source: svn/trunk/zas_dstar/build/bmpbin2src/bmp2src.c @ 2

#include "zlib.h"
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
        FILE *fp = fopen(argv[1], "rb");
        if (argc != 2 || fp==0) 
        {
                fprintf(stderr, "%s [filename]\n", argv[0]);
                return -1; // ÆÄÀÏÀÌ Á¸ÀçÇÏÁö ¾Ê´Â´Ù.
        }
        // ÆÄÀÏ »çÀÌÁ ±¸ÇÑ´Ù.
        fseek (fp , 0 , SEEK_END);
        long lSize = ftell (fp);
        rewind (fp);
        // ¸Þ¸ð¸®¸¦ ÇÒ´çÇÏ¿© Åë°·Î º¹»çÇÑ´Ù.
        unsigned char *raw = (unsigned char*)malloc(lSize);
        fread (raw, 1, lSize, fp);
        fclose(fp);
        // ¾ÐÃàµÇÁö ¾ÊÀº Ç¥ÁØ Æ÷¸ËÀ¸·Î º¯È¯ÇÑ´Ù.
        unsigned int nWidth = raw[18] + raw[19]*256;
        unsigned int nHeight = raw[22] + raw[23]*256;
        unsigned int nBuffWidth = ((nWidth+3)/4)*4; // BMP ÆÄÀÏÀº 4¹ÙÀÌÆ® ´ÜÀ§·Î ÁÙ Á¤·ÄµÇ¾î ÀÖ´Ù.
        int nMode = 0;
        int nBuffSize = nWidth*nHeight+5;
        unsigned char *buff = (unsigned char*)malloc(nBuffSize);
        buff[0] = nMode;
        buff[1] = raw[19];
        buff[2] = raw[18];
        buff[3] = raw[23];
        buff[4] = raw[22];
        unsigned char* tmp = &buff[5];
        int x = 0, y = 0;
        for (y = nHeight-1; y >= 0; y--)
        {
                int nPos = raw[10] + raw[11]*256 + y*nBuffWidth; // µ¥ÀÌÅÍ ½ÃÀÛ À§Ä¡
                for (x = 0; x < nWidth; x++)
                {
                        *tmp = raw[nPos];
                        tmp++;
                        nPos++;
                }
        }
        free(raw);
        // ¾ÐÃàÀ» Çغ»´Ù.
        if (nBuffSize > 20*100000)
        {
                // ¾ÐÃà ¹öÆÛ Áغñ
                long compressed_Size = nBuffSize*3;
                raw = (unsigned char*)malloc(compressed_Size);
                if (compress(raw, &compressed_Size, &buff[5], nWidth*nHeight) == 0) // ¾ÐÃ༺°ø
                {
                        if (compressed_Size < nBuffSize-8)
                        {
                                nBuffSize = compressed_Size + 8;
                                buff[0] = nMode = 1;
                                buff[5] = compressed_Size / (256*256); // 0xFFFFFF ±îÁö¸¦ ¾ÐÃàµÈ À̹ÌÁöÀÇ ÃÖ´ëÅ©±â·Î ÇÑ´Ù.
                                buff[6] = compressed_Size / (256);
                                buff[7] = compressed_Size % (256);
                                memcpy(&buff[8], raw, compressed_Size);
                        }
                }
                free(raw);
        }
        
        // ¹è¿­ À̸§À» °áÁ¤ÇÑ´Ù.
        int nNameStart = 0;
        int i = 0;
        int nStrLen = (int)strlen(argv[1]);
        for (i = 0 ; i < nStrLen; i++)
        {
                if (argv[1][i] == '/') nNameStart =i+1;
                if (argv[1][i] == '.') argv[1][i] = 0;
        }
        printf("const unsigned char %s[%d] = {", &argv[1][nNameStart], nBuffSize);
        // À̹ÌÁö ¹è¿­À» Àû´Â´Ù.
        for (i = 0; i < nBuffSize; i++)
        {
                if (i%8 == 0) printf("\n\t");
                printf("0x%02X, ",buff[i]);
        }
        printf("\n};\n");
        // À̹ÌÁö ¹è¿­ ´Ý±â
        free(buff);
  return 0;
}