michael@0: 
michael@0: /*
michael@0:  * Copyright 2011 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #include "SkDumpCanvas.h"
michael@0: 
michael@0: #ifdef SK_DEVELOPER
michael@0: #include "SkPicture.h"
michael@0: #include "SkPixelRef.h"
michael@0: #include "SkRRect.h"
michael@0: #include "SkString.h"
michael@0: #include <stdarg.h>
michael@0: #include <stdio.h>
michael@0: 
michael@0: // needed just to know that these are all subclassed from SkFlattenable
michael@0: #include "SkShader.h"
michael@0: #include "SkPathEffect.h"
michael@0: #include "SkXfermode.h"
michael@0: #include "SkColorFilter.h"
michael@0: #include "SkPathEffect.h"
michael@0: #include "SkMaskFilter.h"
michael@0: 
michael@0: static void toString(const SkRect& r, SkString* str) {
michael@0:     str->appendf("[%g,%g %g:%g]",
michael@0:                  SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
michael@0:                  SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
michael@0: }
michael@0: 
michael@0: static void toString(const SkIRect& r, SkString* str) {
michael@0:     str->appendf("[%d,%d %d:%d]", r.fLeft, r.fTop, r.width(), r.height());
michael@0: }
michael@0: 
michael@0: static void toString(const SkRRect& rrect, SkString* str) {
michael@0:     SkRect r = rrect.getBounds();
michael@0:     str->appendf("[%g,%g %g:%g]",
michael@0:                  SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
michael@0:                  SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
michael@0:     if (rrect.isOval()) {
michael@0:         str->append("()");
michael@0:     } else if (rrect.isSimple()) {
michael@0:         const SkVector& rad = rrect.getSimpleRadii();
michael@0:         str->appendf("(%g,%g)", rad.x(), rad.y());
michael@0:     } else if (rrect.isComplex()) {
michael@0:         SkVector radii[4] = {
michael@0:             rrect.radii(SkRRect::kUpperLeft_Corner),
michael@0:             rrect.radii(SkRRect::kUpperRight_Corner),
michael@0:             rrect.radii(SkRRect::kLowerRight_Corner),
michael@0:             rrect.radii(SkRRect::kLowerLeft_Corner),
michael@0:         };
michael@0:         str->appendf("(%g,%g %g,%g %g,%g %g,%g)",
michael@0:                      radii[0].x(), radii[0].y(),
michael@0:                      radii[1].x(), radii[1].y(),
michael@0:                      radii[2].x(), radii[2].y(),
michael@0:                      radii[3].x(), radii[3].y());
michael@0:     }
michael@0: }
michael@0: 
michael@0: static void dumpVerbs(const SkPath& path, SkString* str) {
michael@0:     SkPath::Iter iter(path, false);
michael@0:     SkPoint pts[4];
michael@0:     for (;;) {
michael@0:         switch (iter.next(pts, false)) {
michael@0:             case SkPath::kMove_Verb:
michael@0:                 str->appendf(" M%g,%g", pts[0].fX, pts[0].fY);
michael@0:                 break;
michael@0:             case SkPath::kLine_Verb:
michael@0:                 str->appendf(" L%g,%g", pts[0].fX, pts[0].fY);
michael@0:                 break;
michael@0:             case SkPath::kQuad_Verb:
michael@0:                 str->appendf(" Q%g,%g,%g,%g", pts[1].fX, pts[1].fY,
michael@0:                              pts[2].fX, pts[2].fY);
michael@0:                 break;
michael@0:             case SkPath::kCubic_Verb:
michael@0:                 str->appendf(" C%g,%g,%g,%g,%g,%g", pts[1].fX, pts[1].fY,
michael@0:                              pts[2].fX, pts[2].fY, pts[3].fX, pts[3].fY);
michael@0:                 break;
michael@0:             case SkPath::kClose_Verb:
michael@0:                 str->append("X");
michael@0:                 break;
michael@0:             case SkPath::kDone_Verb:
michael@0:                 return;
michael@0:             case SkPath::kConic_Verb:
michael@0:                 SkASSERT(0);
michael@0:                 break;
michael@0:         }
michael@0:     }
michael@0: }
michael@0: 
michael@0: static void toString(const SkPath& path, SkString* str) {
michael@0:     if (path.isEmpty()) {
michael@0:         str->append("path:empty");
michael@0:     } else {
michael@0:         toString(path.getBounds(), str);
michael@0: #if 1
michael@0:         SkString s;
michael@0:         dumpVerbs(path, &s);
michael@0:         str->append(s.c_str());
michael@0: #endif
michael@0:         str->append("]");
michael@0:         str->prepend("path:[");
michael@0:     }
michael@0: }
michael@0: 
michael@0: static const char* toString(SkRegion::Op op) {
michael@0:     static const char* gOpNames[] = {
michael@0:         "DIFF", "SECT", "UNION", "XOR", "RDIFF", "REPLACE"
