1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "tests/common/TestUtils.h" 18 19 #include <RecordingCanvas.h> 20 #include <SkBlurDrawLooper.h> 21 #include <SkCanvasStateUtils.h> 22 #include <SkPicture.h> 23 #include <SkPictureRecorder.h> 24 #include <gtest/gtest.h> 25 26 using namespace android; 27 using namespace android::uirenderer; 28 29 /** 30 * Verify that we get the same culling bounds for text for (1) drawing glyphs 31 * directly to a Canvas or (2) going through a SkPicture as an intermediate step. 32 */ 33 OPENGL_PIPELINE_TEST(SkiaCanvasProxy, drawGlyphsViaPicture) { 34 auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) { 35 // setup test variables 36 SkPaint paint; 37 paint.setAntiAlias(true); 38 paint.setTextSize(20); 39 static const char* text = "testing text bounds"; 40 41 // draw text directly into Recording canvas 42 TestUtils::drawUtf8ToCanvas(&canvas, text, paint, 25, 25); 43 44 // record the same text draw into a SkPicture and replay it into a Recording canvas 45 SkPictureRecorder recorder; 46 SkCanvas* skCanvas = recorder.beginRecording(200, 200, NULL, 0); 47 std::unique_ptr<Canvas> pictCanvas(Canvas::create_canvas(skCanvas)); 48 TestUtils::drawUtf8ToCanvas(pictCanvas.get(), text, paint, 25, 25); 49 sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture(); 50 51 canvas.asSkCanvas()->drawPicture(picture); 52 }); 53 54 // verify that the text bounds and matrices match 55 ASSERT_EQ(2U, dl->getOps().size()); 56 auto directOp = dl->getOps()[0]; 57 auto pictureOp = dl->getOps()[1]; 58 ASSERT_EQ(RecordedOpId::TextOp, directOp->opId); 59 EXPECT_EQ(directOp->opId, pictureOp->opId); 60 EXPECT_EQ(directOp->unmappedBounds, pictureOp->unmappedBounds); 61 EXPECT_EQ(directOp->localMatrix, pictureOp->localMatrix); 62 } 63 64 TEST(SkiaCanvas, drawShadowLayer) { 65 auto surface = SkSurface::MakeRasterN32Premul(10, 10); 66 SkiaCanvas canvas(surface->getCanvas()); 67 68 // clear to white 69 canvas.drawColor(SK_ColorWHITE, SkBlendMode::kSrc); 70 71 SkPaint paint; 72 // it is transparent to ensure that we still draw the rect since it has a looper 73 paint.setColor(SK_ColorTRANSPARENT); 74 // this is how view's shadow layers are implemented 75 paint.setLooper(SkBlurDrawLooper::Make(0xF0000000, 6.0f, 0, 10)); 76 canvas.drawRect(3, 3, 7, 7, paint); 77 78 ASSERT_EQ(TestUtils::getColor(surface, 0, 0), SK_ColorWHITE); 79 ASSERT_NE(TestUtils::getColor(surface, 5, 5), SK_ColorWHITE); 80 } 81 82 TEST(SkiaCanvas, colorSpaceXform) { 83 sk_sp<SkColorSpace> adobe = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma, 84 SkColorSpace::kAdobeRGB_Gamut); 85 86 SkImageInfo adobeInfo = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType, adobe); 87 sk_sp<Bitmap> adobeBitmap = Bitmap::allocateHeapBitmap(adobeInfo); 88 SkBitmap adobeSkBitmap; 89 adobeBitmap->getSkBitmap(&adobeSkBitmap); 90 *adobeSkBitmap.getAddr32(0, 0) = 0xFF0000F0; // Opaque, almost fully-red 91 92 SkImageInfo info = adobeInfo.makeColorSpace(nullptr); 93 sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info); 94 SkBitmap skBitmap; 95 bitmap->getSkBitmap(&skBitmap); 96 97 // Create a software canvas. 98 SkiaCanvas canvas(skBitmap); 99 canvas.drawBitmap(*adobeBitmap, 0, 0, nullptr); 100 // The result should be fully red, since we convert to sRGB at draw time. 101 ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0)); 102 103 // Create a software canvas with an Adobe color space. 104 SkiaCanvas adobeSkCanvas(adobeSkBitmap); 105 adobeSkCanvas.drawBitmap(*bitmap, 0, 0, nullptr); 106 // The result should be less than fully red, since we convert to Adobe RGB at draw time. 107 ASSERT_EQ(0xFF0000DC, *adobeSkBitmap.getAddr32(0, 0)); 108 109 // Test picture recording. 110 SkPictureRecorder recorder; 111 SkCanvas* skPicCanvas = recorder.beginRecording(1, 1, NULL, 0); 112 SkiaCanvas picCanvas(skPicCanvas); 113 picCanvas.drawBitmap(*adobeBitmap, 0, 0, nullptr); 114 sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture(); 115 116 // Playback to an software canvas. The result should be fully red. 117 canvas.asSkCanvas()->drawPicture(picture); 118 ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0)); 119 } 120 121 TEST(SkiaCanvas, captureCanvasState) { 122 // Create a software canvas. 123 SkImageInfo info = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType); 124 sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info); 125 SkBitmap skBitmap; 126 bitmap->getSkBitmap(&skBitmap); 127 skBitmap.eraseColor(0); 128 SkiaCanvas canvas(skBitmap); 129 130 // Translate, then capture and verify the CanvasState. 131 canvas.translate(1.0f, 1.0f); 132 SkCanvasState* state = canvas.captureCanvasState(); 133 ASSERT_NE(state, nullptr); 134 std::unique_ptr<SkCanvas> newCanvas = SkCanvasStateUtils::MakeFromCanvasState(state); 135 ASSERT_NE(newCanvas.get(), nullptr); 136 newCanvas->translate(-1.0f, -1.0f); 137 ASSERT_TRUE(newCanvas->getTotalMatrix().isIdentity()); 138 SkCanvasStateUtils::ReleaseCanvasState(state); 139 140 // Create a picture canvas. 141 SkPictureRecorder recorder; 142 SkCanvas* skPicCanvas = recorder.beginRecording(1, 1, NULL, 0); 143 SkiaCanvas picCanvas(skPicCanvas); 144 state = picCanvas.captureCanvasState(); 145 146 // Verify that we cannot get the CanvasState. 147 ASSERT_EQ(state, nullptr); 148 } 149
