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Side by Side Diff: gm/typeface.cpp

Issue 2142033002: Factor code to rotate a canvas about a point. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Move to canvas. Created 4 years, 5 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "gm.h" 8 #include "gm.h"
9 #include "Resources.h" 9 #include "Resources.h"
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
(...skipping 136 matching lines...) Expand 10 before | Expand all | Expand 10 after
147 drawKernText(canvas, text, textLen, x + 240, y, paint); 147 drawKernText(canvas, text, textLen, x + 240, y, paint);
148 } 148 }
149 y += dy; 149 y += dy;
150 } 150 }
151 } 151 }
152 152
153 private: 153 private:
154 typedef skiagm::GM INHERITED; 154 typedef skiagm::GM INHERITED;
155 }; 155 };
156 156
157 static void rotate_about(SkCanvas* canvas,
158 SkScalar degrees,
159 SkScalar px, SkScalar py) {
160 canvas->translate(px, py);
161 canvas->rotate(degrees);
162 canvas->translate(-px, -py);
163 }
164
165 class TypefaceRenderingGM : public skiagm::GM { 157 class TypefaceRenderingGM : public skiagm::GM {
166 sk_sp<SkTypeface> fFace; 158 sk_sp<SkTypeface> fFace;
167 159
168 public:
169 TypefaceRenderingGM() { }
170
171 protected: 160 protected:
172 void onOnceBeforeDraw() override { 161 void onOnceBeforeDraw() override {
173 fFace = MakeResourceAsTypeface("/fonts/hintgasp.ttf"); 162 fFace = MakeResourceAsTypeface("/fonts/hintgasp.ttf");
174 } 163 }
175 164
176 SkString onShortName() override { 165 SkString onShortName() override {
177 SkString name("typefacerendering"); 166 SkString name("typefacerendering");
178 name.append(sk_tool_utils::major_platform_os_name()); 167 name.append(sk_tool_utils::major_platform_os_name());
179 return name; 168 return name;
180 } 169 }
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
249 paint.setTextSize(textSize); 238 paint.setTextSize(textSize);
250 239
251 SkScalar dy = SkScalarCeilToScalar(paint.getFontMetrics(null ptr)); 240 SkScalar dy = SkScalarCeilToScalar(paint.getFontMetrics(null ptr));
252 y += dy; 241 y += dy;
253 for (const SkPaint::Hinting& hinting : hintingTypes) { 242 for (const SkPaint::Hinting& hinting : hintingTypes) {
254 paint.setHinting(hinting); 243 paint.setHinting(hinting);
255 244
256 for (const bool& rotateABit : rotateABitTypes) { 245 for (const bool& rotateABit : rotateABitTypes) {
257 SkAutoCanvasRestore acr(canvas, true); 246 SkAutoCanvasRestore acr(canvas, true);
258 if (rotateABit) { 247 if (rotateABit) {
259 rotate_about(canvas, 2, x + subpixel.offset.x(), 248 canvas->rotate(2, x + subpixel.offset.x(),
260 y + subpixel.offset.y()) ; 249 y + subpixel.offset.y());
261 } 250 }
262 canvas->drawText("A", 1, x + subpixel.offset.x(), 251 canvas->drawText("A", 1, x + subpixel.offset.x(),
263 y + subpixel.offset.y(), pa int); 252 y + subpixel.offset.y(), pa int);
264 253
265 SkScalar dx = SkScalarCeilToScalar(paint.measureText ("A", 1)) + 5; 254 SkScalar dx = SkScalarCeilToScalar(paint.measureText ("A", 1)) + 5;
266 x += dx; 255 x += dx;
267 xMax = SkTMax(x, xMax); 256 xMax = SkTMax(x, xMax);
268 } 257 }
269 } 258 }
270 } 259 }
271 y += 10; 260 y += 10;
272 } 261 }
273 xBase = xMax; 262 xBase = xMax;
274 } 263 }
275 } 264 }
276 265
277 private: 266 private:
278 typedef skiagm::GM INHERITED; 267 typedef skiagm::GM INHERITED;
279 }; 268 };
280 269
281 /////////////////////////////////////////////////////////////////////////////// 270 ///////////////////////////////////////////////////////////////////////////////
282 271
283 DEF_GM( return new TypefaceStylesGM(false); ) 272 DEF_GM( return new TypefaceStylesGM(false); )
284 DEF_GM( return new TypefaceStylesGM(true); ) 273 DEF_GM( return new TypefaceStylesGM(true); )
285 DEF_GM( return new TypefaceRenderingGM(); ) 274 DEF_GM( return new TypefaceRenderingGM(); )
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