| |
| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkDumpCanvas.h" |
| |
| #ifdef SK_DEVELOPER |
| #include "SkPicture.h" |
| #include "SkPixelRef.h" |
| #include "SkRRect.h" |
| #include "SkString.h" |
| #include <stdarg.h> |
| |
| // needed just to know that these are all subclassed from SkFlattenable |
| #include "SkShader.h" |
| #include "SkPathEffect.h" |
| #include "SkXfermode.h" |
| #include "SkColorFilter.h" |
| #include "SkPathEffect.h" |
| #include "SkMaskFilter.h" |
| |
| SK_DEFINE_INST_COUNT(SkDumpCanvas::Dumper) |
| |
| static void toString(const SkRect& r, SkString* str) { |
| str->appendf("[%g,%g %g:%g]", |
| SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop), |
| SkScalarToFloat(r.width()), SkScalarToFloat(r.height())); |
| } |
| |
| static void toString(const SkIRect& r, SkString* str) { |
| str->appendf("[%d,%d %d:%d]", r.fLeft, r.fTop, r.width(), r.height()); |
| } |
| |
| static void toString(const SkRRect& rrect, SkString* str) { |
| SkRect r = rrect.getBounds(); |
| str->appendf("[%g,%g %g:%g]", |
| SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop), |
| SkScalarToFloat(r.width()), SkScalarToFloat(r.height())); |
| if (rrect.isOval()) { |
| str->append("()"); |
| } else if (rrect.isSimple()) { |
| const SkVector& rad = rrect.getSimpleRadii(); |
| str->appendf("(%g,%g)", rad.x(), rad.y()); |
| } else if (rrect.isComplex()) { |
| SkVector radii[4] = { |
| rrect.radii(SkRRect::kUpperLeft_Corner), |
| rrect.radii(SkRRect::kUpperRight_Corner), |
| rrect.radii(SkRRect::kLowerRight_Corner), |
| rrect.radii(SkRRect::kLowerLeft_Corner), |
| }; |
| str->appendf("(%g,%g %g,%g %g,%g %g,%g)", |
| radii[0].x(), radii[0].y(), |
| radii[1].x(), radii[1].y(), |
| radii[2].x(), radii[2].y(), |
| radii[3].x(), radii[3].y()); |
| } |
| } |
| |
| static void dumpVerbs(const SkPath& path, SkString* str) { |
| SkPath::Iter iter(path, false); |
| SkPoint pts[4]; |
| for (;;) { |
| switch (iter.next(pts, false)) { |
| case SkPath::kMove_Verb: |
| str->appendf(" M%g,%g", pts[0].fX, pts[0].fY); |
| break; |
| case SkPath::kLine_Verb: |
| str->appendf(" L%g,%g", pts[0].fX, pts[0].fY); |
| break; |
| case SkPath::kQuad_Verb: |
| str->appendf(" Q%g,%g,%g,%g", pts[1].fX, pts[1].fY, |
| pts[2].fX, pts[2].fY); |
| break; |
| case SkPath::kCubic_Verb: |
| str->appendf(" C%g,%g,%g,%g,%g,%g", pts[1].fX, pts[1].fY, |
| pts[2].fX, pts[2].fY, pts[3].fX, pts[3].fY); |
| break; |
| case SkPath::kClose_Verb: |
| str->append("X"); |
| break; |
| case SkPath::kDone_Verb: |
| return; |
| } |
| } |
| } |
| |
| static void toString(const SkPath& path, SkString* str) { |
| if (path.isEmpty()) { |
| str->append("path:empty"); |
| } else { |
| toString(path.getBounds(), str); |
| #if 1 |
| SkString s; |
| dumpVerbs(path, &s); |
| str->append(s.c_str()); |
| #endif |
| str->append("]"); |
| str->prepend("path:["); |
| } |
| } |
| |
| static const char* toString(SkRegion::Op op) { |
| static const char* gOpNames[] = { |
| "DIFF", "SECT", "UNION", "XOR", "RDIFF", "REPLACE" |
| }; |
| return gOpNames[op]; |
| } |
| |
| static void toString(const SkRegion& rgn, SkString* str) { |
