3 * Copyright 2011 Google Inc.
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
9 #include "SkDumpCanvas.h"
12 #include "SkPicture.h"
13 #include "SkPixelRef.h"
19 // needed just to know that these are all subclassed from SkFlattenable
21 #include "SkPathEffect.h"
22 #include "SkXfermode.h"
23 #include "SkColorFilter.h"
24 #include "SkPathEffect.h"
25 #include "SkMaskFilter.h"
27 static void toString(const SkRect& r, SkString* str) {
28 str->appendf("[%g,%g %g:%g]",
29 SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
30 SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
33 static void toString(const SkIRect& r, SkString* str) {
34 str->appendf("[%d,%d %d:%d]", r.fLeft, r.fTop, r.width(), r.height());
37 static void toString(const SkRRect& rrect, SkString* str) {
38 SkRect r = rrect.getBounds();
39 str->appendf("[%g,%g %g:%g]",
40 SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
41 SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
44 } else if (rrect.isSimple()) {
45 const SkVector& rad = rrect.getSimpleRadii();
46 str->appendf("(%g,%g)", rad.x(), rad.y());
47 } else if (rrect.isComplex()) {
49 rrect.radii(SkRRect::kUpperLeft_Corner),
50 rrect.radii(SkRRect::kUpperRight_Corner),
51 rrect.radii(SkRRect::kLowerRight_Corner),
52 rrect.radii(SkRRect::kLowerLeft_Corner),
54 str->appendf("(%g,%g %g,%g %g,%g %g,%g)",
55 radii[0].x(), radii[0].y(),
56 radii[1].x(), radii[1].y(),
57 radii[2].x(), radii[2].y(),
58 radii[3].x(), radii[3].y());
62 static void dumpVerbs(const SkPath& path, SkString* str) {
63 SkPath::Iter iter(path, false);
66 switch (iter.next(pts, false)) {
67 case SkPath::kMove_Verb:
68 str->appendf(" M%g,%g", pts[0].fX, pts[0].fY);
70 case SkPath::kLine_Verb:
71 str->appendf(" L%g,%g", pts[0].fX, pts[0].fY);
73 case SkPath::kQuad_Verb:
74 str->appendf(" Q%g,%g,%g,%g", pts[1].fX, pts[1].fY,
75 pts[2].fX, pts[2].fY);
77 case SkPath::kCubic_Verb:
78 str->appendf(" C%g,%g,%g,%g,%g,%g", pts[1].fX, pts[1].fY,
79 pts[2].fX, pts[2].fY, pts[3].fX, pts[3].fY);
81 case SkPath::kClose_Verb:
84 case SkPath::kDone_Verb:
86 case SkPath::kConic_Verb:
93 static void toString(const SkPath& path, SkString* str) {
95 str->append("path:empty");
97 toString(path.getBounds(), str);
101 str->append(s.c_str());
104 str->prepend("path:[");
108 static const char* toString(SkRegion::Op op) {
109 static const char* gOpNames[] = {
110 "DIFF", "SECT", "UNION", "XOR", "RDIFF", "REPLACE"
115 static void toString(const SkRegion& rgn, SkString* str) {
116 str->append("Region:[");
117 toString(rgn.getBounds(), str);
119 if (rgn.isComplex()) {
120 str->append(".complex");
124 static const char* toString(SkCanvas::VertexMode vm) {
125 static const char* gVMNames[] = {
126 "TRIANGLES", "STRIP", "FAN"
131 static const char* toString(SkCanvas::PointMode pm) {
132 static const char* gPMNames[] = {
133 "POINTS", "LINES", "POLYGON"
138 static void toString(const void* text, size_t byteLen, SkPaint::TextEncoding enc,
140 // FIXME: this code appears to be untested - and probably unused - and probably wrong
142 case SkPaint::kUTF8_TextEncoding:
143 str->appendf("\"%.*s\"%s", (int)SkTMax<size_t>(byteLen, 32), (const char*) text,
144 byteLen > 32 ? "..." : "");
146 case SkPaint::kUTF16_TextEncoding:
147 str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
148 byteLen > 64 ? "..." : "");
150 case SkPaint::kUTF32_TextEncoding:
151 str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
152 byteLen > 128 ? "..." : "");
154 case SkPaint::kGlyphID_TextEncoding:
155 str->append("<glyphs>");
