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-rw-r--r--core/src/fpdfapi/fpdf_render/fpdf_render.cpp262
-rw-r--r--core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp77
-rw-r--r--core/src/fpdfapi/fpdf_render/render_int.h25
3 files changed, 177 insertions, 187 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
index e5b4b66721..78fb3492dc 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -156,30 +156,27 @@ FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const {
// static
int CPDF_RenderStatus::s_CurrentRecursionDepth = 0;
-CPDF_RenderStatus::CPDF_RenderStatus() {
- m_pContext = NULL;
- m_bStopped = FALSE;
- m_pDevice = NULL;
- m_pCurObj = NULL;
- m_pStopObj = NULL;
- m_HalftoneLimit = 0;
- m_pObjectRenderer = NULL;
- m_bPrint = FALSE;
- m_Transparency = 0;
- m_DitherBits = 0;
- m_bDropObjects = FALSE;
- m_bStdCS = FALSE;
- m_GroupFamily = 0;
- m_bLoadMask = FALSE;
- m_pType3Char = NULL;
- m_T3FillColor = 0;
- m_pFormResource = NULL;
- m_pPageResource = NULL;
- m_curBlend = FXDIB_BLEND_NORMAL;
-}
+CPDF_RenderStatus::CPDF_RenderStatus()
+ : m_pFormResource(nullptr),
+ m_pPageResource(nullptr),
+ m_pContext(nullptr),
+ m_bStopped(FALSE),
+ m_pDevice(nullptr),
+ m_pCurObj(nullptr),
+ m_pStopObj(nullptr),
+ m_HalftoneLimit(0),
+ m_bPrint(FALSE),
+ m_Transparency(0),
+ m_DitherBits(0),
+ m_bDropObjects(FALSE),
+ m_bStdCS(FALSE),
+ m_GroupFamily(0),
+ m_bLoadMask(FALSE),
+ m_pType3Char(nullptr),
+ m_T3FillColor(0),
+ m_curBlend(FXDIB_BLEND_NORMAL) {}
CPDF_RenderStatus::~CPDF_RenderStatus() {
- delete m_pObjectRenderer;
}
FX_BOOL CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext,
@@ -239,7 +236,7 @@ FX_BOOL CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext,
} else {
m_InitialStates.DefaultStates();
}
- m_pObjectRenderer = NULL;
+ m_pObjectRenderer.reset();
m_Transparency = transparency;
return TRUE;
}
@@ -292,45 +289,46 @@ void CPDF_RenderStatus::RenderSingleObject(
}
ProcessObjectNoClip(pObj, pObj2Device);
}
+
FX_BOOL CPDF_RenderStatus::ContinueSingleObject(
const CPDF_PageObject* pObj,
const CFX_AffineMatrix* pObj2Device,
IFX_Pause* pPause) {
if (m_pObjectRenderer) {
- if (m_pObjectRenderer->Continue(pPause)) {
+ if (m_pObjectRenderer->Continue(pPause))
return TRUE;
- }
- if (!m_pObjectRenderer->m_Result) {
+
+ if (!m_pObjectRenderer->m_Result)
DrawObjWithBackground(pObj, pObj2Device);
- }
- delete m_pObjectRenderer;
- m_pObjectRenderer = NULL;
+ m_pObjectRenderer.reset();
return FALSE;
}
+
m_pCurObj = pObj;
- if (m_Options.m_pOCContext && pObj->m_ContentMark.NotNull())
- if (!m_Options.m_pOCContext->CheckObjectVisible(pObj)) {
- return FALSE;
- }
- ProcessClipPath(pObj->m_ClipPath, pObj2Device);
- if (ProcessTransparency(pObj, pObj2Device)) {
+ if (m_Options.m_pOCContext && pObj->m_ContentMark.NotNull() &&
+ !m_Options.m_pOCContext->CheckObjectVisible(pObj)) {
return FALSE;
}
+
+ ProcessClipPath(pObj->m_ClipPath, pObj2Device);
+ if (ProcessTransparency(pObj, pObj2Device))