| str->append("Region:["); |
| toString(rgn.getBounds(), str); |
| str->append("]"); |
| if (rgn.isComplex()) { |
| str->append(".complex"); |
| } |
| } |
| |
| static const char* toString(SkCanvas::VertexMode vm) { |
| static const char* gVMNames[] = { |
| "TRIANGLES", "STRIP", "FAN" |
| }; |
| return gVMNames[vm]; |
| } |
| |
| static const char* toString(SkCanvas::PointMode pm) { |
| static const char* gPMNames[] = { |
| "POINTS", "LINES", "POLYGON" |
| }; |
| return gPMNames[pm]; |
| } |
| |
| static void toString(const void* text, size_t byteLen, SkPaint::TextEncoding enc, |
| SkString* str) { |
| // FIXME: this code appears to be untested - and probably unused - and probably wrong |
| switch (enc) { |
| case SkPaint::kUTF8_TextEncoding: |
| str->appendf("\"%.*s\"%s", SkMax32(byteLen, 32), (const char*) text, |
| byteLen > 32 ? "..." : ""); |
| break; |
| case SkPaint::kUTF16_TextEncoding: |
| str->appendf("\"%.*ls\"%s", SkMax32(byteLen, 32), (const wchar_t*) text, |
| byteLen > 64 ? "..." : ""); |
| break; |
| case SkPaint::kUTF32_TextEncoding: |
| str->appendf("\"%.*ls\"%s", SkMax32(byteLen, 32), (const wchar_t*) text, |
| byteLen > 128 ? "..." : ""); |
| break; |
| case SkPaint::kGlyphID_TextEncoding: |
| str->append("<glyphs>"); |
| break; |
| |
| default: |
| SkASSERT(false); |
| break; |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static SkBitmap make_wideopen_bm() { |
| static const int WIDE_OPEN = 16384; |
| |
| SkBitmap bm; |
| bm.setConfig(SkBitmap::kNo_Config, WIDE_OPEN, WIDE_OPEN); |
| return bm; |
| } |
| |
| SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(make_wideopen_bm()) { |
| fNestLevel = 0; |
| SkSafeRef(dumper); |
| fDumper = dumper; |
| } |
| |
| SkDumpCanvas::~SkDumpCanvas() { |
| SkSafeUnref(fDumper); |
| } |
| |
| void SkDumpCanvas::dump(Verb verb, const SkPaint* paint, |
| const char format[], ...) { |
| static const size_t BUFFER_SIZE = 1024; |
| |
| char buffer[BUFFER_SIZE]; |
| va_list args; |
| va_start(args, format); |
| vsnprintf(buffer, BUFFER_SIZE, format, args); |
| va_end(args); |
| |
| if (fDumper) { |
| fDumper->dump(this, verb, buffer, paint); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| int SkDumpCanvas::save(SaveFlags flags) { |
| this->dump(kSave_Verb, NULL, "save(0x%X)", flags); |
| return this->INHERITED::save(flags); |
| } |
| |
| int SkDumpCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint, |
| SaveFlags flags) { |
| SkString str; |
| str.printf("saveLayer(0x%X)", flags); |
| if (bounds) { |
| str.append(" bounds"); |
| toString(*bounds, &str); |
| } |
| if (paint) { |
| if (paint->getAlpha() != 0xFF) { |
| str.appendf(" alpha:0x%02X", paint->getAlpha()); |
| } |
| if (paint->getXfermode()) { |
| str.appendf(" xfermode:%p", paint->getXfermode()); |
| } |
| } |
| this->dump(kSave_Verb, paint, str.c_str()); |
| return this->INHERITED::saveLayer(bounds, paint, flags); |
| } |
| |
| void SkDumpCanvas::restore() { |
| this->INHERITED::restore(); |
| this->dump(kRestore_Verb, NULL, "restore"); |
| } |
| |
| bool SkDumpCanvas::translate(SkScalar dx, SkScalar dy) { |
