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 */
7
8 #include "SkData.h"
9 #include "SkDumpCanvas.h"
10 #include "SkImage.h"
11 #include "SkPatchUtils.h"
12 #include "SkPicture.h"
13 #include "SkPixelRef.h"
14 #include "SkRegion.h"
15 #include "SkRRect.h"
16 #include "SkString.h"
17 #include "SkTextBlob.h"
18 #include <stdarg.h>
19 #include <stdio.h>
20
21 // needed just to know that these are all subclassed from SkFlattenable
22 #include "SkShader.h"
23 #include "SkPathEffect.h"
24 #include "SkColorFilter.h"
25 #include "SkPathEffect.h"
26 #include "SkMaskFilter.h"
27
toString(const SkRect & r,SkString * str)28 static void toString(const SkRect& r, SkString* str) {
29 str->appendf("[%g,%g %g:%g]",
30 SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
31 SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
32 }
33
toString(const SkIRect & r,SkString * str)34 static void toString(const SkIRect& r, SkString* str) {
35 str->appendf("[%d,%d %d:%d]", r.fLeft, r.fTop, r.width(), r.height());
36 }
37
toString(const SkRRect & rrect,SkString * str)38 static void toString(const SkRRect& rrect, SkString* str) {
39 SkRect r = rrect.getBounds();
40 str->appendf("[%g,%g %g:%g]",
41 SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
42 SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
43 if (rrect.isOval()) {
44 str->append("()");
45 } else if (rrect.isSimple()) {
46 const SkVector& rad = rrect.getSimpleRadii();
47 str->appendf("(%g,%g)", rad.x(), rad.y());
48 } else if (rrect.isComplex()) {
49 SkVector radii[4] = {
50 rrect.radii(SkRRect::kUpperLeft_Corner),
51 rrect.radii(SkRRect::kUpperRight_Corner),
52 rrect.radii(SkRRect::kLowerRight_Corner),
53 rrect.radii(SkRRect::kLowerLeft_Corner),
54 };
55 str->appendf("(%g,%g %g,%g %g,%g %g,%g)",
56 radii[0].x(), radii[0].y(),
57 radii[1].x(), radii[1].y(),
58 radii[2].x(), radii[2].y(),
59 radii[3].x(), radii[3].y());
60 }
61 }
62
dumpVerbs(const SkPath & path,SkString * str)63 static void dumpVerbs(const SkPath& path, SkString* str) {
64 SkPath::Iter iter(path, false);
65 SkPoint pts[4];
66 for (;;) {
67 switch (iter.next(pts, false)) {
68 case SkPath::kMove_Verb:
69 str->appendf(" M%g,%g", pts[0].fX, pts[0].fY);
70 break;
71 case SkPath::kLine_Verb:
72 str->appendf(" L%g,%g", pts[0].fX, pts[0].fY);
73 break;
74 case SkPath::kQuad_Verb:
75 str->appendf(" Q%g,%g,%g,%g", pts[1].fX, pts[1].fY,
76 pts[2].fX, pts[2].fY);
77 break;
78 case SkPath::kCubic_Verb:
79 str->appendf(" C%g,%g,%g,%g,%g,%g", pts[1].fX, pts[1].fY,
80 pts[2].fX, pts[2].fY, pts[3].fX, pts[3].fY);
81 break;
82 case SkPath::kClose_Verb:
83 str->append("X");
84 break;
85 case SkPath::kDone_Verb:
86 return;
87 case SkPath::kConic_Verb:
88 SkASSERT(0);
89 break;
90 }
91 }
92 }
93
toString(const SkPath & path,SkString * str)94 static void toString(const SkPath& path, SkString* str) {
95 if (path.isEmpty()) {
96 str->append("path:empty");
97 } else {
98 toString(path.getBounds(), str);
99 #if 1
100 SkString s;
101 dumpVerbs(path, &s);
102 str->append(s.c_str());
103 #endif
104 str->append("]");
105 str->prepend("path:[");
106 }
107 }
108
toString(SkClipOp op)109 static const char* toString(SkClipOp op) {
110 static const char* gOpNames[] = {
111 "DIFF", "SECT", "UNION", "XOR", "RDIFF", "REPLACE"
112 };
113 return gOpNames[static_cast<int>(op)];
114 }
115
toString(const SkRegion & rgn,SkString * str)116 static void toString(const SkRegion& rgn, SkString* str) {
117 str->append("Region:[");
118 toString(rgn.getBounds(), str);
119 str->append("]");
120 if (rgn.isComplex()) {
121 str->append(".complex");
122 }
123 }
124
