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-rw-r--r--core/fpdfapi/page/cpdf_streamcontentparser.cpp6
-rw-r--r--core/fpdfapi/render/cpdf_progressiverenderer.cpp21
-rw-r--r--core/fpdfapi/render/cpdf_renderstatus.cpp2
-rw-r--r--core/fpdfapi/render/cpdf_renderstatus.h3
-rw-r--r--fpdfsdk/fpdfview.cpp16
5 files changed, 32 insertions, 16 deletions
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.cpp b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
index 692de0f5eb..1e6bf6c3c8 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
@@ -658,7 +658,11 @@ void CPDF_StreamContentParser::Handle_BeginImage() {
break;
}
}
- AddImage(std::move(pStream));
+ CPDF_ImageObject* pObj = AddImage(std::move(pStream));
+ // Record the bounding box of this image, so rendering code can draw it
+ // properly.
+ if (pObj->GetImage()->IsMask())
+ m_pObjectHolder->AddImageMaskBoundingBox(pObj->GetRect());
}
void CPDF_StreamContentParser::Handle_BeginMarkedContent() {
diff --git a/core/fpdfapi/render/cpdf_progressiverenderer.cpp b/core/fpdfapi/render/cpdf_progressiverenderer.cpp
index 4ddc528342..c61902cda7 100644
--- a/core/fpdfapi/render/cpdf_progressiverenderer.cpp
+++ b/core/fpdfapi/render/cpdf_progressiverenderer.cpp
@@ -72,12 +72,23 @@ void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) {
iter = m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->begin();
}
int nObjsToGo = kStepLimit;
+ bool is_mask = false;
while (iter != iterEnd) {
CPDF_PageObject* pCurObj = iter->get();
if (pCurObj && pCurObj->m_Left <= m_ClipRect.right &&
pCurObj->m_Right >= m_ClipRect.left &&
pCurObj->m_Bottom <= m_ClipRect.top &&
pCurObj->m_Top >= m_ClipRect.bottom) {
+ if (m_pOptions->m_Flags & RENDER_BREAKFORMASKS && pCurObj->IsImage() &&
+ pCurObj->AsImage()->GetImage()->IsMask()) {
+ if (m_pDevice->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
+ m_LastObjectRendered = iter;
+ m_pRenderStatus->ProcessClipPath(pCurObj->m_ClipPath,
+ &m_pCurrentLayer->m_Matrix);
+ return;
+ }
+ is_mask = true;
+ }
if (m_pRenderStatus->ContinueSingleObject(
pCurObj, &m_pCurrentLayer->m_Matrix, pPause)) {
return;
@@ -98,20 +109,20 @@ void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) {
return;
nObjsToGo = kStepLimit;
}
- if (pCurObj->IsImage() && pCurObj->AsImage()->GetImage()->IsMask() &&
- (m_pOptions->m_Flags & RENDER_BREAKFORMASKS)) {
- return;
- }
++iter;
+ if (is_mask && iter != iterEnd)
+ return;
}
if (m_pCurrentLayer->m_pObjectHolder->IsParsed()) {
m_pRenderStatus.reset();
m_pDevice->RestoreState(false);
m_pCurrentLayer = nullptr;
m_LayerIndex++;
- if (pPause && pPause->NeedToPauseNow()) {
+ if (is_mask || (pPause && pPause->NeedToPauseNow())) {
return;
}
+ } else if (is_mask) {
+ return;
} else {
m_pCurrentLayer->m_pObjectHolder->ContinueParse(pPause);
if (!m_pCurrentLayer->m_pObjectHolder->IsParsed())
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp
index 6c5d7bc102..439ad4e5f0 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -1383,7 +1383,7 @@ FX_ARGB CPDF_RenderStatus::GetStrokeArgb(CPDF_PageObject* pObj) const {
return m_Options.TranslateColor(ArgbEncode(alpha, rgb));
