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// Copyright (c) 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 "content/renderer/pepper/pepper_graphics_2d_host.h"
#include <stddef.h>
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "content/renderer/pepper/gfx_conversion.h"
#include "content/renderer/pepper/mock_renderer_ppapi_host.h"
#include "content/renderer/pepper/ppb_image_data_impl.h"
#include "ppapi/shared_impl/ppb_view_shared.h"
#include "ppapi/shared_impl/proxy_lock.h"
#include "ppapi/shared_impl/test_globals.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
namespace content {
class PepperGraphics2DHostTest : public testing::Test {
public:
static bool ConvertToLogicalPixels(float scale,
gfx::Rect* op_rect,
gfx::Point* delta) {
return PepperGraphics2DHost::ConvertToLogicalPixels(scale, op_rect, delta);
}
PepperGraphics2DHostTest() : renderer_ppapi_host_(nullptr, 12345) {}
~PepperGraphics2DHostTest() override {
ppapi::ProxyAutoLock proxy_lock;
host_.reset();
}
void Init(PP_Instance instance,
const PP_Size& backing_store_size,
const PP_Rect& plugin_rect) {
renderer_view_data_.rect = plugin_rect;
test_globals_.GetResourceTracker()->DidCreateInstance(instance);
scoped_refptr<PPB_ImageData_Impl> backing_store(
new PPB_ImageData_Impl(instance, PPB_ImageData_Impl::ForTest()));
host_.reset(PepperGraphics2DHost::Create(&renderer_ppapi_host_,
instance,
12345,
backing_store_size,
PP_FALSE,
backing_store));
DCHECK(host_.get());
}
void PaintImageData(PPB_ImageData_Impl* image_data) {
ppapi::HostResource image_data_resource;
image_data_resource.SetHostResource(image_data->pp_instance(),
image_data->pp_resource());
host_->OnHostMsgPaintImageData(nullptr, image_data_resource, PP_Point(),
false, PP_Rect());
}
void Flush() {
ppapi::host::HostMessageContext context(
ppapi::proxy::ResourceMessageCallParams(host_->pp_resource(), 0));
host_->OnHostMsgFlush(&context);
host_->ViewInitiatedPaint();
host_->SendOffscreenFlushAck();
}
void ResetPageBitmap(SkBitmap* bitmap) {
PP_Rect plugin_rect = renderer_view_data_.rect;
int width = plugin_rect.point.x + plugin_rect.size.width;
int height = plugin_rect.point.y + plugin_rect.size.height;
if (bitmap->isNull() || bitmap->width() != width ||
bitmap->height() != height) {
bitmap->allocN32Pixels(width, height);
}
bitmap->eraseColor(0);
}
private:
ppapi::ViewData renderer_view_data_;
std::unique_ptr<PepperGraphics2DHost> host_;
base::MessageLoop message_loop_;
MockRendererPpapiHost renderer_ppapi_host_;
ppapi::TestGlobals test_globals_;
};
TEST_F(PepperGraphics2DHostTest, ConvertToLogicalPixels) {
static const struct {
int x1;
int y1;
int w1;
int h1;
int x2;
int y2;
int w2;
int h2;
int dx1;
int dy1;
int dx2;
int dy2;
float scale;
bool result;
} tests[] = {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1.0, true},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2.0, true},
{0, 0, 4, 4, 0, 0, 2, 2, 0, 0, 0, 0, 0.5, true},
{1, 1, 4, 4, 0, 0, 3, 3, 0, 0, 0, 0, 0.5, false},
{53, 75, 100, 100, 53, 75, 100, 100, 0, 0, 0, 0, 1.0, true},
{53, 75, 100, 100, 106, 150, 200, 200, 0, 0, 0, 0, 2.0, true},
{53, 75, 100, 100, 26, 37, 51, 51, 0, 0, 0, 0, 0.5, false},
{53, 74, 100, 100, 26, 37, 51, 50, 0, 0, 0, 0, 0.5, false},
{-1, -1, 100, 100, -1, -1, 51, 51, 0, 0, 0, 0, 0.5, false},
{-2, -2, 100, 100, -1, -1, 50, 50, 4, -4, 2, -2, 0.5, true},
{-101, -100, 50, 50, -51, -50, 26, 25, 0, 0, 0, 0, 0.5, false},
{10, 10, 20, 20, 5, 5, 10, 10, 0, 0, 0, 0, 0.5, true},
// Cannot scroll due to partial coverage on sides
{11, 10, 20, 20, 5, 5, 11, 10, 0, 0, 0, 0, 0.5, false},
// Can scroll since backing store is actually smaller/scaling up
{11, 20, 100, 100, 22, 40, 200, 200, 7, 3, 14, 6, 2.0, true},
// Can scroll due to delta and bounds being aligned
{10, 10, 20, 20, 5, 5, 10, 10, 6, 4, 3, 2, 0.5, true},
// Cannot scroll due to dx
{10, 10, 20, 20, 5, 5, 10, 10, 5, 4, 2, 2, 0.5, false},
// Cannot scroll due to dy
{10, 10, 20, 20, 5, 5, 10, 10, 6, 3, 3, 1, 0.5, false},
// Cannot scroll due to top
{10, 11, 20, 20, 5, 5, 10, 11, 6, 4, 3, 2, 0.5, false},
// Cannot scroll due to left
{7, 10, 20, 20, 3, 5, 11, 10, 6, 4, 3, 2, 0.5, false},
// Cannot scroll due to width
{10, 10, 21, 20, 5, 5, 11, 10, 6, 4, 3, 2, 0.5, false},
// Cannot scroll due to height
{10, 10, 20, 51, 5, 5, 10, 26, 6, 4, 3, 2, 0.5, false},
// Check negative scroll deltas
{10, 10, 20, 20, 5, 5, 10, 10, -6, -4, -3, -2, 0.5, true},
{10, 10, 20, 20, 5, 5, 10, 10, -6, -3, -3, -1, 0.5, false}, };
for (size_t i = 0; i < arraysize(tests); ++i) {
gfx::Rect r1(tests[i].x1, tests[i].y1, tests[i].w1, tests[i].h1);
gfx::Rect r2(tests[i].x2, tests[i].y2, tests[i].w2, tests[i].h2);
gfx::Rect orig = r1;
gfx::Point delta(tests[i].dx1, tests[i].dy1);
bool res = ConvertToLogicalPixels(tests[i].scale, &r1, &delta);
EXPECT_EQ(r2.ToString(), r1.ToString());
EXPECT_EQ(res, tests[i].result);
if (res) {
EXPECT_EQ(delta, gfx::Point(tests[i].dx2, tests[i].dy2));
}
// Reverse the scale and ensure all the original pixels are still inside
// the result.
ConvertToLogicalPixels(1.0f / tests[i].scale, &r1, nullptr);
EXPECT_TRUE(r1.Contains(orig));
}
}
} // namespace content
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