toString(SkVertices::VertexMode vm)125 static const char* toString(SkVertices::VertexMode vm) {
126 static const char* gVMNames[] = {
127 "TRIANGLES", "STRIP", "FAN"
128 };
129 return gVMNames[vm];
130 }
131
toString(SkCanvas::PointMode pm)132 static const char* toString(SkCanvas::PointMode pm) {
133 static const char* gPMNames[] = {
134 "POINTS", "LINES", "POLYGON"
135 };
136 return gPMNames[pm];
137 }
138
toString(const void * text,size_t byteLen,SkPaint::TextEncoding enc,SkString * str)139 static void toString(const void* text, size_t byteLen, SkPaint::TextEncoding enc,
140 SkString* str) {
141 // FIXME: this code appears to be untested - and probably unused - and probably wrong
142 switch (enc) {
143 case SkPaint::kUTF8_TextEncoding:
144 str->appendf("\"%.*s\"%s", (int)SkTMax<size_t>(byteLen, 32), (const char*) text,
145 byteLen > 32 ? "..." : "");
146 break;
147 case SkPaint::kUTF16_TextEncoding:
148 str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
149 byteLen > 64 ? "..." : "");
150 break;
151 case SkPaint::kUTF32_TextEncoding:
152 str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
153 byteLen > 128 ? "..." : "");
154 break;
155 case SkPaint::kGlyphID_TextEncoding:
156 str->append("<glyphs>");
157 break;
158
159 default:
160 SkASSERT(false);
161 break;
162 }
163 }
164
165 ///////////////////////////////////////////////////////////////////////////////
166
167 #define WIDE_OPEN 16384
168
SkDumpCanvas(Dumper * dumper)169 SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(WIDE_OPEN, WIDE_OPEN) {
170 fNestLevel = 0;
171 SkSafeRef(dumper);
172 fDumper = dumper;
173 }
174
~SkDumpCanvas()175 SkDumpCanvas::~SkDumpCanvas() {
176 SkSafeUnref(fDumper);
177 }
178
dump(Verb verb,const SkPaint * paint,const char format[],...)179 void SkDumpCanvas::dump(Verb verb, const SkPaint* paint,
180 const char format[], ...) {
181 static const size_t BUFFER_SIZE = 1024;
182
183 char buffer[BUFFER_SIZE];
184 va_list args;
185 va_start(args, format);
186 vsnprintf(buffer, BUFFER_SIZE, format, args);
187 va_end(args);
188
189 if (fDumper) {
190 fDumper->dump(this, verb, buffer, paint);
191 }
192 }
193
194 ///////////////////////////////////////////////////////////////////////////////
195
willSave()196 void SkDumpCanvas::willSave() {
197 this->dump(kSave_Verb, nullptr, "save()");
198 this->INHERITED::willSave();
199 }
200
getSaveLayerStrategy(const SaveLayerRec & rec)201 SkCanvas::SaveLayerStrategy SkDumpCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) {
202 SkString str;
203 str.printf("saveLayer(0x%X)", rec.fSaveLayerFlags);
204 if (rec.fBounds) {
205 str.append(" bounds");
206 toString(*rec.fBounds, &str);
207 }
208 const SkPaint* paint = rec.fPaint;
209 if (paint) {
210 if (paint->getAlpha() != 0xFF) {
211 str.appendf(" alpha:0x%02X", paint->getAlpha());
212 }
213 if (!paint->isSrcOver()) {
214 str.appendf(" blendmode:%d", (int)paint->getBlendMode());
215 }
216 }
217 this->dump(kSave_Verb, paint, str.c_str());
218 return this->INHERITED::getSaveLayerStrategy(rec);
219 }
220
willRestore()221 void SkDumpCanvas::willRestore() {
222 this->dump(kRestore_Verb, nullptr, "restore");
223 this->INHERITED::willRestore();
224 }
225
didConcat(const SkMatrix & matrix)226 void SkDumpCanvas::didConcat(const SkMatrix& matrix) {
227 SkString str;
228
229 switch (matrix.getType()) {
230 case SkMatrix::kTranslate_Mask:
231 this->dump(kMatrix_Verb, nullptr, "translate(%g %g)",
232 SkScalarToFloat(matrix.getTranslateX()),
233 SkScalarToFloat(matrix.getTranslateY()));
234 break;
235 case SkMatrix::kScale_Mask:
236 this->dump(kMatrix_Verb, nullptr, "scale(%g %g)",
237 SkScalarToFloat(matrix.getScaleX()),
