mirror of https://github.com/axmolengine/axmol.git
Merge pull request #796 from dumganhar/gles20
issue #1056: Added CCLabelBMFont alignment support.
This commit is contained in:
James Chen
commit
26a29a439b
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@ -32,166 +32,189 @@ Use any of these editors to generate BMFonts:
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****************************************************************************/
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#ifndef __CCBITMAP_FONT_ATLAS_H__
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#define __CCBITMAP_FONT_ATLAS_H__
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#include "CCSpriteBatchNode.h"
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#include <map>
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#include <sstream>
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#include <iostream>
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#include <vector>
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namespace cocos2d{
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NS_CC_BEGIN
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struct _KerningHashElement;
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enum {
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kCCLabelAutomaticWidth = -1,
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};
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/**
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@struct ccBMFontDef
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BMFont definition
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struct _KerningHashElement;
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struct _FontDefHashElement;
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/**
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@struct ccBMFontDef
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BMFont definition
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*/
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typedef struct _BMFontDef {
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//! ID of the character
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unsigned int charID;
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//! origin and size of the font
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CCRect rect;
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//! The X amount the image should be offset when drawing the image (in pixels)
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short xOffset;
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//! The Y amount the image should be offset when drawing the image (in pixels)
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short yOffset;
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//! The amount to move the current position after drawing the character (in pixels)
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short xAdvance;
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} ccBMFontDef;
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/** @struct ccBMFontPadding
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BMFont padding
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@since v0.8.2
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*/
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typedef struct _BMFontPadding {
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/// padding left
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int left;
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/// padding top
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int top;
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/// padding right
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int right;
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/// padding bottom
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int bottom;
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} ccBMFontPadding;
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/** @brief CCBMFontConfiguration has parsed configuration of the the .fnt file
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@since v0.8
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*/
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class CC_DLL CCBMFontConfiguration : public CCObject
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{
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// XXX: Creating a public interface so that the bitmapFontArray[] is accesible
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public://@public
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// BMFont definitions
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struct _FontDefHashElement* m_pFontDefDictionary;
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//! FNTConfig: Common Height
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unsigned int m_uCommonHeight;
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//! Padding
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ccBMFontPadding m_tPadding;
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//! atlas name
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std::string m_sAtlasName;
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//! values for kerning
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struct _KerningHashElement *m_pKerningDictionary;
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public:
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CCBMFontConfiguration();
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virtual ~CCBMFontConfiguration();
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const char * description();
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/** allocates a CCBMFontConfiguration with a FNT file */
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static CCBMFontConfiguration * configurationWithFNTFile(const char *FNTfile);
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/** initializes a BitmapFontConfiguration with a FNT file */
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bool initWithFNTfile(const char *FNTfile);
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private:
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void parseConfigFile(const char *controlFile);
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void parseCharacterDefinition(std::string line, ccBMFontDef *characterDefinition);
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void parseInfoArguments(std::string line);
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void parseCommonArguments(std::string line);
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void parseImageFileName(std::string line, const char *fntFile);
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void parseKerningCapacity(std::string line);
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void parseKerningEntry(std::string line);
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void purgeKerningDictionary();
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void purgeFontDefDictionary();
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};
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/** @brief CCLabelBMFont is a subclass of CCSpriteSheet.
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Features:
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- Treats each character like a CCSprite. This means that each individual character can be:
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- rotated
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- scaled
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- translated
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- tinted
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- chage the opacity
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- It can be used as part of a menu item.
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- anchorPoint can be used to align the "label"
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- Supports AngelCode text format
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Limitations:
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- All inner characters are using an anchorPoint of (0.5f, 0.5f) and it is not recommend to change it
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because it might affect the rendering
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CCLabelBMFont implements the protocol CCLabelProtocol, like CCLabel and CCLabelAtlas.
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CCLabelBMFont has the flexibility of CCLabel, the speed of CCLabelAtlas and all the features of CCSprite.
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If in doubt, use CCLabelBMFont instead of CCLabelAtlas / CCLabel.
