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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 
     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 
     25 scoped_ptr<TextureDrawQuad> TextureDrawQuad::Create() {
     26   return make_scoped_ptr(new TextureDrawQuad);
     27 }
     28 
     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 
     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 
     77 void TextureDrawQuad::IterateResources(
     78     const ResourceIteratorCallback& callback) {
     79   resource_id = callback.Run(resource_id);
     80 }
     81 
     82 const TextureDrawQuad* TextureDrawQuad::MaterialCast(const DrawQuad* quad) {
     83   DCHECK(quad->material == DrawQuad::TEXTURE_CONTENT);
     84   return static_cast<const TextureDrawQuad*>(quad);
     85 }
     86 
     87 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