// 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 "base/containers/hash_tables.h"
#include "cc/layers/append_quads_data.h"
#include "cc/layers/nine_patch_layer_impl.h"
#include "cc/quads/texture_draw_quad.h"
#include "cc/resources/ui_resource_bitmap.h"
#include "cc/resources/ui_resource_client.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_ui_resource_layer_tree_host_impl.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/layer_test_common.h"
#include "cc/trees/single_thread_proxy.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/rect_conversions.h"
#include "ui/gfx/safe_integer_conversions.h"
#include "ui/gfx/transform.h"
namespace cc {
namespace {
gfx::Rect ToRoundedIntRect(const gfx::RectF& rect_f) {
return gfx::Rect(gfx::ToRoundedInt(rect_f.x()),
gfx::ToRoundedInt(rect_f.y()),
gfx::ToRoundedInt(rect_f.width()),
gfx::ToRoundedInt(rect_f.height()));
}
void NinePatchLayerLayoutTest(const gfx::Size& bitmap_size,
const gfx::Rect& aperture_rect,
const gfx::Size& layer_size,
const gfx::Rect& border,
bool fill_center,
size_t expected_quad_size) {
MockOcclusionTracker<LayerImpl> occlusion_tracker;
scoped_ptr<RenderPass> render_pass = RenderPass::Create();
gfx::Rect visible_content_rect(layer_size);
gfx::Rect expected_remaining(border.x(),
border.y(),
layer_size.width() - border.width(),
layer_size.height() - border.height());
FakeImplProxy proxy;
TestSharedBitmapManager shared_bitmap_manager;
FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
scoped_ptr<NinePatchLayerImpl> layer =
NinePatchLayerImpl::Create(host_impl.active_tree(), 1);
layer->draw_properties().visible_content_rect = visible_content_rect;
layer->SetBounds(layer_size);
layer->SetContentBounds(layer_size);
layer->CreateRenderSurface();
layer->draw_properties().render_target = layer.get();
UIResourceId uid = 1;
bool is_opaque = false;
UIResourceBitmap bitmap(bitmap_size, is_opaque);
host_impl.CreateUIResource(uid, bitmap);
layer->SetUIResourceId(uid);
layer->SetImageBounds(bitmap_size);
layer->SetLayout(aperture_rect, border, fill_center);
AppendQuadsData data;
layer->AppendQuads(render_pass.get(), occlusion_tracker, &data);
// Verify quad rects
const QuadList& quads = render_pass->quad_list;
EXPECT_EQ(expected_quad_size, quads.size());
Region remaining(visible_content_rect);
size_t i = 0;
for (QuadList::ConstIterator iter = quads.begin(); iter != quads.end();
++iter) {
gfx::Rect quad_rect = iter->rect;
EXPECT_TRUE(visible_content_rect.Contains(quad_rect)) << i;
EXPECT_TRUE(remaining.Contains(quad_rect)) << i;
remaining.Subtract(Region(quad_rect));
++i;
}
// Check if the left-over quad is the same size as the mapped aperture quad in
// layer space.
if (!fill_center) {
EXPECT_RECT_EQ(expected_remaining, gfx::ToEnclosedRect(remaining.bounds()));
} else {
EXPECT_TRUE(remaining.bounds().IsEmpty());
}
// Verify UV rects
gfx::Rect bitmap_rect(bitmap_size);
Region tex_remaining(bitmap_rect);
for (QuadList::ConstIterator iter = quads.begin(); iter != quads.end();
++iter) {
const TextureDrawQuad* tex_quad = TextureDrawQuad::MaterialCast(&*iter);
gfx::RectF tex_rect =
gfx::BoundingRect(tex_quad->uv_top_left, tex_quad->uv_bottom_right);
tex_rect.Scale(bitmap_size.width(), bitmap_size.height());
tex_remaining.Subtract(Region(ToRoundedIntRect(tex_rect)));
}
if (!fill_center) {
EXPECT_RECT_EQ(aperture_rect, tex_remaining.bounds());
Region aperture_region(aperture_rect);
EXPECT_EQ(aperture_region, tex_remaining);
} else {
EXPECT_TRUE(remaining.bounds().IsEmpty());
}
}
TEST(NinePatchLayerImplTest, VerifyDrawQuads) {
// Input is a 100x100 bitmap with a 40x50 aperture at x=20, y=30.
