text: /*
   * Copyright (C) 2012 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "third_party/blink/renderer/platform/graphics/generated_image.h"
  
  #include "third_party/blink/renderer/platform/geometry/float_rect.h"
  #include "third_party/blink/renderer/platform/graphics/graphics_context.h"
  #include "third_party/blink/renderer/platform/graphics/paint/paint_controller.h"
  #include "third_party/blink/renderer/platform/graphics/paint/paint_record.h"
  #include "third_party/skia/include/core/SkImage.h"
  
  namespace blink {
  
  void GeneratedImage::DrawPattern(GraphicsContext& dest_context,
                                   const FloatRect& src_rect,
                                   const FloatSize& scale,
                                   const FloatPoint& phase,
                                   SkBlendMode composite_op,
                                   const FloatRect& dest_rect,
                                   const FloatSize& repeat_spacing) {
    FloatRect tile_rect = src_rect;
    tile_rect.Expand(FloatSize(repeat_spacing));
  
    std::unique_ptr<PaintController> paint_controller = PaintController::Create();
    GraphicsContext context(*paint_controller);
    context.BeginRecording(tile_rect);
    DrawTile(context, src_rect);
    sk_sp<PaintRecord> record = context.EndRecording();
  
    SkMatrix pattern_matrix = SkMatrix::MakeTrans(phase.X(), phase.Y());
    pattern_matrix.preScale(scale.Width(), scale.Height());
    pattern_matrix.preTranslate(tile_rect.X(), tile_rect.Y());
  
    scoped_refptr<Pattern> pattern =
        Pattern::CreatePaintRecordPattern(std::move(record), tile_rect);
  
    PaintFlags fill_flags = dest_context.FillFlags();
    pattern->ApplyToFlags(fill_flags, pattern_matrix);
    fill_flags.setColor(SK_ColorBLACK);
    fill_flags.setBlendMode(composite_op);
  
    dest_context.DrawRect(dest_rect, fill_flags);
  }
  
  PaintImage GeneratedImage::PaintImageForCurrentFrame() {
    return PaintImage();
  }
  
  }  // namespace blink
  