mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 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 | |
halcanary | b0cce2c | 2015-01-26 12:49:00 -0800 | [diff] [blame] | 8 | #include "sk_tool_utils.h" |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 9 | #include "SampleCode.h" |
| 10 | #include "SkView.h" |
| 11 | #include "SkCanvas.h" |
| 12 | #include "SkPath.h" |
| 13 | #include "SkRegion.h" |
| 14 | #include "SkShader.h" |
| 15 | #include "SkUtils.h" |
| 16 | #include "SkImage.h" |
| 17 | #include "SkSurface.h" |
| 18 | |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 19 | #define FAT_PIXEL_COLOR SK_ColorBLACK |
| 20 | #define PIXEL_CENTER_SIZE 3 |
| 21 | #define WIRE_FRAME_COLOR 0xFFFF0000 /*0xFF00FFFF*/ |
| 22 | #define WIRE_FRAME_SIZE 1.5f |
| 23 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 24 | static SkScalar apply_grid(SkScalar x) { |
| 25 | const SkScalar grid = 2; |
| 26 | return SkScalarRoundToScalar(x * grid) / grid; |
| 27 | } |
| 28 | |
| 29 | static void apply_grid(SkPoint pts[], int count) { |
| 30 | for (int i = 0; i < count; ++i) { |
| 31 | pts[i].set(apply_grid(pts[i].fX), apply_grid(pts[i].fY)); |
| 32 | } |
| 33 | } |
| 34 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 35 | static void erase(SkSurface* surface) { |
junov@google.com | dbfac8a | 2012-12-06 21:47:40 +0000 | [diff] [blame] | 36 | surface->getCanvas()->clear(SK_ColorTRANSPARENT); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 37 | } |
| 38 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 39 | class FatBits { |
| 40 | public: |
commit-bot@chromium.org | 5970f62 | 2014-05-12 20:42:21 +0000 | [diff] [blame] | 41 | FatBits() { |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 42 | fAA = false; |
| 43 | fStyle = kHair_Style; |
reed | bb88674 | 2015-08-15 07:42:31 -0700 | [diff] [blame] | 44 | fGrid = false; |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 45 | fShowSkeleton = true; |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 46 | fUseClip = false; |
mike@reedtribe.org | 64494e9 | 2013-03-06 02:18:33 +0000 | [diff] [blame] | 47 | fRectAsOval = false; |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 48 | fUseTriangle = false; |
reed | a5d1207 | 2015-11-16 18:57:18 -0800 | [diff] [blame] | 49 | fStrokeCap = SkPaint::kButt_Cap; |
skia.committer@gmail.com | 1aa90cf | 2012-11-06 13:18:25 +0000 | [diff] [blame] | 50 | |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 51 | fClipRect.set(2, 2, 11, 8 ); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 52 | } |
| 53 | |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 54 | int getZoom() const { return fZoom; } |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 55 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 56 | bool getAA() const { return fAA; } |
| 57 | void setAA(bool aa) { fAA = aa; } |
| 58 | |
| 59 | bool getGrid() const { return fGrid; } |
| 60 | void setGrid(bool g) { fGrid = g; } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 61 | |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 62 | bool getShowSkeleton() const { return fShowSkeleton; } |
| 63 | void setShowSkeleton(bool ss) { fShowSkeleton = ss; } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 64 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 65 | bool getTriangle() const { return fUseTriangle; } |
| 66 | void setTriangle(bool ut) { fUseTriangle = ut; } |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 67 | |
mike@reedtribe.org | 64494e9 | 2013-03-06 02:18:33 +0000 | [diff] [blame] | 68 | void toggleRectAsOval() { fRectAsOval = !fRectAsOval; } |
| 69 | |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 70 | void togglePixelColors() { |
| 71 | if (fShader == fShader0) { |
| 72 | fShader = fShader1; |
| 73 | } else { |
| 74 | fShader = fShader0; |
| 75 | } |
| 76 | } |
| 77 | |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 78 | bool getUseClip() const { return fUseClip; } |
| 79 | void setUseClip(bool uc) { fUseClip = uc; } |
| 80 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 81 | enum Style { |
| 82 | kHair_Style, |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 83 | kStroke_Style, |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 84 | }; |
| 85 | Style getStyle() const { return fStyle; } |
| 86 | void setStyle(Style s) { fStyle = s; } |
| 87 | |
| 88 | void setWHZ(int width, int height, int zoom) { |
| 89 | fW = width; |
| 90 | fH = height; |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 91 | fZoom = zoom; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 92 | fBounds.set(0, 0, SkIntToScalar(width * zoom), SkIntToScalar(height * zoom)); |
| 93 | fMatrix.setScale(SkIntToScalar(zoom), SkIntToScalar(zoom)); |
