1
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9 #include "SkDumpCanvas.h"
10
11 #ifdef SK_DEVELOPER
12 #include "SkPatchUtils.h"
13 #include "SkPicture.h"
14 #include "SkPixelRef.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 "SkXfermode.h"
25 #include "SkColorFilter.h"
26 #include "SkPathEffect.h"
27 #include "SkMaskFilter.h"
28
toString(const SkRect & r,SkString * str)29 static void toString(const SkRect& r, SkString* str) {
30 str->appendf("[%g,%g %g:%g]",
31 SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
32 SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
33 }
34
toString(const SkIRect & r,SkString * str)35 static void toString(const SkIRect& r, SkString* str) {
36 str->appendf("[%d,%d %d:%d]", r.fLeft, r.fTop, r.width(), r.height());
37 }
38
toString(const SkRRect & rrect,SkString * str)39 static void toString(const SkRRect& rrect, SkString* str) {
40 SkRect r = rrect.getBounds();
41 str->appendf("[%g,%g %g:%g]",
42 SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
43 SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
44 if (rrect.isOval()) {
45 str->append("()");
46 } else if (rrect.isSimple()) {
47 const SkVector& rad = rrect.getSimpleRadii();
48 str->appendf("(%g,%g)", rad.x(), rad.y());
49 } else if (rrect.isComplex()) {
50 SkVector radii[4] = {
51 rrect.radii(SkRRect::kUpperLeft_Corner),
52 rrect.radii(SkRRect::kUpperRight_Corner),
53 rrect.radii(SkRRect::kLowerRight_Corner),
54 rrect.radii(SkRRect::kLowerLeft_Corner),
55 };
56 str->appendf("(%g,%g %g,%g %g,%g %g,%g)",
57 radii[0].x(), radii[0].y(),
58 radii[1].x(), radii[1].y(),
59 radii[2].x(), radii[2].y(),
60 radii[3].x(), radii[3].y());
61 }
62 }
63
dumpVerbs(const SkPath & path,SkString * str)64 static void dumpVerbs(const SkPath& path, SkString* str) {
65 SkPath::Iter iter(path, false);
66 SkPoint pts[4];
67 for (;;) {
68 switch (iter.next(pts, false)) {
69 case SkPath::kMove_Verb:
70 str->appendf(" M%g,%g", pts[0].fX, pts[0].fY);
71 break;
72 case SkPath::kLine_Verb:
73 str->appendf(" L%g,%g", pts[0].fX, pts[0].fY);
74 break;
75 case SkPath::kQuad_Verb:
76 str->appendf(" Q%g,%g,%g,%g", pts[1].fX, pts[1].fY,
77 pts[2].fX, pts[2].fY);
78 break;
79 case SkPath::kCubic_Verb:
80 str->appendf(" C%g,%g,%g,%g,%g,%g", pts[1].fX, pts[1].fY,
81 pts[2].fX, pts[2].fY, pts[3].fX, pts[3].fY);
82 break;
83 case SkPath::kClose_Verb:
84 str->append("X");
85 break;
86 case SkPath::kDone_Verb:
87 return;
88 case SkPath::kConic_Verb:
89 SkASSERT(0);
90 break;
91 }
92 }
93 }
94
toString(const SkPath & path,SkString * str)95 static void toString(const SkPath& path, SkString* str) {
96 if (path.isEmpty()) {
97 str->append("path:empty");
98 } else {
99 toString(path.getBounds(), str);
100 #if 1
101 SkString s;
102 dumpVerbs(path, &s);
103 str->append(s.c_str());
104 #endif
105 str->append("]");
106 str->prepend("path:[");
107 }
108 }
109
toString(SkRegion::Op op)110 static const char* toString(SkRegion::Op op) {
111 static const char* gOpNames[] = {
112 "DIFF", "SECT", "UNION", "XOR", "RDIFF", "REPLACE"
113 };
114 return gOpNames[op];
115 }
116
toString(const SkRegion & rgn,SkString * str)117 static void toString(const SkRegion& rgn, SkString* str) {
118 str->append("Region:[");
119 toString(rgn.getBounds(), str);
120 str->append("]");
121 if (rgn.isComplex()) {
122 str->append(".complex");
123 }
124 }
125
toString(SkCanvas::VertexMode vm)126 static const char* toString(SkCanvas::VertexMode vm) {
127 static const char* gVMNames[] = {
128 "TRIANGLES", "STRIP", "FAN"
129 };
130 return gVMNames[vm];
131 }
132
toString(SkCanvas::PointMode pm)133 static const char* toString(SkCanvas::PointMode pm) {
