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 | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "include/core/SkBitmap.h" |
| 9 | #include "include/core/SkCanvas.h" |
| 10 | #include "include/core/SkColorFilter.h" |
| 11 | #include "include/core/SkColorPriv.h" |
| 12 | #include "include/core/SkFont.h" |
| 13 | #include "include/core/SkGraphics.h" |
| 14 | #include "include/core/SkPath.h" |
| 15 | #include "include/core/SkRegion.h" |
| 16 | #include "include/core/SkShader.h" |
| 17 | #include "include/core/SkTime.h" |
| 18 | #include "include/core/SkTypeface.h" |
| 19 | #include "include/effects/SkGradientShader.h" |
| 20 | #include "samplecode/Sample.h" |
| 21 | #include "src/utils/SkUTF.h" |
| 22 | #include "tools/timer/AnimTimer.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 23 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 24 | #include "include/core/SkStream.h" |
| 25 | #include "src/core/SkOSFile.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 26 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 27 | #define INT_SIZE 64 |
| 28 | #define SCALAR_SIZE SkIntToScalar(INT_SIZE) |
reed@google.com | 3cec4d7 | 2011-07-06 13:59:47 +0000 | [diff] [blame] | 29 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 30 | static void make_bitmap(SkBitmap* bitmap) { |
commit-bot@chromium.org | a8c1831 | 2014-02-17 02:55:57 +0000 | [diff] [blame] | 31 | bitmap->allocN32Pixels(INT_SIZE, INT_SIZE); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 32 | SkCanvas canvas(*bitmap); |
reed@google.com | 3cec4d7 | 2011-07-06 13:59:47 +0000 | [diff] [blame] | 33 | |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 34 | canvas.drawColor(SK_ColorRED); |
| 35 | SkPaint paint; |
| 36 | paint.setAntiAlias(true); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 37 | const SkPoint pts[] = { { 0, 0 }, { SCALAR_SIZE, SCALAR_SIZE } }; |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 38 | const SkColor colors[] = { SK_ColorWHITE, SK_ColorBLUE }; |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 39 | paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkTileMode::kClamp)); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 40 | canvas.drawCircle(SCALAR_SIZE/2, SCALAR_SIZE/2, SCALAR_SIZE/2, paint); |
| 41 | } |
| 42 | |
| 43 | static SkPoint unit_vec(int degrees) { |
| 44 | SkScalar rad = SkDegreesToRadians(SkIntToScalar(degrees)); |
Brian Osman | 4428f2c | 2019-04-02 10:59:28 -0400 | [diff] [blame] | 45 | return SkPoint::Make(SkScalarCos(rad), SkScalarSin(rad)); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | static void bounce(SkScalar* value, SkScalar* delta, SkScalar min, SkScalar max) { |
| 49 | *value += *delta; |
| 50 | if (*value < min) { |
| 51 | *value = min; |
| 52 | *delta = - *delta; |
| 53 | } else if (*value > max) { |
| 54 | *value = max; |
| 55 | *delta = - *delta; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | static void bounce_pt(SkPoint* pt, SkVector* vec, const SkRect& limit) { |
| 60 | bounce(&pt->fX, &vec->fX, limit.fLeft, limit.fRight); |
| 61 | bounce(&pt->fY, &vec->fY, limit.fTop, limit.fBottom); |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 62 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 63 | |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 64 | class BitmapRectView : public Sample { |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 65 | SkPoint fSrcPts[2]; |
| 66 | SkPoint fSrcVec[2]; |
| 67 | SkRect fSrcLimit; |
| 68 | SkRect fDstR[2]; |
| 69 | |
| 70 | void bounce() { |
| 71 | bounce_pt(&fSrcPts[0], &fSrcVec[0], fSrcLimit); |
| 72 | bounce_pt(&fSrcPts[1], &fSrcVec[1], fSrcLimit); |
| 73 | } |
| 74 | |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 75 | void resetBounce() { |
| 76 | fSrcPts[0].set(0, 0); |
| 77 | fSrcPts[1].set(SCALAR_SIZE, SCALAR_SIZE); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 78 | |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 79 | fSrcVec[0] = unit_vec(30); |
| 80 | fSrcVec[1] = unit_vec(107); |
| 81 | } |
| 82 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 83 | public: |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 84 | BitmapRectView() { |
reed@google.com | f218339 | 2011-04-22 14:10:48 +0000 | [diff] [blame] | 85 | this->setBGColor(SK_ColorGRAY); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 86 | |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 87 | this->resetBounce(); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 88 | |
| 89 | fSrcLimit.set(-SCALAR_SIZE/4, -SCALAR_SIZE/4, |
| 90 | SCALAR_SIZE*5/4, SCALAR_SIZE*5/4); |
| 91 | |
| 92 | fDstR[0] = SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(100), |
