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-rw-r--r--core/fpdfapi/render/cpdf_devicebuffer.cpp75
-rw-r--r--core/fpdfapi/render/cpdf_devicebuffer.h41
-rw-r--r--core/fpdfapi/render/cpdf_progressiverenderer.cpp113
-rw-r--r--core/fpdfapi/render/cpdf_progressiverenderer.h2
-rw-r--r--core/fpdfapi/render/cpdf_rendercontext.cpp98
-rw-r--r--core/fpdfapi/render/cpdf_renderoptions.cpp62
-rw-r--r--core/fpdfapi/render/cpdf_renderstatus.cpp2
-rw-r--r--core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp79
-rw-r--r--core/fpdfapi/render/cpdf_scaledrenderbuffer.h46
-rw-r--r--core/fpdfapi/render/fpdf_render.cpp402
-rw-r--r--core/fpdfapi/render/render_int.h48
11 files changed, 516 insertions, 452 deletions
diff --git a/core/fpdfapi/render/cpdf_devicebuffer.cpp b/core/fpdfapi/render/cpdf_devicebuffer.cpp
new file mode 100644
index 0000000000..06b4d13c7a
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_devicebuffer.cpp
@@ -0,0 +1,75 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/render/cpdf_devicebuffer.h"
+
+#include "core/fpdfapi/page/cpdf_pageobject.h"
+#include "core/fpdfapi/render/cpdf_rendercontext.h"
+#include "core/fpdfapi/render/cpdf_renderoptions.h"
+#include "core/fxge/cfx_fxgedevice.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "core/fxge/fx_dib.h"
+
+CPDF_DeviceBuffer::CPDF_DeviceBuffer()
+ : m_pDevice(nullptr), m_pContext(nullptr), m_pObject(nullptr) {}
+
+CPDF_DeviceBuffer::~CPDF_DeviceBuffer() {}
+
+bool CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext,
+ CFX_RenderDevice* pDevice,
+ FX_RECT* pRect,
+ const CPDF_PageObject* pObj,
+ int max_dpi) {
+ m_pDevice = pDevice;
+ m_pContext = pContext;
+ m_Rect = *pRect;
+ m_pObject = pObj;
+ m_Matrix.TranslateI(-pRect->left, -pRect->top);
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+ int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
+ int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
+ if (horz_size && vert_size && max_dpi) {
+ int dpih =
+ pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
+ int dpiv =
+ pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
+ if (dpih > max_dpi)
+ m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f);
+ if (dpiv > max_dpi)
+ m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
+ }
+#endif
+ CFX_Matrix ctm = m_pDevice->GetCTM();
+ FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
+ FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
+ m_Matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0);
+ CFX_FloatRect rect(*pRect);
+ m_Matrix.TransformRect(rect);
+ FX_RECT bitmap_rect = rect.GetOuterRect();
+ 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.get(), m_Rect.left, m_Rect.top);
+ } else {
+ m_pDevice->StretchDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top,
+ m_Rect.Width(), m_Rect.Height());
+ }
+ return;
+ }
+ CFX_DIBitmap buffer;
+ m_pDevice->CreateCompatibleBitmap(&buffer, m_pBitmap->GetWidth(),
+ m_pBitmap->GetHeight());
+ m_pContext->GetBackground(&buffer, m_pObject, nullptr, &m_Matrix);
+ buffer.CompositeBitmap(0, 0, buffer.GetWidth(), buffer.GetHeight(),
+ m_pBitmap.get(), 0, 0);
+ m_pDevice->StretchDIBits(&buffer, m_Rect.left, m_Rect.top, m_Rect.Width(),
+ m_Rect.Height());
+}
diff --git a/core/fpdfapi/render/cpdf_devicebuffer.h b/core/fpdfapi/render/cpdf_devicebuffer.h
new file mode 100644
index 0000000000..e5bbf1fcdf
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_devicebuffer.h
@@ -0,0 +1,41 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_RENDER_CPDF_DEVICEBUFFER_H_
+#define CORE_FPDFAPI_RENDER_CPDF_DEVICEBUFFER_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_coordinates.h"
+
+class CFX_DIBitmap;
+class CFX_RenderDevice;
+class CPDF_PageObject;
+class CPDF_RenderContext;
+
+class CPDF_DeviceBuffer {
+ public:
+ CPDF_DeviceBuffer();
+ ~CPDF_DeviceBuffer();
+ bool Initialize(CPDF_RenderContext* pContext,
+ CFX_RenderDevice* pDevice,
+ FX_RECT* pRect,
+ const CPDF_PageObject* pObj,
+ int max_dpi);
+ void OutputToDevice();
+ CFX_DIBitmap* GetBitmap() const { return m_pBitmap.get(); }