+ return FALSE;
+
if (pObj->m_Type == PDFPAGE_IMAGE) {
- m_pObjectRenderer = IPDF_ObjectRenderer::Create(pObj->m_Type);
+ m_pObjectRenderer.reset(IPDF_ObjectRenderer::Create(pObj->m_Type));
if (!m_pObjectRenderer->Start(this, pObj, pObj2Device, FALSE)) {
- if (!m_pObjectRenderer->m_Result) {
+ if (!m_pObjectRenderer->m_Result)
DrawObjWithBackground(pObj, pObj2Device);
- }
- delete m_pObjectRenderer;
- m_pObjectRenderer = NULL;
+ m_pObjectRenderer.reset();
return FALSE;
}
return ContinueSingleObject(pObj, pObj2Device, pPause);
}
+
ProcessObjectNoClip(pObj, pObj2Device);
return FALSE;
}
+
IPDF_ObjectRenderer* IPDF_ObjectRenderer::Create(int type) {
if (type != PDFPAGE_IMAGE) {
return NULL;
@@ -627,65 +625,63 @@ FX_ARGB CPDF_RenderStatus::GetStrokeArgb(const CPDF_PageObject* pObj) const {
void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath,
const CFX_AffineMatrix* pObj2Device) {
if (ClipPath.IsNull()) {
- if (m_LastClipPath.IsNull()) {
- return;
+ if (!m_LastClipPath.IsNull()) {
+ m_pDevice->RestoreState(TRUE);
+ m_LastClipPath.SetNull();
}
- m_pDevice->RestoreState(TRUE);
- m_LastClipPath.SetNull();
return;
}
- if (m_LastClipPath == ClipPath) {
+ if (m_LastClipPath == ClipPath)
return;
- }
+
m_LastClipPath = ClipPath;
m_pDevice->RestoreState(TRUE);
int nClipPath = ClipPath.GetPathCount();
- int i;
- for (i = 0; i < nClipPath; i++) {
+ for (int i = 0; i < nClipPath; ++i) {
const CFX_PathData* pPathData = ClipPath.GetPath(i);
- if (pPathData == NULL) {
+ if (!pPathData)
continue;
- }
+
if (pPathData->GetPointCount() == 0) {
CFX_PathData EmptyPath;
EmptyPath.AppendRect(-1, -1, 0, 0);
int fill_mode = FXFILL_WINDING;
- m_pDevice->SetClip_PathFill(&EmptyPath, NULL, fill_mode);
+ m_pDevice->SetClip_PathFill(&EmptyPath, nullptr, fill_mode);
} else {
int ClipType = ClipPath.GetClipType(i);
m_pDevice->SetClip_PathFill(pPathData, pObj2Device, ClipType);
}
}
int textcount = ClipPath.GetTextCount();
- if (textcount == 0) {
+ if (textcount == 0)
return;
- }
+
if (m_pDevice->GetDeviceClass() == FXDC_DISPLAY &&
!(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)) {
return;
}
- CFX_PathData* pTextClippingPath = NULL;
- for (i = 0; i < textcount; i++) {
+
+ nonstd::unique_ptr<CFX_PathData> pTextClippingPath;
+ for (int i = 0; i < textcount; ++i) {
CPDF_TextObject* pText = ClipPath.GetText(i);
- if (pText == NULL) {
- if (pTextClippingPath) {
- int fill_mode = FXFILL_WINDING;
- if (m_Options.m_Flags & RENDER_NOTEXTSMOOTH) {
- fill_mode |= FXFILL_NOPATHSMOOTH;
- }
- m_pDevice->SetClip_PathFill(pTextClippingPath, NULL, fill_mode);
- delete pTextClippingPath;
- pTextClippingPath = NULL;
- }
- } else {
- if (pTextClippingPath == NULL) {
- pTextClippingPath = new CFX_PathData;
- }
- ProcessText(pText, pObj2Device, pTextClippingPath);
+ if (pText) {
+ if (!pTextClippingPath)
+ pTextClippingPath.reset(new CFX_PathData);
+ ProcessText(pText, pObj2Device, pTextClippingPath.get());
+ continue;
}
+
+ if (!pTextClippingPath)
