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test
Dependencies: GR-PEACH_video USBHost USBHost_custom
Fork of GR-PEACH_Camera_in by
bitmap.h@4:23d1c6e5bca2, 2017-04-18 (annotated)
- Committer:
- ymichimoto
- Date:
- Tue Apr 18 05:34:33 2017 +0000
- Revision:
- 4:23d1c6e5bca2
- Parent:
- 0:2f1caf4ce924
test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dkato | 0:2f1caf4ce924 | 1 | /** @file bitmap.h */ |
dkato | 0:2f1caf4ce924 | 2 | #include "mbed.h" |
dkato | 0:2f1caf4ce924 | 3 | |
dkato | 0:2f1caf4ce924 | 4 | /** A class to communicate a bitmap |
dkato | 0:2f1caf4ce924 | 5 | * |
dkato | 0:2f1caf4ce924 | 6 | */ |
dkato | 0:2f1caf4ce924 | 7 | class bitmap { |
dkato | 0:2f1caf4ce924 | 8 | public: |
dkato | 0:2f1caf4ce924 | 9 | |
dkato | 0:2f1caf4ce924 | 10 | /** convert RGB888 to bitmap |
dkato | 0:2f1caf4ce924 | 11 | * |
dkato | 0:2f1caf4ce924 | 12 | * @param file_name save file name |
dkato | 0:2f1caf4ce924 | 13 | * @param buf data buffer address |
dkato | 0:2f1caf4ce924 | 14 | * @param pic_width picture width |
dkato | 0:2f1caf4ce924 | 15 | * @param pic_height picture height |
dkato | 0:2f1caf4ce924 | 16 | * @return save data size |
dkato | 0:2f1caf4ce924 | 17 | */ |
dkato | 0:2f1caf4ce924 | 18 | int Rgb888ToBmp(char * file_name, uint8_t * buf, unsigned long pic_width, unsigned long pic_height) { |
dkato | 0:2f1caf4ce924 | 19 | unsigned long offset_size = 54; |
dkato | 0:2f1caf4ce924 | 20 | unsigned long buf_stride = (((pic_width * 4u) + 31u) & ~31u); |
dkato | 0:2f1caf4ce924 | 21 | unsigned long pic_size = buf_stride * pic_height; |
dkato | 0:2f1caf4ce924 | 22 | unsigned long file_size = 0; |
dkato | 0:2f1caf4ce924 | 23 | int save_file_size = 0; |
dkato | 0:2f1caf4ce924 | 24 | int write_index = (buf_stride * pic_height) - buf_stride; |
dkato | 0:2f1caf4ce924 | 25 | unsigned long cnt; |
dkato | 0:2f1caf4ce924 | 26 | uint8_t wk_bitmap_buf[16]; |
dkato | 0:2f1caf4ce924 | 27 | FILE * fp = fopen(file_name, "w"); |
dkato | 0:2f1caf4ce924 | 28 | |
dkato | 0:2f1caf4ce924 | 29 | if (fp != NULL) { |
dkato | 0:2f1caf4ce924 | 30 | file_size = pic_size + offset_size; |
dkato | 0:2f1caf4ce924 | 31 | |
dkato | 0:2f1caf4ce924 | 32 | /* BITMAPFILEHEADER */ |
dkato | 0:2f1caf4ce924 | 33 | wk_bitmap_buf[0] = 'B'; |
dkato | 0:2f1caf4ce924 | 34 | wk_bitmap_buf[1] = 'M'; |
dkato | 0:2f1caf4ce924 | 35 | wk_bitmap_buf[2] = (unsigned char)(file_size >> 0); /* bfSize */ |
dkato | 0:2f1caf4ce924 | 36 | wk_bitmap_buf[3] = (unsigned char)(file_size >> 8); /* bfSize */ |
dkato | 0:2f1caf4ce924 | 37 | wk_bitmap_buf[4] = (unsigned char)(file_size >> 16); /* bfSize */ |
