LCD LIB
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Diff: Bitmap.h
- Revision:
- 31:c72e12cd5c67
- Child:
- 32:0e4f2ae512e2
diff -r e0f2da88bdf6 -r c72e12cd5c67 Bitmap.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Bitmap.h Mon Jan 20 19:19:48 2014 +0000 @@ -0,0 +1,83 @@ +// +// Windows BMP file definitions. +// +// Adapted from code written by Michael Sweet from Paul Bourke's +// web site: http://paulbourke.net/dataformats/bmp/ +// + +#ifndef _BITMAP_H_ +#define _BITMAP_H_ + +#include <mbed.h> + +// BITMAPFILEHEADER +// BITMAPINFOHEADER +// Optional Palette +// Raw Data + +// +// Bitmap file data structures +// +#pragma push +#pragma pack(2) + +typedef struct /**** BMP file header structure ****/ + { + uint16_t bfType; /* Magic number for file */ + uint32_t bfSize; /* Size of file */ + uint16_t bfReserved1; /* Reserved */ + uint16_t bfReserved2; /* ... */ + uint32_t bfOffBits; /* Offset to bitmap data */ + } BITMAPFILEHEADER; + +#define BF_TYPE 0x4D42 /* "MB" */ + +typedef struct /**** BMP file info structure ****/ + { + uint32_t biSize; /* Size of info header */ + uint32_t biWidth; /* Width of image */ + uint32_t biHeight; /* Height of image */ + uint16_t biPlanes; /* Number of color planes */ + uint16_t biBitCount; /* Number of bits per pixel */ + uint32_t biCompression; /* Type of compression to use */ + uint32_t biSizeImage; /* Size of image data */ + int32_t biXPelsPerMeter; /* X pixels per meter */ + int32_t biYPelsPerMeter; /* Y pixels per meter */ + uint32_t biClrUsed; /* Number of colors used */ + uint32_t biClrImportant; /* Number of important colors */ + } BITMAPINFOHEADER; +#pragma pop + +/* + * Constants for the biCompression field... + */ + +# define BI_RGB 0 /* No compression - straight BGR data */ +# define BI_RLE8 1 /* 8-bit run-length compression */ +# define BI_RLE4 2 /* 4-bit run-length compression */ +# define BI_BITFIELDS 3 /* RGB bitmap with RGB masks */ + +typedef struct /**** Colormap entry structure ****/ + { + uint8_t rgbBlue; /* Blue value */ + uint8_t rgbGreen; /* Green value */ + uint8_t rgbRed; /* Red value */ + uint8_t rgbReserved; /* Reserved */ + } RGBQUAD; + +typedef struct /**** Bitmap information structure ****/ + { + BITMAPINFOHEADER bmiHeader; /* Image header */ + RGBQUAD bmiColors[256]; /* Image colormap */ + } BITMAPINFO; + + +/* + * Prototypes... + */ + +//extern GLubyte *LoadDIBitmap(const char *filename, BITMAPINFO **info); +//extern int32_t SaveDIBitmap(const char *filename, BITMAPINFO *info, +// GLubyte *bits); + +#endif // _BITMAP_H_