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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 "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/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()));
}
void NinePatchLayerLayoutTest(gfx::Size bitmap_size,
gfx::Rect aperture_rect,
gfx::Size layer_size,
gfx::Rect border,
bool fill_center,
size_t expected_quad_size) {
MockQuadCuller quad_culler;
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;
FakeUIResourceLayerTreeHostImpl 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();
UIResourceId uid = 1;
SkBitmap skbitmap;
skbitmap.setConfig(
SkBitmap::kARGB_8888_Config, bitmap_size.width(), bitmap_size.height());
skbitmap.allocPixels();
skbitmap.setImmutable();
UIResourceBitmap bitmap(skbitmap);
host_impl.CreateUIResource(uid, bitmap);
layer->SetUIResourceId(uid);
layer->SetImageBounds(bitmap_size);
layer->SetLayout(aperture_rect, border, fill_center);
AppendQuadsData data;
layer->AppendQuads(&quad_culler, &data);
// Verify quad rects
const QuadList& quads = quad_culler.quad_list();
EXPECT_EQ(expected_quad_size, 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;
remaining.Subtract(Region(quad_rect));
}
// 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 (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)));
}
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);
}
} // namespace
} // namespace cc
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