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-rw-r--r--core/src/fxge/ge/fx_ge_font.cpp6
-rw-r--r--core/src/fxge/ge/fx_ge_fontmap.cpp19
-rw-r--r--core/src/fxge/ge/fx_ge_path.cpp63
-rw-r--r--core/src/fxge/ge/fx_ge_ps.cpp10
-rw-r--r--core/src/fxge/ge/fx_ge_text.cpp3
5 files changed, 79 insertions, 22 deletions
diff --git a/core/src/fxge/ge/fx_ge_font.cpp b/core/src/fxge/ge/fx_ge_font.cpp
index 1896218cbf..104a23998d 100644
--- a/core/src/fxge/ge/fx_ge_font.cpp
+++ b/core/src/fxge/ge/fx_ge_font.cpp
@@ -104,6 +104,9 @@ extern "C" {
FX_BOOL _LoadFile(FXFT_Library library, FXFT_Face* Face, IFX_FileRead* pFile, FXFT_Stream* stream)
{
FXFT_Stream stream1 = (FXFT_Stream)FX_Alloc(FX_BYTE, sizeof (FXFT_StreamRec));
+ if (!stream1) {
+ return FALSE;
+ }
stream1->base = NULL;
stream1->size = (unsigned long)pFile->GetSize();
stream1->pos = 0;
@@ -174,6 +177,9 @@ static FXFT_Face FT_LoadFont(FX_LPBYTE pData, int size)
FX_BOOL CFX_Font::LoadEmbedded(FX_LPCBYTE data, FX_DWORD size)
{
m_pFontDataAllocation = FX_Alloc(FX_BYTE, size);
+ if (!m_pFontDataAllocation) {
+ return FALSE;
+ }
FXSYS_memcpy32(m_pFontDataAllocation, data, size);
m_Face = FT_LoadFont((FX_LPBYTE)m_pFontDataAllocation, size);
m_pFontData = (FX_LPBYTE)m_pFontDataAllocation;
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp
index 74f97d1b2e..f058f03bce 100644
--- a/core/src/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/src/fxge/ge/fx_ge_fontmap.cpp
@@ -564,6 +564,9 @@ CFX_ByteString CFX_FontMapper::GetPSNameFromTT(void* hFont)
FX_DWORD size = m_pFontInfo->GetFontData(hFont, 0x6e616d65, NULL, 0);
if (size) {
FX_LPBYTE buffer = FX_Alloc(FX_BYTE, size);
+ if (!buffer) {
+ return result;
+ }
m_pFontInfo->GetFontData(hFont, 0x6e616d65, buffer, size);
result = _FPDF_GetNameFromTT(buffer, 6);
FX_Free(buffer);
@@ -1206,15 +1209,21 @@ FXFT_Face CFX_FontMapper::FindSubstFont(const CFX_ByteString& name, FX_BOOL bTru
face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum, ttc_size - font_size, pFontData);
if (face == NULL) {
pFontData = FX_Alloc(FX_BYTE, ttc_size);
- m_pFontInfo->GetFontData(hFont, 0x74746366, pFontData, ttc_size);
- face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData, ttc_size,
- ttc_size - font_size);
+ if (pFontData) {
+ m_pFontInfo->GetFontData(hFont, 0x74746366, pFontData, ttc_size);
+ face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData, ttc_size,
+ ttc_size - font_size);
+ }
}
} else {
FX_LPBYTE pFontData;
face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData);
if (face == NULL) {
pFontData = FX_Alloc(FX_BYTE, font_size);
+ if (!pFontData) {
+ m_pFontInfo->DeleteFont(hFont);
+ return NULL;
+ }
m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size);
face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontData, font_size, m_pFontInfo->GetFaceIndex(hFont));
}
@@ -1371,6 +1380,10 @@ void CFX_FolderFontInfo::ScanFile(CFX_ByteString& path)
}
FX_DWORD face_bytes = nFaces * 4;
FX_LPBYTE offsets = FX_Alloc(FX_BYTE, face_bytes);
+ if (!offsets) {
+ FXSYS_fclose(pFile);
+ return;
+ }
readCnt = FXSYS_fread(offsets, face_bytes, 1, pFile);
if (readCnt != face_bytes) {
FX_Free(offsets);
