Part 10 of cc/ directory shuffles: layers

cc/nine_patch_layer_impl_unittest.cc

-// 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/nine_patch_layer_impl.h"
-
-#include "cc/append_quads_data.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 quadCuller;
-    gfx::Size bitmapSize(100, 100);
-    gfx::Size layerSize(400, 400);
-    gfx::Rect visibleContentRect(gfx::Point(), layerSize);
-    gfx::Rect apertureRect(20, 30, 40, 50);
-    gfx::Rect scaledApertureNonUniform(20, 30, 340, 350);
-
-    FakeImplProxy proxy;
-    FakeLayerTreeHostImpl hostImpl(&proxy);
-    scoped_ptr<NinePatchLayerImpl> layer = NinePatchLayerImpl::Create(hostImpl.active_tree(), 1);
-    layer->draw_properties().visible_content_rect = visibleContentRect;
-    layer->SetBounds(layerSize);
-    layer->SetContentBounds(layerSize);
-    layer->CreateRenderSurface();
-    layer->draw_properties().render_target = layer.get();
-    layer->SetLayout(bitmapSize, apertureRect);
-    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(&quadCuller, &data);
-
-    // Verify quad rects
-    const QuadList& quads = quadCuller.quadList();
-    EXPECT_EQ(8, quads.size());
-    Region remaining(visibleContentRect);
-    for (size_t i = 0; i < quads.size(); ++i) {
-        DrawQuad* quad = quads[i];
-        gfx::Rect quadRect = quad->rect;
-
-        EXPECT_TRUE(visibleContentRect.Contains(quadRect)) << i;
-        EXPECT_TRUE(remaining.Contains(quadRect)) << i;
-        EXPECT_EQ(transform, quad->quadTransform());
-        remaining.Subtract(Region(quadRect));
-    }
-    EXPECT_RECT_EQ(scaledApertureNonUniform, remaining.bounds());
-    Region scaledApertureRegion(scaledApertureNonUniform);
-    EXPECT_EQ(scaledApertureRegion, remaining);
-
-    // Verify UV rects
-    gfx::Rect bitmapRect(gfx::Point(), bitmapSize);
-    Region texRemaining(bitmapRect);
-    for (size_t i = 0; i < quads.size(); ++i) {
-        DrawQuad* quad = quads[i];
-        const TextureDrawQuad* texQuad = TextureDrawQuad::MaterialCast(quad);
-        gfx::RectF texRect = gfx::BoundingRect(texQuad->uv_top_left, texQuad->uv_bottom_right);
-        texRect.Scale(bitmapSize.width(), bitmapSize.height());
-        texRemaining.Subtract(Region(ToRoundedIntRect(texRect)));
-    }
-    EXPECT_RECT_EQ(apertureRect, texRemaining.bounds());
-    Region apertureRegion(apertureRect);
-    EXPECT_EQ(apertureRegion, texRemaining);
-}
-
-TEST(NinePatchLayerImplTest, verifyDrawQuadsForSqueezedLayer)
-{
-    // Test with a layer much smaller than the bitmap.
-    MockQuadCuller quadCuller;
-    gfx::Size bitmapSize(101, 101);
-    gfx::Size layerSize(51, 51);
-    gfx::Rect visibleContentRect(gfx::Point(), layerSize);
-    gfx::Rect apertureRect(20, 30, 40, 45); // rightWidth: 40, botHeight: 25
-
-    FakeImplProxy proxy;
-    FakeLayerTreeHostImpl hostImpl(&proxy);
-    scoped_ptr<NinePatchLayerImpl> layer = NinePatchLayerImpl::Create(hostImpl.active_tree(), 1);
-    layer->draw_properties().visible_content_rect = visibleContentRect;
-    layer->SetBounds(layerSize);
-    layer->SetContentBounds(layerSize);
-    layer->CreateRenderSurface();
-    layer->draw_properties().render_target = layer.get();
-    layer->SetLayout(bitmapSize, apertureRect);
-    layer->SetResourceId(1);
-
-    AppendQuadsData data;
-    layer->AppendQuads(&quadCuller, &data);
-
-    // Verify corner rects fill the layer and don't overlap
-    const QuadList& quads = quadCuller.quadList();
-    EXPECT_EQ(4, quads.size());
-    Region filled;
-    for (size_t i = 0; i < quads.size(); ++i) {
-        DrawQuad* quad = quads[i];
-        gfx::Rect quadRect = quad->rect;
-
-        EXPECT_FALSE(filled.Intersects(quadRect));
-        filled.Union(quadRect);
-    }
-    Region expectedFull(visibleContentRect);
-    EXPECT_EQ(expectedFull, 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 bitmapRect(gfx::Point(), bitmapSize);
-    Region texRemaining(bitmapRect);
-    for (size_t i = 0; i < quads.size(); ++i) {
-        DrawQuad* quad = quads[i];
-        const TextureDrawQuad* texQuad = TextureDrawQuad::MaterialCast(quad);
-        gfx::RectF texRect = gfx::BoundingRect(texQuad->uv_top_left, texQuad->uv_bottom_right);
-        texRect.Scale(bitmapSize.width(), bitmapSize.height());
-        texRemaining.Subtract(Region(ToRoundedIntRect(texRect)));
-    }
-    Region expectedRemainingRegion = Region(gfx::Rect(bitmapSize));
-    expectedRemainingRegion.Subtract(gfx::Rect(0, 0, 17, 28));
-    expectedRemainingRegion.Subtract(gfx::Rect(67, 0, 34, 28));
-    expectedRemainingRegion.Subtract(gfx::Rect(0, 78, 17, 23));
-    expectedRemainingRegion.Subtract(gfx::Rect(67, 78, 34, 23));
-    EXPECT_EQ(expectedRemainingRegion, texRemaining);
-}
-
-}  // namespace
-}  // namespace cc