michael@0:     };
michael@0:     return gOpNames[op];
michael@0: }
michael@0: 
michael@0: static void toString(const SkRegion& rgn, SkString* str) {
michael@0:     str->append("Region:[");
michael@0:     toString(rgn.getBounds(), str);
michael@0:     str->append("]");
michael@0:     if (rgn.isComplex()) {
michael@0:         str->append(".complex");
michael@0:     }
michael@0: }
michael@0: 
michael@0: static const char* toString(SkCanvas::VertexMode vm) {
michael@0:     static const char* gVMNames[] = {
michael@0:         "TRIANGLES", "STRIP", "FAN"
michael@0:     };
michael@0:     return gVMNames[vm];
michael@0: }
michael@0: 
michael@0: static const char* toString(SkCanvas::PointMode pm) {
michael@0:     static const char* gPMNames[] = {
michael@0:         "POINTS", "LINES", "POLYGON"
michael@0:     };
michael@0:     return gPMNames[pm];
michael@0: }
michael@0: 
michael@0: static void toString(const void* text, size_t byteLen, SkPaint::TextEncoding enc,
michael@0:                      SkString* str) {
michael@0:     // FIXME: this code appears to be untested - and probably unused - and probably wrong
michael@0:     switch (enc) {
michael@0:         case SkPaint::kUTF8_TextEncoding:
michael@0:             str->appendf("\"%.*s\"%s", (int)SkTMax<size_t>(byteLen, 32), (const char*) text,
michael@0:                         byteLen > 32 ? "..." : "");
michael@0:             break;
michael@0:         case SkPaint::kUTF16_TextEncoding:
michael@0:             str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
michael@0:                         byteLen > 64 ? "..." : "");
michael@0:             break;
michael@0:         case SkPaint::kUTF32_TextEncoding:
michael@0:             str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text,
michael@0:                         byteLen > 128 ? "..." : "");
michael@0:             break;
michael@0:         case SkPaint::kGlyphID_TextEncoding:
michael@0:             str->append("<glyphs>");
michael@0:             break;
michael@0: 
michael@0:         default:
michael@0:             SkASSERT(false);
michael@0:             break;
michael@0:     }
michael@0: }
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #define WIDE_OPEN   16384
michael@0: 
michael@0: SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(WIDE_OPEN, WIDE_OPEN) {
michael@0:     fNestLevel = 0;
michael@0:     SkSafeRef(dumper);
michael@0:     fDumper = dumper;
michael@0: }
michael@0: 
michael@0: SkDumpCanvas::~SkDumpCanvas() {
michael@0:     SkSafeUnref(fDumper);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::dump(Verb verb, const SkPaint* paint,
michael@0:                         const char format[], ...) {
michael@0:     static const size_t BUFFER_SIZE = 1024;
michael@0: 
michael@0:     char    buffer[BUFFER_SIZE];
michael@0:     va_list args;
michael@0:     va_start(args, format);
michael@0:     vsnprintf(buffer, BUFFER_SIZE, format, args);
michael@0:     va_end(args);
michael@0: 
michael@0:     if (fDumper) {
michael@0:         fDumper->dump(this, verb, buffer, paint);
michael@0:     }
michael@0: }
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: void SkDumpCanvas::willSave(SaveFlags flags) {
michael@0:     this->dump(kSave_Verb, NULL, "save(0x%X)", flags);
michael@0:     this->INHERITED::willSave(flags);
michael@0: }
michael@0: 
michael@0: SkCanvas::SaveLayerStrategy SkDumpCanvas::willSaveLayer(const SkRect* bounds, const SkPaint* paint,
michael@0:                                                         SaveFlags flags) {
michael@0:     SkString str;
michael@0:     str.printf("saveLayer(0x%X)", flags);
michael@0:     if (bounds) {
michael@0:         str.append(" bounds");
michael@0:         toString(*bounds, &str);
michael@0:     }
michael@0:     if (paint) {
michael@0:         if (paint->getAlpha() != 0xFF) {
michael@0:             str.appendf(" alpha:0x%02X", paint->getAlpha());
michael@0:         }
michael@0:         if (paint->getXfermode()) {
michael@0:             str.appendf(" xfermode:%p", paint->getXfermode());
michael@0:         }
michael@0:     }
michael@0:     this->dump(kSave_Verb, paint, str.c_str());
michael@0:     return this->INHERITED::willSaveLayer(bounds, paint, flags);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::willRestore() {
michael@0:     this->dump(kRestore_Verb, NULL, "restore");
michael@0:     this->INHERITED::willRestore();
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::didTranslate(SkScalar dx, SkScalar dy) {
