40 static inline int8_t read_int8(uint8_t *data, unsigned int o) {  in read_int8()  argument
41         return (int8_t) data[o];  in read_int8()
45 static inline uint8_t read_uint8(uint8_t *data, unsigned int o) {  in read_uint8()  argument
46         return (uint8_t) data[o];  in read_uint8()
49 static inline int16_t read_int16(uint8_t *data, unsigned int o) {  in read_int16()  argument
50         return (int16_t) (data[o] | (data[o+1] << 8));  in read_int16()
53 static inline uint16_t read_uint16(uint8_t *data, unsigned int o) {  in read_uint16()  argument
54         return (uint16_t) (data[o] | (data[o+1] << 8));  in read_uint16()
57 static inline int32_t read_int32(uint8_t *data, unsigned int o) {  in read_int32()  argument
58         return (int32_t) ((unsigned)data[o] |  in read_int32()
59 			  ((unsigned)data[o+1] << 8) |  in read_int32()
60 			  ((unsigned)data[o+2] << 16) |  in read_int32()
61 			  ((unsigned)data[o+3] << 24));  in read_int32()
64 static inline uint32_t read_uint32(uint8_t *data, unsigned int o) {  in read_uint32()  argument
65         return (uint32_t) ((unsigned)data[o] |  in read_uint32()
66                            ((unsigned)data[o+1] << 8) |  in read_uint32()
67                            ((unsigned)data[o+2] << 16) |  in read_uint32()
68                            ((unsigned)data[o+3] << 24));  in read_uint32()
75 static bmp_result bmp_info_header_parse(bmp_image *bmp, uint8_t *data)  in bmp_info_header_parse()  argument
89         header_size = read_uint32(data, 0);  in bmp_info_header_parse()
108                 width = read_int16(data, 4);  in bmp_info_header_parse()
109                 height = read_int16(data, 6);  in bmp_info_header_parse()
133                 if (read_uint16(data, 8) != 1)  in bmp_info_header_parse()
135                 bmp->bpp = read_uint16(data, 10);  in bmp_info_header_parse()
185                 width = read_int32(data, 4);  in bmp_info_header_parse()
186                 height = read_int32(data, 8);  in bmp_info_header_parse()
214                 if (read_uint16(data, 12) != 1)  in bmp_info_header_parse()
216                 bmp->bpp = read_uint16(data, 14);  in bmp_info_header_parse()
219                 bmp->encoding = read_uint32(data, 16);  in bmp_info_header_parse()
264                                         bmp->mask[i] = read_uint32(data, 40 + (i << 2));  in bmp_info_header_parse()
269                                         bmp->mask[i] = read_uint32(data, 40 + (i << 2));  in bmp_info_header_parse()
285                 bmp->colours = read_uint32(data, 32);  in bmp_info_header_parse()
290         data += header_size;  in bmp_info_header_parse()
319                         uint32_t colour = data[2] | (data[1] << 8) | (data[0] << 16);  in bmp_info_header_parse()
322                         data += palette_size;  in bmp_info_header_parse()
331                 if ((bmp->bitmap_offset < (uint32_t)(data - bmp->bmp_data)) &&  in bmp_info_header_parse()
332                     ((bmp->buffer_size - (data - bmp->bmp_data)) > 0)) {  in bmp_info_header_parse()
333                         bmp->bitmap_offset = data - bmp->bmp_data;  in bmp_info_header_parse()
350                 bmp->bitmap_offset = (uintptr_t)data - (uintptr_t)bmp->bmp_data;  in bmp_info_header_parse()
362 static bmp_result bmp_file_header_parse(bmp_image *bmp, uint8_t *data)  in bmp_file_header_parse()  argument
375         if ((data[0] != (uint8_t)'B') || (data[1] != (uint8_t)'M'))  in bmp_file_header_parse()
378         bmp->bitmap_offset = read_uint32(data, 10);  in bmp_file_header_parse()
412 static bmp_result ico_header_parse(ico_collection *ico, uint8_t *data)  in ico_header_parse()  argument
428         if (read_uint16(data, 2) != 0x0001)  in ico_header_parse()
430         count = read_uint16(data, 4);  in ico_header_parse()
433         data += ICO_FILE_HEADER_SIZE;  in ico_header_parse()
460                 image->bmp.width = read_uint8(data, 0);  in ico_header_parse()
463                 image->bmp.height = read_uint8(data, 1);  in ico_header_parse()