+ const CFX_Matrix* GetMatrix() const { return &m_Matrix; }
+
+ private:
+ CFX_RenderDevice* m_pDevice;
+ CPDF_RenderContext* m_pContext;
+ FX_RECT m_Rect;
+ const CPDF_PageObject* m_pObject;
+ std::unique_ptr<CFX_DIBitmap> m_pBitmap;
+ CFX_Matrix m_Matrix;
+};
+
+#endif // CORE_FPDFAPI_RENDER_CPDF_DEVICEBUFFER_H_
diff --git a/core/fpdfapi/render/cpdf_progressiverenderer.cpp b/core/fpdfapi/render/cpdf_progressiverenderer.cpp
new file mode 100644
index 0000000000..46d78b6c4e
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_progressiverenderer.cpp
@@ -0,0 +1,113 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/render/cpdf_progressiverenderer.h"
+
+#include "core/fpdfapi/page/cpdf_pageobject.h"
+#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
+#include "core/fpdfapi/render/cpdf_pagerendercache.h"
+#include "core/fpdfapi/render/cpdf_renderoptions.h"
+#include "core/fpdfapi/render/cpdf_renderstatus.h"
+#include "core/fxge/cfx_renderdevice.h"
+
+CPDF_ProgressiveRenderer::CPDF_ProgressiveRenderer(
+ CPDF_RenderContext* pContext,
+ CFX_RenderDevice* pDevice,
+ const CPDF_RenderOptions* pOptions)
+ : m_Status(Ready),
+ m_pContext(pContext),
+ m_pDevice(pDevice),
+ m_pOptions(pOptions),
+ m_LayerIndex(0),
+ m_pCurrentLayer(nullptr) {}
+
+CPDF_ProgressiveRenderer::~CPDF_ProgressiveRenderer() {
+ if (m_pRenderStatus)
+ m_pDevice->RestoreState(false);
+}
+
+void CPDF_ProgressiveRenderer::Start(IFX_Pause* pPause) {
+ if (!m_pContext || !m_pDevice || m_Status != Ready) {
+ m_Status = Failed;
+ return;
+ }
+ m_Status = ToBeContinued;
+ Continue(pPause);
+}
+
+void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) {
+ while (m_Status == ToBeContinued) {
+ if (!m_pCurrentLayer) {
+ if (m_LayerIndex >= m_pContext->CountLayers()) {
+ m_Status = Done;
+ return;
+ }
+ m_pCurrentLayer = m_pContext->GetLayer(m_LayerIndex);
+ m_LastObjectRendered =
+ m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end();
+ m_pRenderStatus.reset(new CPDF_RenderStatus());
+ m_pRenderStatus->Initialize(
+ m_pContext, m_pDevice, nullptr, nullptr, nullptr, nullptr, m_pOptions,
+ m_pCurrentLayer->m_pObjectHolder->m_Transparency, false, nullptr);
+ m_pDevice->SaveState();
+ m_ClipRect = CFX_FloatRect(m_pDevice->GetClipBox());
+ CFX_Matrix device2object;
+ device2object.SetReverse(m_pCurrentLayer->m_Matrix);
+ device2object.TransformRect(m_ClipRect);
+ }
+ CPDF_PageObjectList::iterator iter;
+ CPDF_PageObjectList::iterator iterEnd =
+ m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end();
+ if (m_LastObjectRendered != iterEnd) {
+ iter = m_LastObjectRendered;
+ ++iter;
+ } else {
+ iter = m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->begin();
+ }
+ int nObjsToGo = kStepLimit;
+ 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_pRenderStatus->ContinueSingleObject(
+ pCurObj, &m_pCurrentLayer->m_Matrix, pPause)) {
+ return;
+ }
+ if (pCurObj->IsImage() &&
+ m_pRenderStatus->m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
+ m_pContext->GetPageCache()->CacheOptimization(
+ m_pRenderStatus->m_Options.m_dwLimitCacheSize);
+ }
+ if (pCurObj->IsForm() || pCurObj->IsShading())
+ nObjsToGo = 0;
+ else
+ --nObjsToGo;
+ }
+ m_LastObjectRendered = iter;
+ if (nObjsToGo == 0) {
+ if (pPause && pPause->NeedToPauseNow())
+ return;
+ nObjsToGo = kStepLimit;
+ }
+ ++iter;
+ }
+ if (m_pCurrentLayer->m_pObjectHolder->IsParsed()) {
+ m_pRenderStatus.reset();
+ m_pDevice->RestoreState(false);
+ m_pCurrentLayer = nullptr;
+ m_LayerIndex++;
+ if (pPause && pPause->NeedToPauseNow()) {
+ return;
+ }
+ } else {
+ m_pCurrentLayer->m_pObjectHolder->ContinueParse(pPause);
+ if (!m_pCurrentLayer->m_pObjectHolder->IsParsed())
+ return;
+ }
+ }
+}
diff --git a/core/fpdfapi/render/cpdf_progressiverenderer.h b/core/fpdfapi/render/cpdf_progressiverenderer.h
index 2cf84e97f3..f0b1579601 100644
--- a/core/fpdfapi/render/cpdf_progressiverenderer.h
+++ b/core/fpdfapi/render/cpdf_progressiverenderer.h
@@ -43,8 +43,6 @@ class CPDF_ProgressiveRenderer {
void Continue(IFX_Pause* pPause);
private:
- void RenderStep();
-
// Maximum page objects to render before checking for pause.
