diff options
Diffstat (limited to 'core/src/fxcodec/lbmp')
-rw-r--r-- | core/src/fxcodec/lbmp/fx_bmp.cpp | 364 | ||||
-rw-r--r-- | core/src/fxcodec/lbmp/fx_bmp.h | 63 |
2 files changed, 204 insertions, 223 deletions
diff --git a/core/src/fxcodec/lbmp/fx_bmp.cpp b/core/src/fxcodec/lbmp/fx_bmp.cpp index 2a0e227e46..07e83a1618 100644 --- a/core/src/fxcodec/lbmp/fx_bmp.cpp +++ b/core/src/fxcodec/lbmp/fx_bmp.cpp @@ -13,30 +13,32 @@ namespace { const size_t kBmpCoreHeaderSize = 12; const size_t kBmpInfoHeaderSize = 40; -} // namespace - -FX_DWORD _GetDWord_LSBFirst(uint8_t* p) { +// TODO(thestig): Replace with FXDWORD_GET_LSBFIRST? +FX_DWORD GetDWord_LSBFirst(uint8_t* p) { return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); } -FX_WORD _GetWord_LSBFirst(uint8_t* p) { - return p[0] | (p[1] << 8); -} -void _SetDWord_LSBFirst(uint8_t* p, FX_DWORD v) { + +void SetDWord_LSBFirst(uint8_t* p, FX_DWORD v) { p[0] = (uint8_t)v; p[1] = (uint8_t)(v >> 8); p[2] = (uint8_t)(v >> 16); p[3] = (uint8_t)(v >> 24); } -void _SetWord_LSBFirst(uint8_t* p, FX_WORD v) { +} // namespace + +FX_WORD GetWord_LSBFirst(uint8_t* p) { + return p[0] | (p[1] << 8); +} +void SetWord_LSBFirst(uint8_t* p, FX_WORD v) { p[0] = (uint8_t)v; p[1] = (uint8_t)(v >> 8); } -void _bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg) { - if (bmp_ptr && bmp_ptr->_bmp_error_fn) { - bmp_ptr->_bmp_error_fn(bmp_ptr, err_msg); +void bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg) { + if (bmp_ptr && bmp_ptr->bmp_error_fn) { + bmp_ptr->bmp_error_fn(bmp_ptr, err_msg); } } -bmp_decompress_struct_p _bmp_create_decompress() { +bmp_decompress_struct_p bmp_create_decompress() { bmp_decompress_struct_p bmp_ptr = FX_Alloc(bmp_decompress_struct, 1); if (bmp_ptr == NULL) { return NULL; @@ -46,7 +48,7 @@ bmp_decompress_struct_p _bmp_create_decompress() { bmp_ptr->bmp_header_ptr = FX_Alloc(BmpFileHeader, 1); return bmp_ptr; } -void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) { +void bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) { if (bmp_ptr_ptr == NULL || *bmp_ptr_ptr == NULL) { return; } @@ -59,7 +61,7 @@ void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) { FX_Free(bmp_ptr->bmp_header_ptr); FX_Free(bmp_ptr); } -int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { +int32_t bmp_read_header(bmp_decompress_struct_p bmp_ptr) { if (bmp_ptr == NULL) { return 0; } @@ -67,16 +69,16 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { if (bmp_ptr->decode_status == BMP_D_STATUS_HEADER) { ASSERT(sizeof(BmpFileHeader) == 14); BmpFileHeader* bmp_header_ptr = NULL; - if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_header_ptr, 14) == NULL) { + if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_header_ptr, 14) == NULL) { return 2; } bmp_ptr->bmp_header_ptr->bfType = - _GetWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfType); + GetWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfType); bmp_ptr->bmp_header_ptr->bfOffBits = - _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfOffBits); - bmp_ptr->data_size = _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfSize); + GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfOffBits); + bmp_ptr->data_size = GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfSize); if (bmp_ptr->bmp_header_ptr->bfType != BMP_SIGNATURE) { - _bmp_error(bmp_ptr, "Not A Bmp Image"); + bmp_error(bmp_ptr, "Not A Bmp Image"); return 0; } if (bmp_ptr->avail_in < sizeof(FX_DWORD)) { @@ -84,7 +86,7 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { return 2; } bmp_ptr->img_ifh_size = - _GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size); + GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size); bmp_ptr->pal_type = 0; static_assert(sizeof(BmpCoreHeader) == kBmpCoreHeaderSize, "BmpCoreHeader has wrong size"); @@ -94,40 +96,40 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { case kBmpCoreHeaderSize: { bmp_ptr->pal_type = 1; BmpCoreHeaderPtr bmp_core_header_ptr = NULL; - if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_core_header_ptr, - bmp_ptr->img_ifh_size) == NULL) { + if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_core_header_ptr, + bmp_ptr->img_ifh_size) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } - bmp_ptr->width = (FX_DWORD)_GetWord_LSBFirst( - (uint8_t*)&bmp_core_header_ptr->bcWidth); - bmp_ptr->height = (FX_DWORD)_GetWord_LSBFirst( - (uint8_t*)&bmp_core_header_ptr->bcHeight); + bmp_ptr->width = + GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcWidth); + bmp_ptr->height = + GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcHeight); bmp_ptr->bitCounts = - _GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcBitCount); + GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcBitCount); bmp_ptr->compress_flag = BMP_RGB; bmp_ptr->imgTB_flag = FALSE; } break; case kBmpInfoHeaderSize: { BmpInfoHeaderPtr bmp_info_header_ptr = NULL; - if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, - bmp_ptr->img_ifh_size) == NULL) { + if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, + bmp_ptr->img_ifh_size) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } bmp_ptr->width = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth); + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth); bmp_ptr->height = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight); + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight); bmp_ptr->bitCounts = - _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount); + GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount); bmp_ptr->compress_flag = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression); + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression); bmp_ptr->color_used = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed); - bmp_ptr->dpi_x = (int32_t)_GetDWord_LSBFirst( + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed); + bmp_ptr->dpi_x = (int32_t)GetDWord_LSBFirst( (uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter); - bmp_ptr->dpi_y = (int32_t)_GetDWord_LSBFirst( + bmp_ptr->dpi_y = (int32_t)GetDWord_LSBFirst( (uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter); if (bmp_ptr->height < 0) { bmp_ptr->height = -bmp_ptr->height; @@ -138,27 +140,26 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { if (bmp_ptr->img_ifh_size > std::min(kBmpInfoHeaderSize, sizeof(BmpInfoHeader))) { BmpInfoHeaderPtr bmp_info_header_ptr = NULL; - if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, - bmp_ptr->img_ifh_size) == NULL) { + if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, + bmp_ptr->img_ifh_size) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } FX_WORD biPlanes; bmp_ptr->width = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth); + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth); bmp_ptr->height = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight); + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight); bmp_ptr->bitCounts = - _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount); + GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount); bmp_ptr->compress_flag = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression); + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression); bmp_ptr->color_used = - _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed); - biPlanes = - _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biPlanes); - bmp_ptr->dpi_x = _GetDWord_LSBFirst( + GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed); + biPlanes = GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biPlanes); + bmp_ptr->dpi_x = GetDWord_LSBFirst( (uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter); - bmp_ptr->dpi_y = _GetDWord_LSBFirst( + bmp_ptr->dpi_y = GetDWord_LSBFirst( (uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter); if (bmp_ptr->height < 0) { bmp_ptr->height = -bmp_ptr->height; @@ -169,7 +170,7 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { break; } } - _bmp_error(bmp_ptr, "Unsupported Bmp File"); + bmp_error(bmp_ptr, "Unsupported Bmp File"); return 0; } } @@ -182,18 +183,18 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { case 16: case 24: { if (bmp_ptr->color_used > ((FX_DWORD)1) << bmp_ptr->bitCounts) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } } case 32: { if (bmp_ptr->width <= 0 || bmp_ptr->compress_flag > BMP_BITFIELDS) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } } break; default: - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } bmp_ptr->src_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, bmp_ptr->bitCounts); @@ -217,47 +218,40 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { FX_Free(bmp_ptr->out_row_buffer); bmp_ptr->out_row_buffer = FX_Alloc(uint8_t, bmp_ptr->out_row_bytes); FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_PAL); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_PAL); } if (bmp_ptr->decode_status == BMP_D_STATUS_PAL) { skip_size_org = bmp_ptr->skip_size; -#ifdef BMP_SUPPORT_BITFIELD if (bmp_ptr->compress_flag == BMP_BITFIELDS) { if (bmp_ptr->bitCounts != 16 && bmp_ptr->bitCounts != 32) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } FX_DWORD* mask; - if (_bmp_read_data(bmp_ptr, (uint8_t**)&mask, 3 * sizeof(FX_DWORD)) == + if (bmp_read_data(bmp_ptr, (uint8_t**)&mask, 3 * sizeof(FX_DWORD)) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } - bmp_ptr->mask_red = _GetDWord_LSBFirst((uint8_t*)&mask[0]); - bmp_ptr->mask_green = _GetDWord_LSBFirst((uint8_t*)&mask[1]); - bmp_ptr->mask_blue = _GetDWord_LSBFirst((uint8_t*)&mask[2]); + bmp_ptr->mask_red = GetDWord_LSBFirst((uint8_t*)&mask[0]); + bmp_ptr->mask_green = GetDWord_LSBFirst((uint8_t*)&mask[1]); + bmp_ptr->mask_blue = GetDWord_LSBFirst((uint8_t*)&mask[2]); if (bmp_ptr->mask_red & bmp_ptr->mask_green || bmp_ptr->mask_red & bmp_ptr->mask_blue || bmp_ptr->mask_green & bmp_ptr->mask_blue) { - _bmp_error(bmp_ptr, "The Bitfield Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bitfield Bmp File Is Corrupt"); return 0; } if (bmp_ptr->bmp_header_ptr->bfOffBits < 26 + bmp_ptr->img_ifh_size) { bmp_ptr->bmp_header_ptr->bfOffBits = 26 + bmp_ptr->img_ifh_size; } - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE); return 1; } else if (bmp_ptr->bitCounts == 16) { bmp_ptr->mask_red = 0x7C00; bmp_ptr->mask_green = 0x03E0; bmp_ptr->mask_blue = 0x001F; } -#else - if (bmp_ptr->compress_flag == BMP_BITFIELDS || bmp_ptr->bitCounts == 16) { - _bmp_error(bmp_ptr, "Unsupported Bitfield Bmp File"); - return 0; - } -#endif bmp_ptr->pal_num = 0; if (bmp_ptr->bitCounts < 16) { bmp_ptr->pal_num = 1 << bmp_ptr->bitCounts; @@ -266,7 +260,7 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { } uint8_t* src_pal_ptr = NULL; FX_DWORD src_pal_size = bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4); - if (_bmp_read_data(bmp_ptr, (uint8_t**)&src_pal_ptr, src_pal_size) == + if (bmp_read_data(bmp_ptr, (uint8_t**)&src_pal_ptr, src_pal_size) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; @@ -295,44 +289,44 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { 14 + bmp_ptr->img_ifh_size + bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4); } - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE); } return 1; } -int32_t _bmp_decode_image(bmp_decompress_struct_p bmp_ptr) { +int32_t bmp_decode_image(bmp_decompress_struct_p bmp_ptr) { if (bmp_ptr->decode_status == BMP_D_STATUS_DATA_PRE) { bmp_ptr->avail_in = 0; - if (!bmp_ptr->_bmp_get_data_position_fn( + if (!bmp_ptr->bmp_get_data_position_fn( bmp_ptr, bmp_ptr->bmp_header_ptr->bfOffBits)) { bmp_ptr->decode_status = BMP_D_STATUS_TAIL; - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt, Unexpected Stream Offset"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt, Unexpected Stream Offset"); return 0; } bmp_ptr->row_num = 0; - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); } if (bmp_ptr->decode_status == BMP_D_STATUS_DATA) { switch (bmp_ptr->compress_flag) { case BMP_RGB: case BMP_BITFIELDS: - return _bmp_decode_rgb(bmp_ptr); + return bmp_decode_rgb(bmp_ptr); case BMP_RLE8: - return _bmp_decode_rle8(bmp_ptr); + return bmp_decode_rle8(bmp_ptr); case BMP_RLE4: - return _bmp_decode_rle4(bmp_ptr); + return bmp_decode_rle4(bmp_ptr); } } - _bmp_error(bmp_ptr, "Any Uncontrol Error"); + bmp_error(bmp_ptr, "Any Uncontrol Error"); return 0; } -int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) { +int32_t bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) { uint8_t* row_buf = bmp_ptr->out_row_buffer; uint8_t* des_buf = NULL; while (bmp_ptr->row_num < bmp_ptr->height) { - if (_bmp_read_data(bmp_ptr, &des_buf, bmp_ptr->src_row_bytes) == NULL) { + if (bmp_read_data(bmp_ptr, &des_buf, bmp_ptr->src_row_bytes) == NULL) { return 2; } - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); switch (bmp_ptr->bitCounts) { case 1: { for (int32_t col = 0; col < bmp_ptr->width; col++) { @@ -345,7 +339,6 @@ int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) { : ((des_buf[col >> 1] & 0xF0) >> 4); } } break; -#ifdef BMP_SUPPORT_BITFIELD case 16: { FX_WORD* buf = (FX_WORD*)des_buf; uint8_t blue_bits = 0; @@ -368,13 +361,12 @@ int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) { green_bits -= 8; red_bits -= 8; for (int32_t col = 0; col < bmp_ptr->width; col++) { - *buf = _GetWord_LSBFirst((uint8_t*)buf); + *buf = GetWord_LSBFirst((uint8_t*)buf); *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_blue) << blue_bits); *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_green) >> green_bits); *row_buf++ = (uint8_t)((*buf++ & bmp_ptr->mask_red) >> red_bits); } } break; -#endif case 8: case 24: case 32: @@ -382,61 +374,61 @@ int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) { break; } row_buf = bmp_ptr->out_row_buffer; - bmp_ptr->_bmp_get_row_fn(bmp_ptr, - bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); + bmp_ptr->bmp_get_row_fn(bmp_ptr, + bmp_ptr->imgTB_flag + ? bmp_ptr->row_num++ + : (bmp_ptr->height - 1 - bmp_ptr->row_num++), + bmp_ptr->out_row_buffer); } - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); return 1; } -int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) { +int32_t bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) { uint8_t* first_byte_ptr = NULL; uint8_t* second_byte_ptr = NULL; bmp_ptr->col_num = 0; while (TRUE) { FX_DWORD skip_size_org = bmp_ptr->skip_size; - if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { + if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { return 2; } switch (*first_byte_ptr) { case RLE_MARKER: { - if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { + if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } switch (*first_byte_ptr) { case RLE_EOL: { if (bmp_ptr->row_num >= bmp_ptr->height) { - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } - bmp_ptr->_bmp_get_row_fn( + bmp_ptr->bmp_get_row_fn( bmp_ptr, bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++), bmp_ptr->out_row_buffer); bmp_ptr->col_num = 0; FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); continue; } case RLE_EOI: { if (bmp_ptr->row_num < bmp_ptr->height) { - bmp_ptr->_bmp_get_row_fn( + bmp_ptr->bmp_get_row_fn( bmp_ptr, bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++), bmp_ptr->out_row_buffer); } - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); return 1; } case RLE_DELTA: { uint8_t* delta_ptr; - if (_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) { + if (bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } @@ -444,12 +436,12 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) { int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1]; if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes || bmp_row_num_next >= bmp_ptr->height) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported"); return 0; } while (bmp_ptr->row_num < bmp_row_num_next) { FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - bmp_ptr->_bmp_get_row_fn( + bmp_ptr->bmp_get_row_fn( bmp_ptr, bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++), @@ -459,12 +451,12 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) { default: { if ((int32_t)(*first_byte_ptr) > bmp_ptr->src_row_bytes - bmp_ptr->col_num) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } - if (_bmp_read_data(bmp_ptr, &second_byte_ptr, - *first_byte_ptr & 1 ? *first_byte_ptr + 1 - : *first_byte_ptr) == NULL) { + if (bmp_read_data(bmp_ptr, &second_byte_ptr, + *first_byte_ptr & 1 ? *first_byte_ptr + 1 + : *first_byte_ptr) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } @@ -475,13 +467,13 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) { } } break; default: { - if (_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) { + if (bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } if ((int32_t)(*first_byte_ptr) > bmp_ptr->src_row_bytes - bmp_ptr->col_num) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } FXSYS_memset(bmp_ptr->out_row_buffer + bmp_ptr->col_num, @@ -490,55 +482,55 