michael@0:     this->dump(kMatrix_Verb, NULL, "translate(%g %g)",
michael@0:                SkScalarToFloat(dx), SkScalarToFloat(dy));
michael@0:     this->INHERITED::didTranslate(dx, dy);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::didScale(SkScalar sx, SkScalar sy) {
michael@0:     this->dump(kMatrix_Verb, NULL, "scale(%g %g)",
michael@0:                SkScalarToFloat(sx), SkScalarToFloat(sy));
michael@0:     this->INHERITED::didScale(sx, sy);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::didRotate(SkScalar degrees) {
michael@0:     this->dump(kMatrix_Verb, NULL, "rotate(%g)", SkScalarToFloat(degrees));
michael@0:     this->INHERITED::didRotate(degrees);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::didSkew(SkScalar sx, SkScalar sy) {
michael@0:     this->dump(kMatrix_Verb, NULL, "skew(%g %g)",
michael@0:                SkScalarToFloat(sx), SkScalarToFloat(sy));
michael@0:     this->INHERITED::didSkew(sx, sy);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::didConcat(const SkMatrix& matrix) {
michael@0:     SkString str;
michael@0:     matrix.toString(&str);
michael@0:     this->dump(kMatrix_Verb, NULL, "concat(%s)", str.c_str());
michael@0:     this->INHERITED::didConcat(matrix);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::didSetMatrix(const SkMatrix& matrix) {
michael@0:     SkString str;
michael@0:     matrix.toString(&str);
michael@0:     this->dump(kMatrix_Verb, NULL, "setMatrix(%s)", str.c_str());
michael@0:     this->INHERITED::didSetMatrix(matrix);
michael@0: }
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: const char* SkDumpCanvas::EdgeStyleToAAString(ClipEdgeStyle edgeStyle) {
michael@0:     return kSoft_ClipEdgeStyle == edgeStyle ? "AA" : "BW";
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
michael@0:     SkString str;
michael@0:     toString(rect, &str);
michael@0:     this->dump(kClip_Verb, NULL, "clipRect(%s %s %s)", str.c_str(), toString(op),
michael@0:                EdgeStyleToAAString(edgeStyle));
michael@0:     this->INHERITED::onClipRect(rect, op, edgeStyle);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
michael@0:     SkString str;
michael@0:     toString(rrect, &str);
michael@0:     this->dump(kClip_Verb, NULL, "clipRRect(%s %s %s)", str.c_str(), toString(op),
michael@0:                EdgeStyleToAAString(edgeStyle));
michael@0:     this->INHERITED::onClipRRect(rrect, op, edgeStyle);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
michael@0:     SkString str;
michael@0:     toString(path, &str);
michael@0:     this->dump(kClip_Verb, NULL, "clipPath(%s %s %s)", str.c_str(), toString(op),
michael@0:                EdgeStyleToAAString(edgeStyle));
michael@0:     this->INHERITED::onClipPath(path, op, edgeStyle);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
michael@0:     SkString str;
michael@0:     toString(deviceRgn, &str);
michael@0:     this->dump(kClip_Verb, NULL, "clipRegion(%s %s)", str.c_str(),
michael@0:                toString(op));
michael@0:     this->INHERITED::onClipRegion(deviceRgn, op);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::onPushCull(const SkRect& cullRect) {
michael@0:     SkString str;
michael@0:     toString(cullRect, &str);
michael@0:     this->dump(kCull_Verb, NULL, "pushCull(%s)", str.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::onPopCull() {
michael@0:     this->dump(kCull_Verb, NULL, "popCull()");
michael@0: }
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: void SkDumpCanvas::drawPaint(const SkPaint& paint) {
michael@0:     this->dump(kDrawPaint_Verb, &paint, "drawPaint()");
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawPoints(PointMode mode, size_t count,
michael@0:                                const SkPoint pts[], const SkPaint& paint) {
michael@0:     this->dump(kDrawPoints_Verb, &paint, "drawPoints(%s, %d)", toString(mode),
michael@0:                count);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawOval(const SkRect& rect, const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(rect, &str);
michael@0:     this->dump(kDrawOval_Verb, &paint, "drawOval(%s)", str.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawRect(const SkRect& rect, const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(rect, &str);
michael@0:     this->dump(kDrawRect_Verb, &paint, "drawRect(%s)", str.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(rrect, &str);
michael@0:     this->dump(kDrawDRRect_Verb, &paint, "drawRRect(%s)", str.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