static const int kStepLimit = 100;
diff --git a/core/fpdfapi/render/cpdf_rendercontext.cpp b/core/fpdfapi/render/cpdf_rendercontext.cpp
new file mode 100644
index 0000000000..2efdb81f8a
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_rendercontext.cpp
@@ -0,0 +1,98 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/render/cpdf_rendercontext.h"
+
+#include "core/fpdfapi/page/cpdf_page.h"
+#include "core/fpdfapi/page/cpdf_pageobject.h"
+#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
+#include "core/fpdfapi/parser/cpdf_dictionary.h"
+#include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fpdfapi/render/cpdf_pagerendercache.h"
+#include "core/fpdfapi/render/cpdf_progressiverenderer.h"
+#include "core/fpdfapi/render/cpdf_renderoptions.h"
+#include "core/fpdfapi/render/cpdf_renderstatus.h"
+#include "core/fpdfapi/render/cpdf_textrenderer.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "core/fxge/fx_dib.h"
+
+CPDF_RenderContext::CPDF_RenderContext(CPDF_Page* pPage)
+ : m_pDocument(pPage->m_pDocument),
+ m_pPageResources(pPage->m_pPageResources),
+ m_pPageCache(pPage->GetRenderCache()) {}
+
+CPDF_RenderContext::CPDF_RenderContext(CPDF_Document* pDoc,
+ CPDF_PageRenderCache* pPageCache)
+ : m_pDocument(pDoc), m_pPageResources(nullptr), m_pPageCache(pPageCache) {}
+
+CPDF_RenderContext::~CPDF_RenderContext() {}
+
+void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer,
+ const CPDF_PageObject* pObj,
+ const CPDF_RenderOptions* pOptions,
+ CFX_Matrix* pFinalMatrix) {
+ CFX_FxgeDevice device;
+ device.Attach(pBuffer, false, nullptr, false);
+
+ FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
+ device.FillRect(&rect, 0xffffffff);
+ Render(&device, pObj, pOptions, pFinalMatrix);
+}
+
+void CPDF_RenderContext::AppendLayer(CPDF_PageObjectHolder* pObjectHolder,
+ const CFX_Matrix* pObject2Device) {
+ Layer* pLayer = m_Layers.AddSpace();
+ pLayer->m_pObjectHolder = pObjectHolder;
+ if (pObject2Device)
+ pLayer->m_Matrix = *pObject2Device;
+ else
+ pLayer->m_Matrix.SetIdentity();
+}
+
+void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice,
+ const CPDF_RenderOptions* pOptions,
+ const CFX_Matrix* pLastMatrix) {
+ Render(pDevice, nullptr, pOptions, pLastMatrix);
+}
+
+void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice,
+ const CPDF_PageObject* pStopObj,
+ const CPDF_RenderOptions* pOptions,
+ const CFX_Matrix* pLastMatrix) {
+ int count = m_Layers.GetSize();
+ for (int j = 0; j < count; j++) {
+ pDevice->SaveState();
+ Layer* pLayer = m_Layers.GetDataPtr(j);
+ if (pLastMatrix) {
+ CFX_Matrix FinalMatrix = pLayer->m_Matrix;
+ FinalMatrix.Concat(*pLastMatrix);
+ CPDF_RenderStatus status;
+ status.Initialize(this, pDevice, pLastMatrix, pStopObj, nullptr, nullptr,
+ pOptions, pLayer->m_pObjectHolder->m_Transparency,
+ false, nullptr);
+ status.RenderObjectList(pLayer->m_pObjectHolder, &FinalMatrix);
+ if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE)
+ m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
+ if (status.m_bStopped) {
+ pDevice->RestoreState(false);
+ break;
+ }
+ } else {
+ CPDF_RenderStatus status;
+ status.Initialize(this, pDevice, nullptr, pStopObj, nullptr, nullptr,
+ pOptions, pLayer->m_pObjectHolder->m_Transparency,
+ false, nullptr);
+ status.RenderObjectList(pLayer->m_pObjectHolder, &pLayer->m_Matrix);
+ if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE)
+ m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
+ if (status.m_bStopped) {
+ pDevice->RestoreState(false);
+ break;
+ }
+ }
+ pDevice->RestoreState(false);
+ }
+}
diff --git a/core/fpdfapi/render/cpdf_renderoptions.cpp b/core/fpdfapi/render/cpdf_renderoptions.cpp
new file mode 100644
index 0000000000..ea11d7f5ee
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_renderoptions.cpp
@@ -0,0 +1,62 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/render/cpdf_renderoptions.h"
+
+CPDF_RenderOptions::CPDF_RenderOptions()
+ : m_ColorMode(RENDER_COLOR_NORMAL),
+ m_Flags(RENDER_CLEARTYPE),
+ m_Interpolation(0),
+ m_AddFlags(0),