| 94 | fInverse.setScale(SK_Scalar1 / zoom, SK_Scalar1 / zoom); |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 95 | fShader0 = sk_tool_utils::create_checkerboard_shader(0xFFDDDDDD, 0xFFFFFFFF, zoom); |
| 96 | fShader1 = SkShader::MakeColorShader(SK_ColorWHITE); |
| 97 | fShader = fShader0; |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 98 | |
commit-bot@chromium.org | 32678d9 | 2014-01-15 02:38:22 +0000 | [diff] [blame] | 99 | SkImageInfo info = SkImageInfo::MakeN32Premul(width, height); |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 100 | fMinSurface = SkSurface::MakeRaster(info); |
reed | e5ea500 | 2014-09-03 11:54:58 -0700 | [diff] [blame] | 101 | info = info.makeWH(width * zoom, height * zoom); |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 102 | fMaxSurface = SkSurface::MakeRaster(info); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | void drawBG(SkCanvas*); |
| 106 | void drawFG(SkCanvas*); |
| 107 | void drawLine(SkCanvas*, SkPoint pts[2]); |
| 108 | void drawRect(SkCanvas* canvas, SkPoint pts[2]); |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 109 | void drawTriangle(SkCanvas* canvas, SkPoint pts[3]); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 110 | |
reed | a5d1207 | 2015-11-16 18:57:18 -0800 | [diff] [blame] | 111 | SkPaint::Cap fStrokeCap; |
| 112 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 113 | private: |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 114 | bool fAA, fGrid, fShowSkeleton, fUseClip, fRectAsOval, fUseTriangle; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 115 | Style fStyle; |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 116 | int fW, fH, fZoom; |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 117 | SkMatrix fMatrix, fInverse; |
| 118 | SkRect fBounds, fClipRect; |
| 119 | sk_sp<SkShader> fShader0; |
| 120 | sk_sp<SkShader> fShader1; |
| 121 | sk_sp<SkShader> fShader; |
| 122 | sk_sp<SkSurface> fMinSurface; |
| 123 | sk_sp<SkSurface> fMaxSurface; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 124 | |
| 125 | void setupPaint(SkPaint* paint) { |
| 126 | bool aa = this->getAA(); |
reed | a5d1207 | 2015-11-16 18:57:18 -0800 | [diff] [blame] | 127 | paint->setStrokeCap(fStrokeCap); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 128 | switch (fStyle) { |
| 129 | case kHair_Style: |
| 130 | paint->setStrokeWidth(0); |
| 131 | break; |
| 132 | case kStroke_Style: |
reed@google.com | cdbcb3e | 2012-10-22 22:10:20 +0000 | [diff] [blame] | 133 | paint->setStrokeWidth(SK_Scalar1); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 134 | break; |
| 135 | } |
| 136 | paint->setAntiAlias(aa); |
| 137 | } |
| 138 | |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 139 | void setupSkeletonPaint(SkPaint* paint) { |
| 140 | paint->setStyle(SkPaint::kStroke_Style); |
| 141 | paint->setStrokeWidth(WIRE_FRAME_SIZE); |
| 142 | paint->setColor(fShowSkeleton ? WIRE_FRAME_COLOR : 0); |
| 143 | paint->setAntiAlias(true); |
| 144 | } |
| 145 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 146 | void drawTriangleSkeleton(SkCanvas* max, const SkPoint pts[]); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 147 | void drawLineSkeleton(SkCanvas* max, const SkPoint pts[]); |
| 148 | void drawRectSkeleton(SkCanvas* max, const SkRect& r) { |
| 149 | SkPaint paint; |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 150 | this->setupSkeletonPaint(&paint); |
| 151 | SkPath path; |
| 152 | |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 153 | fRectAsOval ? path.addOval(r) : path.addRect(r); |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 154 | max->drawPath(path, paint); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 155 | } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 156 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 157 | void copyMinToMax() { |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 158 | erase(fMaxSurface.get()); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 159 | SkCanvas* canvas = fMaxSurface->getCanvas(); |
| 160 | canvas->save(); |
| 161 | canvas->concat(fMatrix); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 162 | fMinSurface->draw(canvas, 0, 0, nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 163 | canvas->restore(); |
| 164 | |
| 165 | SkPaint paint; |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 166 | paint.setBlendMode(SkBlendMode::kClear); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 167 | for (int iy = 1; iy < fH; ++iy) { |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 168 | SkScalar y = SkIntToScalar(iy * fZoom); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 169 | canvas->drawLine(0, y - SK_ScalarHalf, 999, y - SK_ScalarHalf, paint); |