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Supported editors:
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http://glyphdesigner.71squared.com/ (Commercial, Mac OS X)
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http://www.n4te.com/hiero/hiero.jnlp (Free, Java)
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http://slick.cokeandcode.com/demos/hiero.jnlp (Free, Java)
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http://www.angelcode.com/products/bmfont/ (Free, Windows only)
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@since v0.8
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*/
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class CC_DLL CCLabelBMFont : public CCSpriteBatchNode, public CCLabelProtocol, public CCRGBAProtocol
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{
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/** conforms to CCRGBAProtocol protocol */
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CC_PROPERTY(GLubyte, m_cOpacity, Opacity)
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/** conforms to CCRGBAProtocol protocol */
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CC_PROPERTY_PASS_BY_REF(ccColor3B, m_tColor, Color)
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/** conforms to CCRGBAProtocol protocol */
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CC_PROPERTY(bool, m_bIsOpacityModifyRGB, IsOpacityModifyRGB)
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protected:
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// string to render
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unsigned short* m_sString;
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std::string m_sString_initial;
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CCBMFontConfiguration *m_pConfiguration;
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CCTextAlignment m_pAlignment;
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float m_fWidth;
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bool m_bLineBreakWithoutSpaces;
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// offset of the texture atlas
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CCPoint m_tImageOffset;
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public:
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CCLabelBMFont();
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virtual ~CCLabelBMFont();
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/** Purges the cached data.
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Removes from memory the cached configurations and the atlas name dictionary.
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@since v0.99.3
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*/
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typedef struct _BMFontDef {
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//! ID of the character
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unsigned int charID;
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//! origin and size of the font
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CCRect rect;
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//! The X amount the image should be offset when drawing the image (in pixels)
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int xOffset;
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//! The Y amount the image should be offset when drawing the image (in pixels)
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int yOffset;
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//! The amount to move the current position after drawing the character (in pixels)
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int xAdvance;
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} ccBMFontDef;
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static void purgeCachedData();
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/** creates a bitmap font altas with an initial string and the FNT file */
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static CCLabelBMFont * labelWithString(const char *str, const char *fntFile);
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static CCLabelBMFont * labelWithString(const char *str, const char *fntFile, float width, CCTextAlignment alignment);
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static CCLabelBMFont * labelWithString(const char *str, const char *fntFile, float width, CCTextAlignment alignment, CCPoint imageOffset);
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/** @struct ccBMFontPadding
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BMFont padding
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@since v0.8.2
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*/
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typedef struct _BMFontPadding {
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/// padding left
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int left;
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/// padding top
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int top;
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/// padding right
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int right;
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/// padding bottom
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int bottom;
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} ccBMFontPadding;
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/** @brief CCBMFontConfiguration has parsed configuration of the the .fnt file
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@since v0.8
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*/
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class CC_DLL CCBMFontConfiguration : public CCObject
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{
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// XXX: Creating a public interface so that the bitmapFontArray[] is accesible
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public://@public
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//! The characters building up the font
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std::map<unsigned int, ccBMFontDef>* m_pBitmapFontArray;
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//! FNTConfig: Common Height
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unsigned int m_uCommonHeight;
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//! Padding
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ccBMFontPadding m_tPadding;
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//! atlas name
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std::string m_sAtlasName;
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//! values for kerning
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struct _KerningHashElement *m_pKerningDictionary;
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public:
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CCBMFontConfiguration();
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virtual ~CCBMFontConfiguration();
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char * description();
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/** allocates a CCBMFontConfiguration with a FNT file */
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static CCBMFontConfiguration * configurationWithFNTFile(const char *FNTfile);
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/** initializes a BitmapFontConfiguration with a FNT file */
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bool initWithFNTfile(const char *FNTfile);
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private:
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void parseConfigFile(const char *controlFile);
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void parseCharacterDefinition(std::string line, ccBMFontDef *characterDefinition);
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void parseInfoArguments(std::string line);
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void parseCommonArguments(std::string line);
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void parseImageFileName(std::string line, const char *fntFile);
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void parseKerningCapacity(std::string line);
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void parseKerningEntry(std::string line);
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void purgeKerningDictionary();
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};
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/** @brief CCLabelBMFont is a subclass of CCSpriteSheet.
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Features:
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- Treats each character like a CCSprite. This means that each individual character can be:
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- rotated
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- scaled
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- translated
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- tinted
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- chage the opacity
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- It can be used as part of a menu item.
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- anchorPoint can be used to align the "label"
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- Supports AngelCode text format
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Limitations:
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- All inner characters are using an anchorPoint of (0.5f, 0.5f) and it is not recommend to change it
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because it might affect the rendering
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CCLabelBMFont implements the protocol CCLabelProtocol, like CCLabel and CCLabelAtlas.
