414 lines
12 KiB
C
414 lines
12 KiB
C
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#include <InsCfg.h>
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#include <lib/InsFont.h>
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#include <ft2build.h>
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#include <freetype/freetype.h>
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#include <freetype/ftglyph.h>
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#define DBG_LEVEL DBG_INFO
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#define DBG_TAG "LibFont"
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#include <InsDbg.h>
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static FT_Library mFtLib = NULL;
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static FT_Face mFtFace[MAX_FT_FACE_NUM];
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static Int32 mFtFaceIdCnt = 0;
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/*
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ftLib,
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<EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ins_TRUE, libIDs<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>ų<EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD>ftLib ID
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ʧ<EFBFBD>ܻ<EFBFBD><EFBFBD>߲<EFBFBD><EFBFBD>ֳɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ins_FALSE, libIDs<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD><EFBFBD>ܻᱻ<EFBFBD><EFBFBD>ֵΪINS_INVALID_RES_ID
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*/
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Bool InitFtLibs
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(
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const char *ftFiles[], /*[in] <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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Int32 *libIDs, /*[out] ftLib id<69><64><EFBFBD><EFBFBD>, <20><>0<EFBFBD><30>ʼ[0,n]*/
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Int32 num /*[in] <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>, ftLib<69><62><EFBFBD><EFBFBD>*/
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)
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{
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Int32 i;
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Bool retv = INS_TRUE;
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if(mFtLib == NULL && FT_Init_FreeType(&mFtLib) != 0)
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{
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for(i = 0; i < num; i++)libIDs[i] = INS_INVALID_RES_ID;
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printf("FT_Init_FreeType fail\n");
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return INS_FALSE;
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}
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for(i = 0; i < num && i < MAX_FT_FACE_NUM; i++)
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{
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if(FT_New_Face(mFtLib, ftFiles[i], 0, &mFtFace[mFtFaceIdCnt]) != 0)
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{
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mFtFace[mFtFaceIdCnt] = NULL;
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retv = INS_FALSE;
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libIDs[i] = INS_INVALID_RES_ID;
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printf("FT_New_Face %s fail\n", ftFiles[i]);
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}
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else
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{
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libIDs[i] = mFtFaceIdCnt;
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mFtFaceIdCnt++;
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}
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}
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for(; i < num; i++) /*(num >= MAX_FT_FACE_NUM)out of range?*/
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{
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retv = INS_FALSE;
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libIDs[i] = INS_INVALID_RES_ID;
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}
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return retv;
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}
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/*<2A>ͷ<EFBFBD>ftLibռ<62>õ<EFBFBD><C3B5><EFBFBD>Դ*/
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void DeInitFtLibs
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(
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Int32 *libIDs, /*[in] <20><>Ҫ<EFBFBD>ͷŵ<CDB7>ftLib ID<49><44><EFBFBD><EFBFBD>*/
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Int32 num /*[in]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С*/
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)
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{
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if(mFtLib == NULL)return;
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int i;
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for(i = 0; i < MAX_FT_FACE_NUM; i++)
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{
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if(mFtFace[i] != NULL)
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{
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FT_Done_Face(mFtFace[i]);
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mFtFace[i] = NULL;
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}
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}
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FT_Done_FreeType(mFtLib);
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mFtLib = NULL;
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}
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/*
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ftLib ID<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
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*/
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Bool GenFontBmps
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(
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Int32 libID, /*[in] ftLib ID*/
