LCOV - code coverage report
Current view: top level - dom/canvas - DocumentRendererChild.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 35 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 4 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* This Source Code Form is subject to the terms of the Mozilla Public
       2             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       3             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       4             : 
       5             : #include "mozilla/ipc/DocumentRendererChild.h"
       6             : 
       7             : #include "base/basictypes.h"
       8             : 
       9             : #include "gfx2DGlue.h"
      10             : #include "gfxContext.h"
      11             : #include "gfxPattern.h"
      12             : #include "mozilla/gfx/2D.h"
      13             : #include "mozilla/RefPtr.h"
      14             : #include "nsPIDOMWindow.h"
      15             : #include "nsIDOMWindow.h"
      16             : #include "nsIDocShell.h"
      17             : #include "nsIInterfaceRequestorUtils.h"
      18             : #include "nsComponentManagerUtils.h"
      19             : #include "nsCSSParser.h"
      20             : #include "nsPresContext.h"
      21             : #include "nsCOMPtr.h"
      22             : #include "nsColor.h"
      23             : #include "nsLayoutUtils.h"
      24             : #include "nsContentUtils.h"
      25             : #include "nsCSSValue.h"
      26             : #include "nsRuleNode.h"
      27             : #include "mozilla/gfx/Matrix.h"
      28             : 
      29             : using namespace mozilla;
      30             : using namespace mozilla::gfx;
      31             : using namespace mozilla::ipc;
      32             : 
      33           0 : DocumentRendererChild::DocumentRendererChild()
      34           0 : {}
      35             : 
      36           0 : DocumentRendererChild::~DocumentRendererChild()
      37           0 : {}
      38             : 
      39             : bool
      40           0 : DocumentRendererChild::RenderDocument(nsPIDOMWindowOuter* window,
      41             :                                       const nsRect& documentRect,
      42             :                                       const mozilla::gfx::Matrix& transform,
      43             :                                       const nsString& aBGColor,
      44             :                                       uint32_t renderFlags,
      45             :                                       bool flushLayout,
      46             :                                       const nsIntSize& renderSize,
      47             :                                       nsCString& data)
      48             : {
      49           0 :     if (flushLayout)
      50           0 :         nsContentUtils::FlushLayoutForTree(window);
      51             : 
      52           0 :     RefPtr<nsPresContext> presContext;
      53           0 :     if (window) {
      54           0 :         nsIDocShell* docshell = window->GetDocShell();
      55           0 :         if (docshell) {
      56           0 :             docshell->GetPresContext(getter_AddRefs(presContext));
      57             :         }
      58             :     }
      59           0 :     if (!presContext)
      60           0 :         return false;
      61             : 
      62           0 :     nsCSSParser parser;
      63           0 :     nsCSSValue bgColorValue;
      64           0 :     if (!parser.ParseColorString(aBGColor, nullptr, 0, bgColorValue)) {
      65           0 :         return false;
      66             :     }
      67             : 
      68             :     nscolor bgColor;
      69           0 :     if (!nsRuleNode::ComputeColor(bgColorValue, presContext, nullptr, bgColor)) {
      70           0 :         return false;
      71             :     }
      72             : 
      73             :     // Draw directly into the output array.
      74           0 :     data.SetLength(renderSize.width * renderSize.height * 4);
      75             : 
      76             :     RefPtr<DrawTarget> dt =
      77           0 :         Factory::CreateDrawTargetForData(gfxPlatform::GetPlatform()->GetSoftwareBackend(),
      78           0 :                                          reinterpret_cast<uint8_t*>(data.BeginWriting()),
      79           0 :                                          IntSize(renderSize.width, renderSize.height),
      80           0 :                                          4 * renderSize.width,
      81           0 :                                          SurfaceFormat::B8G8R8A8);
      82           0 :     if (!dt || !dt->IsValid()) {
      83           0 :         gfxWarning() << "DocumentRendererChild::RenderDocument failed to Factory::CreateDrawTargetForData";
      84           0 :         return false;
      85             :     }
      86           0 :     RefPtr<gfxContext> ctx = gfxContext::CreateOrNull(dt);
      87           0 :     MOZ_ASSERT(ctx); // already checked the draw target above
      88           0 :     ctx->SetMatrix(mozilla::gfx::ThebesMatrix(transform));
      89             : 
      90           0 :     nsCOMPtr<nsIPresShell> shell = presContext->PresShell();
      91           0 :     shell->RenderDocument(documentRect, renderFlags, bgColor, ctx);
      92             : 
      93           0 :     return true;
      94             : }

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