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Label:Fixed the top of character's texture may be tailored if enable outline effect.

This commit is contained in:
WenhaiLin 2015-07-01 14:57:01 +08:00
parent d65900ea3d
commit 322bd30d7b
2 changed files with 18 additions and 14 deletions
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22
cocos/2d/CCFontFreeType.cpp
View File

@ -97,6 +97,8 @@ FontFreeType::FontFreeType(bool distanceFieldEnabled /* = false */,int outline /
, _stroker(nullptr) , _stroker(nullptr)
, _distanceFieldEnabled(distanceFieldEnabled) , _distanceFieldEnabled(distanceFieldEnabled)
, _outlineSize(0.0f) , _outlineSize(0.0f)
, _lineHeight(0)
, _fontAtlas(nullptr)
{ {
if (outline > 0) if (outline > 0)
{ {
@ -147,6 +149,7 @@ bool FontFreeType::createFontObject(const std::string &fontName, int fontSize)
// store the face globally // store the face globally
_fontRef = face; _fontRef = face;
_lineHeight = static_cast<int>(_fontRef->size->metrics.height >> 6);
// done and good // done and good
return true; return true;
@ -172,17 +175,21 @@ FontFreeType::~FontFreeType()
FontAtlas * FontFreeType::createFontAtlas() FontAtlas * FontFreeType::createFontAtlas()
{ {
FontAtlas *atlas = new (std::nothrow) FontAtlas(*this); if (_fontAtlas == nullptr)
if (_usedGlyphs != GlyphCollection::DYNAMIC) {
_fontAtlas = new (std::nothrow) FontAtlas(*this);
if (_fontAtlas && _usedGlyphs != GlyphCollection::DYNAMIC)
{ {
std::u16string utf16; std::u16string utf16;
if (StringUtils::UTF8ToUTF16(getCurrentGlyphCollection(), utf16)) if (StringUtils::UTF8ToUTF16(getCurrentGlyphCollection(), utf16))
{ {
atlas->prepareLetterDefinitions(utf16); _fontAtlas->prepareLetterDefinitions(utf16);
} }
} }
this->release(); this->release();
return atlas; }
return _fontAtlas;
} }
int * FontFreeType::getHorizontalKerningForTextUTF16(const std::u16string& text, int &outNumLetters) const int * FontFreeType::getHorizontalKerningForTextUTF16(const std::u16string& text, int &outNumLetters) const
@ -234,11 +241,6 @@ int FontFreeType::getHorizontalKerningForChars(unsigned short firstChar, unsign
return (static_cast<int>(kerning.x >> 6)); return (static_cast<int>(kerning.x >> 6));
} }
int FontFreeType::getFontMaxHeight() const
{
return (static_cast<int>(_fontRef->size->metrics.height >> 6));
}
int FontFreeType::getFontAscender() const int FontFreeType::getFontAscender() const
{ {
return (static_cast<int>(_fontRef->size->metrics.ascender >> 6)); return (static_cast<int>(_fontRef->size->metrics.ascender >> 6));
@ -313,7 +315,7 @@ unsigned char* FontFreeType::getGlyphBitmap(unsigned short theChar, long &outWid
auto blendHeight = blendImageMaxY - MIN(outlineMinY, glyphMinY); auto blendHeight = blendImageMaxY - MIN(outlineMinY, glyphMinY);
outRect.origin.x = blendImageMinX; outRect.origin.x = blendImageMinX;
outRect.origin.y = -blendImageMaxY; outRect.origin.y = -blendImageMaxY + _outlineSize;
long index, index2; long index, index2;
auto blendImage = new unsigned char[blendWidth * blendHeight * 2]; auto blendImage = new unsigned char[blendWidth * blendHeight * 2];

4
cocos/2d/CCFontFreeType.h
View File

@ -66,7 +66,7 @@ public:
unsigned char * getGlyphBitmap(unsigned short theChar, long &outWidth, long &outHeight, Rect &outRect,int &xAdvance); unsigned char * getGlyphBitmap(unsigned short theChar, long &outWidth, long &outHeight, Rect &outRect,int &xAdvance);
virtual int getFontMaxHeight() const override; virtual int getFontMaxHeight() const override { return _lineHeight; }
virtual int getFontAscender() const; virtual int getFontAscender() const;
protected: protected:
@ -90,6 +90,8 @@ private:
std::string _fontName; std::string _fontName;
bool _distanceFieldEnabled; bool _distanceFieldEnabled;
float _outlineSize; float _outlineSize;
int _lineHeight;
FontAtlas* _fontAtlas;
}; };
/// @endcond /// @endcond