msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "gm/gm.h" |
| 9 | #include "include/codec/SkCodec.h" |
Ben Wagner | 6a34f3a | 2019-05-01 10:59:30 -0400 | [diff] [blame] | 10 | #include "include/core/SkBitmap.h" |
| 11 | #include "include/core/SkCanvas.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 12 | #include "include/core/SkImage.h" |
Ben Wagner | 6a34f3a | 2019-05-01 10:59:30 -0400 | [diff] [blame] | 13 | #include "include/core/SkImageInfo.h" |
| 14 | #include "include/core/SkRefCnt.h" |
| 15 | #include "include/core/SkScalar.h" |
| 16 | #include "include/core/SkSize.h" |
| 17 | #include "include/core/SkStream.h" |
| 18 | #include "include/core/SkString.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 19 | #include "tools/Resources.h" |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 20 | |
Ben Wagner | 6a34f3a | 2019-05-01 10:59:30 -0400 | [diff] [blame] | 21 | #include <memory> |
| 22 | |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 23 | namespace skiagm { |
| 24 | |
| 25 | class BitmapImageGM : public GM { |
| 26 | public: |
| 27 | BitmapImageGM() {} |
| 28 | |
| 29 | protected: |
| 30 | |
| 31 | SkString onShortName() override { |
Matt Sarett | a9da22d | 2016-12-08 08:32:44 -0500 | [diff] [blame] | 32 | return SkString("bitmap-image-srgb-legacy"); |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | SkISize onISize() override { |
| 36 | return SkISize::Make(2*kSize, 2*kSize); |
| 37 | } |
| 38 | |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 39 | DrawResult onDraw(SkCanvas* canvas, SkString* errorMsg) override { |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 40 | // Create image. |
Hal Canary | c465d13 | 2017-12-08 10:21:31 -0500 | [diff] [blame] | 41 | const char* path = "images/mandrill_512_q075.jpg"; |
Matt Sarett | a9da22d | 2016-12-08 08:32:44 -0500 | [diff] [blame] | 42 | sk_sp<SkImage> image = GetResourceAsImage(path); |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 43 | if (!image) { |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 44 | *errorMsg = "Couldn't load images/mandrill_512_q075.jpg. " |
| 45 | "Did you forget to set the resource path?"; |
| 46 | return DrawResult::kFail; |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | // Create matching bitmap. |
Mike Reed | ede7bac | 2017-07-23 15:30:02 -0400 | [diff] [blame] | 50 | std::unique_ptr<SkCodec> codec(SkCodec::MakeFromStream(GetResourceAsStream(path))); |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 51 | SkBitmap bitmap; |
Matt Sarett | a9da22d | 2016-12-08 08:32:44 -0500 | [diff] [blame] | 52 | bitmap.allocPixels(codec->getInfo()); |
| 53 | codec->getPixels(codec->getInfo(), bitmap.getPixels(), bitmap.rowBytes()); |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 54 | |
| 55 | // The GM will be displayed in a 2x2 grid. |
Matt Sarett | a9da22d | 2016-12-08 08:32:44 -0500 | [diff] [blame] | 56 | // The top two squares show an sRGB image, then bitmap, drawn to a legacy canvas. |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 57 | SkImageInfo linearInfo = SkImageInfo::MakeN32(2*kSize, kSize, kOpaque_SkAlphaType); |
Matt Sarett | a9da22d | 2016-12-08 08:32:44 -0500 | [diff] [blame] | 58 | SkBitmap legacyBMCanvas; |
| 59 | legacyBMCanvas.allocPixels(linearInfo); |
| 60 | SkCanvas legacyCanvas(legacyBMCanvas); |
| 61 | legacyCanvas.drawImage(image, 0.0f, 0.0f, nullptr); |
| 62 | legacyCanvas.translate(SkScalar(kSize), 0.0f); |
| 63 | legacyCanvas.drawBitmap(bitmap, 0.0f, 0.0f, nullptr); |
| 64 | canvas->drawBitmap(legacyBMCanvas, 0.0f, 0.0f, nullptr); |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 65 | canvas->translate(0.0f, SkScalar(kSize)); |
| 66 | |
| 67 | // The bottom two squares show an sRGB image, then bitmap, drawn to a srgb canvas. |
| 68 | SkImageInfo srgbInfo = SkImageInfo::MakeS32(2*kSize, kSize, kOpaque_SkAlphaType); |
| 69 | SkBitmap srgbBMCanvas; |
| 70 | srgbBMCanvas.allocPixels(srgbInfo); |
| 71 | SkCanvas srgbCanvas(srgbBMCanvas); |
| 72 | srgbCanvas.drawImage(image, 0.0f, 0.0f, nullptr); |
| 73 | srgbCanvas.translate(SkScalar(kSize), 0.0f); |
| 74 | srgbCanvas.drawBitmap(bitmap, 0.0f, 0.0f, nullptr); |
| 75 | canvas->drawBitmap(srgbBMCanvas, 0.0f, 0.0f, nullptr); |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 76 | return DrawResult::kOk; |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | private: |
| 80 | static constexpr int kSize = 512; |
| 81 | |
| 82 | typedef GM INHERITED; |
| 83 | }; |
| 84 | |
| 85 | ////////////////////////////////////////////////////////////////////////////// |
| 86 | |
Hal Canary | e964c18 | 2019-01-23 10:22:01 -0500 | [diff] [blame] | 87 | DEF_GM( return new BitmapImageGM; ) |
msarett | be36d59 | 2016-06-13 11:25:03 -0700 | [diff] [blame] | 88 | |
| 89 | } |