freetype应用范例

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//-------------------------------------------------------------------------------------void LoadTextBitmap(RGN_HANDLE Handle, BITMAP_S *pstBitmap, int size, unsigned short* incode, int len){FT_LibrarypFTLib               =NULL;FT_Face         pFTFace           = NULL;FT_Glyphglyph;FT_UIntglyph_index;FT_Errorerror = 0;int i = 0;len /= 2;if (len < 1)return;error = FT_Init_FreeType(&pFTLib);if(error){return;}error = FT_New_Face(pFTLib, "./simsun.ttf", 0, &pFTFace);if(error){return;}if(0 !=FT_Set_Char_Size(pFTFace, 0, size<<6, 300, 300)){return;}FT_Bitmap *bitmap = malloc(sizeof(FT_Bitmap)*len);FT_BitmapGlyph bitmap_glyph;int totalSize = 0;int totalWidth = 0;for (i=0; i<len; i++){glyph_index =FT_Get_Char_Index(pFTFace, incode[i]);FT_Load_Glyph(pFTFace, glyph_index, FT_LOAD_DEFAULT);error =FT_Get_Glyph(pFTFace->glyph, &glyph);if (error){return;}FT_Glyph_To_Bitmap(&glyph, FT_RENDER_MODE_NORMAL, 0, 0);bitmap_glyph = (FT_BitmapGlyph)glyph;bitmap[i] = bitmap_glyph->bitmap;totalSize += bitmap[i].width * bitmap[i].rows;totalWidth += (bitmap[i].width);int w = bitmap[i].width;int h = bitmap[i].rows;int j,k;for (k=0; k<h; k++){   for (j=0; j<w; j++){if((bitmap[i].buffer[k * w  + j]) == 0 ){printf("0");}else{printf("1");}}printf("\n");}}pstBitmap->pData = calloc(1, totalSize*2);if (NULL == pstBitmap->pData){return;}pstBitmap->enPixelFormat = PIXEL_FORMAT_RGB_1555;pstBitmap->u32Width = totalWidth;pstBitmap->u32Height = bitmap[0].rows;int j,k;unsigned short *pDst = pstBitmap->pData;char *pSrc;int h = bitmap[0].rows;int off_j = 0;for (k=0; k<h; k++){off_j=0;for (i=0; i<len; i++){int w = bitmap[i].width; for (j=0; j<w; j++){if((bitmap[i].buffer[k * w+ j]) == 0 ){printf("0");pDst[k*totalWidth+off_j+j] = 0;}else{pDst[k*totalWidth+off_j+j] = 0xEFFF;printf("1");}}off_j += w;}printf("\n");}free(pstBitmap->pData);free(bitmap);}
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