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authorTom Sepez <tsepez@chromium.org>2015-05-18 14:29:22 -0700
committerTom Sepez <tsepez@chromium.org>2015-05-18 14:29:22 -0700
commit038cd084817aca8017255a6b3782fcba2688d2cb (patch)
tree2f6a4e2c6969139dedc64961102b0dc8d0b8661d /core/src/fxge
parented099befbb300d6f9c393cb415fdb2a68c2ef471 (diff)
downloadpdfium-038cd084817aca8017255a6b3782fcba2688d2cb.tar.xz
Merge to XFA: Add safe FX_Alloc2D() macro
Original Review URL: https://codereview.chromium.org/1143663004 TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/1136673005
Diffstat (limited to 'core/src/fxge')
-rw-r--r--core/src/fxge/agg/agg23/fx_agg_path_storage.cpp5
-rw-r--r--core/src/fxge/dib/fx_dib_engine.cpp5
-rw-r--r--core/src/fxge/skia/fx_skia_device.cpp2
-rw-r--r--core/src/fxge/win32/fx_win32_gdipext.cpp10
4 files changed, 7 insertions, 15 deletions
diff --git a/core/src/fxge/agg/agg23/fx_agg_path_storage.cpp b/core/src/fxge/agg/agg23/fx_agg_path_storage.cpp
index 8c4b701ebe..b4b184e0a4 100644
--- a/core/src/fxge/agg/agg23/fx_agg_path_storage.cpp
+++ b/core/src/fxge/agg/agg23/fx_agg_path_storage.cpp
@@ -51,10 +51,7 @@ void path_storage::allocate_block(unsigned nb)
{
if(nb >= m_max_blocks) {
FX_FLOAT** new_coords =
- FX_Alloc( FX_FLOAT*, (m_max_blocks + block_pool) * 2);
- if (!new_coords) {
- return;
- }
+ FX_Alloc2D(FX_FLOAT*, m_max_blocks + block_pool, 2);
unsigned char** new_cmds =
(unsigned char**)(new_coords + m_max_blocks + block_pool);
if(m_coord_blocks) {
diff --git a/core/src/fxge/dib/fx_dib_engine.cpp b/core/src/fxge/dib/fx_dib_engine.cpp
index 4d398d8c45..7b08386ae2 100644
--- a/core/src/fxge/dib/fx_dib_engine.cpp
+++ b/core/src/fxge/dib/fx_dib_engine.cpp
@@ -316,10 +316,7 @@ FX_BOOL CStretchEngine::StartStretchHorz()
return FALSE;
}
if (m_pSource && m_bHasAlpha && m_pSource->m_pAlphaMask) {
- m_pExtraAlphaBuf = FX_Alloc(unsigned char, m_SrcClip.Height() * m_ExtraMaskPitch);
- if (!m_pExtraAlphaBuf) {
- return FALSE;
- }
+ m_pExtraAlphaBuf = FX_Alloc2D(unsigned char, m_SrcClip.Height(), m_ExtraMaskPitch);
FX_DWORD size = (m_DestClip.Width() * 8 + 31) / 32 * 4;
m_pDestMaskScanline = FX_TryAlloc(unsigned char, size);
if (!m_pDestMaskScanline) {
diff --git a/core/src/fxge/skia/fx_skia_device.cpp b/core/src/fxge/skia/fx_skia_device.cpp
index 6c329eee4e..00c981c9e8 100644
--- a/core/src/fxge/skia/fx_skia_device.cpp
+++ b/core/src/fxge/skia/fx_skia_device.cpp
@@ -210,7 +210,7 @@ static void SkRasterizeStroke(SkPaint& spaint, SkPath* dstPathData, SkPath& path
dstPathData->transform(smatrix);
} else {
int count = (pGraphState->m_DashCount+1)/2;
- SkScalar* intervals = FX_Alloc(SkScalar, count* sizeof (SkScalar));
+ SkScalar* intervals = FX_Alloc2D(SkScalar, count, sizeof(SkScalar));
// Set dash pattern
for (int i = 0; i < count; i ++) {
FX_FIXFLOAT on = pGraphState->m_DashArray[i*2];
diff --git a/core/src/fxge/win32/fx_win32_gdipext.cpp b/core/src/fxge/win32/fx_win32_gdipext.cpp
index e668b49200..9dcfe3a7a6 100644
--- a/core/src/fxge/win32/fx_win32_gdipext.cpp
+++ b/core/src/fxge/win32/fx_win32_gdipext.cpp
@@ -1272,16 +1272,14 @@ CFX_DIBitmap* CGdiplusExt::LoadDIBitmap(WINDIB_Open_Args_ args)
int height = abs(pInfo->pbmi->bmiHeader.biHeight);
int width = pInfo->pbmi->bmiHeader.biWidth;
int dest_pitch = (width * pInfo->pbmi->bmiHeader.biBitCount + 31) / 32 * 4;
- LPBYTE pData = FX_Alloc(BYTE, dest_pitch * height);
- if (pData == NULL) {
- FreeDIBitmap(pInfo);
- return NULL;
- }
+ LPBYTE pData = FX_Alloc2D(BYTE, dest_pitch, height);
if (dest_pitch == pInfo->Stride) {
FXSYS_memcpy32(pData, pInfo->pScan0, dest_pitch * height);
- } else for (int i = 0; i < height; i ++) {
+ } else {
+ for (int i = 0; i < height; i ++) {
FXSYS_memcpy32(pData + dest_pitch * i, pInfo->pScan0 + pInfo->Stride * i, dest_pitch);
}
+ }
CFX_DIBitmap* pDIBitmap = _FX_WindowsDIB_LoadFromBuf(pInfo->pbmi, pData, pInfo->pbmi->bmiHeader.biBitCount == 32);
FX_Free(pData);
FreeDIBitmap(pInfo);