epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 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 | */ |
reed@google.com | 8ea6983 | 2013-06-21 15:11:40 +0000 | [diff] [blame] | 7 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 8 | #include "gm.h" |
Mike Klein | 33d2055 | 2017-03-22 13:47:51 -0400 | [diff] [blame] | 9 | #include "sk_tool_utils.h" |
caryclark | f597c42 | 2015-07-28 10:37:53 -0700 | [diff] [blame] | 10 | #include "Resources.h" |
Mike Reed | 9cd2a5c | 2019-01-22 15:17:59 -0500 | [diff] [blame] | 11 | #include "SkFontMetrics.h" |
bungeman | d3ebb48 | 2015-08-05 13:57:49 -0700 | [diff] [blame] | 12 | #include "SkPath.h" |
Mike Reed | 71f5a0b | 2018-10-25 16:12:39 -0400 | [diff] [blame] | 13 | #include "SkTextUtils.h" |
caryclark | f597c42 | 2015-07-28 10:37:53 -0700 | [diff] [blame] | 14 | #include "SkTypeface.h" |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 15 | |
reed@google.com | 8ea6983 | 2013-06-21 15:11:40 +0000 | [diff] [blame] | 16 | class Poly2PolyGM : public skiagm::GM { |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 17 | public: |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 18 | Poly2PolyGM() {} |
| 19 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 20 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 21 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 22 | SkString onShortName() override { |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 23 | return SkString("poly2poly"); |
| 24 | } |
| 25 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 26 | SkISize onISize() override { |
reed@google.com | 8ea6983 | 2013-06-21 15:11:40 +0000 | [diff] [blame] | 27 | return SkISize::Make(835, 840); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 28 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 29 | |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 30 | static void doDraw(SkCanvas* canvas, const SkFont& font, SkPaint* paint, const int isrc[], |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 31 | const int idst[], int count) { |
| 32 | SkMatrix matrix; |
| 33 | SkPoint src[4], dst[4]; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 34 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 35 | for (int i = 0; i < count; i++) { |
| 36 | src[i].set(SkIntToScalar(isrc[2*i+0]), SkIntToScalar(isrc[2*i+1])); |
| 37 | dst[i].set(SkIntToScalar(idst[2*i+0]), SkIntToScalar(idst[2*i+1])); |
| 38 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 39 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 40 | canvas->save(); |
| 41 | matrix.setPolyToPoly(src, dst, count); |
| 42 | canvas->concat(matrix); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 43 | |
Mike Klein | d46dce3 | 2018-08-16 10:17:03 -0400 | [diff] [blame] | 44 | paint->setColor(SK_ColorGRAY); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 45 | paint->setStyle(SkPaint::kStroke_Style); |
Mike Reed | 3661bc9 | 2017-02-22 13:21:42 -0500 | [diff] [blame] | 46 | const SkScalar D = 64; |
| 47 | canvas->drawRect(SkRect::MakeWH(D, D), *paint); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 48 | canvas->drawLine(0, 0, D, D, *paint); |
| 49 | canvas->drawLine(0, D, D, 0, *paint); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 50 | |
Mike Reed | b5784ac | 2018-11-12 09:35:15 -0500 | [diff] [blame] | 51 | SkFontMetrics fm; |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 52 | font.getMetrics(&fm); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 53 | paint->setColor(SK_ColorRED); |
| 54 | paint->setStyle(SkPaint::kFill_Style); |
| 55 | SkScalar x = D/2; |
bsalomon@google.com | 72e49b8 | 2011-10-27 21:47:03 +0000 | [diff] [blame] | 56 | SkScalar y = D/2 - (fm.fAscent + fm.fDescent)/2; |
caryclark | f597c42 | 2015-07-28 10:37:53 -0700 | [diff] [blame] | 57 | uint16_t glyphID = 3; // X |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 58 | SkTextUtils::Draw(canvas, &glyphID, sizeof(glyphID), kGlyphID_SkTextEncoding, x, y, |
| 59 | font, *paint, SkTextUtils::kCenter_Align); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 60 | canvas->restore(); |
| 61 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 62 | |
caryclark | f597c42 | 2015-07-28 10:37:53 -0700 | [diff] [blame] | 63 | void onOnceBeforeDraw() override { |
Hal Canary | 53e5e7d | 2017-12-08 14:25:14 -0500 | [diff] [blame] | 64 | fEmFace = MakeResourceAsTypeface("fonts/Em.ttf"); |
caryclark | f597c42 | 2015-07-28 10:37:53 -0700 | [diff] [blame] | 65 | } |
| 66 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 67 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 68 | SkPaint paint; |
| 69 | paint.setAntiAlias(true); |
| 70 | paint.setStrokeWidth(SkIntToScalar(4)); |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 71 | SkFont font(fEmFace, 40); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 72 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 73 | canvas->save(); |
| 74 | canvas->translate(SkIntToScalar(10), SkIntToScalar(10)); |
| 75 | // translate (1 point) |
| 76 | const int src1[] = { 0, 0 }; |
| 77 | const int dst1[] = { 5, 5 }; |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 78 | doDraw(canvas, font, &paint, src1, dst1, 1); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 79 | canvas->restore(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 80 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 81 | canvas->save(); |
| 82 | canvas->translate(SkIntToScalar(160), SkIntToScalar(10)); |
| 83 | // rotate/uniform-scale (2 points) |
| 84 | const int src2[] = { 32, 32, 64, 32 }; |
| 85 | const int dst2[] = { 32, 32, 64, 48 }; |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 86 | doDraw(canvas, font, &paint, src2, dst2, 2); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 87 | canvas->restore(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 88 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 89 | canvas->save(); |
| 90 | canvas->translate(SkIntToScalar(10), SkIntToScalar(110)); |
| 91 | // rotate/skew (3 points) |
| 92 | const int src3[] = { 0, 0, 64, 0, 0, 64 }; |
| 93 | const int dst3[] = { 0, 0, 96, 0, 24, 64 }; |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 94 | doDraw(canvas, font, &paint, src3, dst3, 3); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 95 | canvas->restore(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 96 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 97 | canvas->save(); |
| 98 | canvas->translate(SkIntToScalar(160), SkIntToScalar(110)); |
| 99 | // perspective (4 points) |
| 100 | const int src4[] = { 0, 0, 64, 0, 64, 64, 0, 64 }; |
| 101 | const int dst4[] = { 0, 0, 96, 0, 64, 96, 0, 64 }; |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 102 | doDraw(canvas, font, &paint, src4, dst4, 4); |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 103 | canvas->restore(); |
| 104 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 105 | |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 106 | private: |
reed@google.com | 8ea6983 | 2013-06-21 15:11:40 +0000 | [diff] [blame] | 107 | typedef skiagm::GM INHERITED; |
bungeman | 13b9c95 | 2016-05-12 10:09:30 -0700 | [diff] [blame] | 108 | sk_sp<SkTypeface> fEmFace; |
reed@google.com | 67981c5 | 2011-02-17 14:21:01 +0000 | [diff] [blame] | 109 | }; |
| 110 | |
| 111 | ////////////////////////////////////////////////////////////////////////////// |
| 112 | |
reed@google.com | 8ea6983 | 2013-06-21 15:11:40 +0000 | [diff] [blame] | 113 | DEF_GM( return new Poly2PolyGM; ) |