134 static const char* gPMNames[] = {
135 "POINTS", "LINES", "POLYGON"
136 };
137 return gPMNames[pm];
138 }
139
toString(const void * text,size_t byteLen,SkPaint::TextEncoding enc,SkString * str)140 static void toString(const void* text, size_t byteLen, SkPaint::TextEncoding enc,
141 SkString* str) {
142 // FIXME: this code appears to be untested - and probably unused - and probably wrong
143 switch (enc) {
144 case SkPaint::kUTF8_TextEncoding:
145 str->appendf("\"%.*s\"%s", (int)SkTMax<size_t>(byteLen, 32), (const char*) text,
146 byteLen > 32 ? "..." : "");
147 break;
148 case SkPaint::kUTF16_TextEncoding:
149 str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
150 byteLen > 64 ? "..." : "");
151 break;
152 case SkPaint::kUTF32_TextEncoding:
153 str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
154 byteLen > 128 ? "..." : "");
155 break;
156 case SkPaint::kGlyphID_TextEncoding:
157 str->append("<glyphs>");
158 break;
159
160 default:
161 SkASSERT(false);
162 break;
163 }
164 }
165
166 ///////////////////////////////////////////////////////////////////////////////
167
168 #define WIDE_OPEN 16384
169
SkDumpCanvas(Dumper * dumper)170 SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(WIDE_OPEN, WIDE_OPEN) {
171 fNestLevel = 0;
172 SkSafeRef(dumper);
173 fDumper = dumper;
174 }
175
~SkDumpCanvas()176 SkDumpCanvas::~SkDumpCanvas() {
177 SkSafeUnref(fDumper);
178 }
179
dump(Verb verb,const SkPaint * paint,const char format[],...)180 void SkDumpCanvas::dump(Verb verb, const SkPaint* paint,
181 const char format[], ...) {
182 static const size_t BUFFER_SIZE = 1024;
183
184 char buffer[BUFFER_SIZE];
185 va_list args;
186 va_start(args, format);
187 vsnprintf(buffer, BUFFER_SIZE, format, args);
188 va_end(args);
189
190 if (fDumper) {
191 fDumper->dump(this, verb, buffer, paint);
192 }
193 }
194
195 ///////////////////////////////////////////////////////////////////////////////
196
willSave()197 void SkDumpCanvas::willSave() {
198 this->dump(kSave_Verb, NULL, "save()");
199 this->INHERITED::willSave();
200 }
201
willSaveLayer(const SkRect * bounds,const SkPaint * paint,SaveFlags flags)202 SkCanvas::SaveLayerStrategy SkDumpCanvas::willSaveLayer(const SkRect* bounds, const SkPaint* paint,
203 SaveFlags flags) {
204 SkString str;
205 str.printf("saveLayer(0x%X)", flags);
206 if (bounds) {
207 str.append(" bounds");
208 toString(*bounds, &str);
209 }
210 if (paint) {
211 if (paint->getAlpha() != 0xFF) {
212 str.appendf(" alpha:0x%02X", paint->getAlpha());
213 }
214 if (paint->getXfermode()) {
215 str.appendf(" xfermode:%p", paint->getXfermode());
216 }
217 }
218 this->dump(kSave_Verb, paint, str.c_str());
219 return this->INHERITED::willSaveLayer(bounds, paint, flags);
220 }
221
willRestore()222 void SkDumpCanvas::willRestore() {
223 this->dump(kRestore_Verb, NULL, "restore");
224 this->INHERITED::willRestore();
225 }
226
didConcat(const SkMatrix & matrix)227 void SkDumpCanvas::didConcat(const SkMatrix& matrix) {
228 SkString str;
229
230 switch (matrix.getType()) {
231 case SkMatrix::kTranslate_Mask:
232 this->dump(kMatrix_Verb, NULL, "translate(%g %g)",
233 SkScalarToFloat(matrix.getTranslateX()),
234 SkScalarToFloat(matrix.getTranslateY()));
235 break;
236 case SkMatrix::kScale_Mask:
237 this->dump(kMatrix_Verb, NULL, "scale(%g %g)",
238 SkScalarToFloat(matrix.getScaleX()),
239 SkScalarToFloat(matrix.getScaleY()));
240 break;
241 default:
242 matrix.toString(&str);
243 this->dump(kMatrix_Verb, NULL, "concat(%s)", str.c_str());
244 break;
245 }
246
247 this->INHERITED::didConcat(matrix);
248 }
249
