50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
// BMP.h
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// extracts/inserts data from/into .bmp file
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// Adapted by Josh Holtrop from the original access_bmp.c by gw
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// Supports reading and creating 24-bit color BMP images
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#include <stdio.h>
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class BMP
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{
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public:
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typedef struct
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{
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char id[2];
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int file_size;
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int reserved;
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int offset;
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} __attribute__ ((packed)) header_t;
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typedef struct
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{
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int header_size;
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int width;
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int height;
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unsigned short int color_planes;
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unsigned short int color_depth;
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unsigned int compression;
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int image_size;
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int xresolution;
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int yresolution;
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int num_colors;
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int num_important_colors;
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} __attribute__ ((packed)) info_t;
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BMP(const char * fileName);
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BMP(const char * fileName, int width, int height, unsigned char * data);
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~BMP();
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void read(unsigned char * buf);
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int getWidth() { return m_info.width; }
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int getHeight() { return m_info.height; }
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private:
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FILE * m_fp;
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header_t m_header;
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info_t m_info;
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bool open(const char * fileName);
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bool create(const char * fileName, int width, int height, unsigned char * data);
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void close();
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};
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