LCOV - code coverage report
Current view: top level - gfx/webrender_bindings - Moz2DImageRenderer.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 28 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 2 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "gfxUtils.h"
       8             : #include "mozilla/Range.h"
       9             : #include "mozilla/gfx/2D.h"
      10             : #include "mozilla/gfx/InlineTranslator.h"
      11             : #include "mozilla/gfx/RecordedEvent.h"
      12             : #include "WebRenderTypes.h"
      13             : 
      14             : #include <iostream>
      15             : 
      16             : #ifdef MOZ_ENABLE_FREETYPE
      17             : #include "mozilla/ThreadLocal.h"
      18             : #endif
      19             : 
      20             : namespace mozilla {
      21             : namespace wr {
      22             : 
      23             : #ifdef MOZ_ENABLE_FREETYPE
      24             : static MOZ_THREAD_LOCAL(FT_Library) sFTLibrary;
      25             : #endif
      26             : 
      27           0 : static bool Moz2DRenderCallback(const Range<const uint8_t> aBlob,
      28             :                                 gfx::IntSize aSize,
      29             :                                 gfx::SurfaceFormat aFormat,
      30             :                                 Range<uint8_t> aOutput)
      31             : {
      32           0 :   MOZ_ASSERT(aSize.width > 0 && aSize.height > 0);
      33           0 :   if (aSize.width <= 0 || aSize.height <= 0) {
      34           0 :     return false;
      35             :   }
      36             : 
      37           0 :   auto stride = aSize.width * gfx::BytesPerPixel(aFormat);
      38             : 
      39           0 :   if (aOutput.length() < static_cast<size_t>(aSize.height * stride)) {
      40           0 :     return false;
      41             :   }
      42             : 
      43           0 :   void* fontContext = nullptr;
      44             : #ifdef MOZ_ENABLE_FREETYPE
      45           0 :   if (!sFTLibrary.init()) {
      46           0 :     return false;
      47             :   }
      48           0 :   if (!sFTLibrary.get()) {
      49           0 :     FT_Library library = gfx::Factory::NewFTLibrary();
      50           0 :     if (!library) {
      51           0 :       return false;
      52             :     }
      53           0 :     sFTLibrary.set(library);
      54             :   }
      55           0 :   fontContext = sFTLibrary.get();
      56             : #endif
      57             : 
      58             :   // In bindings.rs we allocate a buffer filled with opaque white.
      59           0 :   bool uninitialized = false;
      60             : 
      61           0 :   RefPtr<gfx::DrawTarget> dt = gfx::Factory::CreateDrawTargetForData(
      62             :     gfx::BackendType::SKIA,
      63           0 :     aOutput.begin().get(),
      64             :     aSize,
      65             :     stride,
      66             :     aFormat,
      67             :     uninitialized
      68           0 :   );
      69             : 
      70           0 :   if (!dt) {
      71           0 :     return false;
      72             :   }
      73             : 
      74           0 :   gfx::InlineTranslator translator(dt, fontContext);
      75             : 
      76           0 :   auto ret = translator.TranslateRecording((char*)aBlob.begin().get(), aBlob.length());
      77             : 
      78             : #if 0
      79             :   static int i = 0;
      80             :   char filename[40];
      81             :   sprintf(filename, "out%d.png", i++);
      82             :   gfxUtils::WriteAsPNG(dt, filename);
      83             : #endif
      84             : 
      85           0 :   return ret;
      86             : }
      87             : 
      88             : } // namespace
      89             : } // namespace
      90             : 
      91             : extern "C" {
      92             : 
      93           0 : bool wr_moz2d_render_cb(const WrByteSlice blob,
      94             :                         uint32_t width, uint32_t height,
      95             :                         mozilla::wr::ImageFormat aFormat,
      96             :                         MutByteSlice output)
      97             : {
      98           0 :   return mozilla::wr::Moz2DRenderCallback(mozilla::wr::ByteSliceToRange(blob),
      99             :                                           mozilla::gfx::IntSize(width, height),
     100             :                                           mozilla::wr::WrImageFormatToSurfaceFormat(aFormat),
     101           0 :                                           mozilla::wr::MutByteSliceToRange(output));
     102             : }
     103             : 
     104             : } // extern
     105             : 
     106             : 

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