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-rw-r--r--core/include/fpdfapi/fpdf_module.h2
-rw-r--r--core/include/fpdfapi/fpdf_render.h16
-rw-r--r--core/src/fpdfapi/fpdf_render/fpdf_render.cpp146
3 files changed, 49 insertions, 115 deletions
diff --git a/core/include/fpdfapi/fpdf_module.h b/core/include/fpdfapi/fpdf_module.h
index 6a17a489c2..6888e81000 100644
--- a/core/include/fpdfapi/fpdf_module.h
+++ b/core/include/fpdfapi/fpdf_module.h
@@ -26,7 +26,6 @@ class CPDF_Image;
class CPDF_Page;
class CPDF_PageObjectList;
class CPDF_PageRenderCache;
-class CPDF_RenderConfig;
class CPDF_RenderOptions;
class CPDF_Stream;
class ICodec_FaxModule;
@@ -107,7 +106,6 @@ class IPDF_RenderModule {
virtual CPDF_DocRenderData* GetRenderData() = 0;
virtual CPDF_PageRenderCache* CreatePageCache(CPDF_Page* pPage) = 0;
virtual void DestroyPageCache(CPDF_PageRenderCache*) = 0;
- virtual CPDF_RenderConfig* GetConfig() = 0;
};
#endif // CORE_INCLUDE_FPDFAPI_FPDF_MODULE_H_
diff --git a/core/include/fpdfapi/fpdf_render.h b/core/include/fpdfapi/fpdf_render.h
index 2637dd3252..ec5d151914 100644
--- a/core/include/fpdfapi/fpdf_render.h
+++ b/core/include/fpdfapi/fpdf_render.h
@@ -136,11 +136,13 @@ class CPDF_ProgressiveRenderer {
Status GetStatus() const { return m_Status; }
void Start(IFX_Pause* pPause);
void Continue(IFX_Pause* pPause);
- int EstimateProgress();
private:
void RenderStep();
+ // Maximum page objects to render before checking for pause.
+ static const int kStepLimit = 100;
+
Status m_Status;
CPDF_RenderContext* const m_pContext;
CFX_RenderDevice* const m_pDevice;
@@ -148,9 +150,8 @@ class CPDF_ProgressiveRenderer {
std::unique_ptr<CPDF_RenderStatus> m_pRenderStatus;
CFX_FloatRect m_ClipRect;
FX_DWORD m_LayerIndex;
- FX_DWORD m_ObjectIndex;
- FX_POSITION m_ObjectPos;
- FX_POSITION m_PrevLastPos;
+ CPDF_RenderContext::Layer* m_pCurrentLayer;
+ FX_POSITION m_LastObjectRendered;
};
class CPDF_TextRenderer {
@@ -261,13 +262,6 @@ class CPDF_PageRenderCache {
FX_DWORD m_nCacheSize;
FX_BOOL m_bCurFindCache;
};
-class CPDF_RenderConfig {
- public:
- CPDF_RenderConfig();
- ~CPDF_RenderConfig();
- int m_HalftoneLimit;
- int m_RenderStepLimit;
-};
FX_BOOL IsAvailableMatrix(const CFX_Matrix& matrix);
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
index eeee03485a..0ea941a1e6 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -4,7 +4,7 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "render_int.h"
+#include "core/src/fpdfapi/fpdf_render/render_int.h"
#include "core/include/fpdfapi/fpdf_module.h"
#include "core/include/fpdfapi/fpdf_render.h"
@@ -87,10 +87,7 @@ class CPDF_RenderModule : public IPDF_RenderModule {
void DestroyPageCache(CPDF_PageRenderCache* pCache) override;
- CPDF_RenderConfig* GetConfig() override { return &m_RenderConfig; }
-
CPDF_DocRenderData m_RenderData;