+ continue;
+
+ int fill_mode = FXFILL_WINDING;
+ if (m_Options.m_Flags & RENDER_NOTEXTSMOOTH)
+ fill_mode |= FXFILL_NOPATHSMOOTH;
+ m_pDevice->SetClip_PathFill(pTextClippingPath.get(), nullptr, fill_mode);
+ pTextClippingPath.reset();
}
- delete pTextClippingPath;
}
+
void CPDF_RenderStatus::DrawClipPath(CPDF_ClipPath ClipPath,
const CFX_AffineMatrix* pObj2Device) {
if (ClipPath.IsNull()) {
@@ -829,32 +825,31 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency(
int width = FXSYS_round((FX_FLOAT)rect.Width() * scaleX);
int height = FXSYS_round((FX_FLOAT)rect.Height() * scaleY);
CFX_FxgeDevice bitmap_device;
- CFX_DIBitmap* oriDevice = NULL;
+ nonstd::unique_ptr<CFX_DIBitmap> oriDevice;
if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) {
- oriDevice = new CFX_DIBitmap;
- if (!m_pDevice->CreateCompatibleBitmap(oriDevice, width, height)) {
+ oriDevice.reset(new CFX_DIBitmap);
+ if (!m_pDevice->CreateCompatibleBitmap(oriDevice.get(), width, height))
return TRUE;
- }
- m_pDevice->GetDIBits(oriDevice, rect.left, rect.top);
+
+ m_pDevice->GetDIBits(oriDevice.get(), rect.left, rect.top);
}
- if (!bitmap_device.Create(width, height, FXDIB_Argb, 0, oriDevice)) {
+ if (!bitmap_device.Create(width, height, FXDIB_Argb, 0, oriDevice.get()))
return TRUE;
- }
+
CFX_DIBitmap* bitmap = bitmap_device.GetBitmap();
bitmap->Clear(0);
CFX_AffineMatrix new_matrix = *pObj2Device;
new_matrix.TranslateI(-rect.left, -rect.top);
new_matrix.Scale(scaleX, scaleY);
- CFX_DIBitmap* pTextMask = NULL;
+ nonstd::unique_ptr<CFX_DIBitmap> pTextMask;
if (bTextClip) {
- pTextMask = new CFX_DIBitmap;
- if (!pTextMask->Create(width, height, FXDIB_8bppMask)) {
- delete pTextMask;
+ pTextMask.reset(new CFX_DIBitmap);
+ if (!pTextMask->Create(width, height, FXDIB_8bppMask))
return TRUE;
- }
+
pTextMask->Clear(0);
CFX_FxgeDevice text_device;
- text_device.Attach(pTextMask);
+ text_device.Attach(pTextMask.get());
for (FX_DWORD i = 0; i < pPageObj->m_ClipPath.GetTextCount(); i++) {
CPDF_TextObject* textobj = pPageObj->m_ClipPath.GetText(i);
if (textobj == NULL) {
@@ -880,16 +875,14 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency(
FXSYS_memcpy(&smask_matrix, pGeneralState->m_SMaskMatrix,
sizeof smask_matrix);
smask_matrix.Concat(*pObj2Device);
- CFX_DIBSource* pSMaskSource = LoadSMask(pSMaskDict, &rect, &smask_matrix);
- if (pSMaskSource) {
- bitmap->MultiplyAlpha(pSMaskSource);
- delete pSMaskSource;
- }
+ nonstd::unique_ptr<CFX_DIBSource> pSMaskSource(
+ LoadSMask(pSMaskDict, &rect, &smask_matrix));
+ if (pSMaskSource)
+ bitmap->MultiplyAlpha(pSMaskSource.get());
}
if (pTextMask) {
- bitmap->MultiplyAlpha(pTextMask);
- delete pTextMask;
- pTextMask = NULL;
+ bitmap->MultiplyAlpha(pTextMask.get());
+ pTextMask.reset();
}
if (Transparency & PDFTRANS_GROUP && group_alpha != 1.0f) {
bitmap->MultiplyAlpha((int32_t)(group_alpha * 255));
@@ -900,9 +893,9 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency(
}