| 170 | } |
| 171 | for (int ix = 1; ix < fW; ++ix) { |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 172 | SkScalar x = SkIntToScalar(ix * fZoom); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 173 | canvas->drawLine(x - SK_ScalarHalf, 0, x - SK_ScalarHalf, 999, paint); |
| 174 | } |
| 175 | } |
| 176 | }; |
| 177 | |
| 178 | void FatBits::drawBG(SkCanvas* canvas) { |
| 179 | SkPaint paint; |
| 180 | |
| 181 | paint.setShader(fShader); |
| 182 | canvas->drawRect(fBounds, paint); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 183 | paint.setShader(nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | void FatBits::drawFG(SkCanvas* canvas) { |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 187 | SkPaint inner, outer; |
| 188 | |
| 189 | inner.setAntiAlias(true); |
| 190 | inner.setColor(SK_ColorBLACK); |
| 191 | inner.setStrokeWidth(PIXEL_CENTER_SIZE); |
| 192 | |
| 193 | outer.setAntiAlias(true); |
| 194 | outer.setColor(SK_ColorWHITE); |
| 195 | outer.setStrokeWidth(PIXEL_CENTER_SIZE + 2); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 196 | |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 197 | SkScalar half = SkIntToScalar(fZoom) / 2; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 198 | for (int iy = 0; iy < fH; ++iy) { |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 199 | SkScalar y = SkIntToScalar(iy * fZoom) + half; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 200 | for (int ix = 0; ix < fW; ++ix) { |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 201 | SkScalar x = SkIntToScalar(ix * fZoom) + half; |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 202 | |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 203 | canvas->drawPoint(x, y, outer); |
| 204 | canvas->drawPoint(x, y, inner); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 205 | } |
| 206 | } |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 207 | |
| 208 | if (fUseClip) { |
| 209 | SkPaint p; |
| 210 | p.setStyle(SkPaint::kStroke_Style); |
| 211 | p.setColor(SK_ColorLTGRAY); |
| 212 | SkRect r = { |
robertphillips@google.com | ca47aae | 2012-12-12 15:58:25 +0000 | [diff] [blame] | 213 | fClipRect.fLeft * fZoom, |
| 214 | fClipRect.fTop * fZoom, |
| 215 | fClipRect.fRight * fZoom, |
| 216 | fClipRect.fBottom * fZoom |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 217 | }; |
| 218 | canvas->drawRect(r, p); |
| 219 | } |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | void FatBits::drawLineSkeleton(SkCanvas* max, const SkPoint pts[]) { |
| 223 | SkPaint paint; |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 224 | this->setupSkeletonPaint(&paint); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 225 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 226 | SkPath path; |
| 227 | path.moveTo(pts[0]); |
| 228 | path.lineTo(pts[1]); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 229 | |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 230 | if (fStyle == kStroke_Style) { |
| 231 | SkPaint p; |
| 232 | p.setStyle(SkPaint::kStroke_Style); |
| 233 | p.setStrokeWidth(SK_Scalar1 * fZoom); |
| 234 | p.setStrokeCap(fStrokeCap); |
| 235 | SkPath dst; |
| 236 | p.getFillPath(path, &dst); |
| 237 | path = dst; |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 238 | |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 239 | path.moveTo(pts[0]); |
| 240 | path.lineTo(pts[1]); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 241 | } |
| 242 | max->drawPath(path, paint); |
| 243 | } |
| 244 | |
| 245 | void FatBits::drawLine(SkCanvas* canvas, SkPoint pts[]) { |
| 246 | SkPaint paint; |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 247 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 248 | fInverse.mapPoints(pts, 2); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 249 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 250 | if (fGrid) { |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 251 | apply_grid(pts, 2); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 252 | } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 253 | |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 254 | erase(fMinSurface.get()); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 255 | this->setupPaint(&paint); |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 256 | paint.setColor(FAT_PIXEL_COLOR); |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 257 | if (fUseClip) { |
| 258 | fMinSurface->getCanvas()->save(); |
| 259 | SkRect r = fClipRect; |
| 260 | r.inset(SK_Scalar1/3, SK_Scalar1/3); |
