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utility.h

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00001 
00002 //
00003 // PocketHAL
00004 // Copyright 2004 by Thierry Tremblay
00005 //
00007 
00008 #ifndef POCKETHAL_UTIL_H
00009 #define POCKETHAL_UTIL_H
00010 
00011 #include <PocketHAL/surface.h>
00012 
00013 #undef DrawText     // Prevent conflict with win32's DrawText()
00014 
00015 
00016 
00017 namespace PHAL
00018 {
00019 
00021 //
00022 // Color constants
00023 //
00025 
00026 const uint16_t COLOR_BLACK      = 0x0000;
00027 const uint16_t COLOR_DARKGRAY   = 0x4208;
00028 const uint16_t COLOR_GRAY       = 0x8410;
00029 const uint16_t COLOR_LIGHTGRAY  = 0xC618;
00030 const uint16_t COLOR_WHITE      = 0xFFFF;
00031 
00032 const uint16_t COLOR_RED        = 0x1F << 11;
00033 const uint16_t COLOR_GREEN      = 0x3F << 5;
00034 const uint16_t COLOR_BLUE       = 0x1F;
00035 
00036 const uint16_t COLOR_YELLOW     = COLOR_RED | COLOR_GREEN;
00037 const uint16_t COLOR_PINK       = COLOR_RED | COLOR_BLUE;
00038 const uint16_t COLOR_CYAN       = COLOR_GREEN | COLOR_BLUE;
00039 
00040 
00041 
00043 //
00044 // Utility functions
00045 //
00047 
00048 // Clear the surface with the specified color
00049 void Clear( Surface* surface, uint16_t color );
00050 
00051 // Draw a character at the specified location
00052 // Return true on success or false if the character would be drawn outside the surface dimensions.
00053 bool DrawChar( Surface* surface, int x, int y, char character, uint16_t color = COLOR_WHITE );
00054 
00055 // Draw some text at the specified location
00056 void DrawText( Surface* surface, int x, int y, const char* text, uint16_t color = COLOR_WHITE );
00057 
00058 
00059 
00060 } // end of namespace PHAL
00061 
00062 
00063 
00064 #endif
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