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/*
* 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/graphics/graphics_context.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_image.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_record.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_recorder.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_shader.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/skia_conversions.h"
namespace blink {
void GeneratedImage::DrawPattern(GraphicsContext& dest_context,
const cc::PaintFlags& base_flags,
const gfx::RectF& dest_rect,
const ImageTilingInfo& tiling_info,
const ImageDrawOptions& options) {
gfx::RectF tile_rect = tiling_info.image_rect;
tile_rect.set_size(tile_rect.size() + tiling_info.spacing);
SkMatrix pattern_matrix =
SkMatrix::Translate(tiling_info.phase.x(), tiling_info.phase.y());
pattern_matrix.preScale(tiling_info.scale.x(), tiling_info.scale.y());
pattern_matrix.preTranslate(tile_rect.x(), tile_rect.y());
ImageDrawOptions draw_options(options);
// TODO(fs): Computing sampling options using `size_` and the tile source
// rect doesn't seem all too useful since they should be in the same space.
// Should probably be using the tile source mapped to destination space
// (instead of `size_`).
draw_options.sampling_options = dest_context.ComputeSamplingOptions(
*this, gfx::RectF(size_), tiling_info.image_rect);
sk_sp<PaintShader> tile_shader = CreateShader(
tile_rect, &pattern_matrix, tiling_info.image_rect, draw_options);
cc::PaintFlags fill_flags(base_flags);
fill_flags.setShader(std::move(tile_shader));
fill_flags.setColor(SK_ColorBLACK);
dest_context.DrawRect(gfx::RectFToSkRect(dest_rect), fill_flags,
AutoDarkMode(draw_options));
}
sk_sp<PaintShader> GeneratedImage::CreateShader(
const gfx::RectF& tile_rect,
const SkMatrix* pattern_matrix,
const gfx::RectF& src_rect,
const ImageDrawOptions& draw_options) {
PaintRecorder recorder;
DrawTile(recorder.beginRecording(), src_rect, draw_options);
return PaintShader::MakePaintRecord(
recorder.finishRecordingAsPicture(), gfx::RectFToSkRect(tile_rect),
SkTileMode::kRepeat, SkTileMode::kRepeat, pattern_matrix);
}
PaintImage GeneratedImage::PaintImageForCurrentFrame() {
return PaintImage();
}
} // namespace blink
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