reed | 73603f3 | 2016-09-20 08:42:38 -0700 | [diff] [blame] | 261 | fMinSurface->getCanvas()->clipRect(r, SkCanvas::kIntersect_Op, true); |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 262 | } |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 263 | fMinSurface->getCanvas()->drawLine(pts[0].fX, pts[0].fY, pts[1].fX, pts[1].fY, paint); |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 264 | if (fUseClip) { |
| 265 | fMinSurface->getCanvas()->restore(); |
| 266 | } |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 267 | this->copyMinToMax(); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 268 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 269 | SkCanvas* max = fMaxSurface->getCanvas(); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 270 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 271 | fMatrix.mapPoints(pts, 2); |
| 272 | this->drawLineSkeleton(max, pts); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 273 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 274 | fMaxSurface->draw(canvas, 0, 0, nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | void FatBits::drawRect(SkCanvas* canvas, SkPoint pts[2]) { |
| 278 | SkPaint paint; |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 279 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 280 | fInverse.mapPoints(pts, 2); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 281 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 282 | if (fGrid) { |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 283 | apply_grid(pts, 2); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 284 | } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 285 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 286 | SkRect r; |
| 287 | r.set(pts, 2); |
| 288 | |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 289 | erase(fMinSurface.get()); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 290 | this->setupPaint(&paint); |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 291 | paint.setColor(FAT_PIXEL_COLOR); |
mike@reedtribe.org | 64494e9 | 2013-03-06 02:18:33 +0000 | [diff] [blame] | 292 | { |
| 293 | SkCanvas* c = fMinSurface->getCanvas(); |
| 294 | fRectAsOval ? c->drawOval(r, paint) : c->drawRect(r, paint); |
| 295 | } |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 296 | this->copyMinToMax(); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 297 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 298 | SkCanvas* max = fMaxSurface->getCanvas(); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 299 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 300 | fMatrix.mapPoints(pts, 2); |
| 301 | r.set(pts, 2); |
| 302 | this->drawRectSkeleton(max, r); |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 303 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 304 | fMaxSurface->draw(canvas, 0, 0, nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 305 | } |
| 306 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 307 | void FatBits::drawTriangleSkeleton(SkCanvas* max, const SkPoint pts[]) { |
| 308 | SkPaint paint; |
| 309 | this->setupSkeletonPaint(&paint); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 310 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 311 | SkPath path; |
| 312 | path.moveTo(pts[0]); |
| 313 | path.lineTo(pts[1]); |
| 314 | path.lineTo(pts[2]); |
| 315 | path.close(); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 316 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 317 | max->drawPath(path, paint); |
| 318 | } |
| 319 | |
| 320 | void FatBits::drawTriangle(SkCanvas* canvas, SkPoint pts[3]) { |
| 321 | SkPaint paint; |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 322 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 323 | fInverse.mapPoints(pts, 3); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 324 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 325 | if (fGrid) { |
| 326 | apply_grid(pts, 3); |
| 327 | } |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 328 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 329 | SkPath path; |
| 330 | path.moveTo(pts[0]); |
| 331 | path.lineTo(pts[1]); |
| 332 | path.lineTo(pts[2]); |
| 333 | path.close(); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 334 | |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 335 | erase(fMinSurface.get()); |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 336 | this->setupPaint(&paint); |
| 337 | paint.setColor(FAT_PIXEL_COLOR); |
| 338 | fMinSurface->getCanvas()->drawPath(path, paint); |
| 339 | this->copyMinToMax(); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 340 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 341 | SkCanvas* max = fMaxSurface->getCanvas(); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 342 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 343 | fMatrix.mapPoints(pts, 3); |
