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fontrenderer: Rework rendering for better font presentation

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- For the correct use of the changes should be built freetype
   with the following settings:
     #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING
     #define TT_CONFIG_OPTION_SUBPIXEL_HINTING

BS-Patch for freetype 2.5-2.7
-----------------------------
** include/freetype/config/ftoption.h **

-/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
+#define FT_CONFIG_OPTION_SUBPIXEL_RENDERING

-/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING */
+#define TT_CONFIG_OPTION_SUBPIXEL_HINTING

BS-Patch for freetype 2.7.1
---------------------------
** include/freetype/config/ftoption.h **

-/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
+#define FT_CONFIG_OPTION_SUBPIXEL_RENDERING
This commit is contained in:
M. Liebmann
2017-01-24 22:33:20 +01:00
parent 4a288240f2
commit 97d1d93c93
3 changed files with 79 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/driver/fontrenderer.h
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@@ -3,6 +3,7 @@
Copyright (C) 2001 Steffen Hehn 'McClean'
Copyright (C) 2003 thegoodguy
Copyright (C) 2013-2017 M. Liebmann (micha-bbg)
License: GPL
@@ -54,8 +55,12 @@ class Font
int height,DigitHeight,DigitOffset,ascender,descender,upper,lower;
int fontwidth;
int maxdigitwidth;
uint8_t fg_red, fg_green, fg_blue;
fb_pixel_t colors[256];
bool useFullBG;
inline void paintFontPixel(fb_pixel_t *td, uint8_t fg_red, uint8_t fg_green, uint8_t fg_blue, int faktor, uint8_t index);
inline int int_min(int a, int b) { return (a < b) ? a : b; }
inline void paintFontPixel(fb_pixel_t *td, uint8_t src);
public:
enum fontmodifier