summaryrefslogtreecommitdiff
path: root/core/src/fxcodec/codec/fx_codec_bmp.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_bmp.cpp')
-rw-r--r--core/src/fxcodec/codec/fx_codec_bmp.cpp254
1 files changed, 127 insertions, 127 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_bmp.cpp b/core/src/fxcodec/codec/fx_codec_bmp.cpp
index 08b2f480df..2396f36c1a 100644
--- a/core/src/fxcodec/codec/fx_codec_bmp.cpp
+++ b/core/src/fxcodec/codec/fx_codec_bmp.cpp
@@ -1,127 +1,127 @@
-// 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/include/fxcodec/fx_codec.h"
-#include "core/include/fxge/fx_dib.h"
-#include "codec_int.h"
-#include "core/src/fxcodec/lbmp/fx_bmp.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) {
- if (p != NULL) {
- 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 FX_BOOL _bmp_get_data_position(bmp_decompress_struct_p bmp_ptr,
- FX_DWORD 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);
-}
-void* CCodec_BmpModule::Start(void* pModule) {
- FXBMP_Context* p = (FXBMP_Context*)FX_Alloc(uint8_t, sizeof(FXBMP_Context));
- if (p == NULL) {
- return NULL;
- }
- FXSYS_memset(p, 0, sizeof(FXBMP_Context));
- if (p == NULL) {
- return NULL;
- }
- p->m_AllocFunc = _bmp_alloc_func;
- p->m_FreeFunc = _bmp_free_func;
- p->bmp_ptr = NULL;
- p->parent_ptr = (void*)this;
- p->child_ptr = pModule;
- p->bmp_ptr = _bmp_create_decompress();
- if (p->bmp_ptr == NULL) {
- FX_Free(p);
- return NULL;
- }
- 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(void* pContext) {
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- if (p != NULL) {
- _bmp_destroy_decompress(&p->bmp_ptr);
- p->m_FreeFunc(p);
- }
-}
-int32_t CCodec_BmpModule::ReadHeader(void* pContext,
- int32_t* width,
- int32_t* height,
- FX_BOOL* tb_flag,
- int32_t* components,
- int32_t* pal_num,
- FX_DWORD** pal_pp,
- CFX_DIBAttribute* pAttribute) {
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- if (setjmp(p->bmp_ptr->jmpbuf)) {
- return 0;
- }
- int32_t ret = _bmp_read_header(p->bmp_ptr);
- if (ret != 1) {
- return ret;
- }
- *width = p->bmp_ptr->width;
- *height = p->bmp_ptr->height;
- *tb_flag = p->bmp_ptr->imgTB_flag;
- *components = p->bmp_ptr->components;
- *pal_num = p->bmp_ptr->pal_num;
- *pal_pp = p->bmp_ptr->pal_ptr;
- if (pAttribute) {
- pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER;
- pAttribute->m_nXDPI = p->bmp_ptr->dpi_x;
- pAttribute->m_nYDPI = p->bmp_ptr->dpi_y;
- pAttribute->m_nBmpCompressType = p->bmp_ptr->compress_flag;
- }
- return 1;
-}
-int32_t CCodec_BmpModule::LoadImage(void* pContext) {
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- if (setjmp(p->bmp_ptr->jmpbuf)) {
- return 0;
- }
- return _bmp_decode_image(p->bmp_ptr);
-}
-FX_DWORD CCodec_BmpModule::GetAvailInput(void* pContext,
- uint8_t** avial_buf_ptr) {
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- return _bmp_get_avail_input(p->bmp_ptr, avial_buf_ptr);
-}
-void CCodec_BmpModule::Input(void* pContext,
- const uint8_t* src_buf,
- FX_DWORD src_size) {
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- _bmp_input_buffer(p->bmp_ptr, (uint8_t*)src_buf, src_size);
-}
+// 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/include/fxcodec/fx_codec.h"
+#include "core/include/fxge/fx_dib.h"
+#include "codec_int.h"
+#include "core/src/fxcodec/lbmp/fx_bmp.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) {
+ if (p != NULL) {
+ 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 FX_BOOL _bmp_get_data_position(bmp_decompress_struct_p bmp_ptr,
+ FX_DWORD 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);
+}
+void* CCodec_BmpModule::Start(void* pModule) {
+ FXBMP_Context* p = (FXBMP_Context*)FX_Alloc(uint8_t, sizeof(FXBMP_Context));
+ if (p == NULL) {
+ return NULL;
+ }
+ FXSYS_memset(p, 0, sizeof(FXBMP_Context));
+ if (p == NULL) {
+ return NULL;
+ }
+ p->m_AllocFunc = _bmp_alloc_func;
+ p->m_FreeFunc = _bmp_free_func;
+ p->bmp_ptr = NULL;
+ p->parent_ptr = (void*)this;
+ p->child_ptr = pModule;
+ p->bmp_ptr = _bmp_create_decompress();
+ if (p->bmp_ptr == NULL) {
+ FX_Free(p);
+ return NULL;
+ }
+ 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(void* pContext) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ if (p != NULL) {
+ _bmp_destroy_decompress(&p->bmp_ptr);
+ p->m_FreeFunc(p);
+ }
+}
+int32_t CCodec_BmpModule::ReadHeader(void* pContext,
+ int32_t* width,
+ int32_t* height,
+ FX_BOOL* tb_flag,
+ int32_t* components,
+ int32_t* pal_num,
+ FX_DWORD** pal_pp,
+ CFX_DIBAttribute* pAttribute) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ if (setjmp(p->bmp_ptr->jmpbuf)) {
+ return 0;
+ }
+ int32_t ret = _bmp_read_header(p->bmp_ptr);
+ if (ret != 1) {
+ return ret;
+ }
+ *width = p->bmp_ptr->width;
+ *height = p->bmp_ptr->height;
+ *tb_flag = p->bmp_ptr->imgTB_flag;
+ *components = p->bmp_ptr->components;
+ *pal_num = p->bmp_ptr->pal_num;
+ *pal_pp = p->bmp_ptr->pal_ptr;
+ if (pAttribute) {
+ pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER;
+ pAttribute->m_nXDPI = p->bmp_ptr->dpi_x;
+ pAttribute->m_nYDPI = p->bmp_ptr->dpi_y;
+ pAttribute->m_nBmpCompressType = p->bmp_ptr->compress_flag;
+ }
+ return 1;
+}
+int32_t CCodec_BmpModule::LoadImage(void* pContext) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ if (setjmp(p->bmp_ptr->jmpbuf)) {
+ return 0;
+ }
+ return _bmp_decode_image(p->bmp_ptr);
+}
+FX_DWORD CCodec_BmpModule::GetAvailInput(void* pContext,
+ uint8_t** avial_buf_ptr) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ return _bmp_get_avail_input(p->bmp_ptr, avial_buf_ptr);
+}
+void CCodec_BmpModule::Input(void* pContext,
+ const uint8_t* src_buf,
+ FX_DWORD src_size) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ _bmp_input_buffer(p->bmp_ptr, (uint8_t*)src_buf, src_size);
+}