164 ///////////////////////////////////////////////////////////////////////////////
166 #define WIDE_OPEN 16384
168 SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(WIDE_OPEN, WIDE_OPEN) {
174 SkDumpCanvas::~SkDumpCanvas() {
175 SkSafeUnref(fDumper);
178 void SkDumpCanvas::dump(Verb verb, const SkPaint* paint,
179 const char format[], ...) {
180 static const size_t BUFFER_SIZE = 1024;
182 char buffer[BUFFER_SIZE];
184 va_start(args, format);
185 vsnprintf(buffer, BUFFER_SIZE, format, args);
189 fDumper->dump(this, verb, buffer, paint);
193 ///////////////////////////////////////////////////////////////////////////////
195 int SkDumpCanvas::save(SaveFlags flags) {
196 this->dump(kSave_Verb, NULL, "save(0x%X)", flags);
197 return this->INHERITED::save(flags);
200 int SkDumpCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint,
203 str.printf("saveLayer(0x%X)", flags);
205 str.append(" bounds");
206 toString(*bounds, &str);
209 if (paint->getAlpha() != 0xFF) {
210 str.appendf(" alpha:0x%02X", paint->getAlpha());
212 if (paint->getXfermode()) {
213 str.appendf(" xfermode:%p", paint->getXfermode());
216 this->dump(kSave_Verb, paint, str.c_str());
217 return this->INHERITED::saveLayer(bounds, paint, flags);
220 void SkDumpCanvas::restore() {
221 this->INHERITED::restore();
222 this->dump(kRestore_Verb, NULL, "restore");
225 bool SkDumpCanvas::translate(SkScalar dx, SkScalar dy) {
226 this->dump(kMatrix_Verb, NULL, "translate(%g %g)",
227 SkScalarToFloat(dx), SkScalarToFloat(dy));
228 return this->INHERITED::translate(dx, dy);
231 bool SkDumpCanvas::scale(SkScalar sx, SkScalar sy) {
232 this->dump(kMatrix_Verb, NULL, "scale(%g %g)",
233 SkScalarToFloat(sx), SkScalarToFloat(sy));
234 return this->INHERITED::scale(sx, sy);
237 bool SkDumpCanvas::rotate(SkScalar degrees) {
238 this->dump(kMatrix_Verb, NULL, "rotate(%g)", SkScalarToFloat(degrees));
239 return this->INHERITED::rotate(degrees);
242 bool SkDumpCanvas::skew(SkScalar sx, SkScalar sy) {
243 this->dump(kMatrix_Verb, NULL, "skew(%g %g)",
244 SkScalarToFloat(sx), SkScalarToFloat(sy));
245 return this->INHERITED::skew(sx, sy);
248 bool SkDumpCanvas::concat(const SkMatrix& matrix) {
250 matrix.toString(&str);
251 this->dump(kMatrix_Verb, NULL, "concat(%s)", str.c_str());
252 return this->INHERITED::concat(matrix);
255 void SkDumpCanvas::setMatrix(const SkMatrix& matrix) {
257 matrix.toString(&str);
258 this->dump(kMatrix_Verb, NULL, "setMatrix(%s)", str.c_str());
259 this->INHERITED::setMatrix(matrix);
262 ///////////////////////////////////////////////////////////////////////////////
264 static const char* bool_to_aastring(bool doAA) {
265 return doAA ? "AA" : "BW";
268 bool SkDumpCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) {
270 toString(rect, &str);
271 this->dump(kClip_Verb, NULL, "clipRect(%s %s %s)", str.c_str(), toString(op),
272 bool_to_aastring(doAA));
273 return this->INHERITED::clipRect(rect, op, doAA);
276 bool SkDumpCanvas::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) {
278 toString(rrect, &str);
279 this->dump(kClip_Verb, NULL, "clipRRect(%s %s %s)", str.c_str(), toString(op),
280 bool_to_aastring(doAA));
281 return this->INHERITED::clipRRect(rrect, op, doAA);
284 bool SkDumpCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) {
286 toString(path, &str);
287 this->dump(kClip_Verb, NULL, "clipPath(%s %s %s)", str.c_str(), toString(op),
288 bool_to_aastring(doAA));
289 return this->INHERITED::clipPath(path, op, doAA);