| 344 | this->drawTriangleSkeleton(max, pts); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 345 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 346 | fMaxSurface->draw(canvas, 0, 0, nullptr); |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 347 | } |
| 348 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 349 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 350 | |
| 351 | class IndexClick : public SkView::Click { |
| 352 | int fIndex; |
| 353 | public: |
| 354 | IndexClick(SkView* v, int index) : SkView::Click(v), fIndex(index) {} |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 355 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 356 | static int GetIndex(SkView::Click* click) { |
| 357 | return ((IndexClick*)click)->fIndex; |
| 358 | } |
| 359 | }; |
| 360 | |
| 361 | class DrawLineView : public SampleView { |
| 362 | FatBits fFB; |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 363 | SkPoint fPts[3]; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 364 | bool fIsRect; |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 365 | int fZoom = 64; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 366 | public: |
| 367 | DrawLineView() { |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 368 | fFB.setWHZ(24*2, 16*2, fZoom); |
reed | bb88674 | 2015-08-15 07:42:31 -0700 | [diff] [blame] | 369 | fPts[0].set(1, 1); |
| 370 | fPts[1].set(5, 4); |
| 371 | fPts[2].set(2, 6); |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 372 | SkMatrix::MakeScale(SkIntToScalar(fZoom)).mapPoints(fPts, 3); |
reed@google.com | cdbcb3e | 2012-10-22 22:10:20 +0000 | [diff] [blame] | 373 | fIsRect = false; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 374 | } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 375 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 376 | void setStyle(FatBits::Style s) { |
| 377 | fFB.setStyle(s); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 378 | this->inval(nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 382 | bool onQuery(SkEvent* evt) override { |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 383 | if (SampleCode::TitleQ(*evt)) { |
| 384 | SampleCode::TitleR(evt, "FatBits"); |
| 385 | return true; |
| 386 | } |
| 387 | SkUnichar uni; |
| 388 | if (SampleCode::CharQ(*evt, &uni)) { |
| 389 | switch (uni) { |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 390 | case 'c': |
| 391 | fFB.setUseClip(!fFB.getUseClip()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 392 | this->inval(nullptr); |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 393 | return true; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 394 | case 'r': |
| 395 | fIsRect = !fIsRect; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 396 | this->inval(nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 397 | return true; |
mike@reedtribe.org | 64494e9 | 2013-03-06 02:18:33 +0000 | [diff] [blame] | 398 | case 'o': |
| 399 | fFB.toggleRectAsOval(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 400 | this->inval(nullptr); |
mike@reedtribe.org | 64494e9 | 2013-03-06 02:18:33 +0000 | [diff] [blame] | 401 | return true; |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 402 | case 'x': |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 403 | fFB.setGrid(!fFB.getGrid()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 404 | this->inval(nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 405 | return true; |
| 406 | case 's': |
| 407 | if (FatBits::kStroke_Style == fFB.getStyle()) { |
| 408 | this->setStyle(FatBits::kHair_Style); |
| 409 | } else { |
| 410 | this->setStyle(FatBits::kStroke_Style); |
| 411 | } |
| 412 | return true; |
reed | a5d1207 | 2015-11-16 18:57:18 -0800 | [diff] [blame] | 413 | case 'k': { |
| 414 | const SkPaint::Cap caps[] = { |
| 415 | SkPaint::kButt_Cap, SkPaint::kRound_Cap, SkPaint::kSquare_Cap, |
| 416 | }; |
| 417 | fFB.fStrokeCap = caps[(fFB.fStrokeCap + 1) % 3]; |
| 418 | this->inval(nullptr); |
| 419 | return true; |
| 420 | } break; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 421 | case 'a': |
| 422 | fFB.setAA(!fFB.getAA()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 423 | this->inval(nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 424 | return true; |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 425 | case 'w': |
| 426 | fFB.setShowSkeleton(!fFB.getShowSkeleton()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 427 | this->inval(nullptr); |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 428 | return true; |
