bmp转十六进制hex样例

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// $  xxd -i logo.bmp logo.h#include <stdio.h>//TO_DO ++++++++unsigned char logo_bmp[] = {  0x42, 0x4d, 0xde, 0xc9, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00,  0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x86, 0x00, 0x00, 0x00, 0x22, 0x01,  0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,...0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};unsigned int logo_bmp_len = 117214;//bmp width, heightint bytes_per_bpp = 3;int bmp_width = 134;int bmp_height = 290;unsigned int file_len = 117214;unsigned char *bmp_file_data = logo_bmp;#define REVERT_BMP  1   //revert the bmp: 1, don't revert: 0//TO_DO  --------/*bmp文件的前部是文件头信息,aboot中画图不需要这些 * 1 删除文件头信息, *  * 以 24bit bmp: 134X290 为例 * 图片每一行134个像素,每个像素3个字节,所以每一行是134*3 == 402个字节, * bmp会在每一行的最后添加两个字节对齐。 * aboot中要用这个图片的话, * 2.要把每行最后的两个对齐字节删除 *  * 每行最后的两个字节删除以后 * 因为bmp本身的图片是倒的, * 3.反转整张图 *  * 反转整张图以后,R和B也互换了,导致颜色不对 * R、G、B各占一个字节, * 4.这里是使其中的R 和 B互换。 *  * 所以,如果把拿到手的图片先在windows上做一下180度的旋转, * 应该可以省略步骤3和4,把上面的 REVERT_BMP 设定为0 即可。 */int main(){unsigned int i = 0;unsigned int j = 0;unsigned int bmp_info_len = 0;unsigned int temp = 0;unsigned int actual_data_len = 0;unsigned char result_arry[file_len];unsigned char result_arry2[file_len];unsigned int data_bytes_per_row = (bmp_width*bytes_per_bpp);unsigned int total_bytes_per_row = 0;unsigned int null_bytes_per_row = 0;unsigned int array_len = 0; if(data_bytes_per_row%4 != 0){null_bytes_per_row = 4-data_bytes_per_row%4;}total_bytes_per_row = data_bytes_per_row + null_bytes_per_row;//total bytes per rowbmp_info_len = file_len - total_bytes_per_row*bmp_height;//bmp file info len,or len to deleteprintf("file_len:---------------> %d \n",file_len);printf("bmp_info_len:-----------> %d \nnull_bytes_per_row:-----> %d\n",bmp_info_len,null_bytes_per_row);//1 删除文件头信息,for(i=bmp_info_len,j=0;i<file_len;i++,j++){result_arry2[j] = bmp_file_data[i];}array_len = j;printf("step 1 over.\n");printf("data total_bytes:-------> %d \n",file_len-bmp_info_len);printf("total_bytes_per_row:----> %d \n",total_bytes_per_row);//in data <-- bmp_file_data[..]//2.删除每行最后的若干个字节,存于result_arry2for(i=1,j=0;i<=array_len;i++){//delete null data at the end of row result_arry[j] = result_arry2[i-1];j++;if(i%total_bytes_per_row==0){j -= null_bytes_per_row;}}// out data to -->result_arry[..]printf("step 2 over.\n");array_len = j;#if REVERT_BMP//3.这里是反转整张图for(i=0,j=0;i<array_len;i++,j++){result_arry2[j] = result_arry[array_len-i-1];}printf("step 3 over.\n");//in data <-- result_arry[..]//4. R、G、B各占一个字节,这里是使其中的R 和 B互换。for(i=0,j=0;i<array_len;){result_arry[j] = result_arry2[i+2];result_arry[j+1] = result_arry2[i+1];result_arry[j+2] = result_arry2[i];i += 3;j += 3;}printf("step 4 over.\n");#endifprintf("actual data array_len:---> %d \n",array_len);FILE* fout = fopen("resutfile.h","w+");if (fout == NULL) {printf("Failed to open\n");return;}for (i=0;i<array_len;){fprintf(fout,"0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, \n",result_arry[i],result_arry[i+1],result_arry[i+2],result_arry[i+3],result_arry[i+4],result_arry[i+5],result_arry[i+6],result_arry[i+7],result_arry[i+8],result_arry[i+9],result_arry[i+10],result_arry[i+11]);i +=12;}if (fclose(fout) != 0) {printf("Failed to close \n");return;}}

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