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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 <stdio.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/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/layer_test_common.h"
#include "cc/test/mock_quad_culler.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(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()));
}
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, so the draw quads
// generated should leave the border width (40) intact.
MockQuadCuller quad_culler;
gfx::Size bitmap_size(100, 100);
gfx::Size layer_size(400, 400);
gfx::Rect visible_content_rect(layer_size);
gfx::Rect aperture_rect(20, 30, 40, 50);
gfx::Rect scaled_aperture_non_uniform(20, 30, 340, 350);
FakeImplProxy proxy;
FakeLayerTreeHostImpl host_impl(&proxy);
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();
layer->SetLayout(bitmap_size, aperture_rect);
layer->SetResourceId(1);
// This scale should not affect the generated quad geometry, but only
// the shared draw transform.
gfx::Transform transform;
transform.Scale(10, 10);
layer->draw_properties().target_space_transform = transform;
AppendQuadsData data;
layer->AppendQuads(&quad_culler, &data);
// Verify quad rects
const QuadList& quads = quad_culler.quad_list();
EXPECT_EQ(8u, quads.size());
Region remaining(visible_content_rect);
for (size_t i = 0; i < quads.size(); ++i) {
DrawQuad* quad = quads[i];
gfx::Rect quad_rect = quad->rect;
EXPECT_TRUE(visible_content_rect.Contains(quad_rect)) << i;
EXPECT_TRUE(remaining.Contains(quad_rect)) << i;
EXPECT_EQ(transform, quad->quadTransform());
remaining.Subtract(Region(quad_rect));
}
EXPECT_RECT_EQ(scaled_aperture_non_uniform, remaining.bounds());
Region scaled_aperture_region(scaled_aperture_non_uniform);
EXPECT_EQ(scaled_aperture_region, remaining);
// Verify UV rects
gfx::Rect bitmap_rect(bitmap_size);
Region tex_remaining(bitmap_rect);
for (size_t i = 0; i < quads.size(); ++i) {
DrawQuad* quad = quads[i];
const TextureDrawQuad* tex_quad = TextureDrawQuad::MaterialCast(quad);
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)));
}
EXPECT_RECT_EQ(aperture_rect, tex_remaining.bounds());
Region aperture_region(aperture_rect);
EXPECT_EQ(aperture_region, tex_remaining);
}
TEST(NinePatchLayerImplTest, VerifyDrawQuadsForSqueezedLayer) {
// Test with a layer much smaller than the bitmap.
MockQuadCuller quad_culler;
gfx::Size bitmap_size(101, 101);
gfx::Size layer_size(51, 51);
gfx::Rect visible_content_rect(layer_size);
gfx::Rect aperture_rect(20, 30, 40, 45); // rightWidth: 40, botHeight: 25
FakeImplProxy proxy;
FakeLayerTreeHostImpl host_impl(&proxy);
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();
layer->SetLayout(bitmap_size, aperture_rect);
layer->SetResourceId(1);
AppendQuadsData data;
layer->AppendQuads(&quad_culler, &data);
// Verify corner rects fill the layer and don't overlap
const QuadList& quads = quad_culler.quad_list();
EXPECT_EQ(4u, quads.size());
Region filled;
for (size_t i = 0; i < quads.size(); ++i) {
DrawQuad* quad = quads[i];
gfx::Rect quad_rect = quad->rect;
EXPECT_FALSE(filled.Intersects(quad_rect));
filled.Union(quad_rect);
}
Region expected_full(visible_content_rect);
EXPECT_EQ(expected_full, filled);
// Verify UV rects cover the corners of the bitmap and the crop is weighted
// proportionately to the relative corner sizes (for uneven apertures).
gfx::Rect bitmap_rect(bitmap_size);
Region tex_remaining(bitmap_rect);
for (size_t i = 0; i < quads.size(); ++i) {
DrawQuad* quad = quads[i];
const TextureDrawQuad* tex_quad = TextureDrawQuad::MaterialCast(quad);
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)));
}
Region expected_remaining_region = Region(gfx::Rect(bitmap_size));
expected_remaining_region.Subtract(gfx::Rect(0, 0, 17, 28));
expected_remaining_region.Subtract(gfx::Rect(67, 0, 34, 28));
expected_remaining_region.Subtract(gfx::Rect(0, 78, 17, 23));
expected_remaining_region.Subtract(gfx::Rect(67, 78, 34, 23));
EXPECT_EQ(expected_remaining_region, tex_remaining);
}
} // namespace
} // namespace cc
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