+ m_pOCContext(nullptr),
+ m_dwLimitCacheSize(1024 * 1024 * 100),
+ m_HalftoneLimit(-1),
+ m_bDrawAnnots(false) {}
+
+CPDF_RenderOptions::CPDF_RenderOptions(const CPDF_RenderOptions& rhs)
+ : m_ColorMode(rhs.m_ColorMode),
+ m_BackColor(rhs.m_BackColor),
+ m_ForeColor(rhs.m_ForeColor),
+ m_Flags(rhs.m_Flags),
+ m_Interpolation(rhs.m_Interpolation),
+ m_AddFlags(rhs.m_AddFlags),
+ m_pOCContext(rhs.m_pOCContext),
+ m_dwLimitCacheSize(rhs.m_dwLimitCacheSize),
+ m_HalftoneLimit(rhs.m_HalftoneLimit),
+ m_bDrawAnnots(rhs.m_bDrawAnnots) {}
+
+FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const {
+ if (m_ColorMode == RENDER_COLOR_NORMAL)
+ return argb;
+
+ if (m_ColorMode == RENDER_COLOR_ALPHA)
+ return argb;
+
+ int a, r, g, b;
+ ArgbDecode(argb, a, r, g, b);
+ int gray = FXRGB2GRAY(r, g, b);
+ if (m_ColorMode == RENDER_COLOR_TWOCOLOR) {
+ int color = (r - gray) * (r - gray) + (g - gray) * (g - gray) +
+ (b - gray) * (b - gray);
+ if (gray < 35 && color < 20)
+ return ArgbEncode(a, m_ForeColor);
+
+ if (gray > 221 && color < 20)
+ return ArgbEncode(a, m_BackColor);
+
+ return argb;
+ }
+ int fr = FXSYS_GetRValue(m_ForeColor);
+ int fg = FXSYS_GetGValue(m_ForeColor);
+ int fb = FXSYS_GetBValue(m_ForeColor);
+ int br = FXSYS_GetRValue(m_BackColor);
+ int bg = FXSYS_GetGValue(m_BackColor);
+ int bb = FXSYS_GetBValue(m_BackColor);
+ r = (br - fr) * gray / 255 + fr;
+ g = (bg - fg) * gray / 255 + fg;
+ b = (bb - fb) * gray / 255 + fb;
+ return ArgbEncode(a, r, g, b);
+}
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp
index efad9db4c4..126e04662e 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -33,11 +33,13 @@
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/render/cpdf_charposlist.h"
+#include "core/fpdfapi/render/cpdf_devicebuffer.h"
#include "core/fpdfapi/render/cpdf_docrenderdata.h"
#include "core/fpdfapi/render/cpdf_imagerenderer.h"
#include "core/fpdfapi/render/cpdf_pagerendercache.h"
#include "core/fpdfapi/render/cpdf_rendercontext.h"
#include "core/fpdfapi/render/cpdf_renderoptions.h"
+#include "core/fpdfapi/render/cpdf_scaledrenderbuffer.h"
#include "core/fpdfapi/render/cpdf_textrenderer.h"
#include "core/fpdfapi/render/cpdf_transferfunc.h"
#include "core/fpdfapi/render/cpdf_type3cache.h"
diff --git a/core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp b/core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp
new file mode 100644
index 0000000000..a14bb9ea43
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_scaledrenderbuffer.cpp
@@ -0,0 +1,79 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/render/cpdf_scaledrenderbuffer.h"
+
+#include "core/fpdfapi/render/cpdf_rendercontext.h"
+#include "core/fpdfapi/render/cpdf_renderoptions.h"
+#include "core/fxge/cfx_fxgedevice.h"
+#include "core/fxge/cfx_renderdevice.h"
+
+#define _FPDFAPI_IMAGESIZE_LIMIT_ (30 * 1024 * 1024)
+
+CPDF_ScaledRenderBuffer::CPDF_ScaledRenderBuffer() {}
+
+CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer() {}
+
+bool CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext,
+ CFX_RenderDevice* pDevice,
+ const FX_RECT& pRect,
+ const CPDF_PageObject* pObj,
+ const CPDF_RenderOptions* pOptions,
+ int max_dpi) {
+ m_pDevice = pDevice;
+ if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS)
+ return true;
+
+ m_pContext = pContext;
+ m_Rect = pRect;
+ m_pObject = pObj;
+ m_Matrix.TranslateI(-pRect.left, -pRect.top);
+ int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
+ int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
+ if (horz_size && vert_size && max_dpi) {
+ int dpih =
+ pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
+ int dpiv =
+ pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
+ if (dpih > max_dpi)
+ m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f);
+ if (dpiv > max_dpi)
+ m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
+ }
+ 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) {
+ dibFormat = FXDIB_Argb;
+ bpp = 32;
+ }
+ while (1) {
+ CFX_FloatRect rect(pRect);
+ m_Matrix.TransformRect(rect);