| this->dump(kMatrix_Verb, NULL, "translate(%g %g)", |
| SkScalarToFloat(dx), SkScalarToFloat(dy)); |
| return this->INHERITED::translate(dx, dy); |
| } |
| |
| bool SkDumpCanvas::scale(SkScalar sx, SkScalar sy) { |
| this->dump(kMatrix_Verb, NULL, "scale(%g %g)", |
| SkScalarToFloat(sx), SkScalarToFloat(sy)); |
| return this->INHERITED::scale(sx, sy); |
| } |
| |
| bool SkDumpCanvas::rotate(SkScalar degrees) { |
| this->dump(kMatrix_Verb, NULL, "rotate(%g)", SkScalarToFloat(degrees)); |
| return this->INHERITED::rotate(degrees); |
| } |
| |
| bool SkDumpCanvas::skew(SkScalar sx, SkScalar sy) { |
| this->dump(kMatrix_Verb, NULL, "skew(%g %g)", |
| SkScalarToFloat(sx), SkScalarToFloat(sy)); |
| return this->INHERITED::skew(sx, sy); |
| } |
| |
| bool SkDumpCanvas::concat(const SkMatrix& matrix) { |
| SkString str; |
| matrix.toString(&str); |
| this->dump(kMatrix_Verb, NULL, "concat(%s)", str.c_str()); |
| return this->INHERITED::concat(matrix); |
| } |
| |
| void SkDumpCanvas::setMatrix(const SkMatrix& matrix) { |
| SkString str; |
| matrix.toString(&str); |
| this->dump(kMatrix_Verb, NULL, "setMatrix(%s)", str.c_str()); |
| this->INHERITED::setMatrix(matrix); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static const char* bool_to_aastring(bool doAA) { |
| return doAA ? "AA" : "BW"; |
| } |
| |
| bool SkDumpCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
| SkString str; |
| toString(rect, &str); |
| this->dump(kClip_Verb, NULL, "clipRect(%s %s %s)", str.c_str(), toString(op), |
| bool_to_aastring(doAA)); |
| return this->INHERITED::clipRect(rect, op, doAA); |
| } |
| |
| bool SkDumpCanvas::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
| SkString str; |
| toString(rrect, &str); |
| this->dump(kClip_Verb, NULL, "clipRRect(%s %s %s)", str.c_str(), toString(op), |
| bool_to_aastring(doAA)); |
| return this->INHERITED::clipRRect(rrect, op, doAA); |
| } |
| |
| bool SkDumpCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
| SkString str; |
| toString(path, &str); |
| this->dump(kClip_Verb, NULL, "clipPath(%s %s %s)", str.c_str(), toString(op), |
| bool_to_aastring(doAA)); |
| return this->INHERITED::clipPath(path, op, doAA); |
| } |
| |
| bool SkDumpCanvas::clipRegion(const SkRegion& deviceRgn, SkRegion::Op op) { |
| SkString str; |
| toString(deviceRgn, &str); |
| this->dump(kClip_Verb, NULL, "clipRegion(%s %s)", str.c_str(), |
| toString(op)); |
| return this->INHERITED::clipRegion(deviceRgn, op); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void SkDumpCanvas::drawPaint(const SkPaint& paint) { |
| this->dump(kDrawPaint_Verb, &paint, "drawPaint()"); |
| } |
| |
| void SkDumpCanvas::drawPoints(PointMode mode, size_t count, |
| const SkPoint pts[], const SkPaint& paint) { |
| this->dump(kDrawPoints_Verb, &paint, "drawPoints(%s, %d)", toString(mode), |
| count); |
| } |
| |
| void SkDumpCanvas::drawOval(const SkRect& rect, const SkPaint& paint) { |
| SkString str; |
| toString(rect, &str); |
| this->dump(kDrawOval_Verb, &paint, "drawOval(%s)", str.c_str()); |
| } |
| |
| void SkDumpCanvas::drawRect(const SkRect& rect, const SkPaint& paint) { |
| SkString str; |