// The bounds of the layer are set to 400x400.
gfx::Size bitmap_size(100, 100);
gfx::Size layer_size(400, 500);
gfx::Rect aperture_rect(20, 30, 40, 50);
gfx::Rect border(40, 40, 80, 80);
bool fill_center = false;
size_t expected_quad_size = 8;
NinePatchLayerLayoutTest(bitmap_size,
aperture_rect,
layer_size,
border,
fill_center,
expected_quad_size);
// The bounds of the layer are set to less than the bitmap size.
bitmap_size = gfx::Size(100, 100);
layer_size = gfx::Size(40, 50);
aperture_rect = gfx::Rect(20, 30, 40, 50);
border = gfx::Rect(10, 10, 25, 15);
fill_center = true;
expected_quad_size = 9;
NinePatchLayerLayoutTest(bitmap_size,
aperture_rect,
layer_size,
border,
fill_center,
expected_quad_size);
// Layer and image sizes are equal.
bitmap_size = gfx::Size(100, 100);
layer_size = gfx::Size(100, 100);
aperture_rect = gfx::Rect(20, 30, 40, 50);
border = gfx::Rect(20, 30, 40, 50);
fill_center = true;
expected_quad_size = 9;
NinePatchLayerLayoutTest(bitmap_size,
aperture_rect,
layer_size,
border,
fill_center,
expected_quad_size);
}
TEST(NinePatchLayerImplTest, VerifyDrawQuadsWithEmptyPatches) {
// The top component of the 9-patch is empty, so there should be no quads for
// the top three components.
gfx::Size bitmap_size(100, 100);
gfx::Size layer_size(100, 100);
gfx::Rect aperture_rect(10, 0, 80, 90);
gfx::Rect border(10, 0, 20, 10);
bool fill_center = false;
size_t expected_quad_size = 5;
NinePatchLayerLayoutTest(bitmap_size,
aperture_rect,
layer_size,
border,
fill_center,
expected_quad_size);
// The top and left components of the 9-patch are empty, so there should be no
// quads for the left and top components.
bitmap_size = gfx::Size(100, 100);
layer_size = gfx::Size(100, 100);
aperture_rect = gfx::Rect(0, 0, 90, 90);
border = gfx::Rect(0, 0, 10, 10);
fill_center = false;
expected_quad_size = 3;
NinePatchLayerLayoutTest(bitmap_size,
aperture_rect,
layer_size,
border,
fill_center,
expected_quad_size);
// The aperture is the size of the bitmap and the center doesn't draw.
bitmap_size = gfx::Size(100, 100);
layer_size = gfx::Size(100, 100);
aperture_rect = gfx::Rect(0, 0, 100, 100);
border = gfx::Rect(0, 0, 0, 0);
fill_center = false;
expected_quad_size = 0;
NinePatchLayerLayoutTest(bitmap_size,
aperture_rect,
layer_size,
border,
fill_center,
expected_quad_size);
// The aperture is the size of the bitmap and the center does draw.
bitmap_size = gfx::Size(100, 100);
layer_size = gfx::Size(100, 100);
aperture_rect = gfx::Rect(0, 0, 100, 100);
border = gfx::Rect(0, 0, 0, 0);
fill_center = true;
expected_quad_size = 1;
NinePatchLayerLayoutTest(bitmap_size,
aperture_rect,
layer_size,
border,
fill_center,
expected_quad_size);
}
TEST(NinePatchLayerImplTest, Occlusion) {
gfx::Size layer_size(1000, 1000);
gfx::Size viewport_size(1000, 1000);
LayerTestCommon::LayerImplTest impl;
SkBitmap sk_bitmap;
sk_bitmap.allocN32Pixels(10, 10);
sk_bitmap.setImmutable();
UIResourceId uid = 5;
UIResourceBitmap bitmap(sk_bitmap);
impl.host_impl()->CreateUIResource(uid, bitmap);
NinePatchLayerImpl* nine_patch_layer_impl =
impl.AddChildToRoot<NinePatchLayerImpl>();
nine_patch_layer_impl->SetBounds(layer_size);
nine_patch_layer_impl->SetContentBounds(layer_size);
nine_patch_layer_impl->SetDrawsContent(true);
nine_patch_layer_impl->SetUIResourceId(uid);
nine_patch_layer_impl->SetImageBounds(gfx::Size(10, 10));
gfx::Rect aperture = gfx::Rect(3, 3, 4, 4);
gfx::Rect border = gfx::Rect(300, 300, 400, 400);
nine_patch_layer_impl->SetLayout(aperture, border, true);
impl.CalcDrawProps(viewport_size);
{
SCOPED_TRACE("No occlusion");
gfx::Rect occluded;
impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);
LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
gfx::Rect(layer_size));
EXPECT_EQ(9u, impl.quad_list().size());
}
{
SCOPED_TRACE("Full occlusion");
gfx::Rect occluded(nine_patch_layer_impl->visible_content_rect());
impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);
LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
EXPECT_EQ(impl.quad_list().size(), 0u);
}
{
SCOPED_TRACE("Partial occlusion");
gfx::Rect occluded(0, 0, 500, 1000);
impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);
size_t partially_occluded_count = 0;
LayerTestCommon::VerifyQuadsAreOccluded(
impl.quad_list(), occluded, &partially_occluded_count);
// The layer outputs nine quads, three of which are partially occluded, and
// three fully occluded.
EXPECT_EQ(6u, impl.quad_list().size());
EXPECT_EQ(3u, partially_occluded_count);
}
}
} // namespace
} // namespace cc