diff options
Diffstat (limited to 'core/src/fxcodec/lbmp/fx_bmp.cpp')
| -rw-r--r-- | core/src/fxcodec/lbmp/fx_bmp.cpp | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/core/src/fxcodec/lbmp/fx_bmp.cpp b/core/src/fxcodec/lbmp/fx_bmp.cpp index 98bcefdaba..00477581a1 100644 --- a/core/src/fxcodec/lbmp/fx_bmp.cpp +++ b/core/src/fxcodec/lbmp/fx_bmp.cpp @@ -5,6 +5,16 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "fx_bmp.h"
+
+#include <algorithm>
+
+namespace {
+
+const size_t kBmpCoreHeaderSize = 12;
+const size_t kBmpInfoHeaderSize = 40;
+
+} // namespace
+
FX_DWORD _GetDWord_LSBFirst(uint8_t* p) {
return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
}
@@ -80,10 +90,12 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { bmp_ptr->img_ifh_size =
_GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size);
bmp_ptr->pal_type = 0;
- ASSERT(sizeof(BmpCoreHeader) == 12);
- ASSERT(sizeof(BmpInfoHeader) == 40);
+ static_assert(sizeof(BmpCoreHeader) == kBmpCoreHeaderSize,
+ "BmpCoreHeader has wrong size");
+ static_assert(sizeof(BmpInfoHeader) == kBmpInfoHeaderSize,
+ "BmpInfoHeader has wrong size");
switch (bmp_ptr->img_ifh_size) {
- case FX_MIN(12, sizeof(BmpCoreHeader)): {
+ 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,
@@ -100,7 +112,7 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { bmp_ptr->compress_flag = BMP_RGB;
bmp_ptr->imgTB_flag = FALSE;
} break;
- case FX_MIN(40, sizeof(BmpInfoHeader)): {
+ 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) {
@@ -127,7 +139,8 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) { }
} break;
default: {
- if (bmp_ptr->img_ifh_size > FX_MIN(40, sizeof(BmpInfoHeader))) {
+ 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) {
|