| 93 | SkIntToScalar(250), SkIntToScalar(300)); |
| 94 | fDstR[1] = fDstR[0]; |
| 95 | fDstR[1].offset(fDstR[0].width() * 5/4, 0); |
| 96 | |
| 97 | fSrcPts[0].set(32, 32); |
| 98 | fSrcPts[1].set(90, 90); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 99 | } |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 100 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 101 | protected: |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 102 | bool onQuery(Sample::Event* evt) override { |
| 103 | if (Sample::TitleQ(*evt)) { |
| 104 | Sample::TitleR(evt, "BitmapRect"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 105 | return true; |
| 106 | } |
| 107 | return this->INHERITED::onQuery(evt); |
| 108 | } |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 109 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 110 | void onDrawContent(SkCanvas* canvas) override { |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 111 | SkRect srcR; |
| 112 | srcR.set(fSrcPts[0], fSrcPts[1]); |
| 113 | srcR = SkRect::MakeXYWH(fSrcPts[0].fX, fSrcPts[0].fY, 32, 32); |
| 114 | srcR.offset(-srcR.width()/2, -srcR.height()/2); |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 115 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 116 | SkPaint paint; |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 117 | paint.setStyle(SkPaint::kStroke_Style); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 118 | paint.setColor(SK_ColorYELLOW); |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 119 | |
reed@google.com | 3cec4d7 | 2011-07-06 13:59:47 +0000 | [diff] [blame] | 120 | SkBitmap bitmap; |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 121 | make_bitmap(&bitmap); |
reed@google.com | 3cec4d7 | 2011-07-06 13:59:47 +0000 | [diff] [blame] | 122 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 123 | canvas->translate(20, 20); |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 124 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 125 | canvas->drawBitmap(bitmap, 0, 0, &paint); |
| 126 | canvas->drawRect(srcR, paint); |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 127 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 128 | for (int i = 0; i < 2; ++i) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 129 | paint.setFilterQuality(1 == i ? kLow_SkFilterQuality : kNone_SkFilterQuality); |
reed | e47829b | 2015-08-06 10:02:53 -0700 | [diff] [blame] | 130 | canvas->drawBitmapRect(bitmap, srcR, fDstR[i], &paint, |
reed | 84984ef | 2015-07-17 07:09:43 -0700 | [diff] [blame] | 131 | SkCanvas::kStrict_SrcRectConstraint); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 132 | canvas->drawRect(fDstR[i], paint); |
reed@android.com | fead49e | 2009-10-15 18:51:46 +0000 | [diff] [blame] | 133 | } |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 134 | } |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 135 | |
Mike Klein | cd5104e | 2019-03-20 11:55:08 -0500 | [diff] [blame] | 136 | bool onAnimate(const AnimTimer& timer) override { |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 137 | if (timer.isStopped()) { |
| 138 | this->resetBounce(); |
| 139 | } else if (timer.isRunning()) { |
| 140 | this->bounce(); |
| 141 | } |
| 142 | return true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 143 | } |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 144 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 145 | private: |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 146 | typedef Sample INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 147 | }; |
| 148 | |
| 149 | ////////////////////////////////////////////////////////////////////////////// |
| 150 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 151 | static void make_big_bitmap(SkBitmap* bm) { |
| 152 | static const char gText[] = |
| 153 | "We the people, in order to form a more perfect union, establish justice," |
| 154 | " ensure domestic tranquility, provide for the common defense, promote the" |
| 155 | " general welfare and ensure the blessings of liberty to ourselves and our" |
| 156 | " posterity, do ordain and establish this constitution for the United" |
| 157 | " States of America."; |
| 158 | |
| 159 | const int BIG_H = 120; |
| 160 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 161 | SkFont font; |
| 162 | font.setSize(SkIntToScalar(BIG_H)); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 163 | |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 164 | const int BIG_W = SkScalarRoundToInt(font.measureText(gText, strlen(gText), SkTextEncoding::kUTF8)); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 165 | |