466                 image->bmp.buffer_size = read_uint32(data, 8);  in ico_header_parse()
467                 image->bmp.bmp_data = ico->ico_data + read_uint32(data, 12);  in ico_header_parse()
472                 data += ICO_DIR_ENTRY_SIZE;  in ico_header_parse()
482                     ico->buffer_size - (ico->ico_data - data))  in ico_header_parse()
514         uint8_t *top, *bottom, *end, *data;  in bmp_decode_rgb32()  local
521         data = *start;  in bmp_decode_rgb32()
527         end = data + bytes;  in bmp_decode_rgb32()
532                 if ((data + 4) > end)  in bmp_decode_rgb32()
535                         bmp->transparent_index = read_uint32(data, 0);  in bmp_decode_rgb32()
537                         bmp->transparent_index = data[2] | (data[1] << 8) | (data[0] << 16);  in bmp_decode_rgb32()
541                 if ((data + (4 * bmp->width)) > end)  in bmp_decode_rgb32()
549                                 word = read_uint32(data, 0);  in bmp_decode_rgb32()
558                                 data += 4;  in bmp_decode_rgb32()
563                                 scanline[x] = data[2] | (data[1] << 8) | (data[0] << 16);  in bmp_decode_rgb32()
570                                         scanline[x] |= (unsigned)data[3] << 24;  in bmp_decode_rgb32()
572                                 data += 4;  in bmp_decode_rgb32()
577         *start = data;  in bmp_decode_rgb32()
594         uint8_t *top, *bottom, *end, *data;  in bmp_decode_rgb24()  local
600         data = *start;  in bmp_decode_rgb24()
608         end = data + bytes;  in bmp_decode_rgb24()
609         addr = ((uintptr_t)data) & 3;  in bmp_decode_rgb24()
614                 if ((data + 3) > end) {  in bmp_decode_rgb24()
618                 bmp->transparent_index = data[2] | (data[1] << 8) | (data[0] << 16);  in bmp_decode_rgb24()
622                 if ((data + (3 * bmp->width)) > end) {  in bmp_decode_rgb24()
633                         scanline[x] = data[2] | (data[1] << 8) | (data[0] << 16);  in bmp_decode_rgb24()
639                         data += 3;  in bmp_decode_rgb24()
643                 while (addr != (((uintptr_t)data) & 3)) {  in bmp_decode_rgb24()
644                         data++;  in bmp_decode_rgb24()
647         *start = data;  in bmp_decode_rgb24()
664         uint8_t *top, *bottom, *end, *data;  in bmp_decode_rgb16()  local
671         data = *start;  in bmp_decode_rgb16()
677         end = data + bytes;  in bmp_decode_rgb16()
678         addr = ((uintptr_t)data) & 3;  in bmp_decode_rgb16()
683                 if ((data + 2) > end)  in bmp_decode_rgb16()
685                 bmp->transparent_index = read_uint16(data, 0);  in bmp_decode_rgb16()
689                 if ((data + (2 * bmp->width)) > end)  in bmp_decode_rgb16()
697                                 word = read_uint16(data, 0);  in bmp_decode_rgb16()
710                                 data += 2;  in bmp_decode_rgb16()
715                                 word = read_uint16(data, 0);  in bmp_decode_rgb16()
726                                 data += 2;  in bmp_decode_rgb16()
730                 while (addr != (((uintptr_t)data) & 3))  in bmp_decode_rgb16()
731                         data += 2;  in bmp_decode_rgb16()
733         *start = data;  in bmp_decode_rgb16()
750         uint8_t *top, *bottom, *end, *data;  in bmp_decode_rgb()  local
762         data = *start;  in bmp_decode_rgb()
768         end = data + bytes;  in bmp_decode_rgb()
769         addr = ((uintptr_t)data) & 3;  in bmp_decode_rgb()
774                 uint32_t idx = (*data >> bit_shifts[0]) & bit_mask;  in bmp_decode_rgb()
782                 if ((data + ((bmp->width + ppb - 1) / ppb)) > end)  in bmp_decode_rgb()
792                                 cur_byte = *data++;  in bmp_decode_rgb()
804                 while (addr != (((uintptr_t)data) & 3))  in bmp_decode_rgb()
805                         data++;  in bmp_decode_rgb()
807         *start = data;  in bmp_decode_rgb()
820 static bmp_result bmp_decode_mask(bmp_image *bmp, uint8_t *data, int bytes)  in bmp_decode_mask()  argument