+ FX_RECT bitmap_rect = rect.GetOuterRect();
+ int32_t iWidth = bitmap_rect.Width();
+ int32_t iHeight = bitmap_rect.Height();
+ int32_t iPitch = (iWidth * bpp + 31) / 32 * 4;
+ if (iWidth * iHeight < 1)
+ return false;
+
+ if (iPitch * iHeight <= _FPDFAPI_IMAGESIZE_LIMIT_ &&
+ m_pBitmapDevice->Create(iWidth, iHeight, dibFormat, nullptr)) {
+ break;
+ }
+ m_Matrix.Scale(0.5f, 0.5f);
+ }
+ m_pContext->GetBackground(m_pBitmapDevice->GetBitmap(), m_pObject, pOptions,
+ &m_Matrix);
+ return true;
+}
+
+void CPDF_ScaledRenderBuffer::OutputToDevice() {
+ if (m_pBitmapDevice) {
+ m_pDevice->StretchDIBits(m_pBitmapDevice->GetBitmap(), m_Rect.left,
+ m_Rect.top, m_Rect.Width(), m_Rect.Height());
+ }
+}
diff --git a/core/fpdfapi/render/cpdf_scaledrenderbuffer.h b/core/fpdfapi/render/cpdf_scaledrenderbuffer.h
new file mode 100644
index 0000000000..f802349dcb
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_scaledrenderbuffer.h
@@ -0,0 +1,46 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_RENDER_CPDF_SCALEDRENDERBUFFER_H_
+#define CORE_FPDFAPI_RENDER_CPDF_SCALEDRENDERBUFFER_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxge/cfx_fxgedevice.h"
+
+class CFX_RenderDevice;
+class CPDF_PageObject;
+class CPDF_RenderContext;
+class CPDF_RenderOptions;
+
+class CPDF_ScaledRenderBuffer {
+ public:
+ CPDF_ScaledRenderBuffer();
+ ~CPDF_ScaledRenderBuffer();
+
+ bool Initialize(CPDF_RenderContext* pContext,
+ CFX_RenderDevice* pDevice,
+ const FX_RECT& pRect,
+ const CPDF_PageObject* pObj,
+ const CPDF_RenderOptions* pOptions,
+ int max_dpi);
+ CFX_RenderDevice* GetDevice() {
+ return m_pBitmapDevice ? m_pBitmapDevice.get() : m_pDevice;
+ }
+ CFX_Matrix* GetMatrix() { return &m_Matrix; }
+ void OutputToDevice();
+
+ private:
+ CFX_RenderDevice* m_pDevice;
+ CPDF_RenderContext* m_pContext;
+ FX_RECT m_Rect;
+ const CPDF_PageObject* m_pObject;
+ std::unique_ptr<CFX_FxgeDevice> m_pBitmapDevice;
+ CFX_Matrix m_Matrix;
+};
+
+#endif // CORE_FPDFAPI_RENDER_CPDF_SCALEDRENDERBUFFER_H_
diff --git a/core/fpdfapi/render/fpdf_render.cpp b/core/fpdfapi/render/fpdf_render.cpp
deleted file mode 100644
index ba5d836e95..0000000000
--- a/core/fpdfapi/render/fpdf_render.cpp
+++ /dev/null
@@ -1,402 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/fpdfapi/render/render_int.h"
-
-#include <memory>
-
-#include "core/fpdfapi/cpdf_modulemgr.h"
-#include "core/fpdfapi/font/cpdf_type3char.h"
-#include "core/fpdfapi/font/cpdf_type3font.h"
-#include "core/fpdfapi/page/cpdf_docpagedata.h"
-#include "core/fpdfapi/page/cpdf_form.h"
-#include "core/fpdfapi/page/cpdf_formobject.h"
-#include "core/fpdfapi/page/cpdf_graphicstates.h"
-#include "core/fpdfapi/page/cpdf_image.h"
-#include "core/fpdfapi/page/cpdf_imageobject.h"
-#include "core/fpdfapi/page/cpdf_page.h"
-#include "core/fpdfapi/page/cpdf_pageobject.h"
-#include "core/fpdfapi/page/cpdf_pathobject.h"
-#include "core/fpdfapi/page/cpdf_textobject.h"
-#include "core/fpdfapi/page/pageint.h"
-#include "core/fpdfapi/parser/cpdf_array.h"
-#include "core/fpdfapi/parser/cpdf_dictionary.h"
-#include "core/fpdfapi/parser/cpdf_document.h"
-#include "core/fpdfapi/render/cpdf_docrenderdata.h"
-#include "core/fpdfapi/render/cpdf_pagerendercache.h"
-#include "core/fpdfapi/render/cpdf_progressiverenderer.h"
-#include "core/fpdfapi/render/cpdf_renderoptions.h"
-#include "core/fpdfapi/render/cpdf_renderstatus.h"
-#include "core/fpdfapi/render/cpdf_textrenderer.h"
-#include "core/fpdfapi/render/cpdf_type3cache.h"
-#include "core/fpdfdoc/cpdf_occontext.h"
-#include "core/fxge/cfx_fxgedevice.h"
-#include "core/fxge/cfx_graphstatedata.h"
-#include "core/fxge/cfx_pathdata.h"
-#include "core/fxge/cfx_renderdevice.h"
-
-CPDF_RenderOptions::CPDF_RenderOptions()
- : m_ColorMode(RENDER_COLOR_NORMAL),
- m_Flags(RENDER_CLEARTYPE),
- m_Interpolation(0),
- m_AddFlags(0),
- m_pOCContext(nullptr),
- m_dwLimitCacheSize(1024 * 1024 * 100),
- m_HalftoneLimit(-1),
- m_bDrawAnnots(false) {}
-
-CPDF_RenderOptions::CPDF_RenderOptions(const CPDF_RenderOptions& rhs)
