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little FreeType fix (Char-left-bearing)

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ardi@ist-einmalig.de 2009-05-22 12:09:44 +00:00
parent 3fb0c53089
commit 2f1e1dfd77
2 changed files with 9 additions and 7 deletions
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5
source/FreeTypeGX.cpp
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@ -308,13 +308,14 @@ ftgxCharData *FreeTypeGX::cacheGlyphData(wchar_t charCode) {
textureHeight = adjustTextureHeight(glyphBitmap->rows, this->textureFormat); textureHeight = adjustTextureHeight(glyphBitmap->rows, this->textureFormat);
this->fontData[charCode] = (ftgxCharData){ this->fontData[charCode] = (ftgxCharData){
this->ftSlot->bitmap_left,
this->ftSlot->advance.x >> 6, this->ftSlot->advance.x >> 6,
gIndex, gIndex,
textureWidth, textureWidth,
textureHeight, textureHeight,
this->ftSlot->bitmap_top, this->ftSlot->bitmap_top,
this->ftSlot->bitmap_top, this->ftSlot->bitmap_top,
textureHeight - this->ftSlot->bitmap_top, glyphBitmap->rows - this->ftSlot->bitmap_top,
NULL NULL
}; };
this->loadGlyphData(glyphBitmap, &this->fontData[charCode]); this->loadGlyphData(glyphBitmap, &this->fontData[charCode]);
@ -487,7 +488,7 @@ uint16_t FreeTypeGX::drawText(int16_t x, int16_t y, wchar_t *text, GXColor color
} }
GX_InitTexObj(&glyphTexture, glyphData->glyphDataTexture, glyphData->textureWidth, glyphData->textureHeight, this->textureFormat, GX_CLAMP, GX_CLAMP, GX_FALSE); GX_InitTexObj(&glyphTexture, glyphData->glyphDataTexture, glyphData->textureWidth, glyphData->textureHeight, this->textureFormat, GX_CLAMP, GX_CLAMP, GX_FALSE);
this->copyTextureToFramebuffer(&glyphTexture, glyphData->textureWidth, glyphData->textureHeight, x_pos - x_offset, y - glyphData->renderOffsetY - y_offset, color); this->copyTextureToFramebuffer(&glyphTexture, glyphData->textureWidth, glyphData->textureHeight, x_pos + glyphData->renderOffsetX - x_offset, y - glyphData->renderOffsetY - y_offset, color);
x_pos += glyphData->glyphAdvanceX; x_pos += glyphData->glyphAdvanceX;
printed++; printed++;

3
source/FreeTypeGX.h
View File

@ -166,13 +166,14 @@
* Font face character glyph relevant data structure. * Font face character glyph relevant data structure.
*/ */
typedef struct ftgxCharData_ { typedef struct ftgxCharData_ {
int16_t renderOffsetX; /**< Texture X axis bearing offset. */
uint16_t glyphAdvanceX; /**< Character glyph X coordinate advance in pixels. */ uint16_t glyphAdvanceX; /**< Character glyph X coordinate advance in pixels. */
uint16_t glyphIndex; /**< Charachter glyph index in the font face. */ uint16_t glyphIndex; /**< Charachter glyph index in the font face. */
uint16_t textureWidth; /**< Texture width in pixels/bytes. */ uint16_t textureWidth; /**< Texture width in pixels/bytes. */
uint16_t textureHeight; /**< Texture glyph height in pixels/bytes. */ uint16_t textureHeight; /**< Texture glyph height in pixels/bytes. */
uint16_t renderOffsetY; /**< Texture Y axis bearing offset. */ int16_t renderOffsetY; /**< Texture Y axis bearing offset. */
int16_t renderOffsetMax; /**< Texture Y axis bearing maximum value. */ int16_t renderOffsetMax; /**< Texture Y axis bearing maximum value. */
int16_t renderOffsetMin; /**< Texture Y axis bearing minimum value. */ int16_t renderOffsetMin; /**< Texture Y axis bearing minimum value. */