238 SkScalarToFloat(matrix.getScaleY()));
239 break;
240 default:
241 matrix.toString(&str);
242 this->dump(kMatrix_Verb, nullptr, "concat(%s)", str.c_str());
243 break;
244 }
245
246 this->INHERITED::didConcat(matrix);
247 }
248
didSetMatrix(const SkMatrix & matrix)249 void SkDumpCanvas::didSetMatrix(const SkMatrix& matrix) {
250 SkString str;
251 matrix.toString(&str);
252 this->dump(kMatrix_Verb, nullptr, "setMatrix(%s)", str.c_str());
253 this->INHERITED::didSetMatrix(matrix);
254 }
255
256 ///////////////////////////////////////////////////////////////////////////////
257
EdgeStyleToAAString(ClipEdgeStyle edgeStyle)258 const char* SkDumpCanvas::EdgeStyleToAAString(ClipEdgeStyle edgeStyle) {
259 return kSoft_ClipEdgeStyle == edgeStyle ? "AA" : "BW";
260 }
261
onClipRect(const SkRect & rect,SkClipOp op,ClipEdgeStyle edgeStyle)262 void SkDumpCanvas::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle edgeStyle) {
263 SkString str;
264 toString(rect, &str);
265 this->dump(kClip_Verb, nullptr, "clipRect(%s %s %s)", str.c_str(), toString(op),
266 EdgeStyleToAAString(edgeStyle));
267 this->INHERITED::onClipRect(rect, op, edgeStyle);
268 }
269
onClipRRect(const SkRRect & rrect,SkClipOp op,ClipEdgeStyle edgeStyle)270 void SkDumpCanvas::onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle) {
271 SkString str;
272 toString(rrect, &str);
273 this->dump(kClip_Verb, nullptr, "clipRRect(%s %s %s)", str.c_str(), toString(op),
274 EdgeStyleToAAString(edgeStyle));
275 this->INHERITED::onClipRRect(rrect, op, edgeStyle);
276 }
277
onClipPath(const SkPath & path,SkClipOp op,ClipEdgeStyle edgeStyle)278 void SkDumpCanvas::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) {
279 SkString str;
280 toString(path, &str);
281 this->dump(kClip_Verb, nullptr, "clipPath(%s %s %s)", str.c_str(), toString(op),
282 EdgeStyleToAAString(edgeStyle));
283 this->INHERITED::onClipPath(path, op, edgeStyle);
284 }
285
onClipRegion(const SkRegion & deviceRgn,SkClipOp op)286 void SkDumpCanvas::onClipRegion(const SkRegion& deviceRgn, SkClipOp op) {
287 SkString str;
288 toString(deviceRgn, &str);
289 this->dump(kClip_Verb, nullptr, "clipRegion(%s %s)", str.c_str(), toString(op));
290 this->INHERITED::onClipRegion(deviceRgn, op);
291 }
292
293 ///////////////////////////////////////////////////////////////////////////////
294
onDrawPaint(const SkPaint & paint)295 void SkDumpCanvas::onDrawPaint(const SkPaint& paint) {
296 this->dump(kDrawPaint_Verb, &paint, "drawPaint()");
297 }
298
onDrawPoints(PointMode mode,size_t count,const SkPoint pts[],const SkPaint & paint)299 void SkDumpCanvas::onDrawPoints(PointMode mode, size_t count,
300 const SkPoint pts[], const SkPaint& paint) {
301 this->dump(kDrawPoints_Verb, &paint, "drawPoints(%s, %d)", toString(mode),
302 count);
303 }
304
onDrawOval(const SkRect & rect,const SkPaint & paint)305 void SkDumpCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
306 SkString str;
307 toString(rect, &str);
308 this->dump(kDrawOval_Verb, &paint, "drawOval(%s)", str.c_str());
309 }
310
onDrawArc(const SkRect & rect,SkScalar startAngle,SkScalar sweepAngle,bool useCenter,const SkPaint & paint)311 void SkDumpCanvas::onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle,
312 bool useCenter, const SkPaint& paint) {
313 SkString str;
314 toString(rect, &str);
315 this->dump(kDrawArc_Verb, &paint, "drawArc(%s, %g, %g, %d)", str.c_str(), startAngle,
316 sweepAngle, useCenter);
317 }
318
onDrawRect(const SkRect & rect,const SkPaint & paint)319 void SkDumpCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
320 SkString str;
321 toString(rect, &str);