CompositeDIBitmap(bitmap, rect.left, rect.top, 0, 255, blend_type,
Transparency);
- delete oriDevice;
return TRUE;
}
+
CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj,
const FX_RECT& rect,
int& left,
@@ -917,35 +910,36 @@ CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj,
FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d);
int width = FXSYS_round(bbox.Width() * scaleX);
int height = FXSYS_round(bbox.Height() * scaleY);
- CFX_DIBitmap* pBackdrop = new CFX_DIBitmap;
- if (bBackAlphaRequired && !m_bDropObjects) {
+ nonstd::unique_ptr<CFX_DIBitmap> pBackdrop(new CFX_DIBitmap);
+ if (bBackAlphaRequired && !m_bDropObjects)
pBackdrop->Create(width, height, FXDIB_Argb);
- } else {
- m_pDevice->CreateCompatibleBitmap(pBackdrop, width, height);
- }
- if (pBackdrop->GetBuffer() == NULL) {
- delete pBackdrop;
- return NULL;
- }
+ else
+ m_pDevice->CreateCompatibleBitmap(pBackdrop.get(), width, height);
+
+ if (!pBackdrop->GetBuffer())
+ return nullptr;
+
FX_BOOL bNeedDraw;
- if (pBackdrop->HasAlpha()) {
+ if (pBackdrop->HasAlpha())
bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT);
- } else {
+ else
bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_GET_BITS);
- }
+
if (!bNeedDraw) {
- m_pDevice->GetDIBits(pBackdrop, left, top);
- return pBackdrop;
+ m_pDevice->GetDIBits(pBackdrop.get(), left, top);
+ return pBackdrop.release();
}
+
CFX_AffineMatrix FinalMatrix = m_DeviceMatrix;
FinalMatrix.TranslateI(-left, -top);
FinalMatrix.Scale(scaleX, scaleY);
pBackdrop->Clear(pBackdrop->HasAlpha() ? 0 : 0xffffffff);
CFX_FxgeDevice device;
- device.Attach(pBackdrop);
+ device.Attach(pBackdrop.get());
m_pContext->Render(&device, pObj, &m_Options, &FinalMatrix);
- return pBackdrop;
+ return pBackdrop.release();
}
+
void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer,
const CPDF_PageObject* pObj,
const CPDF_RenderOptions* pOptions,
@@ -1223,7 +1217,7 @@ CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj) {
return pTransferCounter->AddRef();
}
- CPDF_Function* pFuncs[3] = {nullptr, nullptr, nullptr};
+ nonstd::unique_ptr<CPDF_Function> pFuncs[3];
FX_BOOL bUniTransfer = TRUE;
FX_BOOL bIdentity = TRUE;
if (CPDF_Array* pArray = pObj->AsArray()) {
@@ -1232,19 +1226,16 @@ CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj) {
return nullptr;
for (FX_DWORD i = 0; i < 3; ++i) {
- pFuncs[2 - i] = CPDF_Function::Load(pArray->GetElementValue(i));
- if (!pFuncs[2 - i]) {
+ pFuncs[2 - i].reset(CPDF_Function::Load(pArray->GetElementValue(i)));
+ if (!pFuncs[2 - i])
return nullptr;
- }
}
} else {
- pFuncs[0] = CPDF_Function::Load(pObj);
- if (!pFuncs[0]) {
+ pFuncs[0].reset(CPDF_Function::Load(pObj));
+ if (!pFuncs[0])
return nullptr;
- }
}
- CPDF_TransferFunc* pTransfer = new CPDF_TransferFunc;
- pTransfer->m_pPDFDoc = m_pPDFDoc;
+ CPDF_TransferFunc* pTransfer = new CPDF_TransferFunc(m_pPDFDoc);
CPDF_CountedObject<CPDF_TransferFunc>* pTransferCounter =
new CPDF_CountedObject<CPDF_TransferFunc>(pTransfer);