292 bool SkDumpCanvas::clipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
294 toString(deviceRgn, &str);
295 this->dump(kClip_Verb, NULL, "clipRegion(%s %s)", str.c_str(),
297 return this->INHERITED::clipRegion(deviceRgn, op);
300 ///////////////////////////////////////////////////////////////////////////////
302 void SkDumpCanvas::drawPaint(const SkPaint& paint) {
303 this->dump(kDrawPaint_Verb, &paint, "drawPaint()");
306 void SkDumpCanvas::drawPoints(PointMode mode, size_t count,
307 const SkPoint pts[], const SkPaint& paint) {
308 this->dump(kDrawPoints_Verb, &paint, "drawPoints(%s, %d)", toString(mode),
312 void SkDumpCanvas::drawOval(const SkRect& rect, const SkPaint& paint) {
314 toString(rect, &str);
315 this->dump(kDrawOval_Verb, &paint, "drawOval(%s)", str.c_str());
318 void SkDumpCanvas::drawRect(const SkRect& rect, const SkPaint& paint) {
320 toString(rect, &str);
321 this->dump(kDrawRect_Verb, &paint, "drawRect(%s)", str.c_str());
324 void SkDumpCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
326 toString(rrect, &str);
327 this->dump(kDrawRRect_Verb, &paint, "drawRRect(%s)", str.c_str());
330 void SkDumpCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
332 toString(path, &str);
333 this->dump(kDrawPath_Verb, &paint, "drawPath(%s)", str.c_str());
336 void SkDumpCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
337 const SkPaint* paint) {
339 bitmap.toString(&str);
340 this->dump(kDrawBitmap_Verb, paint, "drawBitmap(%s %g %g)", str.c_str(),
341 SkScalarToFloat(x), SkScalarToFloat(y));
344 void SkDumpCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src,
345 const SkRect& dst, const SkPaint* paint,
346 DrawBitmapRectFlags flags) {
348 bitmap.toString(&bs);
350 // show the src-rect only if its not everything
351 if (src && (src->fLeft > 0 || src->fTop > 0 ||
352 src->fRight < SkIntToScalar(bitmap.width()) ||
353 src->fBottom < SkIntToScalar(bitmap.height()))) {
356 rs.prependf("%s ", ss.c_str());
359 this->dump(kDrawBitmap_Verb, paint, "drawBitmapRectToRect(%s %s)",
360 bs.c_str(), rs.c_str());
363 void SkDumpCanvas::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m,
364 const SkPaint* paint) {
366 bitmap.toString(&bs);
368 this->dump(kDrawBitmap_Verb, paint, "drawBitmapMatrix(%s %s)",
369 bs.c_str(), ms.c_str());
372 void SkDumpCanvas::drawSprite(const SkBitmap& bitmap, int x, int y,
373 const SkPaint* paint) {
375 bitmap.toString(&str);
376 this->dump(kDrawBitmap_Verb, paint, "drawSprite(%s %d %d)", str.c_str(),
380 void SkDumpCanvas::drawText(const void* text, size_t byteLength, SkScalar x,
381 SkScalar y, const SkPaint& paint) {
383 toString(text, byteLength, paint.getTextEncoding(), &str);
384 this->dump(kDrawText_Verb, &paint, "drawText(%s [%d] %g %g)", str.c_str(),
385 byteLength, SkScalarToFloat(x), SkScalarToFloat(y));
388 void SkDumpCanvas::drawPosText(const void* text, size_t byteLength,
389 const SkPoint pos[], const SkPaint& paint) {
391 toString(text, byteLength, paint.getTextEncoding(), &str);
392 this->dump(kDrawText_Verb, &paint, "drawPosText(%s [%d] %g %g ...)",
393 str.c_str(), byteLength, SkScalarToFloat(pos[0].fX),
394 SkScalarToFloat(pos[0].fY));
397 void SkDumpCanvas::drawPosTextH(const void* text, size_t byteLength,
398 const SkScalar xpos[], SkScalar constY,
399 const SkPaint& paint) {
401 toString(text, byteLength, paint.getTextEncoding(), &str);
402 this->dump(kDrawText_Verb, &paint, "drawPosTextH(%s [%d] %g %g ...)",
403 str.c_str(), byteLength, SkScalarToFloat(xpos[0]),
404 SkScalarToFloat(constY));