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) { } } } - _bmp_error(bmp_ptr, "Any Uncontrol Error"); + bmp_error(bmp_ptr, "Any Uncontrol Error"); return 0; } -int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { +int32_t bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { uint8_t* first_byte_ptr = NULL; uint8_t* second_byte_ptr = NULL; bmp_ptr->col_num = 0; while (TRUE) { FX_DWORD skip_size_org = bmp_ptr->skip_size; - if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { + if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { return 2; } switch (*first_byte_ptr) { case RLE_MARKER: { - if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { + if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } switch (*first_byte_ptr) { case RLE_EOL: { if (bmp_ptr->row_num >= bmp_ptr->height) { - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } - bmp_ptr->_bmp_get_row_fn( + bmp_ptr->bmp_get_row_fn( bmp_ptr, bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++), bmp_ptr->out_row_buffer); bmp_ptr->col_num = 0; FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); continue; } case RLE_EOI: { if (bmp_ptr->row_num < bmp_ptr->height) { - bmp_ptr->_bmp_get_row_fn( + bmp_ptr->bmp_get_row_fn( bmp_ptr, bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++), bmp_ptr->out_row_buffer); } - _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); + bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); return 1; } case RLE_DELTA: { uint8_t* delta_ptr; - if (_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) { + if (bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } @@ -546,12 +538,12 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1]; if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes || bmp_row_num_next >= bmp_ptr->height) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported"); return 0; } while (bmp_ptr->row_num < bmp_row_num_next) { FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - bmp_ptr->_bmp_get_row_fn( + bmp_ptr->bmp_get_row_fn( bmp_ptr, bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++), @@ -563,13 +555,13 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { if ((int32_t)*first_byte_ptr >= bmp_ptr->out_row_bytes - bmp_ptr->col_num) { if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1; } - if (_bmp_read_data(bmp_ptr, &second_byte_ptr, - size & 1 ? size + 1 : size) == NULL) { + if (bmp_read_data(bmp_ptr, &second_byte_ptr, + size & 1 ? size + 1 : size) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } @@ -586,7 +578,7 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { } } break; default: { - if (_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) { + if (bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) { bmp_ptr->skip_size = skip_size_org; return 2; } @@ -594,7 +586,7 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { bmp_ptr->out_row_bytes - bmp_ptr->col_num) { uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1); if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) { - _bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); + bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); return 0; } *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1; @@ -611,12 +603,12 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { } } } - _bmp_error(bmp_ptr, "Any Uncontrol Error"); + bmp_error(bmp_ptr, "Any Uncontrol Error"); return 0; } -uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr, - uint8_t** des_buf_pp, - FX_DWORD data_size) { +uint8_t* bmp_read_data(bmp_decompress_struct_p bmp_ptr, + uint8_t** des_buf_pp, + FX_DWORD data_size) { if (bmp_ptr == NULL || bmp_ptr->avail_in < bmp_ptr->skip_size + data_size) { return NULL; } @@ -624,22 +616,21 @@ uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr, bmp_ptr->skip_size += data_size; return *des_buf_pp; } -void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, - int32_t status) { +void bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status) { bmp_ptr->decode_status = status; bmp_ptr->next_in += bmp_ptr->skip_size; bmp_ptr->avail_in -= bmp_ptr->skip_size; bmp_ptr->skip_size = 0; } -void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, - uint8_t* src_buf, - FX_DWORD src_size) { +void bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, + uint8_t* src_buf, + FX_DWORD src_size) { bmp_ptr->next_in = src_buf; bmp_ptr->avail_in = src_size; bmp_ptr->skip_size = 0; } -FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, - uint8_t** avial_buf_ptr) { +FX_DWORD bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, + uint8_t** avial_buf_ptr) { if (avial_buf_ptr) { *avial_buf_ptr = NULL; if (bmp_ptr->avail_in > 0) { @@ -648,7 +639,7 @@ FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, } return bmp_ptr->avail_in; } -bmp_compress_struct_p _bmp_create_compress() { +bmp_compress_struct_p bmp_create_compress() { bmp_compress_struct_p bmp_ptr; bmp_ptr = FX_Alloc(bmp_compress_struct, 1); if (bmp_ptr) { @@ -656,7 +647,7 @@ bmp_compress_struct_p _bmp_create_compress() { } return bmp_ptr; } -void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr) { +void bmp_destroy_compress(bmp_compress_struct_p bmp_ptr) { if (bmp_ptr) { if (bmp_ptr->src_free && bmp_ptr->src_buf) { FX_Free(bmp_ptr->src_buf); @@ -667,49 +658,46 @@ void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr) { static void WriteFileHeader(BmpFileHeaderPtr head_ptr, uint8_t* dst_buf) { FX_DWORD offset; offset = 0; - _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType); + SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType); offset += 2; - _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize); + SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize); offset += 4; - _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1); + SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1); offset += 2; - _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2); + SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2); offset += 2; - _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits); + SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits); offset += 4; } static void WriteInfoHeader(BmpInfoHeaderPtr info_head_ptr, uint8_t* dst_buf) { FX_DWORD offset; offset = sizeof(BmpFileHeader); - _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize); offset += 4; - _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biWidth); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biWidth); offset += 4; - _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biHeight); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biHeight); offset += 4; - _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes); + SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes); offset += 2; - _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount); + SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount); offset += 2; - _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression); offset += 4; - _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage); offset += 4; - _SetDWord_LSBFirst(&dst_buf[offset], - (FX_DWORD)info_head_ptr->biXPelsPerMeter); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biXPelsPerMeter); offset += 4; - _SetDWord_LSBFirst(&dst_buf[offset], - (FX_DWORD)info_head_ptr->biYPelsPerMeter); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biYPelsPerMeter); offset += 4; - _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed); offset += 4; - _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant); + SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant); offset += 4; } -#ifdef BMP_SUPPORT_BITFIELD -static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { +static void bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr, + uint8_t*& dst_buf, + FX_DWORD& dst_size) { if (bmp_ptr->info_header.biBitCount != 16 && bmp_ptr->info_header.biBitCount != 32) { return; @@ -741,11 +729,11 @@ static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr, mask_green = 0x00FF00; mask_blue = 0x0000FF; } - _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red); + SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red); dst_pos += 4; - _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green); + SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green); dst_pos += 4; - _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue); + SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue); dst_pos += 4; bmp_ptr->file_header.bfOffBits = dst_pos; } @@ -782,24 +770,22 @@ static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr, pix_val |= (g << green_bits) & mask_green; pix_val |= (r << red_bits) & mask_red; if (bmp_ptr->info_header.biBitCount == 16) { - _SetWord_LSBFirst(&dst_buf[dst_pos], (FX_WORD)pix_val); + SetWord_LSBFirst(&dst_buf[dst_pos], pix_val); dst_pos += 2; } else { - _SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val); + SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val); dst_pos += 4; } } } dst_size = dst_pos; } -#endif -static void _bmp_encode_rgb(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { + +static void bmp_encode_rgb(bmp_compress_struct_p bmp_ptr, + uint8_t*& dst_buf, + FX_DWORD& dst_size) { if (bmp_ptr->info_header.biBitCount == 16) { -#ifdef BMP_SUPPORT_BITFIELD - _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size); -#endif + bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size); return; } FX_DWORD size, dst_pos; @@ -821,7 +807,7 @@ static void _bmp_encode_rgb(bmp_compress_struct_p bmp_ptr, } dst_size = dst_pos; } -static uint8_t _bmp_rle8_search(const uint8_t* buf, int32_t len) { +static uint8_t bmp_rle8_search(const uint8_t* buf, int32_t len) { uint8_t num; num = 1; while (num < len) { @@ -832,9 +818,9 @@ static uint8_t _bmp_rle8_search(const uint8_t* buf, int32_t len) { } return num; } -static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { +static void bmp_encode_rle8(bmp_compress_struct_p bmp_ptr, + uint8_t*& dst_buf, + FX_DWORD& dst_size) { FX_DWORD size, dst_pos, index; uint8_t rle[2] = {0}; size = bmp_ptr->src_pitch * bmp_ptr->src_row * 2; @@ -847,7 +833,7 @@ static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr, FXSYS_memset(&dst_buf[dst_pos], 0, size); for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1;) { index = row_num * bmp_ptr->src_pitch; - rle[0] = _bmp_rle8_search(&bmp_ptr->src_buf[index + i], size - index - i); + rle[0] = bmp_rle8_search(&bmp_ptr->src_buf[index + i], size - index - i); rle[1] = bmp_ptr->src_buf[index + i]; if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) { rle[0] = uint8_t(bmp_ptr->src_pitch - i); @@ -869,7 +855,7 @@ static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr, dst_buf[dst_pos++] = RLE_EOI; dst_size = dst_pos; } -static uint8_t _bmp_rle4_search(const uint8_t* buf, int32_t len) { +static uint8_t bmp_rle4_search(const uint8_t* buf, int32_t len) { uint8_t num; num = 2; while (num < len) { @@ -880,9 +866,9 @@ static uint8_t _bmp_rle4_search(const uint8_t* buf, int32_t len) { } return num; } -static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { +static void bmp_encode_rle4(bmp_compress_struct_p bmp_ptr, + uint8_t*& dst_buf, + FX_DWORD& dst_size) { FX_DWORD size, dst_pos, index; uint8_t rle[2] = {0}; size = bmp_ptr->src_pitch * bmp_ptr->src_row; @@ -896,7 +882,7 @@ static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr, for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1; rle[1] = 0) { index = row_num * bmp_ptr->src_pitch; - rle[0] = _bmp_rle4_search(&bmp_ptr->src_buf[index + i], size - index - i); + rle[0] = bmp_rle4_search(&bmp_ptr->src_buf[index + i], size - index - i); rle[1] |= (bmp_ptr->src_buf[index + i] & 0x0f) << 4; rle[1] |= bmp_ptr->src_buf[index + i + 1] & 0x0f; if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) { @@ -919,9 +905,9 @@ static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr, dst_buf[dst_pos++] = RLE_EOI; dst_size = dst_pos; } -FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { +FX_BOOL bmp_encode_image(bmp_compress_struct_p bmp_ptr, + uint8_t*& dst_buf, + FX_DWORD& dst_size) { FX_DWORD head_size = sizeof(BmpFileHeader) + sizeof(BmpInfoHeader); FX_DWORD pal_size = sizeof(FX_DWORD) * bmp_ptr->pal_num; if (bmp_ptr->info_header.biClrUsed > 0 && @@ -942,18 +928,16 @@ FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr, WriteInfoHeader(&bmp_ptr->info_header, dst_buf); switch (bmp_ptr->info_header.biCompression) { case BMP_RGB: - _bmp_encode_rgb(bmp_ptr, dst_buf, dst_size); + bmp_encode_rgb(bmp_ptr, dst_buf, dst_size); break; case BMP_BITFIELDS: -#ifdef BMP_SUPPORT_BITFIELD - _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size); -#endif + bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size); break; case