csplugincommon/canvas/softfontcacheimpl.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2004 by Jorrit Tyberghein 00003 (C) 2004 by Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSPLUGINCOMMON_CANVAS_SOFTFONTCACHEIMPL_H__ 00021 #define __CS_CSPLUGINCOMMON_CANVAS_SOFTFONTCACHEIMPL_H__ 00022 00027 #include "graph2d.h" 00028 #include "csplugincommon/canvas/draw_text.h" 00029 00040 template <class Tpixel, class Tpixmixer> 00041 class csSoftFontCacheImpl : public csSoftFontCache 00042 { 00043 public: 00044 csSoftFontCacheImpl (csGraphics2D* G2D) : csSoftFontCache (G2D) 00045 { 00046 } 00047 virtual void WriteString (iFont *font, int x, int y, int fg, int bg, 00048 const utf8_char* text, uint flags) 00049 { 00050 if (!text || !*text) return; 00051 00052 int realColorFG; 00053 uint8 alphaFG; 00054 SplitAlpha (fg, realColorFG, alphaFG); 00055 int realColorBG; 00056 uint8 alphaBG; 00057 SplitAlpha (bg, realColorBG, alphaBG); 00058 00059 if (alphaBG == 0) 00060 { 00061 if (alphaFG == 0) 00062 return; 00063 realColorBG = realColorFG; 00064 if (alphaFG == 255) 00065 { 00066 csG2DDrawText<Tpixel, csPixMixerCopy<Tpixel>, csPixMixerNoop<Tpixel>, 00067 Tpixmixer>::DrawText (this, font, x, y, realColorFG, alphaFG, 00068 realColorBG, alphaBG, text, flags); 00069 } 00070 else 00071 { 00072 csG2DDrawText<Tpixel, Tpixmixer, csPixMixerNoop<Tpixel>, 00073 Tpixmixer>::DrawText (this, font, x, y, realColorFG, alphaFG, 00074 realColorBG, alphaBG, text, flags); 00075 } 00076 } 00077 else if (alphaBG == 255) 00078 { 00079 if (alphaFG == 0) 00080 { 00081 csG2DDrawText<Tpixel, csPixMixerNoop<Tpixel>, csPixMixerCopy<Tpixel>, 00082 Tpixmixer>::DrawText (this, font, x, y, realColorFG, alphaFG, 00083 realColorBG, alphaBG, text, flags); 00084 } 00085 else if (alphaFG == 255) 00086 { 00087 csG2DDrawText<Tpixel, csPixMixerCopy<Tpixel>, csPixMixerCopy<Tpixel>, 00088 Tpixmixer>::DrawText (this, font, x, y, realColorFG, alphaFG, 00089 realColorBG, alphaBG, text, flags); 00090 } 00091 else 00092 { 00093 csG2DDrawText<Tpixel, Tpixmixer, csPixMixerCopy<Tpixel>, 00094 Tpixmixer>::DrawText (this, font, x, y, realColorFG, alphaFG, 00095 realColorBG, alphaBG, text, flags); 00096 } 00097 } 00098 else 00099 { 00100 if (alphaFG == 0) 00101 { 00102 csG2DDrawText<Tpixel, csPixMixerNoop<Tpixel>, Tpixmixer, 00103 Tpixmixer>::DrawText (this, font, x, y, realColorFG, alphaFG, 00104 realColorBG, alphaBG, text, flags); 00105 } 00106 else if (alphaFG == 255) 00107 { 00108 csG2DDrawText<Tpixel, csPixMixerCopy<Tpixel>, Tpixmixer, 00109 Tpixmixer>::DrawText (this, font, x, y, realColorFG, alphaFG, 00110 realColorBG, alphaBG, text, flags); 00111 } 00112 else 00113 { 00114 csG2DDrawText<Tpixel, Tpixmixer, Tpixmixer, Tpixmixer>::DrawText ( 00115 this, font, x, y, realColorFG, alphaFG, realColorBG, alphaBG, text, 00116 flags); 00117 } 00118 } 00119 } 00120 }; 00121 00124 #endif // __CS_CSPLUGINCOMMON_CANVAS_SOFTFONTCACHEIMPL_H__
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