->shadowColor), _textFormat->shadowOffset);
}
}
void FUILabel::updateBMFontScale()
{
auto font = _fontAtlas->getFont();
if (_currentLabelType == LabelType::BMFONT)
{
BitmapFont* bmFont = (BitmapFont*)font;
float originalFontSize = bmFont->getOriginalFontSize();
_bmfontScale = _bmFontSize * CC_CONTENT_SCALE_FACTOR() / originalFontSize;
}
else
{
_bmfontScale = 1.0f;
}
}
void FUILabel::setUnderlineColor(const axis::Color3B& value)
{
//NOT IMPLEMENTED
}
NS_FGUI_END