BMP_RLE8: - _bmp_encode_rle8(bmp_ptr, dst_buf, dst_size); + bmp_encode_rle8(bmp_ptr, dst_buf, dst_size); break; case BMP_RLE4: - _bmp_encode_rle4(bmp_ptr, dst_buf, dst_size); + bmp_encode_rle4(bmp_ptr, dst_buf, dst_size); break; default: break; diff --git a/core/src/fxcodec/lbmp/fx_bmp.h b/core/src/fxcodec/lbmp/fx_bmp.h index 063b1bd757..24c94cabbe 100644 --- a/core/src/fxcodec/lbmp/fx_bmp.h +++ b/core/src/fxcodec/lbmp/fx_bmp.h @@ -11,7 +11,6 @@ #include "core/include/fxcrt/fx_basic.h" -#define BMP_SUPPORT_BITFIELD #define BMP_WIDTHBYTES(width, bitCount) ((width * bitCount) + 31) / 32 * 4 #define BMP_PAL_ENCODE(a, r, g, b) \ (((FX_DWORD)(a) << 24) | ((r) << 16) | ((g) << 8) | (b)) @@ -70,8 +69,7 @@ typedef bmp_decompress_struct_p* bmp_decompress_struct_pp; struct tag_bmp_decompress_struct { jmp_buf jmpbuf; FX_CHAR* err_ptr; - void (*_bmp_error_fn)(bmp_decompress_struct_p gif_ptr, - const FX_CHAR* err_msg); + void (*bmp_error_fn)(bmp_decompress_struct_p gif_ptr, const FX_CHAR* err_msg); void* context_ptr; @@ -97,39 +95,37 @@ struct tag_bmp_decompress_struct { int32_t col_num; int32_t dpi_x; int32_t dpi_y; -#ifdef BMP_SUPPORT_BITFIELD FX_DWORD mask_red; FX_DWORD mask_green; FX_DWORD mask_blue; -#endif - FX_BOOL (*_bmp_get_data_position_fn)(bmp_decompress_struct_p bmp_ptr, + FX_BOOL (*bmp_get_data_position_fn)(bmp_decompress_struct_p bmp_ptr, FX_DWORD cur_pos); - void (*_bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr, - int32_t row_num, - uint8_t* row_buf); + void (*bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr, + int32_t row_num, + uint8_t* row_buf); uint8_t* next_in; FX_DWORD avail_in; FX_DWORD skip_size; int32_t decode_status; }; -void _bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg); -bmp_decompress_struct_p _bmp_create_decompress(); -void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr); -int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr); -int32_t _bmp_decode_image(bmp_decompress_struct_p bmp_ptr); -int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr); -int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr); -int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr); -uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr, - uint8_t** des_buf_pp, - FX_DWORD data_size); -void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status); -void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, - uint8_t* src_buf, - FX_DWORD src_size); -FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, - uint8_t** avial_buf_ptr); +void bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg); +bmp_decompress_struct_p bmp_create_decompress(); +void bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr); +int32_t bmp_read_header(bmp_decompress_struct_p bmp_ptr); +int32_t bmp_decode_image(bmp_decompress_struct_p bmp_ptr); +int32_t bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr); +int32_t bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr); +int32_t bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr); +uint8_t* bmp_read_data(bmp_decompress_struct_p bmp_ptr, + uint8_t** des_buf_pp, + FX_DWORD data_size); +void bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status); +void bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, + uint8_t* src_buf, + FX_DWORD src_size); +FX_DWORD bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, + uint8_t** avial_buf_ptr); typedef struct tag_bmp_compress_struct bmp_compress_struct; typedef bmp_compress_struct* bmp_compress_struct_p; typedef bmp_compress_struct_p* bmp_compress_struct_pp; @@ -144,15 +140,16 @@ struct tag_bmp_compress_struct { FX_BOOL src_free; FX_DWORD* pal_ptr; FX_WORD pal_num; -#ifdef BMP_SUPPORT_BITFIELD uint8_t bit_type; -#endif }; -bmp_compress_struct_p _bmp_create_compress(); -void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr); -FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size); +bmp_compress_struct_p bmp_create_compress(); +void bmp_destroy_compress(bmp_compress_struct_p bmp_ptr); +FX_BOOL bmp_encode_image(bmp_compress_struct_p bmp_ptr, + uint8_t*& dst_buf, + FX_DWORD& dst_size); + +FX_WORD GetWord_LSBFirst(uint8_t* p); +void SetWord_LSBFirst(uint8_t* p, FX_WORD v); #endif // CORE_SRC_FXCODEC_LBMP_FX_BMP_H_ |