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Int32 charSize, /*[in] <20><><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD>1.5<EFBFBD><EFBFBD>)*/
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Int32 texWidth, /*[in] <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>(=2^n)*/
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Int32 codeNum, /*[in] <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С*/
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const UInt32 *ucsCode, /*[in] <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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Int32 *texHigh, /*[out] <20><><EFBFBD><EFBFBD>ͼ<EFBFBD>а<EFBFBD><D0B0><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD>ε<EFBFBD><CEB5><EFBFBD><EFBFBD>ظ߶<D8B8>*/
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UInt08 **pixelBuff, /*[out] <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>(<28>Ҷ<EFBFBD>/Alpha)<29><><EFBFBD><EFBFBD>(һ<><D2BB><EFBFBD>ֽڶ<D6BD>Ӧһ<D3A6><D2BB><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>Alphaֵ), <20>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>texWidth x texHigh */
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Flt32 **widthRate, /*[out] <20><><EFBFBD><EFBFBD>ʵ<EFBFBD>ʿ<EFBFBD><CABF>ȱ<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>(ʵ<>ʿ<EFBFBD><CABF><EFBFBD>/charSize)*/
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Flt32 **texcoord, /*[out] <20><><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>OpenGL<47><4C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD>Ͻǡ<CFBD><C7A1><EFBFBD><EFBFBD>½<EFBFBD><C2BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)*/
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Bool tight /*[in] <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, Ins_FALSE<53><45><EFBFBD><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռcharSize<7A><65><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD><D8BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ε<EFBFBD>"<22><><EFBFBD><EFBFBD>"*/
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)
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{
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Int32 x, y, n, column, row;
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Int32 texX0, texY0;
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UInt08 *tmpBuff;
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if(charSize > texWidth
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|| pixelBuff == NULL
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|| texHigh == NULL
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|| codeNum < 1
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|| libID >= mFtFaceIdCnt
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|| libID < 0)
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{
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return INS_FALSE;
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}
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FT_Set_Pixel_Sizes(mFtFace[libID], charSize, charSize);
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texX0 = 0;
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texY0 = 0;
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column = texWidth/charSize; /*glyph_num per line */
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row = (codeNum+column-1)/column; /*line count*/
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tmpBuff = (UInt08*)malloc(row*3*charSize/2*texWidth); /*glyph high is [3 x charSize / 2]*/
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if(widthRate != NULL)widthRate[0] = (Flt32*)malloc(codeNum*sizeof(Flt32));
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if(texcoord != NULL)texcoord[0] = (Flt32*)malloc(codeNum*4*sizeof(Flt32));
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memset(tmpBuff, 0, row*3*charSize/2*texWidth);
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for(n = 0; n < codeNum; n++)
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{
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FT_Glyph glyph;
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UInt08 *bmpBuff;
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Int32 left, top, innx, inny, w, h;
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FT_Load_Glyph(mFtFace[libID], FT_Get_Char_Index(mFtFace[libID], ucsCode[n]), FT_LOAD_DEFAULT);
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if(FT_Get_Glyph(mFtFace[libID]->glyph, &glyph) != 0)
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{
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if(texcoord != NULL)
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{
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texcoord[0][4*n+0] = 0.0f;
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texcoord[0][4*n+1] = 0.0f;
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texcoord[0][4*n+2] = 0.0f;
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texcoord[0][4*n+3] = 0.0f;
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}
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if(widthRate != NULL)widthRate[0][n] = 0.0f;
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continue;
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}
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if(glyph->format != FT_GLYPH_FORMAT_BITMAP)
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{
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FT_Glyph_To_Bitmap(&glyph, FT_RENDER_MODE_NORMAL, 0, 1);
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}
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FT_BitmapGlyph bmpGlyph = (FT_BitmapGlyph)glyph;
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w = bmpGlyph->bitmap.width;
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h = bmpGlyph->bitmap.rows;
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left = bmpGlyph->left;
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top = bmpGlyph->top;
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if(top > charSize)
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top = charSize;
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bmpBuff = bmpGlyph->bitmap.buffer;
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if(w == 0) /*space*/
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{
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w = charSize/2;
