| /* |
| * 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_image.h" |
| #include "third_party/blink/renderer/platform/graphics/paint/paint_record.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, |
| RespectImageOrientationEnum respect_orientation) { |
| FloatRect tile_rect = src_rect; |
| tile_rect.Expand(repeat_spacing); |
| |
| SkMatrix pattern_matrix = SkMatrix::Translate(phase.X(), phase.Y()); |
| pattern_matrix.preScale(scale.Width(), scale.Height()); |
| pattern_matrix.preTranslate(tile_rect.X(), tile_rect.Y()); |
| |
| sk_sp<PaintShader> tile_shader = |
| CreateShader(tile_rect, &pattern_matrix, src_rect, respect_orientation); |
| |
| PaintFlags fill_flags = dest_context.FillFlags(); |
| fill_flags.setShader(std::move(tile_shader)); |
| fill_flags.setColor(SK_ColorBLACK); |
| fill_flags.setBlendMode(composite_op); |
| |
| dest_context.DrawRect(dest_rect, fill_flags); |
| } |
| |
| sk_sp<PaintShader> GeneratedImage::CreateShader( |
| const FloatRect& tile_rect, |
| const SkMatrix* pattern_matrix, |
| const FloatRect& src_rect, |
| RespectImageOrientationEnum respect_orientation) { |
| auto paint_controller = |
| std::make_unique<PaintController>(PaintController::kTransient); |
| GraphicsContext context(*paint_controller); |
| context.BeginRecording(tile_rect); |
| DrawTile(context, src_rect, respect_orientation); |
| sk_sp<PaintRecord> record = context.EndRecording(); |
| |
| return PaintShader::MakePaintRecord(std::move(record), tile_rect, |
| SkTileMode::kRepeat, SkTileMode::kRepeat, |
| pattern_matrix); |
| } |
| |
| PaintImage GeneratedImage::PaintImageForCurrentFrame() { |
| return PaintImage(); |
| } |
| |
| } // namespace blink |