michael@0:                                 const SkPaint& paint) {
michael@0:     SkString str0, str1;
michael@0:     toString(outer, &str0);
michael@0:     toString(inner, &str0);
michael@0:     this->dump(kDrawRRect_Verb, &paint, "drawDRRect(%s,%s)",
michael@0:                str0.c_str(), str1.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(path, &str);
michael@0:     this->dump(kDrawPath_Verb, &paint, "drawPath(%s)", str.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
michael@0:                                const SkPaint* paint) {
michael@0:     SkString str;
michael@0:     bitmap.toString(&str);
michael@0:     this->dump(kDrawBitmap_Verb, paint, "drawBitmap(%s %g %g)", str.c_str(),
michael@0:                SkScalarToFloat(x), SkScalarToFloat(y));
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src,
michael@0:                                         const SkRect& dst, const SkPaint* paint,
michael@0:                                         DrawBitmapRectFlags flags) {
michael@0:     SkString bs, rs;
michael@0:     bitmap.toString(&bs);
michael@0:     toString(dst, &rs);
michael@0:     // show the src-rect only if its not everything
michael@0:     if (src && (src->fLeft > 0 || src->fTop > 0 ||
michael@0:                 src->fRight < SkIntToScalar(bitmap.width()) ||
michael@0:                 src->fBottom < SkIntToScalar(bitmap.height()))) {
michael@0:         SkString ss;
michael@0:         toString(*src, &ss);
michael@0:         rs.prependf("%s ", ss.c_str());
michael@0:     }
michael@0: 
michael@0:     this->dump(kDrawBitmap_Verb, paint, "drawBitmapRectToRect(%s %s)",
michael@0:                bs.c_str(), rs.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m,
michael@0:                                      const SkPaint* paint) {
michael@0:     SkString bs, ms;
michael@0:     bitmap.toString(&bs);
michael@0:     m.toString(&ms);
michael@0:     this->dump(kDrawBitmap_Verb, paint, "drawBitmapMatrix(%s %s)",
michael@0:                bs.c_str(), ms.c_str());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawSprite(const SkBitmap& bitmap, int x, int y,
michael@0:                                const SkPaint* paint) {
michael@0:     SkString str;
michael@0:     bitmap.toString(&str);
michael@0:     this->dump(kDrawBitmap_Verb, paint, "drawSprite(%s %d %d)", str.c_str(),
michael@0:                x, y);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawText(const void* text, size_t byteLength, SkScalar x,
michael@0:                              SkScalar y, const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(text, byteLength, paint.getTextEncoding(), &str);
michael@0:     this->dump(kDrawText_Verb, &paint, "drawText(%s [%d] %g %g)", str.c_str(),
michael@0:                byteLength, SkScalarToFloat(x), SkScalarToFloat(y));
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawPosText(const void* text, size_t byteLength,
michael@0:                                 const SkPoint pos[], const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(text, byteLength, paint.getTextEncoding(), &str);
michael@0:     this->dump(kDrawText_Verb, &paint, "drawPosText(%s [%d] %g %g ...)",
michael@0:                str.c_str(), byteLength, SkScalarToFloat(pos[0].fX),
michael@0:                SkScalarToFloat(pos[0].fY));
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawPosTextH(const void* text, size_t byteLength,
michael@0:                                  const SkScalar xpos[], SkScalar constY,
michael@0:                                  const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(text, byteLength, paint.getTextEncoding(), &str);
michael@0:     this->dump(kDrawText_Verb, &paint, "drawPosTextH(%s [%d] %g %g ...)",
michael@0:                str.c_str(), byteLength, SkScalarToFloat(xpos[0]),
michael@0:                SkScalarToFloat(constY));
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawTextOnPath(const void* text, size_t byteLength,
michael@0:                                    const SkPath& path, const SkMatrix* matrix,
michael@0:                                    const SkPaint& paint) {
michael@0:     SkString str;
michael@0:     toString(text, byteLength, paint.getTextEncoding(), &str);
michael@0:     this->dump(kDrawText_Verb, &paint, "drawTextOnPath(%s [%d])",
michael@0:                str.c_str(), byteLength);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawPicture(SkPicture& picture) {
michael@0:     this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %d:%d", &picture,