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CCLabelBMFont has the flexibility of CCLabel, the speed of CCLabelAtlas and all the features of CCSprite.
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If in doubt, use CCLabelBMFont instead of CCLabelAtlas / CCLabel.
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Supported editors:
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http://glyphdesigner.71squared.com/ (Commercial, Mac OS X)
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http://www.n4te.com/hiero/hiero.jnlp (Free, Java)
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http://slick.cokeandcode.com/demos/hiero.jnlp (Free, Java)
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http://www.angelcode.com/products/bmfont/ (Free, Windows only)
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@since v0.8
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*/
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class CC_DLL CCLabelBMFont : public CCSpriteBatchNode, public CCLabelProtocol, public CCRGBAProtocol
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{
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/** conforms to CCRGBAProtocol protocol */
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CC_PROPERTY(GLubyte, m_cOpacity, Opacity)
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/** conforms to CCRGBAProtocol protocol */
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CC_PROPERTY_PASS_BY_REF(ccColor3B, m_tColor, Color)
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/** conforms to CCRGBAProtocol protocol */
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CC_PROPERTY(bool, m_bIsOpacityModifyRGB, IsOpacityModifyRGB)
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protected:
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// string to render
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std::string m_sString;
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CCBMFontConfiguration *m_pConfiguration;
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public:
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CCLabelBMFont()
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: m_cOpacity(0)
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, m_bIsOpacityModifyRGB(false)
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, m_sString("")
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, m_pConfiguration(NULL)
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{}
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virtual ~CCLabelBMFont();
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/** Purges the cached data.
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Removes from memory the cached configurations and the atlas name dictionary.
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@since v0.99.3
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*/
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static void purgeCachedData();
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/** creates a bitmap font altas with an initial string and the FNT file */
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static CCLabelBMFont * labelWithString(const char *str, const char *fntFile);
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/** init a bitmap font altas with an initial string and the FNT file */
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bool initWithString(const char *str, const char *fntFile);
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/** updates the font chars based on the string to render */
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void createFontChars();
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// super method
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virtual void setString(const char *label);
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virtual const char* getString(void);
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virtual void setCString(const char *label);
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virtual void setAnchorPoint(const CCPoint& var);
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/** init a bitmap font altas with an initial string and the FNT file */
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bool initWithString(const char *str, const char *fntFile, float width, CCTextAlignment alignment, CCPoint imageOffset);
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bool initWithString(const char *str, const char *fntFile, float width, CCTextAlignment alignment);
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bool initWithString(const char *str, const char *fntFile);
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/** updates the font chars based on the string to render */
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void createFontChars();
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// super method
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virtual void setString(const char *label);
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virtual void setString(const char *label, bool fromUpdate);
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virtual void updateString(bool fromUpdate);
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virtual const char* getString(void);
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virtual void setCString(const char *label);
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virtual void setAnchorPoint(const CCPoint& var);
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virtual void updateLabel();
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virtual void setAlignment(CCTextAlignment alignment);
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virtual void setWidth(float width);
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virtual void setLineBreakWithoutSpace(bool breakWithoutSpace);
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#if CC_LABELBMFONT_DEBUG_DRAW
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virtual void draw();
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virtual void draw();
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#endif // CC_LABELBMFONT_DEBUG_DRAW
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private:
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char * atlasNameFromFntFile(const char *fntFile);
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int kerningAmountForFirst(unsigned short first, unsigned short second);
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private:
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char * atlasNameFromFntFile(const char *fntFile);
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int kerningAmountForFirst(unsigned short first, unsigned short second);
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};
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};
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/** Free function that parses a FNT file a place it on the cache
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*/
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CC_DLL CCBMFontConfiguration * FNTConfigLoadFile( const char *file );
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/** Purges the FNT config cache
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*/
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CC_DLL void FNTConfigRemoveCache( void );
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}// namespace cocos2d
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/** Free function that parses a FNT file a place it on the cache
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*/
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CC_DLL CCBMFontConfiguration * FNTConfigLoadFile( const char *file );
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/** Purges the FNT config cache
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*/
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CC_DLL void FNTConfigRemoveCache( void );
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NS_CC_END
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#endif //__CCBITMAP_FONT_ATLAS_H__
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