cc/quads/texture_draw_quad.cc

   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                              const gfx::Rect& rect,
  31                              const gfx::Rect& opaque_rect,
  32                              const gfx::Rect& visible_rect,
  33                              unsigned resource_id,
  34                              bool premultiplied_alpha,
  35                              const gfx::PointF& uv_top_left,
  36                              const gfx::PointF& uv_bottom_right,
  37                              SkColor background_color,
  38                              const float vertex_opacity[4],
  39                              bool flipped) {
  40   bool needs_blending = vertex_opacity[0] != 1.0f || vertex_opacity[1] != 1.0f
  41       || vertex_opacity[2] != 1.0f || vertex_opacity[3] != 1.0f;
  42   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
  43                    opaque_rect, visible_rect, needs_blending);
  44   this->resource_id = resource_id;
  45   this->premultiplied_alpha = premultiplied_alpha;
  46   this->uv_top_left = uv_top_left;
  47   this->uv_bottom_right = uv_bottom_right;
  48   this->background_color = background_color;
  49   this->vertex_opacity[0] = vertex_opacity[0];
  50   this->vertex_opacity[1] = vertex_opacity[1];
  51   this->vertex_opacity[2] = vertex_opacity[2];
  52   this->vertex_opacity[3] = vertex_opacity[3];
  53   this->flipped = flipped;
  54 }
  55
  56 void TextureDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
  57                              const gfx::Rect& rect,
  58                              const gfx::Rect& opaque_rect,
  59                              const gfx::Rect& visible_rect, bool needs_blending,
  60                              unsigned resource_id, bool premultiplied_alpha,
  61                              const gfx::PointF& uv_top_left,
  62                              const gfx::PointF& uv_bottom_right,
  63                              SkColor background_color,
  64                              const float vertex_opacity[4],
  65                              bool flipped) {
  66   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
  67                    opaque_rect, visible_rect, needs_blending);
  68   this->resource_id = resource_id;
  69   this->premultiplied_alpha = premultiplied_alpha;
  70   this->uv_top_left = uv_top_left;
  71   this->uv_bottom_right = uv_bottom_right;
  72   this->background_color = background_color;
  73   this->vertex_opacity[0] = vertex_opacity[0];
  74   this->vertex_opacity[1] = vertex_opacity[1];
  75   this->vertex_opacity[2] = vertex_opacity[2];
  76   this->vertex_opacity[3] = vertex_opacity[3];
  77   this->flipped = flipped;
  78 }
  79
  80 void TextureDrawQuad::IterateResources(
  81     const ResourceIteratorCallback& callback) {
  82   resource_id = callback.Run(resource_id);
  83 }
  84
  85 const TextureDrawQuad* TextureDrawQuad::MaterialCast(const DrawQuad* quad) {
  86   DCHECK(quad->material == DrawQuad::TEXTURE_CONTENT);
  87   return static_cast<const TextureDrawQuad*>(quad);
  88 }
  89
  90 void TextureDrawQuad::ExtendValue(base::DictionaryValue* value) const {
  91   value->SetInteger("resource_id", resource_id);
  92   value->SetBoolean("premultiplied_alpha", premultiplied_alpha);
  93   value->Set("uv_top_left", MathUtil::AsValue(uv_top_left).release());
  94   value->Set("uv_bottom_right", MathUtil::AsValue(uv_bottom_right).release());
  95   value->SetInteger("background_color", background_color);
  96   scoped_ptr<base::ListValue> vertex_opacity_value(new base::ListValue);
  97   for (size_t i = 0; i < 4; ++i)
  98     vertex_opacity_value->AppendDouble(vertex_opacity[i]);
  99   value->Set("vertex_opacity", vertex_opacity_value.release());
 100   value->SetBoolean("flipped", flipped);
 101 }
 102
 103 }  // namespace cc