diff --git a/core/src/fxge/ge/fx_ge_path.cpp b/core/src/fxge/ge/fx_ge_path.cpp
index 5982082f7b..b96a2f1163 100644
--- a/core/src/fxge/ge/fx_ge_path.cpp
+++ b/core/src/fxge/ge/fx_ge_path.cpp
@@ -4,10 +4,8 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "../../../../third_party/base/numerics/safe_math.h"
#include "../../../include/fxcrt/fx_basic.h"
#include "../../../include/fxge/fx_ge.h"
-
CFX_ClipRgn::CFX_ClipRgn(int width, int height)
{
m_Type = RectI;
@@ -122,7 +120,7 @@ CFX_PathData::~CFX_PathData()
FX_Free(m_pPoints);
}
}
-void CFX_PathData::SetPointCount(int nPoints)
+FX_BOOL CFX_PathData::SetPointCount(int nPoints)
{
m_PointCount = nPoints;
if (m_AllocCount < nPoints) {
@@ -131,13 +129,20 @@ void CFX_PathData::SetPointCount(int nPoints)
m_pPoints = NULL;
}
m_pPoints = FX_Alloc(FX_PATHPOINT, nPoints);
+ if (!m_pPoints) {
+ return FALSE;
+ }
m_AllocCount = nPoints;
}
+ return TRUE;
}
-void CFX_PathData::AllocPointCount(int nPoints)
+FX_BOOL CFX_PathData::AllocPointCount(int nPoints)
{
if (m_AllocCount < nPoints) {
FX_PATHPOINT* pNewBuf = FX_Alloc(FX_PATHPOINT, nPoints);
+ if (!pNewBuf) {
+ return FALSE;
+ }
if (m_PointCount) {
FXSYS_memcpy32(pNewBuf, m_pPoints, m_PointCount * sizeof(FX_PATHPOINT));
}
@@ -147,11 +152,16 @@ void CFX_PathData::AllocPointCount(int nPoints)
m_pPoints = pNewBuf;
m_AllocCount = nPoints;
}
+ return TRUE;
}
CFX_PathData::CFX_PathData(const CFX_PathData& src)
{
+ m_pPoints = NULL;
m_PointCount = m_AllocCount = src.m_PointCount;
m_pPoints = FX_Alloc(FX_PATHPOINT, src.m_PointCount);
+ if (!m_pPoints) {
+ return;
+ }
FXSYS_memcpy32(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount);
}
void CFX_PathData::TrimPoints(int nPoints)
@@ -161,23 +171,29 @@ void CFX_PathData::TrimPoints(int nPoints)
}
SetPointCount(nPoints);
}
-void CFX_PathData::AddPointCount(int addPoints)
+FX_BOOL CFX_PathData::AddPointCount(int addPoints)
{
- pdfium::base::CheckedNumeric<int> new_count = m_PointCount;
- new_count += addPoints;
- m_PointCount = new_count.ValueOrDie();
- AllocPointCount(m_PointCount);
+ int new_count = m_PointCount + addPoints;
+ if (!AllocPointCount(new_count)) {
+ return FALSE;
+ }
+ m_PointCount = new_count;
+ return TRUE;
}
-void CFX_PathData::Append(const CFX_PathData* pSrc, const CFX_AffineMatrix* pMatrix)
+FX_BOOL CFX_PathData::Append(const CFX_PathData* pSrc, const CFX_AffineMatrix* pMatrix)
{
int old_count = m_PointCount;
- AddPointCount(pSrc->m_PointCount);
+ if (!AddPointCount(pSrc->m_PointCount)) {
+ return FALSE;
+ }
FXSYS_memcpy32(m_pPoints + old_count, pSrc->m_pPoints, pSrc->m_PointCount * sizeof(FX_PATHPOINT));
- if (pMatrix) {
- for (int i = 0; i < pSrc->m_PointCount; i ++) {
- pMatrix->Transform(m_pPoints[old_count + i].m_PointX, m_pPoints[old_count + i].m_PointY);
- }
+ if (pMatrix == NULL) {
+ return TRUE;
}
+ for (int i = 0; i < pSrc->m_PointCount; i ++) {
+ pMatrix->Transform(m_pPoints[old_count + i].m_PointX, m_pPoints[old_count + i].m_PointY);
+ }
+ return TRUE;
}
void CFX_PathData::SetPoint(int index, FX_FLOAT x, FX_FLOAT y, int flag)
{
@@ -186,10 +202,12 @@ void CFX_PathData::SetPoint(int index, FX_FLOAT x, FX_FLOAT y, int flag)
m_pPoints[index].m_PointY = y;
m_pPoints[index].m_Flag = flag;
}
