diff options
Diffstat (limited to 'core/src/fxcodec/lbmp/fx_bmp.h')
| -rw-r--r-- | core/src/fxcodec/lbmp/fx_bmp.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/core/src/fxcodec/lbmp/fx_bmp.h b/core/src/fxcodec/lbmp/fx_bmp.h new file mode 100644 index 0000000000..1603770eb4 --- /dev/null +++ b/core/src/fxcodec/lbmp/fx_bmp.h @@ -0,0 +1,142 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef _FX_BASIC_H_
+#include "../../../include/fxcrt/fx_basic.h"
+#endif
+#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))
+#define BMP_D_STATUS_HEADER 0x01
+#define BMP_D_STATUS_PAL 0x02
+#define BMP_D_STATUS_DATA_PRE 0x03
+#define BMP_D_STATUS_DATA 0x04
+#define BMP_D_STATUS_TAIL 0x00
+#define BMP_SIGNATURE 0x4D42
+#define BMP_PAL_NEW 0
+#define BMP_PAL_OLD 1
+#define RLE_MARKER 0
+#define RLE_EOL 0
+#define RLE_EOI 1
+#define RLE_DELTA 2
+#define BMP_RGB 0L
+#define BMP_RLE8 1L
+#define BMP_RLE4 2L
+#define BMP_BITFIELDS 3L
+#define BMP_BIT_555 0
+#define BMP_BIT_565 1
+#define BMP_MAX_ERROR_SIZE 256
+#pragma pack(1)
+typedef struct tagBmpFileHeader {
+ FX_WORD bfType;
+ FX_DWORD bfSize;
+ FX_WORD bfReserved1;
+ FX_WORD bfReserved2;
+ FX_DWORD bfOffBits;
+} BmpFileHeader, *BmpFileHeaderPtr;
+typedef struct tagBmpCoreHeader {
+ FX_DWORD bcSize;
+ FX_WORD bcWidth;
+ FX_WORD bcHeight;
+ FX_WORD bcPlanes;
+ FX_WORD bcBitCount;
+} BmpCoreHeader, *BmpCoreHeaderPtr;
+typedef struct tagBmpInfoHeader {
+ FX_DWORD biSize;
+ FX_INT32 biWidth;
+ FX_INT32 biHeight;
+ FX_WORD biPlanes;
+ FX_WORD biBitCount;
+ FX_DWORD biCompression;
+ FX_DWORD biSizeImage;
+ FX_INT32 biXPelsPerMeter;
+ FX_INT32 biYPelsPerMeter;
+ FX_DWORD biClrUsed;
+ FX_DWORD biClrImportant;
+} BmpInfoHeader, *BmpInfoHeaderPtr;
+#pragma pack()
+typedef struct tag_bmp_decompress_struct bmp_decompress_struct;
+typedef bmp_decompress_struct *bmp_decompress_struct_p;
+typedef bmp_decompress_struct_p *bmp_decompress_struct_pp;
+struct tag_bmp_decompress_struct {
+ jmp_buf jmpbuf;
+ FX_LPSTR err_ptr;
+ void (*_bmp_error_fn)(bmp_decompress_struct_p gif_ptr, FX_LPCSTR err_msg);
+
+ void* context_ptr;
+
+ BmpFileHeaderPtr bmp_header_ptr;
+ BmpInfoHeaderPtr bmp_infoheader_ptr;
+ FX_INT32 width;
+ FX_INT32 height;
+ FX_DWORD compress_flag;
+ FX_INT32 components;
+ FX_INT32 src_row_bytes;
+ FX_INT32 out_row_bytes;
+ FX_LPBYTE out_row_buffer;
+ FX_WORD bitCounts;
+ FX_DWORD color_used;
+ FX_BOOL imgTB_flag;
+ FX_INT32 pal_num;
+ FX_INT32 pal_type;
+ FX_DWORD* pal_ptr;
+ FX_DWORD data_size;
+ FX_DWORD img_data_offset;
+ FX_DWORD img_ifh_size;
+ FX_INT32 row_num;
+ FX_INT32 col_num;
+ FX_INT32 dpi_x;
+ FX_INT32 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_DWORD cur_pos);
+ void (*_bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr, FX_INT32 row_num, FX_LPBYTE row_buf);
+ FX_LPBYTE next_in;
+ FX_DWORD avail_in;
+ FX_DWORD skip_size;
+ FX_INT32 decode_status;
+};
+void _bmp_error(bmp_decompress_struct_p bmp_ptr, FX_LPCSTR err_msg);
+bmp_decompress_struct_p _bmp_create_decompress();
+void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr);
+FX_INT32 _bmp_read_header(bmp_decompress_struct_p bmp_ptr);
+FX_INT32 _bmp_decode_image(bmp_decompress_struct_p bmp_ptr);
+FX_INT32 _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr);
+FX_INT32 _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr);
+FX_INT32 _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr);
+FX_LPBYTE _bmp_read_data(bmp_decompress_struct_p bmp_ptr, FX_LPBYTE* des_buf_pp, FX_DWORD data_size);
+void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, FX_INT32 status);
+void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, FX_LPBYTE src_buf, FX_DWORD src_size);
+FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, FX_LPBYTE* avial_buf_ptr);
+#define BMP_PTR_NOT_NULL(ptr,bmp_ptr) if(ptr == NULL){ \
+ _bmp_error(bmp_ptr,"Out Of Memory");\
+ return 0; \
+ }
+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;
+struct tag_bmp_compress_struct {
+ BmpFileHeader file_header;
+ BmpInfoHeader info_header;
+ FX_LPBYTE src_buf;
+ FX_DWORD src_pitch;
+ FX_DWORD src_row;
+ FX_BYTE src_bpp;
+ FX_DWORD src_width;
+ FX_BOOL src_free;
+ FX_DWORD* pal_ptr;
+ FX_WORD pal_num;
+#ifdef BMP_SUPPORT_BITFIELD
+ FX_BYTE 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, FX_LPBYTE& dst_buf, FX_DWORD& dst_size);
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