m_TransferFuncMap[pObj] = pTransferCounter;
@@ -1278,8 +1269,6 @@ CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj) {
}
}
}
- for (int i = 0; i < 3; ++i)
- delete pFuncs[i];
pTransfer->m_bIdentity = bIdentity;
return pTransferCounter->AddRef();
@@ -1295,15 +1284,13 @@ CPDF_RenderConfig::CPDF_RenderConfig() {
m_RenderStepLimit = 100;
}
CPDF_RenderConfig::~CPDF_RenderConfig() {}
-CPDF_DeviceBuffer::CPDF_DeviceBuffer() {
- m_pBitmap = NULL;
- m_pDevice = NULL;
- m_pContext = NULL;
- m_pObject = NULL;
-}
+
+CPDF_DeviceBuffer::CPDF_DeviceBuffer()
+ : m_pDevice(nullptr), m_pContext(nullptr), m_pObject(nullptr) {}
+
CPDF_DeviceBuffer::~CPDF_DeviceBuffer() {
- delete m_pBitmap;
}
+
FX_BOOL CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext,
CFX_RenderDevice* pDevice,
FX_RECT* pRect,
@@ -1337,16 +1324,16 @@ FX_BOOL CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext,
CFX_FloatRect rect(*pRect);
m_Matrix.TransformRect(rect);
FX_RECT bitmap_rect = rect.GetOutterRect();
- m_pBitmap = new CFX_DIBitmap;
+ m_pBitmap.reset(new CFX_DIBitmap);
m_pBitmap->Create(bitmap_rect.Width(), bitmap_rect.Height(), FXDIB_Argb);
return TRUE;
}
void CPDF_DeviceBuffer::OutputToDevice() {
if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) {
if (m_Matrix.a == 1.0f && m_Matrix.d == 1.0f) {
- m_pDevice->SetDIBits(m_pBitmap, m_Rect.left, m_Rect.top);
+ m_pDevice->SetDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top);
} else {
- m_pDevice->StretchDIBits(m_pBitmap, m_Rect.left, m_Rect.top,
+ m_pDevice->StretchDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top,
m_Rect.Width(), m_Rect.Height());
}
} else {
@@ -1355,17 +1342,16 @@ void CPDF_DeviceBuffer::OutputToDevice() {
m_pBitmap->GetHeight());
m_pContext->GetBackground(&buffer, m_pObject, NULL, &m_Matrix);
buffer.CompositeBitmap(0, 0, buffer.GetWidth(), buffer.GetHeight(),
- m_pBitmap, 0, 0);
+ m_pBitmap.get(), 0, 0);
m_pDevice->StretchDIBits(&buffer, m_Rect.left, m_Rect.top, m_Rect.Width(),
m_Rect.Height());
}
}
-CPDF_ScaledRenderBuffer::CPDF_ScaledRenderBuffer() {
- m_pBitmapDevice = NULL;
-}
-CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer() {
- delete m_pBitmapDevice;
-}
+
+CPDF_ScaledRenderBuffer::CPDF_ScaledRenderBuffer() {}
+
+CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer() {}
+
#define _FPDFAPI_IMAGESIZE_LIMIT_ (30 * 1024 * 1024)
FX_BOOL CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext,
CFX_RenderDevice* pDevice,
@@ -1396,7 +1382,7 @@ FX_BOOL CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext,
m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
}
}
- m_pBitmapDevice = new CFX_FxgeDevice;
+ m_pBitmapDevice.reset(new CFX_FxgeDevice);
FXDIB_Format dibFormat = FXDIB_Rgb;
int32_t bpp = 24;
if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_ALPHA_OUTPUT) {
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
index b51520aa84..0a45167632 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