| toString(rect, &str); |
| this->dump(kDrawRect_Verb, &paint, "drawRect(%s)", str.c_str()); |
| } |
| |
| void SkDumpCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| SkString str; |
| toString(rrect, &str); |
| this->dump(kDrawRRect_Verb, &paint, "drawRRect(%s)", str.c_str()); |
| } |
| |
| void SkDumpCanvas::drawPath(const SkPath& path, const SkPaint& paint) { |
| SkString str; |
| toString(path, &str); |
| this->dump(kDrawPath_Verb, &paint, "drawPath(%s)", str.c_str()); |
| } |
| |
| void SkDumpCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, |
| const SkPaint* paint) { |
| SkString str; |
| bitmap.toString(&str); |
| this->dump(kDrawBitmap_Verb, paint, "drawBitmap(%s %g %g)", str.c_str(), |
| SkScalarToFloat(x), SkScalarToFloat(y)); |
| } |
| |
| void SkDumpCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
| const SkRect& dst, const SkPaint* paint) { |
| SkString bs, rs; |
| bitmap.toString(&bs); |
| toString(dst, &rs); |
| // show the src-rect only if its not everything |
| if (src && (src->fLeft > 0 || src->fTop > 0 || |
| src->fRight < SkIntToScalar(bitmap.width()) || |
| src->fBottom < SkIntToScalar(bitmap.height()))) { |
| SkString ss; |
| toString(*src, &ss); |
| rs.prependf("%s ", ss.c_str()); |
| } |
| |
| this->dump(kDrawBitmap_Verb, paint, "drawBitmapRectToRect(%s %s)", |
| bs.c_str(), rs.c_str()); |
| } |
| |
| void SkDumpCanvas::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, |
| const SkPaint* paint) { |
| SkString bs, ms; |
| bitmap.toString(&bs); |
| m.toString(&ms); |
| this->dump(kDrawBitmap_Verb, paint, "drawBitmapMatrix(%s %s)", |
| bs.c_str(), ms.c_str()); |
| } |
| |
| void SkDumpCanvas::drawSprite(const SkBitmap& bitmap, int x, int y, |
| const SkPaint* paint) { |
| SkString str; |
| bitmap.toString(&str); |
| this->dump(kDrawBitmap_Verb, paint, "drawSprite(%s %d %d)", str.c_str(), |
| x, y); |
| } |
| |
| void SkDumpCanvas::drawText(const void* text, size_t byteLength, SkScalar x, |
| SkScalar y, const SkPaint& paint) { |
| SkString str; |
| toString(text, byteLength, paint.getTextEncoding(), &str); |
| this->dump(kDrawText_Verb, &paint, "drawText(%s [%d] %g %g)", str.c_str(), |
| byteLength, SkScalarToFloat(x), SkScalarToFloat(y)); |
| } |
| |
| void SkDumpCanvas::drawPosText(const void* text, size_t byteLength, |
| const SkPoint pos[], const SkPaint& paint) { |
| SkString str; |
| toString(text, byteLength, paint.getTextEncoding(), &str); |
| this->dump(kDrawText_Verb, &paint, "drawPosText(%s [%d] %g %g ...)", |
| str.c_str(), byteLength, SkScalarToFloat(pos[0].fX), |
| SkScalarToFloat(pos[0].fY)); |
| } |
| |
| void SkDumpCanvas::drawPosTextH(const void* text, size_t byteLength, |
| const SkScalar xpos[], SkScalar constY, |
| const SkPaint& paint) { |
| SkString str; |
| toString(text, byteLength, paint.getTextEncoding(), &str); |
| this->dump(kDrawText_Verb, &paint, "drawPosTextH(%s [%d] %g %g ...)", |
| str.c_str(), byteLength, SkScalarToFloat(xpos[0]), |
| SkScalarToFloat(constY)); |
| } |
| |
| void SkDumpCanvas::drawTextOnPath(const void* text, size_t byteLength, |
| const SkPath& path, const SkMatrix* matrix, |