commit-bot@chromium.org | a8c1831 | 2014-02-17 02:55:57 +0000 | [diff] [blame] | 166 | bm->allocN32Pixels(BIG_W, BIG_H); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 167 | bm->eraseColor(SK_ColorWHITE); |
| 168 | |
| 169 | SkCanvas canvas(*bm); |
| 170 | |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 171 | canvas.drawSimpleText(gText, strlen(gText), SkTextEncoding::kUTF8, 0, font.getSize()*4/5, font, SkPaint()); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 172 | } |
| 173 | |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 174 | class BitmapRectView2 : public Sample { |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 175 | SkBitmap fBitmap; |
| 176 | |
| 177 | SkRect fSrcR; |
| 178 | SkRect fLimitR; |
| 179 | SkScalar fDX; |
| 180 | SkRect fDstR[2]; |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 181 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 182 | void bounceMe() { |
| 183 | SkScalar width = fSrcR.width(); |
| 184 | bounce(&fSrcR.fLeft, &fDX, fLimitR.fLeft, fLimitR.fRight - width); |
| 185 | fSrcR.fRight = fSrcR.fLeft + width; |
| 186 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 187 | |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 188 | void resetBounce() { |
| 189 | fSrcR.iset(0, 0, fBitmap.height() * 3, fBitmap.height()); |
| 190 | fDX = SK_Scalar1; |
| 191 | } |
| 192 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 193 | public: |
Ben Wagner | 4d51611 | 2018-06-07 13:11:37 -0400 | [diff] [blame] | 194 | BitmapRectView2() { } |
| 195 | |
| 196 | protected: |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 197 | bool onQuery(Sample::Event* evt) override { |
| 198 | if (Sample::TitleQ(*evt)) { |
| 199 | Sample::TitleR(evt, "BigBitmapRect"); |
Ben Wagner | 4d51611 | 2018-06-07 13:11:37 -0400 | [diff] [blame] | 200 | return true; |
| 201 | } |
| 202 | return this->INHERITED::onQuery(evt); |
| 203 | } |
| 204 | |
| 205 | void onOnceBeforeDraw() override { |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 206 | make_big_bitmap(&fBitmap); |
| 207 | |
| 208 | this->setBGColor(SK_ColorGRAY); |
| 209 | |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 210 | this->resetBounce(); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 211 | |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 212 | fLimitR.iset(0, 0, fBitmap.width(), fBitmap.height()); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 213 | |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 214 | fDstR[0] = SkRect::MakeXYWH(20, 20, 600, 200); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 215 | fDstR[1] = fDstR[0]; |
| 216 | fDstR[1].offset(0, fDstR[0].height() * 5/4); |
| 217 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 218 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 219 | void onDrawContent(SkCanvas* canvas) override { |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 220 | SkPaint paint; |
| 221 | paint.setStyle(SkPaint::kStroke_Style); |
| 222 | paint.setColor(SK_ColorYELLOW); |
| 223 | |
| 224 | for (int i = 0; i < 2; ++i) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 225 | paint.setFilterQuality(1 == i ? kLow_SkFilterQuality : kNone_SkFilterQuality); |
reed | e47829b | 2015-08-06 10:02:53 -0700 | [diff] [blame] | 226 | canvas->drawBitmapRect(fBitmap, fSrcR, fDstR[i], &paint, |
reed | 84984ef | 2015-07-17 07:09:43 -0700 | [diff] [blame] | 227 | SkCanvas::kStrict_SrcRectConstraint); |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 228 | canvas->drawRect(fDstR[i], paint); |
| 229 | } |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 230 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 231 | |
Mike Klein | cd5104e | 2019-03-20 11:55:08 -0500 | [diff] [blame] | 232 | bool onAnimate(const AnimTimer& timer) override { |
reed | 76113a9 | 2015-02-02 12:55:02 -0800 | [diff] [blame] | 233 | if (timer.isStopped()) { |
| 234 | this->resetBounce(); |
| 235 | } else if (timer.isRunning()) { |
| 236 | this->bounceMe(); |
| 237 | } |
| 238 | return true; |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 239 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 240 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 241 | private: |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 242 | typedef Sample INHERITED; |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 243 | }; |
| 244 | |
| 245 | ////////////////////////////////////////////////////////////////////////////// |
| 246 | |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 247 | DEF_SAMPLE( return new BitmapRectView(); ) |
| 248 | DEF_SAMPLE( return new BitmapRectView2(); ) |