@@ -104,36 +104,40 @@ void CPDF_RenderStatus::CompositeDIBitmap(CFX_DIBitmap* pDIBitmap,
int back_left, back_top;
FX_RECT rect(left, top, left + pDIBitmap->GetWidth(),
top + pDIBitmap->GetHeight());
- CFX_DIBitmap* pBackdrop =
+ nonstd::unique_ptr<CFX_DIBitmap> pBackdrop(
GetBackdrop(m_pCurObj, rect, back_left, back_top,
- blend_mode > FXDIB_BLEND_NORMAL && bIsolated);
- if (!pBackdrop) {
+ blend_mode > FXDIB_BLEND_NORMAL && bIsolated));
+ if (!pBackdrop)
return;
- }
- if (!pDIBitmap->IsAlphaMask())
+
+ if (!pDIBitmap->IsAlphaMask()) {
pBackdrop->CompositeBitmap(left - back_left, top - back_top,
pDIBitmap->GetWidth(), pDIBitmap->GetHeight(),
pDIBitmap, 0, 0, blend_mode);
- else
+ } else {
pBackdrop->CompositeMask(left - back_left, top - back_top,
pDIBitmap->GetWidth(), pDIBitmap->GetHeight(),
pDIBitmap, mask_argb, 0, 0, blend_mode);
- CFX_DIBitmap* pBackdrop1 = new CFX_DIBitmap;
+ }
+
+ nonstd::unique_ptr<CFX_DIBitmap> pBackdrop1(new CFX_DIBitmap);
pBackdrop1->Create(pBackdrop->GetWidth(), pBackdrop->GetHeight(),
FXDIB_Rgb32);
pBackdrop1->Clear((FX_DWORD)-1);
pBackdrop1->CompositeBitmap(0, 0, pBackdrop->GetWidth(),
- pBackdrop->GetHeight(), pBackdrop, 0, 0);
- delete pBackdrop;
- pBackdrop = pBackdrop1;
- m_pDevice->SetDIBits(pBackdrop, back_left, back_top);
- delete pBackdrop;
+ pBackdrop->GetHeight(), pBackdrop.get(), 0, 0);
+ pBackdrop = nonstd::move(pBackdrop1);
+ m_pDevice->SetDIBits(pBackdrop.get(), back_left, back_top);
}
-FX_COLORREF CPDF_TransferFunc::TranslateColor(FX_COLORREF rgb) {
+
+CPDF_TransferFunc::CPDF_TransferFunc(CPDF_Document* pDoc) : m_pPDFDoc(pDoc) {}
+
+FX_COLORREF CPDF_TransferFunc::TranslateColor(FX_COLORREF rgb) const {
return FXSYS_RGB(m_Samples[FXSYS_GetRValue(rgb)],
m_Samples[256 + FXSYS_GetGValue(rgb)],
m_Samples[512 + FXSYS_GetBValue(rgb)]);
}
+
CFX_DIBSource* CPDF_TransferFunc::TranslateImage(const CFX_DIBSource* pSrc,
FX_BOOL bAutoDropSrc) {
CPDF_DIBTransferFunc* pDest = new CPDF_DIBTransferFunc(this);
@@ -770,14 +774,12 @@ FX_BOOL CPDF_ImageRenderer::StartDIBSource() {
FX_RECT dest_clip(
dest_rect.left - image_rect.left, dest_rect.top - image_rect.top,
dest_rect.right - image_rect.left, dest_rect.bottom - image_rect.top);
- CFX_DIBitmap* pStretched =
- m_pDIBSource->StretchTo(dest_width, dest_height, m_Flags, &dest_clip);
+ nonstd::unique_ptr<CFX_DIBitmap> pStretched(
+ m_pDIBSource->StretchTo(dest_width, dest_height, m_Flags, &dest_clip));
if (pStretched) {
- m_pRenderStatus->CompositeDIBitmap(pStretched, dest_rect.left,
+ m_pRenderStatus->CompositeDIBitmap(pStretched.get(), dest_rect.left,
dest_rect.top, m_FillArgb, m_BitmapAlpha,
m_BlendType, FALSE);
- delete pStretched;
- pStretched = NULL;
}
return FALSE;
}
@@ -797,15 +799,14 @@ FX_BOOL CPDF_ImageRenderer::StartBitmapAlpha() {
if (FXSYS_fabs(m_ImageMatrix.b) >= 0.5f ||
FXSYS_fabs(m_ImageMatrix.c) >= 0.5f) {
int left, top;
- CFX_DIBitmap* pTransformed =
- pAlphaMask->TransformTo(&m_ImageMatrix, left, top);
- if (pTransformed == NULL) {
