diff options
Diffstat (limited to 'core/fxcodec/codec/fx_codec_bmp.cpp')
-rw-r--r-- | core/fxcodec/codec/fx_codec_bmp.cpp | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/core/fxcodec/codec/fx_codec_bmp.cpp b/core/fxcodec/codec/fx_codec_bmp.cpp deleted file mode 100644 index ae83d3f1ef..0000000000 --- a/core/fxcodec/codec/fx_codec_bmp.cpp +++ /dev/null @@ -1,124 +0,0 @@ -// 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 - -#include "core/fxcodec/codec/codec_int.h" -#include "core/fxcodec/fx_codec.h" -#include "core/fxcodec/lbmp/fx_bmp.h" -#include "core/fxge/fx_dib.h" -struct FXBMP_Context { - bmp_decompress_struct_p bmp_ptr; - void* parent_ptr; - void* child_ptr; - - void* (*m_AllocFunc)(unsigned int); - void (*m_FreeFunc)(void*); -}; -extern "C" { -static void* bmp_alloc_func(unsigned int size) { - return FX_Alloc(char, size); -} -static void bmp_free_func(void* p) { - FX_Free(p); -} -}; -static void bmp_error_data(bmp_decompress_struct_p bmp_ptr, - const FX_CHAR* err_msg) { - FXSYS_strncpy((char*)bmp_ptr->err_ptr, err_msg, BMP_MAX_ERROR_SIZE - 1); - longjmp(bmp_ptr->jmpbuf, 1); -} -static void bmp_read_scanline(bmp_decompress_struct_p bmp_ptr, - int32_t row_num, - uint8_t* row_buf) { - FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr; - CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr; - pModule->ReadScanlineCallback(p->child_ptr, row_num, row_buf); -} -static bool bmp_get_data_position(bmp_decompress_struct_p bmp_ptr, - uint32_t rcd_pos) { - FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr; - CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr; - return pModule->InputImagePositionBufCallback(p->child_ptr, rcd_pos); -} - -FXBMP_Context* CCodec_BmpModule::Start(void* pModule) { - FXBMP_Context* p = FX_Alloc(FXBMP_Context, 1); - if (!p) - return nullptr; - - FXSYS_memset(p, 0, sizeof(FXBMP_Context)); - if (!p) - return nullptr; - - p->m_AllocFunc = bmp_alloc_func; - p->m_FreeFunc = bmp_free_func; - p->bmp_ptr = nullptr; - p->parent_ptr = (void*)this; - p->child_ptr = pModule; - p->bmp_ptr = bmp_create_decompress(); - if (!p->bmp_ptr) { - FX_Free(p); - return nullptr; - } - p->bmp_ptr->context_ptr = (void*)p; - p->bmp_ptr->err_ptr = m_szLastError; - p->bmp_ptr->bmp_error_fn = bmp_error_data; - p->bmp_ptr->bmp_get_row_fn = bmp_read_scanline; - p->bmp_ptr->bmp_get_data_position_fn = bmp_get_data_position; - return p; -} - -void CCodec_BmpModule::Finish(FXBMP_Context* ctx) { - if (ctx) { - bmp_destroy_decompress(&ctx->bmp_ptr); - ctx->m_FreeFunc(ctx); - } -} -int32_t CCodec_BmpModule::ReadHeader(FXBMP_Context* ctx, - int32_t* width, - int32_t* height, - bool* tb_flag, - int32_t* components, - int32_t* pal_num, - uint32_t** pal_pp, - CFX_DIBAttribute* pAttribute) { - if (setjmp(ctx->bmp_ptr->jmpbuf)) { - return 0; - } - int32_t ret = bmp_read_header(ctx->bmp_ptr); - if (ret != 1) { - return ret; - } - *width = ctx->bmp_ptr->width; - *height = ctx->bmp_ptr->height; - *tb_flag = ctx->bmp_ptr->imgTB_flag; - *components = ctx->bmp_ptr->components; - *pal_num = ctx->bmp_ptr->pal_num; - *pal_pp = ctx->bmp_ptr->pal_ptr; - if (pAttribute) { - pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER; - pAttribute->m_nXDPI = ctx->bmp_ptr->dpi_x; - pAttribute->m_nYDPI = ctx->bmp_ptr->dpi_y; - pAttribute->m_nBmpCompressType = ctx->bmp_ptr->compress_flag; - } - return 1; -} - -int32_t CCodec_BmpModule::LoadImage(FXBMP_Context* ctx) { - if (setjmp(ctx->bmp_ptr->jmpbuf)) - return 0; - return bmp_decode_image(ctx->bmp_ptr); -} - -uint32_t CCodec_BmpModule::GetAvailInput(FXBMP_Context* ctx, - uint8_t** avail_buf_ptr) { - return bmp_get_avail_input(ctx->bmp_ptr, avail_buf_ptr); -} - -void CCodec_BmpModule::Input(FXBMP_Context* ctx, - const uint8_t* src_buf, - uint32_t src_size) { - bmp_input_buffer(ctx->bmp_ptr, (uint8_t*)src_buf, src_size); -} |