- : m_ColorMode(rhs.m_ColorMode),
- m_BackColor(rhs.m_BackColor),
- m_ForeColor(rhs.m_ForeColor),
- m_Flags(rhs.m_Flags),
- m_Interpolation(rhs.m_Interpolation),
- m_AddFlags(rhs.m_AddFlags),
- m_pOCContext(rhs.m_pOCContext),
- m_dwLimitCacheSize(rhs.m_dwLimitCacheSize),
- m_HalftoneLimit(rhs.m_HalftoneLimit),
- m_bDrawAnnots(rhs.m_bDrawAnnots) {}
-
-FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const {
- if (m_ColorMode == RENDER_COLOR_NORMAL) {
- return argb;
- }
- if (m_ColorMode == RENDER_COLOR_ALPHA) {
- return argb;
- }
- int a, r, g, b;
- ArgbDecode(argb, a, r, g, b);
- int gray = FXRGB2GRAY(r, g, b);
- if (m_ColorMode == RENDER_COLOR_TWOCOLOR) {
- int color = (r - gray) * (r - gray) + (g - gray) * (g - gray) +
- (b - gray) * (b - gray);
- if (gray < 35 && color < 20) {
- return ArgbEncode(a, m_ForeColor);
- }
- if (gray > 221 && color < 20) {
- return ArgbEncode(a, m_BackColor);
- }
- return argb;
- }
- int fr = FXSYS_GetRValue(m_ForeColor);
- int fg = FXSYS_GetGValue(m_ForeColor);
- int fb = FXSYS_GetBValue(m_ForeColor);
- int br = FXSYS_GetRValue(m_BackColor);
- int bg = FXSYS_GetGValue(m_BackColor);
- int bb = FXSYS_GetBValue(m_BackColor);
- r = (br - fr) * gray / 255 + fr;
- g = (bg - fg) * gray / 255 + fg;
- b = (bb - fb) * gray / 255 + fb;
- return ArgbEncode(a, r, g, b);
-}
-
-void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer,
- const CPDF_PageObject* pObj,
- const CPDF_RenderOptions* pOptions,
- CFX_Matrix* pFinalMatrix) {
- CFX_FxgeDevice device;
- device.Attach(pBuffer, false, nullptr, false);
-
- FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
- device.FillRect(&rect, 0xffffffff);
- Render(&device, pObj, pOptions, pFinalMatrix);
-}
-
-CPDF_RenderContext::CPDF_RenderContext(CPDF_Page* pPage)
- : m_pDocument(pPage->m_pDocument),
- m_pPageResources(pPage->m_pPageResources),
- m_pPageCache(pPage->GetRenderCache()) {}
-
-CPDF_RenderContext::CPDF_RenderContext(CPDF_Document* pDoc,
- CPDF_PageRenderCache* pPageCache)
- : m_pDocument(pDoc), m_pPageResources(nullptr), m_pPageCache(pPageCache) {}
-
-CPDF_RenderContext::~CPDF_RenderContext() {}
-
-void CPDF_RenderContext::AppendLayer(CPDF_PageObjectHolder* pObjectHolder,
- const CFX_Matrix* pObject2Device) {
- Layer* pLayer = m_Layers.AddSpace();
- pLayer->m_pObjectHolder = pObjectHolder;
- if (pObject2Device) {
- pLayer->m_Matrix = *pObject2Device;
- } else {
- pLayer->m_Matrix.SetIdentity();
- }
-}
-void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice,
- const CPDF_RenderOptions* pOptions,
- const CFX_Matrix* pLastMatrix) {
- Render(pDevice, nullptr, pOptions, pLastMatrix);
-}
-void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice,
- const CPDF_PageObject* pStopObj,
- const CPDF_RenderOptions* pOptions,
- const CFX_Matrix* pLastMatrix) {
- int count = m_Layers.GetSize();
- for (int j = 0; j < count; j++) {
- pDevice->SaveState();
- Layer* pLayer = m_Layers.GetDataPtr(j);
- if (pLastMatrix) {
- CFX_Matrix FinalMatrix = pLayer->m_Matrix;
- FinalMatrix.Concat(*pLastMatrix);
- CPDF_RenderStatus status;
- status.Initialize(this, pDevice, pLastMatrix, pStopObj, nullptr, nullptr,
- pOptions, pLayer->m_pObjectHolder->m_Transparency,
- false, nullptr);
- status.RenderObjectList(pLayer->m_pObjectHolder, &FinalMatrix);
- if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
- m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
- }
- if (status.m_bStopped) {
- pDevice->RestoreState(false);
- break;
- }
- } else {
- CPDF_RenderStatus status;
- status.Initialize(this, pDevice, nullptr, pStopObj, nullptr, nullptr,
- pOptions, pLayer->m_pObjectHolder->m_Transparency,
- false, nullptr);
- status.RenderObjectList(pLayer->m_pObjectHolder, &pLayer->m_Matrix);
- if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
- m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
- }
- if (status.m_bStopped) {
- pDevice->RestoreState(false);
- break;
- }
- }
- pDevice->RestoreState(false);
- }
-}
-
-CPDF_ProgressiveRenderer::CPDF_ProgressiveRenderer(
- CPDF_RenderContext* pContext,
