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authorNicolas Pena <npm@chromium.org>2016-11-30 14:56:27 -0500
committerChromium commit bot <commit-bot@chromium.org>2016-12-01 19:02:46 +0000
commit8a463c5a1a2252b5fdbff3b5ab07d50273bbc391 (patch)
treed9c43fcedbbc5b6412eca598b73724a696f41b22 /core/fpdfapi/render/fpdf_render.cpp
parent560680ce6d556a720e30bb6229fcb0751a37283e (diff)
downloadpdfium-8a463c5a1a2252b5fdbff3b5ab07d50273bbc391.tar.xz
Remove fpdf_render.cpp
Split the remaining code into files per class. Change-Id: Idb959dbf807223a509e16c76f9626e61856a886b Reviewed-on: https://pdfium-review.googlesource.com/2094 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'core/fpdfapi/render/fpdf_render.cpp')
-rw-r--r--core/fpdfapi/render/fpdf_render.cpp402
1 files changed, 0 insertions, 402 deletions
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());
- }
-}