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h = 0;
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left = 0;
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top = 0;
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bmpBuff = NULL;
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}
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if(tight)
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{
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if(widthRate != NULL)widthRate[0][n] = 1.0f*w/charSize;
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if(texX0 + w > texWidth)
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{
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texX0 = 0;
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texY0 += 3*charSize/2;
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}
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x = texX0;
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y = texY0 + charSize - top;
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if(texcoord != NULL)
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{
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texcoord[0][4*n+0] = 1.0f*texX0/texWidth;
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texcoord[0][4*n+1] = texY0;
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texcoord[0][4*n+2] = 1.0f*(texX0+w)/texWidth;
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texcoord[0][4*n+3] = texY0+3.0f*charSize/2;
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}
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}
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else
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{
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if(widthRate != NULL)widthRate[0][n] = 1.0f;
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if(texX0 + charSize > texWidth)
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{
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texX0 = 0;
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texY0 += 3*charSize/2;
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}
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x = texX0 + left;
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y = texY0 + charSize - top;
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if(texcoord != NULL)
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{
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texcoord[0][4*n+0] = 1.0f*texX0/texWidth;
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texcoord[0][4*n+1] = texY0;
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texcoord[0][4*n+2] = 1.0f*(texX0+charSize)/texWidth;
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texcoord[0][4*n+3] = texY0+3.0f*charSize/2;
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}
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}
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for(inny = 0; inny < h; inny++)
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{
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for(innx = 0; innx < w; innx++)
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{
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tmpBuff[(y+inny)*texWidth + x + innx] = bmpBuff[inny*w+innx];
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}
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}
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if(tight)
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{
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texX0 += w+2;/* +2 to make a gap between glyphs*/
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}
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else
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{
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texX0 += charSize;
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}
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//printf("texX0:%d\n", texX0);
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FT_Done_Glyph(glyph);
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}
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pixelBuff[0] = tmpBuff;
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*texHigh = texY0 + 3.0f*charSize/2;
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if(texcoord != NULL)for(n = 0; n < codeNum; n++)
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{
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texcoord[0][4*n+1] = *texHigh - texcoord[0][4*n+1];
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texcoord[0][4*n+3] = *texHigh - texcoord[0][4*n+3];
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texcoord[0][4*n+1] /= *texHigh;
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texcoord[0][4*n+3] /= *texHigh;
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//printf("(%f, %f), (%f, %f)\n", texcoord[0][4*n+0], texcoord[0][4*n+1], texcoord[0][4*n+2], texcoord[0][4*n+3]);
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}
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/*
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if(widthRate != NULL)for(n = 0; n < codeNum; n++)
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{
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printf("%f\n", widthRate[0][n]);
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}
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for(y = 0; y < 0; y++)// *texHigh; y++)
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{
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for(x = 0; x < texWidth; x++)
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{
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if(pixelBuff[0][y*texWidth+x] < 10)printf("00%d ", pixelBuff[0][y*texWidth+x]);
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else if(pixelBuff[0][y*texWidth+x] < 100)printf("0%d ", pixelBuff[0][y*texWidth+x]);
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else printf("%d ", pixelBuff[0][y*texWidth+x]);
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}
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printf("\n");
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}
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*/
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for(y = 0; y < *texHigh/2; y++)
