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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
3 // found in the LICENSE file.
4 
5 #include "cc/quads/texture_draw_quad.h"
6 
7 #include "base/logging.h"
8 #include "base/values.h"
9 #include "cc/base/math_util.h"
10 #include "ui/gfx/vector2d_f.h"
11 
12 namespace cc {
13 
TextureDrawQuad()14 TextureDrawQuad::TextureDrawQuad()
15     : resource_id(0),
16       premultiplied_alpha(false),
17       background_color(SK_ColorTRANSPARENT),
18       flipped(false) {
19   this->vertex_opacity[0] = 0.f;
20   this->vertex_opacity[1] = 0.f;
21   this->vertex_opacity[2] = 0.f;
22   this->vertex_opacity[3] = 0.f;
23 }
24 
Create()25 scoped_ptr<TextureDrawQuad> TextureDrawQuad::Create() {
26   return make_scoped_ptr(new TextureDrawQuad);
27 }
28 
SetNew(const SharedQuadState * shared_quad_state,gfx::Rect rect,gfx::Rect opaque_rect,unsigned resource_id,bool premultiplied_alpha,gfx::PointF uv_top_left,gfx::PointF uv_bottom_right,SkColor background_color,const float vertex_opacity[4],bool flipped)29 void TextureDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
30                              gfx::Rect rect, gfx::Rect opaque_rect,
31                              unsigned resource_id, bool premultiplied_alpha,
32                              gfx::PointF uv_top_left,
33                              gfx::PointF uv_bottom_right,
34                              SkColor background_color,
35                              const float vertex_opacity[4],
36                              bool flipped) {
37   gfx::Rect visible_rect = rect;
38   bool needs_blending = vertex_opacity[0] != 1.0f || vertex_opacity[1] != 1.0f
39       || vertex_opacity[2] != 1.0f || vertex_opacity[3] != 1.0f;
40   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
41                    opaque_rect, visible_rect, needs_blending);
42   this->resource_id = resource_id;
43   this->premultiplied_alpha = premultiplied_alpha;
44   this->uv_top_left = uv_top_left;
45   this->uv_bottom_right = uv_bottom_right;
46   this->background_color = background_color;
47   this->vertex_opacity[0] = vertex_opacity[0];
48   this->vertex_opacity[1] = vertex_opacity[1];
49   this->vertex_opacity[2] = vertex_opacity[2];
50   this->vertex_opacity[3] = vertex_opacity[3];
51   this->flipped = flipped;
52 }
53 
SetAll(const SharedQuadState * shared_quad_state,gfx::Rect rect,gfx::Rect opaque_rect,gfx::Rect visible_rect,bool needs_blending,unsigned resource_id,bool premultiplied_alpha,gfx::PointF uv_top_left,gfx::PointF uv_bottom_right,SkColor background_color,const float vertex_opacity[4],bool flipped)54 void TextureDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
55                              gfx::Rect rect, gfx::Rect opaque_rect,
56                              gfx::Rect visible_rect, bool needs_blending,
57                              unsigned resource_id, bool premultiplied_alpha,
58                              gfx::PointF uv_top_left,
59                              gfx::PointF uv_bottom_right,
60                              SkColor background_color,
61                              const float vertex_opacity[4],
62                              bool flipped) {
63   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
64                    opaque_rect, visible_rect, needs_blending);
65   this->resource_id = resource_id;
66   this->premultiplied_alpha = premultiplied_alpha;
67   this->uv_top_left = uv_top_left;
68   this->uv_bottom_right = uv_bottom_right;
69   this->background_color = background_color;
70   this->vertex_opacity[0] = vertex_opacity[0];
71   this->vertex_opacity[1] = vertex_opacity[1];
72   this->vertex_opacity[2] = vertex_opacity[2];
73   this->vertex_opacity[3] = vertex_opacity[3];
74   this->flipped = flipped;
75 }
76 
IterateResources(const ResourceIteratorCallback & callback)77 void TextureDrawQuad::IterateResources(
78     const ResourceIteratorCallback& callback) {
79   resource_id = callback.Run(resource_id);
80 }
81 
MaterialCast(const DrawQuad * quad)82 const TextureDrawQuad* TextureDrawQuad::MaterialCast(const DrawQuad* quad) {
83   DCHECK(quad->material == DrawQuad::TEXTURE_CONTENT);
84   return static_cast<const TextureDrawQuad*>(quad);
85 }
86 
ExtendValue(base::DictionaryValue * value) const87 void TextureDrawQuad::ExtendValue(base::DictionaryValue* value) const {
88   value->SetInteger("resource_id", resource_id);
89   value->SetBoolean("premultiplied_alpha", premultiplied_alpha);
90   value->Set("uv_top_left", MathUtil::AsValue(uv_top_left).release());
91   value->Set("uv_bottom_right", MathUtil::AsValue(uv_bottom_right).release());
92   value->SetInteger("background_color", background_color);
93   scoped_ptr<ListValue> vertex_opacity_value(new ListValue);
94   for (size_t i = 0; i < 4; ++i)
95     vertex_opacity_value->AppendDouble(vertex_opacity[i]);
96   value->Set("vertex_opacity", vertex_opacity_value.release());
97   value->SetBoolean("flipped", flipped);
98 }
99 
100 }  // namespace cc
101