text: // Copyright 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "cc/quads/texture_draw_quad.h"
  
  #include "base/debug/trace_event_argument.h"
  #include "base/logging.h"
  #include "base/values.h"
  #include "cc/base/math_util.h"
  #include "ui/gfx/geometry/vector2d_f.h"
  
  namespace cc {
  
  TextureDrawQuad::TextureDrawQuad()
      : resource_id(0),
        premultiplied_alpha(false),
        background_color(SK_ColorTRANSPARENT),
        flipped(false),
        nearest_neighbor(false) {
    this->vertex_opacity[0] = 0.f;
    this->vertex_opacity[1] = 0.f;
    this->vertex_opacity[2] = 0.f;
    this->vertex_opacity[3] = 0.f;
  }
  
  void TextureDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                               const gfx::Rect& rect,
                               const gfx::Rect& opaque_rect,
                               const gfx::Rect& visible_rect,
                               unsigned resource_id,
                               bool premultiplied_alpha,
                               const gfx::PointF& uv_top_left,
                               const gfx::PointF& uv_bottom_right,
                               SkColor background_color,
                               const float vertex_opacity[4],
                               bool flipped,
                               bool nearest_neighbor) {
    bool needs_blending = vertex_opacity[0] != 1.0f || vertex_opacity[1] != 1.0f
        || vertex_opacity[2] != 1.0f || vertex_opacity[3] != 1.0f;
    DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
                     opaque_rect, visible_rect, needs_blending);
    this->resource_id = resource_id;
    this->premultiplied_alpha = premultiplied_alpha;
    this->uv_top_left = uv_top_left;
    this->uv_bottom_right = uv_bottom_right;
    this->background_color = background_color;
    this->vertex_opacity[0] = vertex_opacity[0];
    this->vertex_opacity[1] = vertex_opacity[1];
    this->vertex_opacity[2] = vertex_opacity[2];
    this->vertex_opacity[3] = vertex_opacity[3];
    this->flipped = flipped;
    this->nearest_neighbor = nearest_neighbor;
  }
  
  void TextureDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
                               const gfx::Rect& rect,
                               const gfx::Rect& opaque_rect,
                               const gfx::Rect& visible_rect,
                               bool needs_blending,
                               unsigned resource_id,
                               bool premultiplied_alpha,
                               const gfx::PointF& uv_top_left,
                               const gfx::PointF& uv_bottom_right,
                               SkColor background_color,
                               const float vertex_opacity[4],
                               bool flipped,
                               bool nearest_neighbor) {
    DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
                     opaque_rect, visible_rect, needs_blending);
    this->resource_id = resource_id;
    this->premultiplied_alpha = premultiplied_alpha;
    this->uv_top_left = uv_top_left;
    this->uv_bottom_right = uv_bottom_right;
    this->background_color = background_color;
    this->vertex_opacity[0] = vertex_opacity[0];
    this->vertex_opacity[1] = vertex_opacity[1];
    this->vertex_opacity[2] = vertex_opacity[2];
    this->vertex_opacity[3] = vertex_opacity[3];
    this->flipped = flipped;
    this->nearest_neighbor = nearest_neighbor;
  }
  
  void TextureDrawQuad::IterateResources(
      const ResourceIteratorCallback& callback) {
    resource_id = callback.Run(resource_id);
  }
  
  const TextureDrawQuad* TextureDrawQuad::MaterialCast(const DrawQuad* quad) {
    DCHECK(quad->material == DrawQuad::TEXTURE_CONTENT);
    return static_cast<const TextureDrawQuad*>(quad);
  }
  
  void TextureDrawQuad::ExtendValue(base::debug::TracedValue* value) const {
    value->SetInteger("resource_id", resource_id);
    value->SetBoolean("premultiplied_alpha", premultiplied_alpha);
    value->BeginArray("uv_top_left");
    MathUtil::AddToTracedValue(uv_top_left, value);
    value->EndArray();
  
    value->BeginArray("uv_bottom_right");
    MathUtil::AddToTracedValue(uv_bottom_right, value);
    value->EndArray();
  
    value->SetInteger("background_color", background_color);
  
    value->BeginArray("vertex_opacity");
    for (size_t i = 0; i < 4; ++i)
      value->AppendDouble(vertex_opacity[i]);
    value->EndArray();
  
    value->SetBoolean("flipped", flipped);
    value->SetBoolean("nearest_neighbor", nearest_neighbor);
  }
  
  }  // namespace cc
  