1 /*
2 * Copyright (C) 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "third_party/blink/renderer/platform/graphics/gradient_generated_image.h"
27
28 #include "third_party/blink/renderer/platform/geometry/float_rect.h"
29 #include "third_party/blink/renderer/platform/geometry/int_size.h"
30 #include "third_party/blink/renderer/platform/graphics/graphics_context.h"
31
32 namespace blink {
33
Draw(cc::PaintCanvas * canvas,const PaintFlags & flags,const FloatRect & dest_rect,const FloatRect & src_rect,RespectImageOrientationEnum,ImageClampingMode,ImageDecodingMode)34 void GradientGeneratedImage::Draw(cc::PaintCanvas* canvas,
35 const PaintFlags& flags,
36 const FloatRect& dest_rect,
37 const FloatRect& src_rect,
38 RespectImageOrientationEnum,
39 ImageClampingMode,
40 ImageDecodingMode) {
41 SkRect visible_src_rect = src_rect;
42 if (!visible_src_rect.intersect(
43 SkRect::MakeWH(size_.Width(), size_.Height())))
44 return;
45
46 const SkMatrix transform =
47 SkMatrix::MakeRectToRect(src_rect, dest_rect, SkMatrix::kFill_ScaleToFit);
48 SkRect visible_dest_rect;
49 transform.mapRect(&visible_dest_rect, visible_src_rect);
50
51 PaintFlags gradient_flags(flags);
52 gradient_->ApplyToFlags(gradient_flags, transform);
53 canvas->drawRect(visible_dest_rect, gradient_flags);
54 }
55
DrawTile(GraphicsContext & context,const FloatRect & src_rect,RespectImageOrientationEnum)56 void GradientGeneratedImage::DrawTile(GraphicsContext& context,
57 const FloatRect& src_rect,
58 RespectImageOrientationEnum) {
59 // TODO(ccameron): This function should not ignore |context|'s color behavior.
60 // https://crbug.com/672306
61 PaintFlags gradient_flags(context.FillFlags());
62 gradient_->ApplyToFlags(gradient_flags, SkMatrix::I());
63
64 context.DrawRect(src_rect, gradient_flags);
65 }
66
ApplyShader(PaintFlags & flags,const SkMatrix & local_matrix)67 bool GradientGeneratedImage::ApplyShader(PaintFlags& flags,
68 const SkMatrix& local_matrix) {
69 DCHECK(gradient_);
70 gradient_->ApplyToFlags(flags, local_matrix);
71
72 return true;
73 }
74
75 } // namespace blink
76