dkato | 0:2f1caf4ce924 | 38 | wk_bitmap_buf[5] = (unsigned char)(file_size >> 24); /* bfSize */ |
dkato | 0:2f1caf4ce924 | 39 | wk_bitmap_buf[6] = 0; /* bfReserved1 */ |
dkato | 0:2f1caf4ce924 | 40 | wk_bitmap_buf[7] = 0; /* bfReserved1 */ |
dkato | 0:2f1caf4ce924 | 41 | wk_bitmap_buf[8] = 0; /* bfReserved2 */ |
dkato | 0:2f1caf4ce924 | 42 | wk_bitmap_buf[9] = 0; /* bfReserved2 */ |
dkato | 0:2f1caf4ce924 | 43 | wk_bitmap_buf[10] = (unsigned char)(offset_size >> 0); /* bfOffBits */ |
dkato | 0:2f1caf4ce924 | 44 | wk_bitmap_buf[11] = (unsigned char)(offset_size >> 8); /* bfOffBits */ |
dkato | 0:2f1caf4ce924 | 45 | wk_bitmap_buf[12] = (unsigned char)(offset_size >> 16); /* bfOffBits */ |
dkato | 0:2f1caf4ce924 | 46 | wk_bitmap_buf[13] = (unsigned char)(offset_size >> 24); /* bfOffBits */ |
dkato | 0:2f1caf4ce924 | 47 | fwrite(wk_bitmap_buf, sizeof(char), 14, fp); |
dkato | 0:2f1caf4ce924 | 48 | |
dkato | 0:2f1caf4ce924 | 49 | /* BITMAPINFOHEADER */ |
dkato | 0:2f1caf4ce924 | 50 | wk_bitmap_buf[0] = 40; /* biSize */ |
dkato | 0:2f1caf4ce924 | 51 | wk_bitmap_buf[1] = 0; /* biSize */ |
dkato | 0:2f1caf4ce924 | 52 | wk_bitmap_buf[2] = 0; /* biSize */ |
dkato | 0:2f1caf4ce924 | 53 | wk_bitmap_buf[3] = 0; /* biSize */ |
dkato | 0:2f1caf4ce924 | 54 | wk_bitmap_buf[4] = (unsigned char)(pic_width >> 0); /* biWidth */ |
dkato | 0:2f1caf4ce924 | 55 | wk_bitmap_buf[5] = (unsigned char)(pic_width >> 8); /* biWidth */ |
dkato | 0:2f1caf4ce924 | 56 | wk_bitmap_buf[6] = (unsigned char)(pic_width >> 16); /* biWidth */ |
dkato | 0:2f1caf4ce924 | 57 | wk_bitmap_buf[7] = (unsigned char)(pic_width >> 24); /* biWidth */ |
dkato | 0:2f1caf4ce924 | 58 | wk_bitmap_buf[8] = (unsigned char)(pic_height >> 0); /* biHeight */ |
dkato | 0:2f1caf4ce924 | 59 | wk_bitmap_buf[9] = (unsigned char)(pic_height >> 8); /* biHeight */ |
dkato | 0:2f1caf4ce924 | 60 | wk_bitmap_buf[10] = (unsigned char)(pic_height >> 16); /* biHeight */ |
dkato | 0:2f1caf4ce924 | 61 | wk_bitmap_buf[11] = (unsigned char)(pic_height >> 24); /* biHeight */ |
dkato | 0:2f1caf4ce924 | 62 | wk_bitmap_buf[12] = 1; /* biPlanes */ |
dkato | 0:2f1caf4ce924 | 63 | wk_bitmap_buf[13] = 0; /* biPlanes */ |
dkato | 0:2f1caf4ce924 | 64 | wk_bitmap_buf[14] = 32; /* biBitCount */ |
dkato | 0:2f1caf4ce924 | 65 | wk_bitmap_buf[15] = 0; /* biBitCount */ |
dkato | 0:2f1caf4ce924 | 66 | fwrite(wk_bitmap_buf, sizeof(char), 16, fp); |
dkato | 0:2f1caf4ce924 | 67 | |
dkato | 0:2f1caf4ce924 | 68 | wk_bitmap_buf[0] = 0; /* biCopmression */ |
dkato | 0:2f1caf4ce924 | 69 | wk_bitmap_buf[1] = 0; /* biCopmression */ |