didSetMatrix(const SkMatrix & matrix)250 void SkDumpCanvas::didSetMatrix(const SkMatrix& matrix) {
251 SkString str;
252 matrix.toString(&str);
253 this->dump(kMatrix_Verb, NULL, "setMatrix(%s)", str.c_str());
254 this->INHERITED::didSetMatrix(matrix);
255 }
256
257 ///////////////////////////////////////////////////////////////////////////////
258
EdgeStyleToAAString(ClipEdgeStyle edgeStyle)259 const char* SkDumpCanvas::EdgeStyleToAAString(ClipEdgeStyle edgeStyle) {
260 return kSoft_ClipEdgeStyle == edgeStyle ? "AA" : "BW";
261 }
262
onClipRect(const SkRect & rect,SkRegion::Op op,ClipEdgeStyle edgeStyle)263 void SkDumpCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
264 SkString str;
265 toString(rect, &str);
266 this->dump(kClip_Verb, NULL, "clipRect(%s %s %s)", str.c_str(), toString(op),
267 EdgeStyleToAAString(edgeStyle));
268 this->INHERITED::onClipRect(rect, op, edgeStyle);
269 }
270
onClipRRect(const SkRRect & rrect,SkRegion::Op op,ClipEdgeStyle edgeStyle)271 void SkDumpCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
272 SkString str;
273 toString(rrect, &str);
274 this->dump(kClip_Verb, NULL, "clipRRect(%s %s %s)", str.c_str(), toString(op),
275 EdgeStyleToAAString(edgeStyle));
276 this->INHERITED::onClipRRect(rrect, op, edgeStyle);
277 }
278
onClipPath(const SkPath & path,SkRegion::Op op,ClipEdgeStyle edgeStyle)279 void SkDumpCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
280 SkString str;
281 toString(path, &str);
282 this->dump(kClip_Verb, NULL, "clipPath(%s %s %s)", str.c_str(), toString(op),
283 EdgeStyleToAAString(edgeStyle));
284 this->INHERITED::onClipPath(path, op, edgeStyle);
285 }
286
onClipRegion(const SkRegion & deviceRgn,SkRegion::Op op)287 void SkDumpCanvas::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
288 SkString str;
289 toString(deviceRgn, &str);
290 this->dump(kClip_Verb, NULL, "clipRegion(%s %s)", str.c_str(),
291 toString(op));
292 this->INHERITED::onClipRegion(deviceRgn, op);
293 }
294
295 ///////////////////////////////////////////////////////////////////////////////
296
onDrawPaint(const SkPaint & paint)297 void SkDumpCanvas::onDrawPaint(const SkPaint& paint) {
298 this->dump(kDrawPaint_Verb, &paint, "drawPaint()");
299 }
300
onDrawPoints(PointMode mode,size_t count,const SkPoint pts[],const SkPaint & paint)301 void SkDumpCanvas::onDrawPoints(PointMode mode, size_t count,
302 const SkPoint pts[], const SkPaint& paint) {
303 this->dump(kDrawPoints_Verb, &paint, "drawPoints(%s, %d)", toString(mode),
304 count);
305 }
306
onDrawOval(const SkRect & rect,const SkPaint & paint)307 void SkDumpCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
308 SkString str;
309 toString(rect, &str);
310 this->dump(kDrawOval_Verb, &paint, "drawOval(%s)", str.c_str());
311 }
312
onDrawRect(const SkRect & rect,const SkPaint & paint)313 void SkDumpCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
314 SkString str;
315 toString(rect, &str);
316 this->dump(kDrawRect_Verb, &paint, "drawRect(%s)", str.c_str());
317 }
318
onDrawRRect(const SkRRect & rrect,const SkPaint & paint)319 void SkDumpCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
320 SkString str;
321 toString(rrect, &str);
322 this->dump(kDrawDRRect_Verb, &paint, "drawRRect(%s)", str.c_str());
323 }
324
onDrawDRRect(const SkRRect & outer,const SkRRect & inner,const SkPaint & paint)325 void SkDumpCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
326 const SkPaint& paint) {
327 SkString str0, str1;
328 toString(outer, &str0);
329 toString(inner, &str0);
330 this->dump(kDrawRRect_Verb, &paint, "drawDRRect(%s,%s)",
331 str0.c_str(), str1.c_str());
332 }
333