- CPDF_RenderConfig m_RenderConfig;
};
CPDF_DocRenderData* CPDF_RenderModule::CreateDocData(CPDF_Document* pDoc) {
@@ -1038,10 +1035,8 @@ CPDF_ProgressiveRenderer::CPDF_ProgressiveRenderer(
m_pDevice(pDevice),
m_pOptions(pOptions),
m_LayerIndex(0),
- m_ObjectIndex(0),
- m_ObjectPos(nullptr),
- m_PrevLastPos(nullptr) {
-}
+ m_pCurrentLayer(nullptr),
+ m_LastObjectRendered(nullptr) {}
CPDF_ProgressiveRenderer::~CPDF_ProgressiveRenderer() {
if (m_pRenderStatus)
@@ -1058,66 +1053,41 @@ void CPDF_ProgressiveRenderer::Start(IFX_Pause* pPause) {
}
void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) {
- if (m_Status != ToBeContinued) {
- return;
- }
- FX_DWORD nLayers = m_pContext->CountLayers();
- for (; m_LayerIndex < nLayers; m_LayerIndex++) {
- CPDF_RenderContext::Layer* pLayer = m_pContext->GetLayer(m_LayerIndex);
- FX_POSITION LastPos = pLayer->m_pObjectList->GetLastObjectPosition();
- if (!m_ObjectPos) {
- if (LastPos == m_PrevLastPos) {
- if (!pLayer->m_pObjectList->IsParsed()) {
- pLayer->m_pObjectList->ContinueParse(pPause);
- if (!pLayer->m_pObjectList->IsParsed()) {
- return;
- }
- LastPos = pLayer->m_pObjectList->GetLastObjectPosition();
- }
- }
- if (LastPos == m_PrevLastPos) {
- if (m_pRenderStatus) {
- m_pRenderStatus.reset();
- m_pDevice->RestoreState();
- m_ObjectPos = NULL;
- m_PrevLastPos = NULL;
- }
- continue;
+ while (m_Status == ToBeContinued) {
+ if (!m_pCurrentLayer) {
+ if (m_LayerIndex >= m_pContext->CountLayers()) {
+ m_Status = Done;
+ return;
}
- if (m_PrevLastPos) {
- m_ObjectPos = m_PrevLastPos;
- pLayer->m_pObjectList->GetNextObject(m_ObjectPos);
- } else {
- m_ObjectPos = pLayer->m_pObjectList->GetFirstObjectPosition();
- }
- m_PrevLastPos = LastPos;
- }
- if (!m_pRenderStatus) {
- m_ObjectPos = pLayer->m_pObjectList->GetFirstObjectPosition();
- m_ObjectIndex = 0;
+ m_pCurrentLayer = m_pContext->GetLayer(m_LayerIndex);
+ m_LastObjectRendered = nullptr;
m_pRenderStatus.reset(new CPDF_RenderStatus());
m_pRenderStatus->Initialize(
m_pContext, m_pDevice, NULL, NULL, NULL, NULL, m_pOptions,
- pLayer->m_pObjectList->m_Transparency, FALSE, NULL);
+ m_pCurrentLayer->m_pObjectList->m_Transparency, FALSE, NULL);
m_pDevice->SaveState();
m_ClipRect = m_pDevice->GetClipBox();
CFX_Matrix device2object;
- device2object.SetReverse(pLayer->m_Matrix);
+ device2object.SetReverse(m_pCurrentLayer->m_Matrix);
device2object.TransformRect(m_ClipRect);
}
- int objs_to_go = CPDF_ModuleMgr::Get()
- ->GetRenderModule()
- ->GetConfig()
- ->m_RenderStepLimit;
- while (m_ObjectPos) {
+ FX_POSITION pos;
+ if (m_LastObjectRendered) {
+ pos = m_LastObjectRendered;
+ m_pCurrentLayer->m_pObjectList->GetNextObject(pos);
+ } else {
+ pos = m_pCurrentLayer->m_pObjectList->GetFirstObjectPosition();
+ }
+ int nObjsToGo = kStepLimit;
+ while (pos) {
CPDF_PageObject* pCurObj =