+ nonstd::unique_ptr<CFX_DIBitmap> pTransformed(
+ pAlphaMask->TransformTo(&m_ImageMatrix, left, top));
+ if (!pTransformed)
return TRUE;
- }
+
m_pRenderStatus->m_pDevice->SetBitMask(
- pTransformed, left, top,
+ pTransformed.get(), left, top,
ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha));
- delete pTransformed;
} else {
CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect();
FX_RECT image_rect = image_rect_f.GetOutterRect();
@@ -1045,7 +1046,6 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict,
if (pSMaskDict == NULL) {
return NULL;
}
- CFX_DIBitmap* pMask = NULL;
int width = pClipRect->right - pClipRect->left;
int height = pClipRect->bottom - pClipRect->top;
FX_BOOL bLuminosity = FALSE;
@@ -1054,10 +1054,10 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict,
if (pGroup == NULL) {
return NULL;
}
- CPDF_Function* pFunc = NULL;
+ nonstd::unique_ptr<CPDF_Function> pFunc;
CPDF_Object* pFuncObj = pSMaskDict->GetElementValue(FX_BSTRC("TR"));
if (pFuncObj && (pFuncObj->IsDictionary() || pFuncObj->IsStream()))
- pFunc = CPDF_Function::Load(pFuncObj);
+ pFunc.reset(CPDF_Function::Load(pFuncObj));
CFX_AffineMatrix matrix = *pMatrix;
matrix.TranslateI(-pClipRect->left, -pClipRect->top);
@@ -1128,27 +1128,26 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict,
&options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0,
pCS ? pCS->GetFamily() : 0, bLuminosity);
status.RenderObjectList(&form, &matrix);
- pMask = new CFX_DIBitmap;
- if (!pMask->Create(width, height, FXDIB_8bppMask)) {
- delete pMask;
- return NULL;
- }
+ nonstd::unique_ptr<CFX_DIBitmap> pMask(new CFX_DIBitmap);
+ if (!pMask->Create(width, height, FXDIB_8bppMask))
+ return nullptr;
+
uint8_t* dest_buf = pMask->GetBuffer();
int dest_pitch = pMask->GetPitch();
uint8_t* src_buf = bitmap.GetBuffer();
int src_pitch = bitmap.GetPitch();
- uint8_t* pTransfer = FX_Alloc(uint8_t, 256);
+ std::vector<uint8_t> transfers(256);
if (pFunc) {
CFX_FixedBufGrow<FX_FLOAT, 16> results(pFunc->CountOutputs());
for (int i = 0; i < 256; i++) {
FX_FLOAT input = (FX_FLOAT)i / 255.0f;
int nresult;
pFunc->Call(&input, 1, results, nresult);
- pTransfer[i] = FXSYS_round(results[0] * 255);
+ transfers[i] = FXSYS_round(results[0] * 255);
}
} else {
for (int i = 0; i < 256; i++) {
- pTransfer[i] = i;
+ transfers[i] = i;
}
}
if (bLuminosity) {
@@ -1157,19 +1156,17 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict,
uint8_t* dest_pos = dest_buf + row * dest_pitch;
uint8_t* src_pos = src_buf + row * src_pitch;
for (int col = 0; col < width; col++) {
- *dest_pos++ = pTransfer[FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos)];
+ *dest_pos++ = transfers[FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos)];
src_pos += Bpp;
}
}
} else if (pFunc) {
int size = dest_pitch * height;
for (int i = 0; i < size; i++) {
- dest_buf[i] = pTransfer[src_buf[i]];
+ dest_buf[i] = transfers[src_buf[i]];
}
} else {
FXSYS_memcpy(dest_buf, src_buf, dest_pitch * height);