-void CFX_PathData::AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top)
+FX_BOOL CFX_PathData::AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top)
{
int old_count = m_PointCount;
- AddPointCount(5);
+ if (!AddPointCount(5)) {
+ return FALSE;
+ }
FX_PATHPOINT* pPoints = m_pPoints + old_count;
pPoints[0].m_PointX = pPoints[1].m_PointX = pPoints[4].m_PointX = left;
pPoints[2].m_PointX = pPoints[3].m_PointX = right;
@@ -198,6 +216,7 @@ void CFX_PathData::AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX
pPoints[0].m_Flag = FXPT_MOVETO;
pPoints[1].m_Flag = pPoints[2].m_Flag = pPoints[3].m_Flag = FXPT_LINETO;
pPoints[4].m_Flag = FXPT_LINETO | FXPT_CLOSEFIGURE;
+ return TRUE;
}
CFX_FloatRect CFX_PathData::GetBoundingBox() const
{
@@ -571,10 +590,13 @@ FX_BOOL CFX_PathData::IsRect(const CFX_AffineMatrix* pMatrix, CFX_FloatRect* pRe
}
return TRUE;
}
-void CFX_PathData::Copy(const CFX_PathData &src)
+FX_BOOL CFX_PathData::Copy(const CFX_PathData &src)
{
- SetPointCount(src.m_PointCount);
+ if (!SetPointCount(src.m_PointCount)) {
+ return FALSE;
+ }
FXSYS_memcpy32(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount);
+ return TRUE;
}
CFX_GraphStateData::CFX_GraphStateData()
{
@@ -605,6 +627,9 @@ void CFX_GraphStateData::Copy(const CFX_GraphStateData& src)
m_LineWidth = src.m_LineWidth;
if (m_DashCount) {
m_DashArray = FX_Alloc(FX_FLOAT, m_DashCount);
+ if (!m_DashArray) {
+ return;
+ }
FXSYS_memcpy32(m_DashArray, src.m_DashArray, m_DashCount * sizeof(FX_FLOAT));
}
}
diff --git a/core/src/fxge/ge/fx_ge_ps.cpp b/core/src/fxge/ge/fx_ge_ps.cpp
index e81b6bf362..ad572115c5 100644
--- a/core/src/fxge/ge/fx_ge_ps.cpp
+++ b/core/src/fxge/ge/fx_ge_ps.cpp
@@ -349,6 +349,9 @@ FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource, FX_DWORD color,
int pitch = (width + 7) / 8;
FX_DWORD src_size = height * pitch;
FX_LPBYTE src_buf = FX_Alloc(FX_BYTE, src_size);
+ if (!src_buf) {
+ return FALSE;
+ }
for (int row = 0; row < height; row ++) {
FX_LPCBYTE src_scan = pSource->GetScanline(row);
FXSYS_memcpy32(src_buf + row * pitch, src_scan, pitch);
@@ -422,6 +425,13 @@ FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource, FX_DWORD color,
int src_pitch = width * Bpp;
output_size = height * src_pitch;
output_buf = FX_Alloc(FX_BYTE, output_size);
+ if (!output_buf) {
+ if (pConverted != pSource) {
+ delete pConverted;
+ pConverted = NULL;
+ }
+ return FALSE;
+ }
for (int row = 0; row < height; row ++) {
FX_LPCBYTE src_scan = pConverted->GetScanline(row);
FX_LPBYTE dest_scan = output_buf + row * src_pitch;
diff --git a/core/src/fxge/ge/fx_ge_text.cpp b/core/src/fxge/ge/fx_ge_text.cpp
index f6d2fa510f..21eebb7630 100644
--- a/core/src/fxge/ge/fx_ge_text.cpp
+++ b/core/src/fxge/ge/fx_ge_text.cpp
@@ -203,6 +203,9 @@ FX_BOOL CFX_RenderDevice::DrawNormalText(int nChars, const FXTEXT_CHARPOS* pChar
CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
FX_FONTCACHE_DEFINE(pCache, pFont);
FXTEXT_GLYPHPOS* pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, nChars);
+ if (!pGlyphAndPos) {
+ return FALSE;
+ }
int iChar;
deviceCtm = char2device;
CFX_AffineMatrix matrixCTM = GetCTM();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 21:46:39 +0000