dkato | 0:2f1caf4ce924 | 70 | wk_bitmap_buf[2] = 0; /* biCopmression */ |
dkato | 0:2f1caf4ce924 | 71 | wk_bitmap_buf[3] = 0; /* biCopmression */ |
dkato | 0:2f1caf4ce924 | 72 | wk_bitmap_buf[4] = (unsigned char)(pic_size >> 0); /* biSizeImage */ |
dkato | 0:2f1caf4ce924 | 73 | wk_bitmap_buf[5] = (unsigned char)(pic_size >> 8); /* biSizeImage */ |
dkato | 0:2f1caf4ce924 | 74 | wk_bitmap_buf[6] = (unsigned char)(pic_size >> 16); /* biSizeImage */ |
dkato | 0:2f1caf4ce924 | 75 | wk_bitmap_buf[7] = (unsigned char)(pic_size >> 24); /* biSizeImage */ |
dkato | 0:2f1caf4ce924 | 76 | wk_bitmap_buf[8] = 0; /* biXPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 77 | wk_bitmap_buf[9] = 0; /* biXPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 78 | wk_bitmap_buf[10] = 0; /* biXPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 79 | wk_bitmap_buf[11] = 0; /* biXPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 80 | wk_bitmap_buf[12] = 0; /* biYPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 81 | wk_bitmap_buf[13] = 0; /* biYPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 82 | wk_bitmap_buf[14] = 0; /* biYPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 83 | wk_bitmap_buf[15] = 0; /* biYPixPerMeter */ |
dkato | 0:2f1caf4ce924 | 84 | fwrite(wk_bitmap_buf, sizeof(char), 16, fp); |
dkato | 0:2f1caf4ce924 | 85 | |
dkato | 0:2f1caf4ce924 | 86 | wk_bitmap_buf[0] = 0; /* biClrUsed */ |
dkato | 0:2f1caf4ce924 | 87 | wk_bitmap_buf[1] = 0; /* biClrUsed */ |
dkato | 0:2f1caf4ce924 | 88 | wk_bitmap_buf[2] = 0; /* biClrUsed */ |
dkato | 0:2f1caf4ce924 | 89 | wk_bitmap_buf[3] = 0; /* biClrUsed */ |
dkato | 0:2f1caf4ce924 | 90 | wk_bitmap_buf[4] = 0; /* biCirImportant */ |
dkato | 0:2f1caf4ce924 | 91 | wk_bitmap_buf[5] = 0; /* biCirImportant */ |
dkato | 0:2f1caf4ce924 | 92 | wk_bitmap_buf[6] = 0; /* biCirImportant */ |
dkato | 0:2f1caf4ce924 | 93 | wk_bitmap_buf[7] = 0; /* biCirImportant */ |
dkato | 0:2f1caf4ce924 | 94 | fwrite(wk_bitmap_buf, sizeof(char), 8, fp); |
dkato | 0:2f1caf4ce924 | 95 | |
dkato | 0:2f1caf4ce924 | 96 | save_file_size = 54; |
dkato | 0:2f1caf4ce924 | 97 | for (cnt = 0; cnt < pic_height; cnt ++) { |
dkato | 0:2f1caf4ce924 | 98 | save_file_size += fwrite(&buf[write_index], sizeof(char), buf_stride, fp); |
dkato | 0:2f1caf4ce924 | 99 | write_index -= buf_stride; |
dkato | 0:2f1caf4ce924 | 100 | } |
dkato | 0:2f1caf4ce924 | 101 | fclose(fp); |
dkato | 0:2f1caf4ce924 | 102 | } |
dkato | 0:2f1caf4ce924 | 103 | |
dkato | 0:2f1caf4ce924 | 104 | return (int)save_file_size; |
dkato | 0:2f1caf4ce924 | 105 | }; |
dkato | 0:2f1caf4ce924 | 106 | }; |