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{
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for(x = 0; x < texWidth; x++)
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{
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texY0 = *texHigh-y-1;
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n = pixelBuff[0][y*texWidth + x];
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pixelBuff[0][y*texWidth + x] = pixelBuff[0][texY0*texWidth + x];
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pixelBuff[0][texY0*texWidth + x] = n;
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}
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}
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return INS_TRUE;
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}
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Bool DrawSingleLineTxtBmp
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(
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Int32 libID,
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Int32 charSize,
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Int32 *bmpWidth,
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Int32 *bmpHigh,
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const UInt32 *ucsCode,
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UInt08 *bmpPixel,
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Bool tight,
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Int32 *numDrawn
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)
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{
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Int32 x, y, n, cursorX, failWidth;
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FT_Glyph glyph[1];
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if(charSize > *bmpWidth
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|| bmpPixel == NULL
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|| libID >= mFtFaceIdCnt
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|
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|| libID < 0)
|
|||
|
|
{
|
|||
|
|
if(numDrawn != NULL)*numDrawn = 0;
|
|||
|
|
return INS_FALSE;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
FT_Set_Pixel_Sizes(mFtFace[libID], charSize, charSize);
|
|||
|
|
|
|||
|
|
/* use '_' rectangle info for invalid(fail) character */
|
|||
|
|
if(FT_Load_Glyph(mFtFace[libID], FT_Get_Char_Index(mFtFace[libID], '_'), FT_LOAD_DEFAULT) != 0
|
|||
|
|
|| FT_Get_Glyph(mFtFace[libID]->glyph, glyph) != 0)
|
|||
|
|
{
|
|||
|
|
failWidth = charSize/2;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if(glyph[0]->format != FT_GLYPH_FORMAT_BITMAP)
|
|||
|
|
{
|
|||
|
|
FT_Glyph_To_Bitmap(glyph, FT_RENDER_MODE_NORMAL, 0, 1);
|
|||
|
|
}
|
|||
|
|
FT_BitmapGlyph bmpGlyph = (FT_BitmapGlyph)glyph[0];
|
|||
|
|
|
|||
|
|
failWidth = bmpGlyph->bitmap.width;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
FT_Done_Glyph(glyph[0]);
|
|||
|
|
glyph[0] = NULL;
|
|||
|
|
|
|||
|
|
cursorX = 0;
|
|||
|
|
for(n = 0; ucsCode[n] != 0; n++)
|
|||
|
|
{
|
|||
|
|
UInt08 *buff = NULL;
|
|||
|
|
UInt32 idx, innx, inny;
|
|||
|
|
Int32 glyphLeft, glyphTop, glyphWidth, glyphHeight;
|
|||
|
|
|
|||
|
|
if((idx = FT_Get_Char_Index(mFtFace[libID], ucsCode[n])) == 0 /*invalid character*/
|
|||
|
|
|| FT_Load_Glyph(mFtFace[libID], idx, FT_LOAD_DEFAULT) != 0 /*load fail*/
|
|||
|
|
|| FT_Get_Glyph(mFtFace[libID]->glyph, glyph) != 0) /*get fail*/
|
|||
|
|
{
|
|||
|
|
printf("load glyph fail[ucs:0x%x]\n", ucsCode[n]);
|
|||
|
|
glyphWidth = 0;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if(glyph[0]->format != FT_GLYPH_FORMAT_BITMAP)
|
|||
|
|
{
|
|||
|
|
FT_Glyph_To_Bitmap(glyph, FT_RENDER_MODE_NORMAL, 0, 1);
|
|||
|
|
}
|
|||
|
|
FT_BitmapGlyph bmpGlyph = (FT_BitmapGlyph)glyph[0];
|
|||
|
|
|
|||
|
|
glyphWidth = bmpGlyph->bitmap.width;
|
|||
|
|
glyphHeight = bmpGlyph->bitmap.rows;
|
|||
|
|
glyphLeft = bmpGlyph->left;
|
|||
|
|
glyphTop = bmpGlyph->top;
|
|||
|
|
// printf("load glyph ok[ucs:0x%x]\n", ucsCode[n]);
|
|||
|
|
// printf("(%d, %d, %d, %d)\n", glyphLeft, glyphTop, glyphWidth, glyphHeight);
|
|||
|
|
|
|||
|
|
buff = bmpGlyph->bitmap.buffer;
|
|||
|
|
}
|
|||
|
|
if(glyphWidth == 0)
|
|||
|
|
{
|
|||
|
|
glyphWidth = failWidth;
|
|||
|
|
glyphHeight = 0;
|
|||
|
|
glyphLeft = 0;
|
|||
|
|
glyphTop = 0;
|
|||
|
|
}
|
|||
|
|
if(tight)
|
|||
|
|
{
|
|||
|
|
if(cursorX + glyphWidth > (*bmpWidth))
|
|||
|
|
{
|
|||
|
|
FT_Done_Glyph(glyph[0]);
|
|||
|
|
glyph[0] = NULL;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
x = cursorX;
|
|||
|
|
y = charSize - glyphTop;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if(cursorX + charSize > (*bmpWidth))
|
|||
|
|
{
|
|||
|
|
FT_Done_Glyph(glyph[0]);
|
|||
|
|
glyph[0] = NULL;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
x = cursorX + glyphLeft;
|
|||
|
|
y = charSize - glyphTop;
|
|||
|
|
}
|
|||
|
|
if(y < 0)y = 0;
|
|||
|
|
|
|||
|
|
// printf("cursorX:%d, bmpWidth:%d, bmpHeight:%d, (%d,%d)\n", cursorX, *bmpWidth, *bmpHigh, x, y);
|
|||
|
|
for(inny = 0; inny < glyphHeight; inny++)
|
|||
|
|
{
|
|||
|
|
for(innx = 0; innx < glyphWidth; innx++)
|
|||
|
|
{
|
|||
|
|
// printf("%x%x,", buff[inny*glyphWidth+innx]/16, buff[inny*glyphWidth+innx]%16);
|
|||
|
|
if((*bmpHigh) <= y+inny)continue;
|
|||
|
|
bmpPixel[((*bmpHigh)-y-inny-1)*(*bmpWidth) + x + innx] = buff[inny*glyphWidth+innx];
|
|||
|
|
// bmpPixel[(y+inny)*(*bmpWidth) + x + innx] = buff[inny*glyphWidth+innx];
|
|||
|
|
}
|
|||
|
|
// printf("\n");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(tight)
|
|||
|
|
{
|
|||
|
|
cursorX += glyphWidth+2;/* +2 to make a gap between glyphs*/
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
cursorX += charSize;
|
|||
|
|
}
|
|||
|
|
FT_Done_Glyph(glyph[0]);
|
|||
|
|
glyph[0] = NULL;
|
|||
|
|
}
|
|||
|
|
if(numDrawn != NULL)*numDrawn = n;
|
|||
|
|
|
|||
|
|
if(tight)cursorX -= 2;
|
|||
|
|
for(y = 1; y < *bmpHigh; y++)
|
|||
|
|
{
|
|||
|
|
for(x = 0; x < cursorX; x++)
|
|||
|
|
{
|
|||
|
|
bmpPixel[y*cursorX+x] = bmpPixel[y*(*bmpWidth)+x];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
x = (*bmpHigh)*cursorX;
|
|||
|
|
y = (*bmpHigh)*(*bmpWidth);
|
|||
|
|
while(x < y)bmpPixel[(x++)] = 0;
|
|||
|
|
|
|||
|
|
*(bmpWidth) = cursorX;
|
|||
|
|
// printf("width:%d, height:%d\n", (*bmpWidth), (*bmpHigh));
|
|||
|
|
|
|||
|
|
return INS_TRUE;
|
|||
|
|
}
|
|||
|
|
|