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Issue 1998233002: cc: Implement and use FilterOperations::MapRectReverse for mapping backdrop bounding box. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: unit test Created 4 years, 5 months ago
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1 // Copyright 2012 The Chromium Authors. All rights reserved. 1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "cc/output/software_renderer.h" 5 #include "cc/output/software_renderer.h"
6 6
7 #include "base/memory/ptr_util.h" 7 #include "base/memory/ptr_util.h"
8 #include "base/trace_event/trace_event.h" 8 #include "base/trace_event/trace_event.h"
9 #include "cc/base/math_util.h" 9 #include "cc/base/math_util.h"
10 #include "cc/output/compositor_frame.h" 10 #include "cc/output/compositor_frame.h"
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695 } 695 }
696 696
697 gfx::Rect SoftwareRenderer::GetBackdropBoundingBoxForRenderPassQuad( 697 gfx::Rect SoftwareRenderer::GetBackdropBoundingBoxForRenderPassQuad(
698 const DrawingFrame* frame, 698 const DrawingFrame* frame,
699 const RenderPassDrawQuad* quad, 699 const RenderPassDrawQuad* quad,
700 const gfx::Transform& contents_device_transform) const { 700 const gfx::Transform& contents_device_transform) const {
701 DCHECK(ShouldApplyBackgroundFilters(quad)); 701 DCHECK(ShouldApplyBackgroundFilters(quad));
702 gfx::Rect backdrop_rect = gfx::ToEnclosingRect( 702 gfx::Rect backdrop_rect = gfx::ToEnclosingRect(
703 MathUtil::MapClippedRect(contents_device_transform, QuadVertexRect())); 703 MathUtil::MapClippedRect(contents_device_transform, QuadVertexRect()));
704 704
705 int top, right, bottom, left; 705 SkMatrix matrix;
706 quad->background_filters.GetOutsets(&top, &right, &bottom, &left); 706 matrix.setScale(quad->filters_scale.x(), quad->filters_scale.y());
707 backdrop_rect.Inset(-left, -top, -right, -bottom); 707 backdrop_rect =
708 quad->background_filters.MapRectReverse(backdrop_rect, matrix);
708 709
709 backdrop_rect.Intersect(MoveFromDrawToWindowSpace( 710 backdrop_rect.Intersect(MoveFromDrawToWindowSpace(
710 frame, frame->current_render_pass->output_rect)); 711 frame, frame->current_render_pass->output_rect));
711 712
712 return backdrop_rect; 713 return backdrop_rect;
713 } 714 }
714 715
715 sk_sp<SkShader> SoftwareRenderer::GetBackgroundFilterShader( 716 sk_sp<SkShader> SoftwareRenderer::GetBackgroundFilterShader(
716 const DrawingFrame* frame, 717 const DrawingFrame* frame,
717 const RenderPassDrawQuad* quad, 718 const RenderPassDrawQuad* quad,
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749 ApplyImageFilter(filter.get(), quad, backdrop_bitmap, nullptr); 750 ApplyImageFilter(filter.get(), quad, backdrop_bitmap, nullptr);
750 751
751 if (!filter_backdrop_image) 752 if (!filter_backdrop_image)
752 return nullptr; 753 return nullptr;
753 754
754 return filter_backdrop_image->makeShader(content_tile_mode, content_tile_mode, 755 return filter_backdrop_image->makeShader(content_tile_mode, content_tile_mode,
755 &filter_backdrop_transform); 756 &filter_backdrop_transform);
756 } 757 }
757 758
758 } // namespace cc 759 } // namespace cc
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