322 this->dump(kDrawRect_Verb, &paint, "drawRect(%s)", str.c_str());
323 }
324
onDrawRRect(const SkRRect & rrect,const SkPaint & paint)325 void SkDumpCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
326 SkString str;
327 toString(rrect, &str);
328 this->dump(kDrawDRRect_Verb, &paint, "drawRRect(%s)", str.c_str());
329 }
330
onDrawDRRect(const SkRRect & outer,const SkRRect & inner,const SkPaint & paint)331 void SkDumpCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
332 const SkPaint& paint) {
333 SkString str0, str1;
334 toString(outer, &str0);
335 toString(inner, &str0);
336 this->dump(kDrawRRect_Verb, &paint, "drawDRRect(%s,%s)",
337 str0.c_str(), str1.c_str());
338 }
339
onDrawPath(const SkPath & path,const SkPaint & paint)340 void SkDumpCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
341 SkString str;
342 toString(path, &str);
343 this->dump(kDrawPath_Verb, &paint, "drawPath(%s)", str.c_str());
344 }
345
onDrawBitmap(const SkBitmap & bitmap,SkScalar x,SkScalar y,const SkPaint * paint)346 void SkDumpCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
347 const SkPaint* paint) {
348 SkString str;
349 bitmap.toString(&str);
350 this->dump(kDrawBitmap_Verb, paint, "drawBitmap(%s %g %g)", str.c_str(),
351 SkScalarToFloat(x), SkScalarToFloat(y));
352 }
353
onDrawBitmapRect(const SkBitmap & bitmap,const SkRect * src,const SkRect & dst,const SkPaint * paint,SrcRectConstraint)354 void SkDumpCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
355 const SkPaint* paint, SrcRectConstraint) {
356 SkString bs, rs;
357 bitmap.toString(&bs);
358 toString(dst, &rs);
359 // show the src-rect only if its not everything
360 if (src && (src->fLeft > 0 || src->fTop > 0 ||
361 src->fRight < SkIntToScalar(bitmap.width()) ||
362 src->fBottom < SkIntToScalar(bitmap.height()))) {
363 SkString ss;
364 toString(*src, &ss);
365 rs.prependf("%s ", ss.c_str());
366 }
367
368 this->dump(kDrawBitmap_Verb, paint, "drawBitmapRect(%s %s)", bs.c_str(), rs.c_str());
369 }
370
onDrawBitmapNine(const SkBitmap & bitmap,const SkIRect & center,const SkRect & dst,const SkPaint * paint)371 void SkDumpCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
372 const SkRect& dst, const SkPaint* paint) {
373 SkString str, centerStr, dstStr;
374 bitmap.toString(&str);
375 toString(center, ¢erStr);
376 toString(dst, &dstStr);
377 this->dump(kDrawBitmap_Verb, paint, "drawBitmapNine(%s %s %s)", str.c_str(),
378 centerStr.c_str(), dstStr.c_str());
379 }
380
onDrawImage(const SkImage * image,SkScalar x,SkScalar y,const SkPaint * paint)381 void SkDumpCanvas::onDrawImage(const SkImage* image, SkScalar x, SkScalar y, const SkPaint* paint) {
382 SkString str;
383 image->toString(&str);
384 this->dump(kDrawBitmap_Verb, paint, "drawImage(%s %g %g)", str.c_str(),
385 SkScalarToFloat(x), SkScalarToFloat(y));
386 }
387
onDrawImageRect(const SkImage * image,const SkRect * src,const SkRect & dst,const SkPaint * paint,SrcRectConstraint)388 void SkDumpCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
389 const SkPaint* paint, SrcRectConstraint) {
390 SkString bs, rs;
391 image->toString(&bs);
392 toString(dst, &rs);
393 // show the src-rect only if its not everything
394 if (src && (src->fLeft > 0 || src->fTop > 0 ||
395 src->fRight < SkIntToScalar(image->width()) ||
396 src->fBottom < SkIntToScalar(image->height()))) {
397 SkString ss;
398 toString(*src, &ss);
399 rs.prependf("%s ", ss.c_str());
400 }
401
402 this->dump(kDrawBitmap_Verb, paint, "drawImageRectToRect(%s %s)",
403 bs.c_str(), rs.c_str());
404 }
405
onDrawText(const void * text,size_t byteLength,SkScalar x,SkScalar y,const SkPaint & paint)406 void SkDumpCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