onDrawPath(const SkPath & path,const SkPaint & paint)334 void SkDumpCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
335 SkString str;
336 toString(path, &str);
337 this->dump(kDrawPath_Verb, &paint, "drawPath(%s)", str.c_str());
338 }
339
onDrawBitmap(const SkBitmap & bitmap,SkScalar x,SkScalar y,const SkPaint * paint)340 void SkDumpCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
341 const SkPaint* paint) {
342 SkString str;
343 bitmap.toString(&str);
344 this->dump(kDrawBitmap_Verb, paint, "drawBitmap(%s %g %g)", str.c_str(),
345 SkScalarToFloat(x), SkScalarToFloat(y));
346 }
347
onDrawBitmapRect(const SkBitmap & bitmap,const SkRect * src,const SkRect & dst,const SkPaint * paint,DrawBitmapRectFlags flags)348 void SkDumpCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
349 const SkPaint* paint, DrawBitmapRectFlags flags) {
350 SkString bs, rs;
351 bitmap.toString(&bs);
352 toString(dst, &rs);
353 // show the src-rect only if its not everything
354 if (src && (src->fLeft > 0 || src->fTop > 0 ||
355 src->fRight < SkIntToScalar(bitmap.width()) ||
356 src->fBottom < SkIntToScalar(bitmap.height()))) {
357 SkString ss;
358 toString(*src, &ss);
359 rs.prependf("%s ", ss.c_str());
360 }
361
362 this->dump(kDrawBitmap_Verb, paint, "drawBitmapRectToRect(%s %s)",
363 bs.c_str(), rs.c_str());
364 }
365
onDrawBitmapNine(const SkBitmap & bitmap,const SkIRect & center,const SkRect & dst,const SkPaint * paint)366 void SkDumpCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
367 const SkRect& dst, const SkPaint* paint) {
368 SkString str, centerStr, dstStr;
369 bitmap.toString(&str);
370 toString(center, ¢erStr);
371 toString(dst, &dstStr);
372 this->dump(kDrawBitmap_Verb, paint, "drawBitmapNine(%s %s %s)", str.c_str(),
373 centerStr.c_str(), dstStr.c_str());
374 }
375
onDrawImage(const SkImage * image,SkScalar x,SkScalar y,const SkPaint * paint)376 void SkDumpCanvas::onDrawImage(const SkImage* image, SkScalar x, SkScalar y, const SkPaint* paint) {
377 SkString str;
378 image->toString(&str);
379 this->dump(kDrawBitmap_Verb, paint, "drawImage(%s %g %g)", str.c_str(),
380 SkScalarToFloat(x), SkScalarToFloat(y));
381 }
382
onDrawImageRect(const SkImage * image,const SkRect * src,const SkRect & dst,const SkPaint * paint)383 void SkDumpCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
384 const SkPaint* paint) {
385 SkString bs, rs;
386 image->toString(&bs);
387 toString(dst, &rs);
388 // show the src-rect only if its not everything
389 if (src && (src->fLeft > 0 || src->fTop > 0 ||
390 src->fRight < SkIntToScalar(image->width()) ||
391 src->fBottom < SkIntToScalar(image->height()))) {
392 SkString ss;
393 toString(*src, &ss);
394 rs.prependf("%s ", ss.c_str());
395 }
396
397 this->dump(kDrawBitmap_Verb, paint, "drawImageRectToRect(%s %s)",
398 bs.c_str(), rs.c_str());
399 }
400
onDrawSprite(const SkBitmap & bitmap,int x,int y,const SkPaint * paint)401 void SkDumpCanvas::onDrawSprite(const SkBitmap& bitmap, int x, int y, const SkPaint* paint) {
402 SkString str;
403 bitmap.toString(&str);
404 this->dump(kDrawBitmap_Verb, paint, "drawSprite(%s %d %d)", str.c_str(),
405 x, y);
406 }
407
onDrawText(const void * text,size_t byteLength,SkScalar x,SkScalar y,const SkPaint & paint)408 void SkDumpCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
409 const SkPaint& paint) {
410 SkString str;
411 toString(text, byteLength, paint.getTextEncoding(), &str);
412 this->dump(kDrawText_Verb, &paint, "drawText(%s [%d] %g %g)", str.c_str(),
413 byteLength, SkScalarToFloat(x), SkScalarToFloat(y));
414 }
415