michael@0:                picture.width(), picture.height());
michael@0:     fNestLevel += 1;
michael@0:     this->INHERITED::drawPicture(picture);
michael@0:     fNestLevel -= 1;
michael@0:     this->dump(kDrawPicture_Verb, NULL, "endPicture(%p) %d:%d", &picture,
michael@0:                picture.width(), picture.height());
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawVertices(VertexMode vmode, int vertexCount,
michael@0:                                  const SkPoint vertices[], const SkPoint texs[],
michael@0:                                  const SkColor colors[], SkXfermode* xmode,
michael@0:                                  const uint16_t indices[], int indexCount,
michael@0:                                  const SkPaint& paint) {
michael@0:     this->dump(kDrawVertices_Verb, &paint, "drawVertices(%s [%d] %g %g ...)",
michael@0:                toString(vmode), vertexCount, SkScalarToFloat(vertices[0].fX),
michael@0:                SkScalarToFloat(vertices[0].fY));
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::drawData(const void* data, size_t length) {
michael@0: //    this->dump(kDrawData_Verb, NULL, "drawData(%d)", length);
michael@0:     this->dump(kDrawData_Verb, NULL, "drawData(%d) %.*s", length,
michael@0:                SkTMin<size_t>(length, 64), data);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::beginCommentGroup(const char* description) {
michael@0:     this->dump(kBeginCommentGroup_Verb, NULL, "beginCommentGroup(%s)", description);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::addComment(const char* kywd, const char* value) {
michael@0:     this->dump(kAddComment_Verb, NULL, "addComment(%s, %s)", kywd, value);
michael@0: }
michael@0: 
michael@0: void SkDumpCanvas::endCommentGroup() {
michael@0:     this->dump(kEndCommentGroup_Verb, NULL, "endCommentGroup()");
michael@0: }
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: SkFormatDumper::SkFormatDumper(void (*proc)(const char*, void*), void* refcon) {
michael@0:     fProc = proc;
michael@0:     fRefcon = refcon;
michael@0: }
michael@0: 
michael@0: static void appendPtr(SkString* str, const void* ptr, const char name[]) {
michael@0:     if (ptr) {
michael@0:         str->appendf(" %s:%p", name, ptr);
michael@0:     }
michael@0: }
michael@0: 
michael@0: static void appendFlattenable(SkString* str, const SkFlattenable* ptr,
michael@0:                               const char name[]) {
michael@0:     if (ptr) {
michael@0:         str->appendf(" %s:%p", name, ptr);
michael@0:     }
michael@0: }
michael@0: 
michael@0: void SkFormatDumper::dump(SkDumpCanvas* canvas, SkDumpCanvas::Verb verb,
michael@0:                           const char str[], const SkPaint* p) {
michael@0:     SkString msg, tab;
michael@0:     const int level = canvas->getNestLevel() + canvas->getSaveCount() - 1;
michael@0:     SkASSERT(level >= 0);
michael@0:     for (int i = 0; i < level; i++) {
michael@0: #if 0
michael@0:         tab.append("\t");
michael@0: #else
michael@0:         tab.append("    ");   // tabs are often too wide to be useful
michael@0: #endif
michael@0:     }
michael@0:     msg.printf("%s%s", tab.c_str(), str);
michael@0: 
michael@0:     if (p) {
michael@0:         msg.appendf(" color:0x%08X flags:%X", p->getColor(), p->getFlags());
michael@0:         appendFlattenable(&msg, p->getShader(), "shader");
michael@0:         appendFlattenable(&msg, p->getXfermode(), "xfermode");
michael@0:         appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
michael@0:         appendFlattenable(&msg, p->getMaskFilter(), "maskFilter");
michael@0:         appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
michael@0:         appendFlattenable(&msg, p->getColorFilter(), "filter");
michael@0: 
michael@0:         if (SkDumpCanvas::kDrawText_Verb == verb) {
michael@0:             msg.appendf(" textSize:%g", SkScalarToFloat(p->getTextSize()));
michael@0:             appendPtr(&msg, p->getTypeface(), "typeface");
michael@0:         }
michael@0: 
michael@0:         if (p->getStyle() != SkPaint::kFill_Style) {
michael@0:             msg.appendf(" strokeWidth:%g", SkScalarToFloat(p->getStrokeWidth()));
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     fProc(msg.c_str(), fRefcon);
michael@0: }
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: static void dumpToDebugf(const char text[], void*) {
michael@0:     SkDebugf("%s\n", text);
michael@0: }
michael@0: 
michael@0: SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, NULL) {}
michael@0: 
michael@0: #endif