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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "tests/common/TestUtils.h"
#include <hwui/Paint.h>
#include <SkCanvasStateUtils.h>
#include <SkPicture.h>
#include <SkPictureRecorder.h>
#include <gtest/gtest.h>
using namespace android;
using namespace android::uirenderer;
TEST(SkiaCanvas, drawShadowLayer) {
auto surface = SkSurface::MakeRasterN32Premul(10, 10);
SkiaCanvas canvas(surface->getCanvas());
// clear to white
canvas.drawColor(SK_ColorWHITE, SkBlendMode::kSrc);
Paint paint;
// it is transparent to ensure that we still draw the rect since it has a looper
paint.setColor(SK_ColorTRANSPARENT);
// this is how view's shadow layers are implemented
paint.setLooper(BlurDrawLooper::Make({0, 0, 0, 240.0f / 255}, nullptr, 6.0f, {0, 10}));
canvas.drawRect(3, 3, 7, 7, paint);
ASSERT_EQ(TestUtils::getColor(surface, 0, 0), SK_ColorWHITE);
ASSERT_NE(TestUtils::getColor(surface, 5, 5), SK_ColorWHITE);
}
TEST(SkiaCanvas, colorSpaceXform) {
sk_sp<SkColorSpace> adobe = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB,
SkNamedGamut::kAdobeRGB);
SkImageInfo adobeInfo = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType, adobe);
sk_sp<Bitmap> adobeBitmap = Bitmap::allocateHeapBitmap(adobeInfo);
SkBitmap adobeSkBitmap;
adobeBitmap->getSkBitmap(&adobeSkBitmap);
*adobeSkBitmap.getAddr32(0, 0) = 0xFF0000F0; // Opaque, almost fully-red
SkImageInfo info = adobeInfo.makeColorSpace(SkColorSpace::MakeSRGB());
sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info);
SkBitmap skBitmap;
bitmap->getSkBitmap(&skBitmap);
// Create a software sRGB canvas.
SkiaCanvas canvas(skBitmap);
canvas.drawBitmap(*adobeBitmap, 0, 0, nullptr);
// The result should be fully red, since we convert to sRGB at draw time.
ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0));
// Create a software canvas with an Adobe color space.
SkiaCanvas adobeSkCanvas(adobeSkBitmap);
adobeSkCanvas.drawBitmap(*bitmap, 0, 0, nullptr);
// The result should be less than fully red, since we convert to Adobe RGB at draw time.
ASSERT_EQ(0xFF0000DC, *adobeSkBitmap.getAddr32(0, 0));
// Test picture recording.
SkPictureRecorder recorder;
SkCanvas* skPicCanvas = recorder.beginRecording(1, 1);
SkiaCanvas picCanvas(skPicCanvas);
picCanvas.drawBitmap(*adobeBitmap, 0, 0, nullptr);
sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
// Playback to a software sRGB canvas. The result should be fully red.
canvas.drawPicture(*picture);
ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0));
}
TEST(SkiaCanvas, captureCanvasState) {
// Create a software canvas.
SkImageInfo info = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType);
sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info);
SkBitmap skBitmap;
bitmap->getSkBitmap(&skBitmap);
skBitmap.eraseColor(0);
SkiaCanvas canvas(skBitmap);
// Translate, then capture and verify the CanvasState.
canvas.translate(1.0f, 1.0f);
SkCanvasState* state = canvas.captureCanvasState();
ASSERT_NE(state, nullptr);
std::unique_ptr<SkCanvas> newCanvas = SkCanvasStateUtils::MakeFromCanvasState(state);
ASSERT_NE(newCanvas.get(), nullptr);
newCanvas->translate(-1.0f, -1.0f);
ASSERT_TRUE(newCanvas->getTotalMatrix().isIdentity());
SkCanvasStateUtils::ReleaseCanvasState(state);
// Create a picture canvas.
SkPictureRecorder recorder;
SkCanvas* skPicCanvas = recorder.beginRecording(1, 1);
SkiaCanvas picCanvas(skPicCanvas);
state = picCanvas.captureCanvasState();
// Verify that we cannot get the CanvasState.
ASSERT_EQ(state, nullptr);
}
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