onDrawPosText(const void * text,size_t byteLength,const SkPoint pos[],const SkPaint & paint)416 void SkDumpCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
417 const SkPaint& paint) {
418 SkString str;
419 toString(text, byteLength, paint.getTextEncoding(), &str);
420 this->dump(kDrawText_Verb, &paint, "drawPosText(%s [%d] %g %g ...)",
421 str.c_str(), byteLength, SkScalarToFloat(pos[0].fX),
422 SkScalarToFloat(pos[0].fY));
423 }
424
onDrawPosTextH(const void * text,size_t byteLength,const SkScalar xpos[],SkScalar constY,const SkPaint & paint)425 void SkDumpCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
426 SkScalar constY, const SkPaint& paint) {
427 SkString str;
428 toString(text, byteLength, paint.getTextEncoding(), &str);
429 this->dump(kDrawText_Verb, &paint, "drawPosTextH(%s [%d] %g %g ...)",
430 str.c_str(), byteLength, SkScalarToFloat(xpos[0]),
431 SkScalarToFloat(constY));
432 }
433
onDrawTextOnPath(const void * text,size_t byteLength,const SkPath & path,const SkMatrix * matrix,const SkPaint & paint)434 void SkDumpCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
435 const SkMatrix* matrix, const SkPaint& paint) {
436 SkString str;
437 toString(text, byteLength, paint.getTextEncoding(), &str);
438 this->dump(kDrawText_Verb, &paint, "drawTextOnPath(%s [%d])",
439 str.c_str(), byteLength);
440 }
441
onDrawTextBlob(const SkTextBlob * blob,SkScalar x,SkScalar y,const SkPaint & paint)442 void SkDumpCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
443 const SkPaint& paint) {
444 SkString str;
445 toString(blob->bounds(), &str);
446 this->dump(kDrawText_Verb, &paint, "drawTextBlob(%p) [%s]", blob, str.c_str());
447 // FIXME: dump the actual blob content?
448 }
449
onDrawPicture(const SkPicture * picture,const SkMatrix * matrix,const SkPaint * paint)450 void SkDumpCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
451 const SkPaint* paint) {
452 this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %f:%f:%f:%f", picture,
453 picture->cullRect().fLeft, picture->cullRect().fTop,
454 picture->cullRect().fRight, picture->cullRect().fBottom);
455 fNestLevel += 1;
456 this->INHERITED::onDrawPicture(picture, matrix, paint);
457 fNestLevel -= 1;
458 this->dump(kDrawPicture_Verb, NULL, "endPicture(%p) %f:%f:%f:%f", &picture,
459 picture->cullRect().fLeft, picture->cullRect().fTop,
460 picture->cullRect().fRight, picture->cullRect().fBottom);
461 }
462
onDrawVertices(VertexMode vmode,int vertexCount,const SkPoint vertices[],const SkPoint texs[],const SkColor colors[],SkXfermode * xmode,const uint16_t indices[],int indexCount,const SkPaint & paint)463 void SkDumpCanvas::onDrawVertices(VertexMode vmode, int vertexCount,
464 const SkPoint vertices[], const SkPoint texs[],
465 const SkColor colors[], SkXfermode* xmode,
466 const uint16_t indices[], int indexCount,
467 const SkPaint& paint) {
468 this->dump(kDrawVertices_Verb, &paint, "drawVertices(%s [%d] %g %g ...)",
469 toString(vmode), vertexCount, SkScalarToFloat(vertices[0].fX),
470 SkScalarToFloat(vertices[0].fY));
471 }
472
onDrawPatch(const SkPoint cubics[12],const SkColor colors[4],const SkPoint texCoords[4],SkXfermode * xmode,const SkPaint & paint)473 void SkDumpCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
474 const SkPoint texCoords[4], SkXfermode* xmode,
475 const SkPaint& paint) {
476 //dumps corner points and colors in clockwise order starting on upper-left corner
477 this->dump(kDrawPatch_Verb, &paint, "drawPatch(Vertices{[%f, %f], [%f, %f], [%f, %f], [%f, %f]}\
478 | Colors{[0x%x], [0x%x], [0x%x], [0x%x]} | TexCoords{[%f,%f], [%f,%f], [%f,%f], \
479 [%f,%f]})",
480 cubics[SkPatchUtils::kTopP0_CubicCtrlPts].fX,