}
-void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath,
+void CPDF_RenderStatus::ProcessClipPath(const CPDF_ClipPath& ClipPath,
const CFX_Matrix* pObj2Device) {
if (!ClipPath.HasRef()) {
if (m_LastClipPath.HasRef()) {
diff --git a/core/fpdfapi/render/cpdf_renderstatus.h b/core/fpdfapi/render/cpdf_renderstatus.h
index 47fbac8a7c..cfaa966ed1 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.h
+++ b/core/fpdfapi/render/cpdf_renderstatus.h
@@ -62,6 +62,8 @@ class CPDF_RenderStatus {
bool ContinueSingleObject(CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device,
IFX_Pause* pPause);
+ void ProcessClipPath(const CPDF_ClipPath& ClipPath,
+ const CFX_Matrix* pObj2Device);
CPDF_RenderContext* GetContext() const { return m_pContext.Get(); }
#if defined _SKIA_SUPPORT_
@@ -77,7 +79,6 @@ class CPDF_RenderStatus {
friend class CPDF_ImageRenderer;
friend class CPDF_RenderContext;
- void ProcessClipPath(CPDF_ClipPath ClipPath, const CFX_Matrix* pObj2Device);
bool ProcessTransparency(CPDF_PageObject* PageObj,
const CFX_Matrix* pObj2Device);
void ProcessObjectNoClip(CPDF_PageObject* PageObj,
diff --git a/fpdfsdk/fpdfview.cpp b/fpdfsdk/fpdfview.cpp
index 51d9c9f6a3..964d769d2b 100644
--- a/fpdfsdk/fpdfview.cpp
+++ b/fpdfsdk/fpdfview.cpp
@@ -765,6 +765,9 @@ FX_RECT GetMaskDimensionsAndOffsets(CPDF_Page* pPage,
// Compute offsets
int offset_x = 0;
int offset_y = 0;
+ if (size_x > size_y)
+ std::swap(size_x_bm, size_y_bm);
+
switch ((rotate + page_rotation) % 4) {
case 0:
offset_x = start_x_bm + start_x;
@@ -829,9 +832,8 @@ void RenderBitmap(CFX_RenderDevice* device,
FXDIB_BLEND_NORMAL, nullptr, false);
if (device->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
- device->StretchDIBitsWithFlagsAndBlend(pDst, mask_area.left, mask_area.top,
- size_x_bm, size_y_bm, 0,
- FXDIB_BLEND_NORMAL);
+ device->StretchDIBits(pDst, mask_area.left, mask_area.top, size_x_bm,
+ size_y_bm);
} else {
device->SetDIBits(pDst, mask_area.left, mask_area.top);
}
@@ -854,16 +856,14 @@ FPDF_EXPORT void FPDF_CALLCONV FPDF_RenderPage(HDC dc,
CPDF_PageRenderContext* pContext = pPage->GetRenderContext();
CFX_RetainPtr<CFX_DIBitmap> pBitmap;
- // TODO(rbpotter): Restore the behavior described below after resolving
- // crbug.com/753700
// Don't render the full page to bitmap for a mask unless there are a lot
// of masks. Full page bitmaps result in large spool sizes, so they should
// only be used when necessary. For large numbers of masks, rendering each
// individually is inefficient and unlikely to significantly improve spool
- // size. This fix is temporarily disabled due to crbug.com/753700 so all
- // image masks will result in the full page rendering as bitmap.
+ // size.
const bool bNewBitmap =
- pPage->BackgroundAlphaNeeded() || pPage->HasImageMask();
+ pPage->BackgroundAlphaNeeded() ||
+ (pPage->HasImageMask() && pPage->GetMaskBoundingBoxes().size() > 100);
const bool bHasMask = pPage->HasImageMask() && !bNewBitmap;
if (bNewBitmap || bHasMask) {
pBitmap = pdfium::MakeRetain<CFX_DIBitmap>();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 09:18:09 +0000