- CFX_RenderDevice* pDevice,
- const CPDF_RenderOptions* pOptions)
- : m_Status(Ready),
- m_pContext(pContext),
- m_pDevice(pDevice),
- m_pOptions(pOptions),
- m_LayerIndex(0),
- m_pCurrentLayer(nullptr) {}
-
-CPDF_ProgressiveRenderer::~CPDF_ProgressiveRenderer() {
- if (m_pRenderStatus)
- m_pDevice->RestoreState(false);
-}
-
-void CPDF_ProgressiveRenderer::Start(IFX_Pause* pPause) {
- if (!m_pContext || !m_pDevice || m_Status != Ready) {
- m_Status = Failed;
- return;
- }
- m_Status = ToBeContinued;
- Continue(pPause);
-}
-
-void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) {
- while (m_Status == ToBeContinued) {
- if (!m_pCurrentLayer) {
- if (m_LayerIndex >= m_pContext->CountLayers()) {
- m_Status = Done;
- return;
- }
- m_pCurrentLayer = m_pContext->GetLayer(m_LayerIndex);
- m_LastObjectRendered =
- m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end();
- m_pRenderStatus.reset(new CPDF_RenderStatus());
- m_pRenderStatus->Initialize(
- m_pContext, m_pDevice, nullptr, nullptr, nullptr, nullptr, m_pOptions,
- m_pCurrentLayer->m_pObjectHolder->m_Transparency, false, nullptr);
- m_pDevice->SaveState();
- m_ClipRect = CFX_FloatRect(m_pDevice->GetClipBox());
- CFX_Matrix device2object;
- device2object.SetReverse(m_pCurrentLayer->m_Matrix);
- device2object.TransformRect(m_ClipRect);
- }
- CPDF_PageObjectList::iterator iter;
- CPDF_PageObjectList::iterator iterEnd =
- m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end();
- if (m_LastObjectRendered != iterEnd) {
- iter = m_LastObjectRendered;
- ++iter;
- } else {
- iter = m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->begin();
- }
- int nObjsToGo = kStepLimit;
- 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_pRenderStatus->ContinueSingleObject(
- pCurObj, &m_pCurrentLayer->m_Matrix, pPause)) {
- return;
- }
- if (pCurObj->IsImage() &&
- m_pRenderStatus->m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
- m_pContext->GetPageCache()->CacheOptimization(
- m_pRenderStatus->m_Options.m_dwLimitCacheSize);
- }
- if (pCurObj->IsForm() || pCurObj->IsShading()) {
- nObjsToGo = 0;
- } else {
- --nObjsToGo;
- }
- }
- m_LastObjectRendered = iter;
- if (nObjsToGo == 0) {
- if (pPause && pPause->NeedToPauseNow())
- return;
- nObjsToGo = kStepLimit;
- }
- ++iter;
- }
- if (m_pCurrentLayer->m_pObjectHolder->IsParsed()) {
- m_pRenderStatus.reset();
- m_pDevice->RestoreState(false);
- m_pCurrentLayer = nullptr;
- m_LayerIndex++;
- if (pPause && pPause->NeedToPauseNow()) {
- return;
- }
- } else {
- m_pCurrentLayer->m_pObjectHolder->ContinueParse(pPause);
- if (!m_pCurrentLayer->m_pObjectHolder->IsParsed())
- return;
- }
- }
-}
-
-CPDF_DeviceBuffer::CPDF_DeviceBuffer()
- : m_pDevice(nullptr), m_pContext(nullptr), m_pObject(nullptr) {}
-
-CPDF_DeviceBuffer::~CPDF_DeviceBuffer() {}
-
-bool CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext,
- CFX_RenderDevice* pDevice,
- FX_RECT* pRect,
- const CPDF_PageObject* pObj,
- int max_dpi) {
- m_pDevice = pDevice;
- m_pContext = pContext;
- m_Rect = *pRect;
- m_pObject = pObj;
- m_Matrix.TranslateI(-pRect->left, -pRect->top);
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
- int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
- int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
- if (horz_size && vert_size && max_dpi) {
- int dpih =
- pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
- int dpiv =
- pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
- if (dpih > max_dpi) {
- m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f);
- }
- if (dpiv > max_dpi) {
- m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
- }
- }
-#endif
- CFX_Matrix ctm = m_pDevice->GetCTM();
- FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
- FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
- m_Matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0);
- CFX_FloatRect rect(*pRect);
- m_Matrix.TransformRect(rect);
- FX_RECT bitmap_rect = rect.GetOuterRect();
- 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.get(), m_Rect.left, m_Rect.top);