- pLayer->m_pObjectList->GetObjectAt(m_ObjectPos);
+ m_pCurrentLayer->m_pObjectList->GetObjectAt(pos);
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_pRenderStatus->ContinueSingleObject(pCurObj, &pLayer->m_Matrix,
- pPause)) {
+ if (m_pRenderStatus->ContinueSingleObject(
+ pCurObj, &m_pCurrentLayer->m_Matrix, pPause)) {
return;
}
if (pCurObj->m_Type == CPDF_PageObject::IMAGE &&
@@ -1127,59 +1097,36 @@ void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) {
}
if (pCurObj->m_Type == CPDF_PageObject::FORM ||
pCurObj->m_Type == CPDF_PageObject::SHADING) {
- objs_to_go = 0;
+ nObjsToGo = 0;
} else {
- objs_to_go--;
+ --nObjsToGo;
}
}
- m_ObjectIndex++;
- pLayer->m_pObjectList->GetNextObject(m_ObjectPos);
- if (objs_to_go == 0) {
- if (pPause && pPause->NeedToPauseNow()) {
+ m_LastObjectRendered = pos;
+ if (nObjsToGo == 0) {
+ if (pPause && pPause->NeedToPauseNow())
return;
- }
- objs_to_go = CPDF_ModuleMgr::Get()
- ->GetRenderModule()
- ->GetConfig()
- ->m_RenderStepLimit;
+ nObjsToGo = kStepLimit;
}
+ m_pCurrentLayer->m_pObjectList->GetNextObject(pos);
}
- if (!pLayer->m_pObjectList->IsParsed()) {
- return;
- }
- m_pRenderStatus.reset();
- m_pDevice->RestoreState();
- m_ObjectPos = NULL;
- m_PrevLastPos = NULL;
- if (pPause && pPause->NeedToPauseNow()) {
+ if (m_pCurrentLayer->m_pObjectList->IsParsed()) {
+ m_pRenderStatus.reset();
+ m_pDevice->RestoreState();
+ m_pCurrentLayer = nullptr;
+ m_LastObjectRendered = nullptr;
m_LayerIndex++;
- return;
- }
- }
- m_Status = Done;
-}
-int CPDF_ProgressiveRenderer::EstimateProgress() {
- if (!m_pContext) {
- return 0;
- }
- FX_DWORD nLayers = m_pContext->CountLayers();
- int nTotal = 0;
- int nRendered = 0;
- for (FX_DWORD layer = 0; layer < nLayers; layer++) {
- CPDF_RenderContext::Layer* pLayer = m_pContext->GetLayer(layer);
- int nObjs = pLayer->m_pObjectList->CountObjects();
- if (layer == m_LayerIndex) {
- nRendered += m_ObjectIndex;
- } else if (layer < m_LayerIndex) {
- nRendered += nObjs;
+ if (pPause && pPause->NeedToPauseNow()) {
+ return;
+ }
+ } else {
+ m_pCurrentLayer->m_pObjectList->ContinueParse(pPause);
+ if (!m_pCurrentLayer->m_pObjectList->IsParsed())
+ return;
}
- nTotal += nObjs;
- }
- if (nTotal == 0) {
- return 0;
}
- return 100 * nRendered / nTotal;
}
+
CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj) {
if (!pObj)
return nullptr;
@@ -1252,11 +1199,6 @@ void CPDF_DocRenderData::ReleaseTransferFunc(CPDF_Object* pObj) {
if (it != m_TransferFuncMap.end())
it->second->RemoveRef();
}
-CPDF_RenderConfig::CPDF_RenderConfig() {
- m_HalftoneLimit = 0;
- m_RenderStepLimit = 100;
-}
-CPDF_RenderConfig::~CPDF_RenderConfig() {}
CPDF_DeviceBuffer::CPDF_DeviceBuffer()
: m_pDevice(nullptr), m_pContext(nullptr), m_pObject(nullptr) {}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 03:40:19 +0000