407 void SkDumpCanvas::drawTextOnPath(const void* text, size_t byteLength,
408 const SkPath& path, const SkMatrix* matrix,
409 const SkPaint& paint) {
411 toString(text, byteLength, paint.getTextEncoding(), &str);
412 this->dump(kDrawText_Verb, &paint, "drawTextOnPath(%s [%d])",
413 str.c_str(), byteLength);
416 void SkDumpCanvas::drawPicture(SkPicture& picture) {
417 this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %d:%d", &picture,
418 picture.width(), picture.height());
420 this->INHERITED::drawPicture(picture);
422 this->dump(kDrawPicture_Verb, NULL, "endPicture(%p) %d:%d", &picture,
423 picture.width(), picture.height());
426 void SkDumpCanvas::drawVertices(VertexMode vmode, int vertexCount,
427 const SkPoint vertices[], const SkPoint texs[],
428 const SkColor colors[], SkXfermode* xmode,
429 const uint16_t indices[], int indexCount,
430 const SkPaint& paint) {
431 this->dump(kDrawVertices_Verb, &paint, "drawVertices(%s [%d] %g %g ...)",
432 toString(vmode), vertexCount, SkScalarToFloat(vertices[0].fX),
433 SkScalarToFloat(vertices[0].fY));
436 void SkDumpCanvas::drawData(const void* data, size_t length) {
437 // this->dump(kDrawData_Verb, NULL, "drawData(%d)", length);
438 this->dump(kDrawData_Verb, NULL, "drawData(%d) %.*s", length,
439 SkTMin<size_t>(length, 64), data);
442 void SkDumpCanvas::beginCommentGroup(const char* description) {
443 this->dump(kBeginCommentGroup_Verb, NULL, "beginCommentGroup(%s)", description);
446 void SkDumpCanvas::addComment(const char* kywd, const char* value) {
447 this->dump(kAddComment_Verb, NULL, "addComment(%s, %s)", kywd, value);
450 void SkDumpCanvas::endCommentGroup() {
451 this->dump(kEndCommentGroup_Verb, NULL, "endCommentGroup()");
454 ///////////////////////////////////////////////////////////////////////////////
455 ///////////////////////////////////////////////////////////////////////////////
457 SkFormatDumper::SkFormatDumper(void (*proc)(const char*, void*), void* refcon) {
462 static void appendPtr(SkString* str, const void* ptr, const char name[]) {
464 str->appendf(" %s:%p", name, ptr);
468 static void appendFlattenable(SkString* str, const SkFlattenable* ptr,
471 str->appendf(" %s:%p", name, ptr);
475 void SkFormatDumper::dump(SkDumpCanvas* canvas, SkDumpCanvas::Verb verb,
476 const char str[], const SkPaint* p) {
478 const int level = canvas->getNestLevel() + canvas->getSaveCount() - 1;
479 SkASSERT(level >= 0);
480 for (int i = 0; i < level; i++) {
484 tab.append(" "); // tabs are often too wide to be useful
487 msg.printf("%s%s", tab.c_str(), str);
490 msg.appendf(" color:0x%08X flags:%X", p->getColor(), p->getFlags());
491 appendFlattenable(&msg, p->getShader(), "shader");
492 appendFlattenable(&msg, p->getXfermode(), "xfermode");
493 appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
494 appendFlattenable(&msg, p->getMaskFilter(), "maskFilter");
495 appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
496 appendFlattenable(&msg, p->getColorFilter(), "filter");
498 if (SkDumpCanvas::kDrawText_Verb == verb) {
499 msg.appendf(" textSize:%g", SkScalarToFloat(p->getTextSize()));
500 appendPtr(&msg, p->getTypeface(), "typeface");
503 if (p->getStyle() != SkPaint::kFill_Style) {
504 msg.appendf(" strokeWidth:%g", SkScalarToFloat(p->getStrokeWidth()));
508 fProc(msg.c_str(), fRefcon);
511 ///////////////////////////////////////////////////////////////////////////////
513 static void dumpToDebugf(const char text[], void*) {
514 SkDebugf("%s\n", text);
517 SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, NULL) {}