| 429 | case 'g': |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 430 | fFB.togglePixelColors(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 431 | this->inval(nullptr); |
reed@google.com | c83e352 | 2012-10-22 22:00:08 +0000 | [diff] [blame] | 432 | return true; |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 433 | case 't': |
| 434 | fFB.setTriangle(!fFB.getTriangle()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 435 | this->inval(nullptr); |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 436 | return true; |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 437 | } |
| 438 | } |
| 439 | return this->INHERITED::onQuery(evt); |
| 440 | } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 441 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 442 | void onDrawContent(SkCanvas* canvas) override { |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 443 | fFB.drawBG(canvas); |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 444 | if (fFB.getTriangle()) { |
| 445 | fFB.drawTriangle(canvas, fPts); |
| 446 | } |
| 447 | else if (fIsRect) { |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 448 | fFB.drawRect(canvas, fPts); |
| 449 | } else { |
| 450 | fFB.drawLine(canvas, fPts); |
| 451 | } |
| 452 | fFB.drawFG(canvas); |
skia.committer@gmail.com | 1e34ff7 | 2012-10-24 02:01:24 +0000 | [diff] [blame] | 453 | |
reed@google.com | ffe9d01 | 2012-10-23 15:33:41 +0000 | [diff] [blame] | 454 | { |
| 455 | SkString str; |
reed | 8716a8a | 2016-09-19 07:10:36 -0700 | [diff] [blame] | 456 | str.printf("%s %s %s", |
reed@google.com | ffe9d01 | 2012-10-23 15:33:41 +0000 | [diff] [blame] | 457 | fFB.getAA() ? "AA" : "BW", |
| 458 | FatBits::kHair_Style == fFB.getStyle() ? "Hair" : "Stroke", |
reed@google.com | 9c0bef1 | 2012-11-02 19:59:18 +0000 | [diff] [blame] | 459 | fFB.getUseClip() ? "clip" : "noclip"); |
reed@google.com | ffe9d01 | 2012-10-23 15:33:41 +0000 | [diff] [blame] | 460 | SkPaint paint; |
| 461 | paint.setAntiAlias(true); |
| 462 | paint.setTextSize(16); |
| 463 | paint.setColor(SK_ColorBLUE); |
| 464 | canvas->drawText(str.c_str(), str.size(), 10, 16, paint); |
| 465 | } |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 466 | } |
| 467 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 468 | SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) override { |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 469 | SkPoint pt = { x, y }; |
| 470 | int index = -1; |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 471 | int count = fFB.getTriangle() ? 3 : 2; |
reed@google.com | cdbcb3e | 2012-10-22 22:10:20 +0000 | [diff] [blame] | 472 | SkScalar tol = 12; |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 473 | |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 474 | for (int i = 0; i < count; ++i) { |
| 475 | if (fPts[i].equalsWithinTolerance(pt, tol)) { |
| 476 | index = i; |
| 477 | break; |
| 478 | } |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 479 | } |
mike@reedtribe.org | c892a15 | 2012-10-23 03:10:46 +0000 | [diff] [blame] | 480 | return new IndexClick(this, index); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 481 | } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 482 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 483 | bool onClick(Click* click) override { |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 484 | int index = IndexClick::GetIndex(click); |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 485 | if (index >= 0 && index <= 2) { |
mike@reedtribe.org | c892a15 | 2012-10-23 03:10:46 +0000 | [diff] [blame] | 486 | fPts[index] = click->fCurr; |
| 487 | } else { |
| 488 | SkScalar dx = click->fCurr.fX - click->fPrev.fX; |
| 489 | SkScalar dy = click->fCurr.fY - click->fPrev.fY; |
| 490 | fPts[0].offset(dx, dy); |
| 491 | fPts[1].offset(dx, dy); |
reed@google.com | bbe66f0 | 2013-10-30 13:41:19 +0000 | [diff] [blame] | 492 | fPts[2].offset(dx, dy); |
mike@reedtribe.org | c892a15 | 2012-10-23 03:10:46 +0000 | [diff] [blame] | 493 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 494 | this->inval(nullptr); |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 495 | return true; |
| 496 | } |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 497 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 498 | private: |
skia.committer@gmail.com | 45ba2f7 | 2012-10-23 02:01:22 +0000 | [diff] [blame] | 499 | |
mike@reedtribe.org | 50e4c72 | 2012-10-22 03:59:34 +0000 | [diff] [blame] | 500 | typedef SampleView INHERITED; |
| 501 | }; |
| 502 | |
| 503 | ////////////////////////////////////////////////////////////////////////////// |
| 504 | |
| 505 | static SkView* MyFactory() { return new DrawLineView; } |
| 506 | static SkViewRegister reg(MyFactory); |