407 const SkPaint& paint) {
408 SkString str;
409 toString(text, byteLength, paint.getTextEncoding(), &str);
410 this->dump(kDrawText_Verb, &paint, "drawText(%s [%d] %g %g)", str.c_str(),
411 byteLength, SkScalarToFloat(x), SkScalarToFloat(y));
412 }
413
onDrawPosText(const void * text,size_t byteLength,const SkPoint pos[],const SkPaint & paint)414 void SkDumpCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
415 const SkPaint& paint) {
416 SkString str;
417 toString(text, byteLength, paint.getTextEncoding(), &str);
418 this->dump(kDrawText_Verb, &paint, "drawPosText(%s [%d] %g %g ...)",
419 str.c_str(), byteLength, SkScalarToFloat(pos[0].fX),
420 SkScalarToFloat(pos[0].fY));
421 }
422
onDrawPosTextH(const void * text,size_t byteLength,const SkScalar xpos[],SkScalar constY,const SkPaint & paint)423 void SkDumpCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
424 SkScalar constY, const SkPaint& paint) {
425 SkString str;
426 toString(text, byteLength, paint.getTextEncoding(), &str);
427 this->dump(kDrawText_Verb, &paint, "drawPosTextH(%s [%d] %g %g ...)",
428 str.c_str(), byteLength, SkScalarToFloat(xpos[0]),
429 SkScalarToFloat(constY));
430 }
431
onDrawTextOnPath(const void * text,size_t byteLength,const SkPath & path,const SkMatrix * matrix,const SkPaint & paint)432 void SkDumpCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
433 const SkMatrix* matrix, const SkPaint& paint) {
434 SkString str;
435 toString(text, byteLength, paint.getTextEncoding(), &str);
436 this->dump(kDrawText_Verb, &paint, "drawTextOnPath(%s [%d])",
437 str.c_str(), byteLength);
438 }
439
onDrawTextRSXform(const void * text,size_t byteLength,const SkRSXform xform[],const SkRect * cull,const SkPaint & paint)440 void SkDumpCanvas::onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform xform[],
441 const SkRect* cull, const SkPaint& paint) {
442 SkString str;
443 toString(text, byteLength, paint.getTextEncoding(), &str);
444 this->dump(kDrawText_Verb, &paint, "drawTextRSXform(%s [%d])",
445 str.c_str(), byteLength);
446 }
447
onDrawTextBlob(const SkTextBlob * blob,SkScalar x,SkScalar y,const SkPaint & paint)448 void SkDumpCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
449 const SkPaint& paint) {
450 SkString str;
451 toString(blob->bounds(), &str);
452 this->dump(kDrawText_Verb, &paint, "drawTextBlob(%p) [%s]", blob, str.c_str());
453 // FIXME: dump the actual blob content?
454 }
455
onDrawPicture(const SkPicture * picture,const SkMatrix * matrix,const SkPaint * paint)456 void SkDumpCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
457 const SkPaint* paint) {
458 this->dump(kDrawPicture_Verb, nullptr, "drawPicture(%p) %f:%f:%f:%f", picture,
459 picture->cullRect().fLeft, picture->cullRect().fTop,
460 picture->cullRect().fRight, picture->cullRect().fBottom);
461 fNestLevel += 1;
462 this->INHERITED::onDrawPicture(picture, matrix, paint);
463 fNestLevel -= 1;
464 this->dump(kDrawPicture_Verb, nullptr, "endPicture(%p) %f:%f:%f:%f", &picture,
465 picture->cullRect().fLeft, picture->cullRect().fTop,
466 picture->cullRect().fRight, picture->cullRect().fBottom);
467 }
468
onDrawVerticesObject(const SkVertices * vertices,SkBlendMode,const SkPaint & paint)469 void SkDumpCanvas::onDrawVerticesObject(const SkVertices* vertices, SkBlendMode,
470 const SkPaint& paint) {
471 this->dump(kDrawVertices_Verb, &paint, "drawVertices(%s [%d] ...)",
472 toString(vertices->mode()), vertices->vertexCount());
473 }
474
onDrawPatch(const SkPoint cubics[12],const SkColor colors[4],const SkPoint texCoords[4],SkBlendMode,const SkPaint & paint)475 void SkDumpCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