833         end = data + bytes;  in bmp_decode_mask()
835         addr = ((uintptr_t)data) & 3;  in bmp_decode_mask()
838                 if ((data + (bmp->width >> 3)) > end)  in bmp_decode_mask()
843                                 cur_byte = *data++;  in bmp_decode_mask()
853                 while (addr != (((uintptr_t)data) & 3))  in bmp_decode_mask()
854                         data++;  in bmp_decode_mask()
871 bmp_decode_rle8(bmp_image *bmp, uint8_t *data, int bytes)  in bmp_decode_rle8()  argument
888         end = data + bytes;  in bmp_decode_rle8()
892                 if (data + 2 > end)  in bmp_decode_rle8()
894                 length = *data++;  in bmp_decode_rle8()
896                         length = *data++;  in bmp_decode_rle8()
915                                 if (data + 2 > end)  in bmp_decode_rle8()
917                                 x += *data++;  in bmp_decode_rle8()
920                                 y += *data++;  in bmp_decode_rle8()
936                                 if (data + length > end)  in bmp_decode_rle8()
944                                         uint32_t idx = (uint32_t) *data++;  in bmp_decode_rle8()
961                                 if ((length & 1) && (*data++ != 0x00))  in bmp_decode_rle8()
981                         if (data + 1 > end)  in bmp_decode_rle8()
988                         idx = (uint32_t) *data++;  in bmp_decode_rle8()
1008         } while (data < end);  in bmp_decode_rle8()
1025 bmp_decode_rle4(bmp_image *bmp, uint8_t *data, int bytes)  in bmp_decode_rle4()  argument
1042         end = data + bytes;  in bmp_decode_rle4()
1046                 if (data + 2 > end)  in bmp_decode_rle4()
1048                 length = *data++;  in bmp_decode_rle4()
1050                         length = *data++;  in bmp_decode_rle4()
1069                                 if (data + 2 > end)  in bmp_decode_rle4()
1071                                 x += *data++;  in bmp_decode_rle4()
1074                                 y += *data++;  in bmp_decode_rle4()
1090                                 if (data + ((length + 1) / 2) > end)  in bmp_decode_rle4()
1112                                                 pixel = *data++;  in bmp_decode_rle4()
1126                                 if ((length & 1) && (*data++ != 0x00))  in bmp_decode_rle4()
1144                         if (data + 1 > end)  in bmp_decode_rle4()
1152                         pixel2 = *data++;  in bmp_decode_rle4()
1177         } while (data < end);  in bmp_decode_rle4()
1209 bmp_result bmp_analyse(bmp_image *bmp, size_t size, uint8_t *data)  in bmp_analyse()  argument
1220         bmp->bmp_data = data;  in bmp_analyse()
1222         res = bmp_file_header_parse(bmp, data);  in bmp_analyse()
1224                 res = bmp_info_header_parse(bmp, data + BMP_FILE_HEADER_SIZE);  in bmp_analyse()
1231 bmp_result ico_analyse(ico_collection *ico, size_t size, uint8_t *data)  in ico_analyse()  argument
1239         ico->ico_data = data;  in ico_analyse()
1241         return ico_header_parse(ico, data);  in ico_analyse()
1248         uint8_t *data;  in bmp_decode()  local
1252         data = bmp->bmp_data + bmp->bitmap_offset;  in bmp_decode()
1259                         result = bmp_decode_rgb32(bmp, &data, bytes);  in bmp_decode()
1263                         result = bmp_decode_rgb24(bmp, &data, bytes);  in bmp_decode()
1267                         result = bmp_decode_rgb16(bmp, &data, bytes);  in bmp_decode()
1271                         result = bmp_decode_rgb(bmp, &data, bytes);  in bmp_decode()
1277                 result = bmp_decode_rle8(bmp, data, bytes);  in bmp_decode()
1281                 result = bmp_decode_rle4(bmp, data, bytes);  in bmp_decode()
1287                         result = bmp_decode_rgb32(bmp, &data, bytes);  in bmp_decode()
1291                         result = bmp_decode_rgb16(bmp, &data, bytes);  in bmp_decode()
1303                 bytes = (uintptr_t)bmp->bmp_data + bmp->buffer_size - (uintptr_t)data;  in bmp_decode()
1304                 result = bmp_decode_mask(bmp, data, bytes);  in bmp_decode()