- } else {
- m_pDevice->StretchDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top,
- m_Rect.Width(), m_Rect.Height());
- }
- } else {
- CFX_DIBitmap buffer;
- m_pDevice->CreateCompatibleBitmap(&buffer, m_pBitmap->GetWidth(),
- m_pBitmap->GetHeight());
- m_pContext->GetBackground(&buffer, m_pObject, nullptr, &m_Matrix);
- buffer.CompositeBitmap(0, 0, buffer.GetWidth(), buffer.GetHeight(),
- 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() {}
-
-CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer() {}
-
-#define _FPDFAPI_IMAGESIZE_LIMIT_ (30 * 1024 * 1024)
-bool CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext,
- CFX_RenderDevice* pDevice,
- const FX_RECT& pRect,
- const CPDF_PageObject* pObj,
- const CPDF_RenderOptions* pOptions,
- int max_dpi) {
- m_pDevice = pDevice;
- if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) {
- return true;
- }
- m_pContext = pContext;
- m_Rect = pRect;
- m_pObject = pObj;
- m_Matrix.TranslateI(-pRect.left, -pRect.top);
- int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
- int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
- if (horz_size && vert_size && max_dpi) {
- int dpih =
- pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
- int dpiv =
- pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
- if (dpih > max_dpi) {
- m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f);
- }
- if (dpiv > max_dpi) {
- m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
- }
- }
- 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) {
- dibFormat = FXDIB_Argb;
- bpp = 32;
- }
- while (1) {
- CFX_FloatRect rect(pRect);
- m_Matrix.TransformRect(rect);
- FX_RECT bitmap_rect = rect.GetOuterRect();
- int32_t iWidth = bitmap_rect.Width();
- int32_t iHeight = bitmap_rect.Height();
- int32_t iPitch = (iWidth * bpp + 31) / 32 * 4;
- if (iWidth * iHeight < 1)
- return false;
-
- if (iPitch * iHeight <= _FPDFAPI_IMAGESIZE_LIMIT_ &&
- m_pBitmapDevice->Create(iWidth, iHeight, dibFormat, nullptr)) {
- break;
- }
- m_Matrix.Scale(0.5f, 0.5f);
- }
- m_pContext->GetBackground(m_pBitmapDevice->GetBitmap(), m_pObject, pOptions,
- &m_Matrix);
- return true;
-}
-void CPDF_ScaledRenderBuffer::OutputToDevice() {
- if (m_pBitmapDevice) {
- m_pDevice->StretchDIBits(m_pBitmapDevice->GetBitmap(), m_Rect.left,
- m_Rect.top, m_Rect.Width(), m_Rect.Height());
- }
-}
diff --git a/core/fpdfapi/render/render_int.h b/core/fpdfapi/render/render_int.h
index 9336e068d4..dfad6b14c6 100644
--- a/core/fpdfapi/render/render_int.h
+++ b/core/fpdfapi/render/render_int.h
@@ -49,54 +49,6 @@ class CPDF_Type3Glyphs;
class CPDF_Type3Char;
class CPDF_Type3Font;
-class CPDF_ScaledRenderBuffer {
- public:
- CPDF_ScaledRenderBuffer();
- ~CPDF_ScaledRenderBuffer();
-
- bool Initialize(CPDF_RenderContext* pContext,
- CFX_RenderDevice* pDevice,
- const FX_RECT& pRect,
- const CPDF_PageObject* pObj,
- const CPDF_RenderOptions* pOptions = nullptr,
- int max_dpi = 0);
- CFX_RenderDevice* GetDevice() {
- return m_pBitmapDevice ? m_pBitmapDevice.get() : m_pDevice;
- }
- CFX_Matrix* GetMatrix() { return &m_Matrix; }
- void OutputToDevice();
-
- private:
- CFX_RenderDevice* m_pDevice;
- CPDF_RenderContext* m_pContext;
- FX_RECT m_Rect;
- const CPDF_PageObject* m_pObject;
- std::unique_ptr<CFX_FxgeDevice> m_pBitmapDevice;
- CFX_Matrix m_Matrix;
-};
-
-class CPDF_DeviceBuffer {
- public:
- CPDF_DeviceBuffer();
- ~CPDF_DeviceBuffer();
- bool Initialize(CPDF_RenderContext* pContext,
- CFX_RenderDevice* pDevice,
- FX_RECT* pRect,
- const CPDF_PageObject* pObj,
- int max_dpi = 0);
- void OutputToDevice();
- CFX_DIBitmap* GetBitmap() const { return m_pBitmap.get(); }
- const CFX_Matrix* GetMatrix() const { return &m_Matrix; }
-
- private:
- CFX_RenderDevice* m_pDevice;
- CPDF_RenderContext* m_pContext;
- FX_RECT m_Rect;
- const CPDF_PageObject* m_pObject;
- std::unique_ptr<CFX_DIBitmap> m_pBitmap;
- CFX_Matrix m_Matrix;
-};
-
class CPDF_ImageCacheEntry {
public:
CPDF_ImageCacheEntry(CPDF_Document* pDoc, CPDF_Stream* pStream);