481 cubics[SkPatchUtils::kTopP0_CubicCtrlPts].fY,
482 cubics[SkPatchUtils::kTopP3_CubicCtrlPts].fX,
483 cubics[SkPatchUtils::kTopP3_CubicCtrlPts].fY,
484 cubics[SkPatchUtils::kBottomP3_CubicCtrlPts].fX,
485 cubics[SkPatchUtils::kBottomP3_CubicCtrlPts].fY,
486 cubics[SkPatchUtils::kBottomP0_CubicCtrlPts].fX,
487 cubics[SkPatchUtils::kBottomP0_CubicCtrlPts].fY,
488 colors[0], colors[1], colors[2], colors[3],
489 texCoords[0].x(), texCoords[0].y(), texCoords[1].x(), texCoords[1].y(),
490 texCoords[2].x(), texCoords[2].y(), texCoords[3].x(), texCoords[3].y());
491 }
492
beginCommentGroup(const char * description)493 void SkDumpCanvas::beginCommentGroup(const char* description) {
494 this->dump(kBeginCommentGroup_Verb, NULL, "beginCommentGroup(%s)", description);
495 }
496
addComment(const char * kywd,const char * value)497 void SkDumpCanvas::addComment(const char* kywd, const char* value) {
498 this->dump(kAddComment_Verb, NULL, "addComment(%s, %s)", kywd, value);
499 }
500
endCommentGroup()501 void SkDumpCanvas::endCommentGroup() {
502 this->dump(kEndCommentGroup_Verb, NULL, "endCommentGroup()");
503 }
504
505 ///////////////////////////////////////////////////////////////////////////////
506 ///////////////////////////////////////////////////////////////////////////////
507
SkFormatDumper(void (* proc)(const char *,void *),void * refcon)508 SkFormatDumper::SkFormatDumper(void (*proc)(const char*, void*), void* refcon) {
509 fProc = proc;
510 fRefcon = refcon;
511 }
512
appendPtr(SkString * str,const void * ptr,const char name[])513 static void appendPtr(SkString* str, const void* ptr, const char name[]) {
514 if (ptr) {
515 str->appendf(" %s:%p", name, ptr);
516 }
517 }
518
appendFlattenable(SkString * str,const SkFlattenable * ptr,const char name[])519 static void appendFlattenable(SkString* str, const SkFlattenable* ptr,
520 const char name[]) {
521 if (ptr) {
522 str->appendf(" %s:%p", name, ptr);
523 }
524 }
525
dump(SkDumpCanvas * canvas,SkDumpCanvas::Verb verb,const char str[],const SkPaint * p)526 void SkFormatDumper::dump(SkDumpCanvas* canvas, SkDumpCanvas::Verb verb,
527 const char str[], const SkPaint* p) {
528 SkString msg, tab;
529 const int level = canvas->getNestLevel() + canvas->getSaveCount() - 1;
530 SkASSERT(level >= 0);
531 for (int i = 0; i < level; i++) {
532 #if 0
533 tab.append("\t");
534 #else
535 tab.append(" "); // tabs are often too wide to be useful
536 #endif
537 }
538 msg.printf("%s%s", tab.c_str(), str);
539
540 if (p) {
541 msg.appendf(" color:0x%08X flags:%X", p->getColor(), p->getFlags());
542 appendFlattenable(&msg, p->getShader(), "shader");
543 appendFlattenable(&msg, p->getXfermode(), "xfermode");
544 appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
545 appendFlattenable(&msg, p->getMaskFilter(), "maskFilter");
546 appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
547 appendFlattenable(&msg, p->getColorFilter(), "filter");
548
549 if (SkDumpCanvas::kDrawText_Verb == verb) {
550 msg.appendf(" textSize:%g", SkScalarToFloat(p->getTextSize()));
551 appendPtr(&msg, p->getTypeface(), "typeface");
552 }
553
554 if (p->getStyle() != SkPaint::kFill_Style) {
555 msg.appendf(" strokeWidth:%g", SkScalarToFloat(p->getStrokeWidth()));
556 }
557 }
558
559 fProc(msg.c_str(), fRefcon);
560 }
561
562 ///////////////////////////////////////////////////////////////////////////////
563
dumpToDebugf(const char text[],void *)564 static void dumpToDebugf(const char text[], void*) {
565 SkDebugf("%s\n", text);
566 }
567
SkDebugfDumper()568 SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, NULL) {}
569
570 #endif
571