| const SkPaint& paint) { |
| SkString str; |
| toString(text, byteLength, paint.getTextEncoding(), &str); |
| this->dump(kDrawText_Verb, &paint, "drawTextOnPath(%s [%d])", |
| str.c_str(), byteLength); |
| } |
| |
| void SkDumpCanvas::drawPicture(SkPicture& picture) { |
| this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %d:%d", &picture, |
| picture.width(), picture.height()); |
| fNestLevel += 1; |
| this->INHERITED::drawPicture(picture); |
| fNestLevel -= 1; |
| this->dump(kDrawPicture_Verb, NULL, "endPicture(%p) %d:%d", &picture, |
| picture.width(), picture.height()); |
| } |
| |
| void SkDumpCanvas::drawVertices(VertexMode vmode, int vertexCount, |
| const SkPoint vertices[], const SkPoint texs[], |
| const SkColor colors[], SkXfermode* xmode, |
| const uint16_t indices[], int indexCount, |
| const SkPaint& paint) { |
| this->dump(kDrawVertices_Verb, &paint, "drawVertices(%s [%d] %g %g ...)", |
| toString(vmode), vertexCount, SkScalarToFloat(vertices[0].fX), |
| SkScalarToFloat(vertices[0].fY)); |
| } |
| |
| void SkDumpCanvas::drawData(const void* data, size_t length) { |
| // this->dump(kDrawData_Verb, NULL, "drawData(%d)", length); |
| this->dump(kDrawData_Verb, NULL, "drawData(%d) %.*s", length, |
| SkMin32(length, 64), data); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| SkFormatDumper::SkFormatDumper(void (*proc)(const char*, void*), void* refcon) { |
| fProc = proc; |
| fRefcon = refcon; |
| } |
| |
| static void appendPtr(SkString* str, const void* ptr, const char name[]) { |
| if (ptr) { |
| str->appendf(" %s:%p", name, ptr); |
| } |
| } |
| |
| static void appendFlattenable(SkString* str, const SkFlattenable* ptr, |
| const char name[]) { |
| if (ptr) { |
| str->appendf(" %s:%p", name, ptr); |
| } |
| } |
| |
| void SkFormatDumper::dump(SkDumpCanvas* canvas, SkDumpCanvas::Verb verb, |
| const char str[], const SkPaint* p) { |
| SkString msg, tab; |
| const int level = canvas->getNestLevel() + canvas->getSaveCount() - 1; |
| SkASSERT(level >= 0); |
| for (int i = 0; i < level; i++) { |
| #if 0 |
| tab.append("\t"); |
| #else |
| tab.append(" "); // tabs are often too wide to be useful |
| #endif |
| } |
| msg.printf("%s%s", tab.c_str(), str); |
| |
| if (p) { |
| msg.appendf(" color:0x%08X flags:%X", p->getColor(), p->getFlags()); |
| appendFlattenable(&msg, p->getShader(), "shader"); |
| appendFlattenable(&msg, p->getXfermode(), "xfermode"); |
| appendFlattenable(&msg, p->getPathEffect(), "pathEffect"); |
| appendFlattenable(&msg, p->getMaskFilter(), "maskFilter"); |
| appendFlattenable(&msg, p->getPathEffect(), "pathEffect"); |
| appendFlattenable(&msg, p->getColorFilter(), "filter"); |
| |
| if (SkDumpCanvas::kDrawText_Verb == verb) { |
| msg.appendf(" textSize:%g", SkScalarToFloat(p->getTextSize())); |
| appendPtr(&msg, p->getTypeface(), "typeface"); |
| } |
| } |
| |
| fProc(msg.c_str(), fRefcon); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void dumpToDebugf(const char text[], void*) { |
| SkDebugf("%s\n", text); |
| } |
| |
| SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, NULL) {} |
| |
| #endif |