}
- delete pFunc;
- FX_Free(pTransfer);
- return pMask;
+ return pMask.release();
}
diff --git a/core/src/fpdfapi/fpdf_render/render_int.h b/core/src/fpdfapi/fpdf_render/render_int.h
index ed44c26d41..dbc9f1102b 100644
--- a/core/src/fpdfapi/fpdf_render/render_int.h
+++ b/core/src/fpdfapi/fpdf_render/render_int.h
@@ -54,15 +54,18 @@ class CPDF_Type3Cache {
CPDF_Type3Font* const m_pFont;
std::map<CFX_ByteString, CPDF_Type3Glyphs*> m_SizeMap;
};
+
class CPDF_TransferFunc {
public:
- CPDF_Document* m_pPDFDoc;
- uint8_t m_Samples[256 * 3];
- FX_BOOL m_bIdentity;
+ explicit CPDF_TransferFunc(CPDF_Document* pDoc);
+ FX_COLORREF TranslateColor(FX_COLORREF src) const;
CFX_DIBSource* TranslateImage(const CFX_DIBSource* pSrc,
FX_BOOL bAutoDropSrc);
- FX_COLORREF TranslateColor(FX_COLORREF src);
+
+ CPDF_Document* const m_pPDFDoc;
+ FX_BOOL m_bIdentity;
+ uint8_t m_Samples[256 * 3];
};
class CPDF_DocRenderData {
@@ -253,7 +256,7 @@ class CPDF_RenderStatus {
const CPDF_PageObject* m_pStopObj;
CPDF_GraphicStates m_InitialStates;
int m_HalftoneLimit;
- IPDF_ObjectRenderer* m_pObjectRenderer;
+ nonstd::unique_ptr<IPDF_ObjectRenderer> m_pObjectRenderer;
FX_BOOL m_bPrint;
int m_Transparency;
int m_DitherBits;
@@ -382,6 +385,7 @@ class CPDF_ScaledRenderBuffer {
public:
CPDF_ScaledRenderBuffer();
~CPDF_ScaledRenderBuffer();
+
FX_BOOL Initialize(CPDF_RenderContext* pContext,
CFX_RenderDevice* pDevice,
FX_RECT* pRect,
@@ -389,7 +393,7 @@ class CPDF_ScaledRenderBuffer {
const CPDF_RenderOptions* pOptions = NULL,
int max_dpi = 0);
CFX_RenderDevice* GetDevice() {
- return m_pBitmapDevice ? m_pBitmapDevice : m_pDevice;
+ return m_pBitmapDevice ? m_pBitmapDevice.get() : m_pDevice;
}
CFX_AffineMatrix* GetMatrix() { return &m_Matrix; }
void OutputToDevice();
@@ -399,9 +403,10 @@ class CPDF_ScaledRenderBuffer {
CPDF_RenderContext* m_pContext;
FX_RECT m_Rect;
const CPDF_PageObject* m_pObject;
- CFX_FxgeDevice* m_pBitmapDevice;
+ nonstd::unique_ptr<CFX_FxgeDevice> m_pBitmapDevice;
CFX_AffineMatrix m_Matrix;
};
+
class ICodec_ScanlineDecoder;
class CPDF_QuickStretcher {
public:
@@ -421,6 +426,7 @@ class CPDF_QuickStretcher {
CPDF_StreamAcc m_StreamAcc;
int m_LineIndex;
};
+
class CPDF_DeviceBuffer {
public:
CPDF_DeviceBuffer();
@@ -431,7 +437,7 @@ class CPDF_DeviceBuffer {
const CPDF_PageObject* pObj,
int max_dpi = 0);
void OutputToDevice();
- CFX_DIBitmap* GetBitmap() const { return m_pBitmap; }
+ CFX_DIBitmap* GetBitmap() const { return m_pBitmap.get(); }
const CFX_AffineMatrix* GetMatrix() const { return &m_Matrix; }
private:
@@ -439,9 +445,10 @@ class CPDF_DeviceBuffer {
CPDF_RenderContext* m_pContext;
FX_RECT m_Rect;
const CPDF_PageObject* m_pObject;
- CFX_DIBitmap* m_pBitmap;
+ nonstd::unique_ptr<CFX_DIBitmap> m_pBitmap;
CFX_AffineMatrix m_Matrix;
};
+
class CPDF_ImageCache {
public:
CPDF_ImageCache(CPDF_Document* pDoc, CPDF_Stream* pStream);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 16:54:55 +0000