476 const SkPoint texCoords[4], SkBlendMode,
477 const SkPaint& paint) {
478 //dumps corner points and colors in clockwise order starting on upper-left corner
479 this->dump(kDrawPatch_Verb, &paint, "drawPatch(Vertices{[%f, %f], [%f, %f], [%f, %f], [%f, %f]}\
480 | Colors{[0x%x], [0x%x], [0x%x], [0x%x]} | TexCoords{[%f,%f], [%f,%f], [%f,%f], \
481 [%f,%f]})",
482 cubics[0].fX, cubics[0].fY,
483 cubics[3].fX, cubics[3].fY,
484 cubics[6].fX, cubics[6].fY,
485 cubics[9].fX, cubics[9].fY,
486 colors[0], colors[1], colors[2], colors[3],
487 texCoords[0].x(), texCoords[0].y(), texCoords[1].x(), texCoords[1].y(),
488 texCoords[2].x(), texCoords[2].y(), texCoords[3].x(), texCoords[3].y());
489 }
490
onDrawAnnotation(const SkRect & rect,const char key[],SkData * value)491 void SkDumpCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
492 SkString str;
493 toString(rect, &str);
494 this->dump(kDrawAnnotation_Verb, nullptr, "drawAnnotation(%s \"%s\" (%zu))",
495 str.c_str(), key, value ? value->size() : 0);
496 }
497
498 ///////////////////////////////////////////////////////////////////////////////
499 ///////////////////////////////////////////////////////////////////////////////
500
SkFormatDumper(void (* proc)(const char *,void *),void * refcon)501 SkFormatDumper::SkFormatDumper(void (*proc)(const char*, void*), void* refcon) {
502 fProc = proc;
503 fRefcon = refcon;
504 }
505
appendPtr(SkString * str,const void * ptr,const char name[])506 static void appendPtr(SkString* str, const void* ptr, const char name[]) {
507 if (ptr) {
508 str->appendf(" %s:%p", name, ptr);
509 }
510 }
511
appendFlattenable(SkString * str,const SkFlattenable * ptr,const char name[])512 static void appendFlattenable(SkString* str, const SkFlattenable* ptr,
513 const char name[]) {
514 if (ptr) {
515 str->appendf(" %s:%p", name, ptr);
516 }
517 }
518
dump(SkDumpCanvas * canvas,SkDumpCanvas::Verb verb,const char str[],const SkPaint * p)519 void SkFormatDumper::dump(SkDumpCanvas* canvas, SkDumpCanvas::Verb verb,
520 const char str[], const SkPaint* p) {
521 SkString msg, tab;
522 const int level = canvas->getNestLevel() + canvas->getSaveCount() - 1;
523 SkASSERT(level >= 0);
524 for (int i = 0; i < level; i++) {
525 #if 0
526 tab.append("\t");
527 #else
528 tab.append(" "); // tabs are often too wide to be useful
529 #endif
530 }
531 msg.printf("%s%s", tab.c_str(), str);
532
533 if (p) {
534 msg.appendf(" color:0x%08X flags:%X", p->getColor(), p->getFlags());
535 if (!p->isSrcOver()) {
536 msg.appendf(" blendmode:%d", (int)p->getBlendMode());
537 }
538 appendFlattenable(&msg, p->getShader(), "shader");
539 appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
540 appendFlattenable(&msg, p->getMaskFilter(), "maskFilter");
541 appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
542 appendFlattenable(&msg, p->getColorFilter(), "filter");
543
544 if (SkDumpCanvas::kDrawText_Verb == verb) {
545 msg.appendf(" textSize:%g", SkScalarToFloat(p->getTextSize()));
546 appendPtr(&msg, p->getTypeface(), "typeface");
547 }
548
549 if (p->getStyle() != SkPaint::kFill_Style) {
550 msg.appendf(" strokeWidth:%g", SkScalarToFloat(p->getStrokeWidth()));
551 }
552 }
553
554 fProc(msg.c_str(), fRefcon);
555 }
556
557 ///////////////////////////////////////////////////////////////////////////////
558
dumpToDebugf(const char text[],void *)559 static void dumpToDebugf(const char text[], void*) {
560 SkDebugf("%s\n", text);
561 }
562
SkDebugfDumper()563 SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, nullptr) {}
564