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- // 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/layers/nine_patch_layer_impl.h"
- #include <memory>
- #include <vector>
- #include "base/trace_event/traced_value.h"
- #include "cc/base/math_util.h"
- #include "cc/trees/layer_tree_impl.h"
- #include "cc/trees/occlusion.h"
- #include "components/viz/common/quads/texture_draw_quad.h"
- #include "ui/gfx/geometry/rect_conversions.h"
- #include "ui/gfx/geometry/rect_f.h"
- namespace cc {
- NinePatchLayerImpl::NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id)
- : UIResourceLayerImpl(tree_impl, id) {}
- NinePatchLayerImpl::~NinePatchLayerImpl() = default;
- std::unique_ptr<LayerImpl> NinePatchLayerImpl::CreateLayerImpl(
- LayerTreeImpl* tree_impl) const {
- return NinePatchLayerImpl::Create(tree_impl, id());
- }
- void NinePatchLayerImpl::PushPropertiesTo(LayerImpl* layer) {
- UIResourceLayerImpl::PushPropertiesTo(layer);
- NinePatchLayerImpl* layer_impl = static_cast<NinePatchLayerImpl*>(layer);
- layer_impl->quad_generator_ = this->quad_generator_;
- }
- void NinePatchLayerImpl::SetLayout(const gfx::Rect& aperture,
- const gfx::Rect& border,
- const gfx::Rect& layer_occlusion,
- bool fill_center,
- bool nearest_neighbor) {
- // This check imposes an ordering on the call sequence. An UIResource must
- // exist before SetLayout can be called.
- DCHECK(ui_resource_id_);
- if (!quad_generator_.SetLayout(image_bounds_, bounds(), aperture, border,
- layer_occlusion, fill_center,
- nearest_neighbor))
- return;
- NoteLayerPropertyChanged();
- }
- void NinePatchLayerImpl::AppendQuads(viz::CompositorRenderPass* render_pass,
- AppendQuadsData* append_quads_data) {
- DCHECK(!bounds().IsEmpty());
- quad_generator_.CheckGeometryLimitations();
- viz::SharedQuadState* shared_quad_state =
- render_pass->CreateAndAppendSharedQuadState();
- bool is_resource =
- ui_resource_id_ &&
- layer_tree_impl()->ResourceIdForUIResource(ui_resource_id_);
- bool are_contents_opaque =
- is_resource ? layer_tree_impl()->IsUIResourceOpaque(ui_resource_id_) ||
- contents_opaque()
- : false;
- PopulateSharedQuadState(shared_quad_state, are_contents_opaque);
- AppendDebugBorderQuad(render_pass, gfx::Rect(bounds()), shared_quad_state,
- append_quads_data);
- if (!is_resource)
- return;
- std::vector<NinePatchGenerator::Patch> patches =
- quad_generator_.GeneratePatches();
- for (auto& patch : patches)
- patch.output_rect =
- gfx::RectF(gfx::ToFlooredRectDeprecated(patch.output_rect));
- quad_generator_.AppendQuads(this, ui_resource_id_, render_pass,
- shared_quad_state, patches);
- }
- const char* NinePatchLayerImpl::LayerTypeAsString() const {
- return "cc::NinePatchLayerImpl";
- }
- void NinePatchLayerImpl::AsValueInto(
- base::trace_event::TracedValue* state) const {
- LayerImpl::AsValueInto(state);
- quad_generator_.AsValueInto(state);
- }
- } // namespace cc
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