The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/canvas/src/DocumentRendererChild.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,90 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "mozilla/ipc/DocumentRendererChild.h"
     1.9 +
    1.10 +#include "base/basictypes.h"
    1.11 +
    1.12 +#include "gfx2DGlue.h"
    1.13 +#include "gfxPattern.h"
    1.14 +#include "mozilla/gfx/2D.h"
    1.15 +#include "mozilla/RefPtr.h"
    1.16 +#include "nsPIDOMWindow.h"
    1.17 +#include "nsIDOMWindow.h"
    1.18 +#include "nsIDocShell.h"
    1.19 +#include "nsIInterfaceRequestorUtils.h"
    1.20 +#include "nsComponentManagerUtils.h"
    1.21 +#include "nsCSSParser.h"
    1.22 +#include "nsPresContext.h"
    1.23 +#include "nsCOMPtr.h"
    1.24 +#include "nsColor.h"
    1.25 +#include "gfxContext.h"
    1.26 +#include "nsLayoutUtils.h"
    1.27 +#include "nsContentUtils.h"
    1.28 +#include "nsCSSValue.h"
    1.29 +#include "nsRuleNode.h"
    1.30 +#include "mozilla/gfx/Matrix.h"
    1.31 +
    1.32 +using namespace mozilla;
    1.33 +using namespace mozilla::gfx;
    1.34 +using namespace mozilla::ipc;
    1.35 +
    1.36 +DocumentRendererChild::DocumentRendererChild()
    1.37 +{}
    1.38 +
    1.39 +DocumentRendererChild::~DocumentRendererChild()
    1.40 +{}
    1.41 +
    1.42 +bool
    1.43 +DocumentRendererChild::RenderDocument(nsIDOMWindow *window,
    1.44 +                                      const nsRect& documentRect,
    1.45 +                                      const mozilla::gfx::Matrix& transform,
    1.46 +                                      const nsString& aBGColor,
    1.47 +                                      uint32_t renderFlags,
    1.48 +                                      bool flushLayout,
    1.49 +                                      const nsIntSize& renderSize,
    1.50 +                                      nsCString& data)
    1.51 +{
    1.52 +    if (flushLayout)
    1.53 +        nsContentUtils::FlushLayoutForTree(window);
    1.54 +
    1.55 +    nsRefPtr<nsPresContext> presContext;
    1.56 +    nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(window);
    1.57 +    if (win) {
    1.58 +        nsIDocShell* docshell = win->GetDocShell();
    1.59 +        if (docshell) {
    1.60 +            docshell->GetPresContext(getter_AddRefs(presContext));
    1.61 +        }
    1.62 +    }
    1.63 +    if (!presContext)
    1.64 +        return false;
    1.65 +
    1.66 +    nsCSSParser parser;
    1.67 +    nsCSSValue bgColorValue;
    1.68 +    if (!parser.ParseColorString(aBGColor, nullptr, 0, bgColorValue)) {
    1.69 +        return false;
    1.70 +    }
    1.71 +
    1.72 +    nscolor bgColor;
    1.73 +    if (!nsRuleNode::ComputeColor(bgColorValue, presContext, nullptr, bgColor)) {
    1.74 +        return false;
    1.75 +    }
    1.76 +
    1.77 +    // Draw directly into the output array.
    1.78 +    data.SetLength(renderSize.width * renderSize.height * 4);
    1.79 +
    1.80 +    RefPtr<DrawTarget> dt =
    1.81 +        Factory::CreateDrawTargetForData(BackendType::CAIRO,
    1.82 +                                         reinterpret_cast<uint8_t*>(data.BeginWriting()),
    1.83 +                                         IntSize(renderSize.width, renderSize.height),
    1.84 +                                         4 * renderSize.width,
    1.85 +                                         SurfaceFormat::B8G8R8A8);
    1.86 +    nsRefPtr<gfxContext> ctx = new gfxContext(dt);
    1.87 +    ctx->SetMatrix(mozilla::gfx::ThebesMatrix(transform));
    1.88 +
    1.89 +    nsCOMPtr<nsIPresShell> shell = presContext->PresShell();
    1.90 +    shell->RenderDocument(documentRect, renderFlags, bgColor, ctx);
    1.91 +
    1.92 +    return true;
    1.93 +}