Basic alpha-blending

[hackover2013-badge-firmware.git] / drivers / displays / tft / aafonts.h

diff --git a/drivers/displays/tft/aafonts.h b/drivers/displays/tft/aafonts.h
index f76d35a..7d0ec34 100644 (file)
--- a/drivers/displays/tft/aafonts.h
+++ b/drivers/displays/tft/aafonts.h
@@ -64,16 +64,13 @@ typedef struct aafontsFont_s
   const aafontsCharInfo_t *charTable;   /* Pointer to the aafontsCharInfo_t array containing the char data */
 } aafontsFont_t;
 
-// Common color lookup tables for AA2 (4-color anti-aliased) fonts
-const uint16_t COLORTABLE_AA2_WHITEONBLACK[4] = { 0x0000, 0x52AA, 0xAD55, 0xFFFF};
-const uint16_t COLORTABLE_AA2_BLACKONWHITE[4] = { 0xFFFF, 0xAD55, 0x52AA, 0x0000};
+extern const uint16_t COLORTABLE_AA2_WHITEONBLACK[4];
+extern const uint16_t COLORTABLE_AA2_BLACKONWHITE[4];
+extern const uint16_t COLORTABLE_AA4_WHITEONBLACK[16];
+extern const uint16_t COLORTABLE_AA4_BLACKONWHITE[16];
 
-// Common color lookup tables for AA4 (16-color anti-aliased) fonts
-const uint16_t COLORTABLE_AA4_WHITEONBLACK[16] = { 0x0000, 0x1082, 0x2104, 0x3186, 0x4208, 0x528A, 0x630C, 0x738E, 0x8410, 0x9492, 0xA514, 0xB596, 0xC618, 0xD69A, 0xE71C, 0xFFFF};
-const uint16_t COLORTABLE_AA4_BLACKONWHITE[16] = { 0xFFFF, 0xE71C, 0xD69A, 0xC618, 0xB596, 0xA514, 0x9492, 0x8410, 0x738E, 0x630C, 0x528A, 0x4208, 0x3186, 0x2104, 0x1082, 0x0000};
-
-uint16_t  aafontsBlendColor ( uint16_t bgColor, uint16_t foreColor, uint8_t intensity );
-void      aafontsDrawString( uint16_t x, uint16_t y, const uint16_t * colorTable, const aafontsFont_t *font, char *str );
-uint16_t  aafontsGetStringWidth( const aafontsFont_t *font, char *str );
+void      aafontsDrawString ( uint16_t x, uint16_t y, const uint16_t * colorTable, const aafontsFont_t *font, char *str );
+uint16_t  aafontsGetStringWidth ( const aafontsFont_t *font, char *str );
+void      aafontsCalculateColorTable ( uint16_t bgColor, uint16_t foreColor, uint16_t *colorTable, size_t tableSize );
 
 #endif