| /* | |
| * 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 "SkPatchUtils.h" | |
| #include "SkPicture.h" | |
| #include "SkPixelRef.h" | |
| #include "SkRRect.h" | |
| #include "SkString.h" | |
| #include <stdarg.h> | |
| #include <stdio.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" | |
| 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; | |
| case SkPath::kConic_Verb: | |
| SkASSERT(0); | |
| break; | |
| } | |
| } | |
| } | |
| 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", (int)SkTMax<size_t>(byteLen, 32), (const char*) text, | |
| byteLen > 32 ? "..." : ""); | |
| break; | |
| case SkPaint::kUTF16_TextEncoding: | |
| str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text, | |
| byteLen > 64 ? "..." : ""); | |
| break; | |
| case SkPaint::kUTF32_TextEncoding: | |
| str->appendf("\"%.*ls\"%s", (int)SkTMax<size_t>(byteLen, 32), (const wchar_t*) text, | |
| byteLen > 128 ? "..." : ""); | |
| break; | |
| case SkPaint::kGlyphID_TextEncoding: | |
| str->append("<glyphs>"); | |
| break; | |
| default: | |
| SkASSERT(false); | |
| break; | |
| } | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| #define WIDE_OPEN 16384 | |
| SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(WIDE_OPEN, WIDE_OPEN) { | |
| 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); | |
| } | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| void SkDumpCanvas::willSave() { | |
| this->dump(kSave_Verb, NULL, "save()"); | |
| this->INHERITED::willSave(); | |
| } | |
| SkCanvas::SaveLayerStrategy SkDumpCanvas::willSaveLayer(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::willSaveLayer(bounds, paint, flags); | |
| } | |
| void SkDumpCanvas::willRestore() { | |
| this->dump(kRestore_Verb, NULL, "restore"); | |
| this->INHERITED::willRestore(); | |
| } | |
| void SkDumpCanvas::didConcat(const SkMatrix& matrix) { | |
| SkString str; | |
| switch (matrix.getType()) { | |
| case SkMatrix::kTranslate_Mask: | |
| this->dump(kMatrix_Verb, NULL, "translate(%g %g)", | |
| SkScalarToFloat(matrix.getTranslateX()), | |
| SkScalarToFloat(matrix.getTranslateY())); | |
| break; | |
| case SkMatrix::kScale_Mask: | |
| this->dump(kMatrix_Verb, NULL, "scale(%g %g)", | |
| SkScalarToFloat(matrix.getScaleX()), | |
| SkScalarToFloat(matrix.getScaleY())); | |
| break; | |
| default: | |
| matrix.toString(&str); | |
| this->dump(kMatrix_Verb, NULL, "concat(%s)", str.c_str()); | |
| break; | |
| } | |
| this->INHERITED::didConcat(matrix); | |
| } | |
| void SkDumpCanvas::didSetMatrix(const SkMatrix& matrix) { | |
| SkString str; | |
| matrix.toString(&str); | |
| this->dump(kMatrix_Verb, NULL, "setMatrix(%s)", str.c_str()); | |
| this->INHERITED::didSetMatrix(matrix); | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| const char* SkDumpCanvas::EdgeStyleToAAString(ClipEdgeStyle edgeStyle) { | |
| return kSoft_ClipEdgeStyle == edgeStyle ? "AA" : "BW"; | |
| } | |
| void SkDumpCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { | |
| SkString str; | |
| toString(rect, &str); | |
| this->dump(kClip_Verb, NULL, "clipRect(%s %s %s)", str.c_str(), toString(op), | |
| EdgeStyleToAAString(edgeStyle)); | |
| this->INHERITED::onClipRect(rect, op, edgeStyle); | |
| } | |
| void SkDumpCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { | |
| SkString str; | |
| toString(rrect, &str); | |
| this->dump(kClip_Verb, NULL, "clipRRect(%s %s %s)", str.c_str(), toString(op), | |
| EdgeStyleToAAString(edgeStyle)); | |
| this->INHERITED::onClipRRect(rrect, op, edgeStyle); | |
| } | |
| void SkDumpCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { | |
| SkString str; | |
| toString(path, &str); | |
| this->dump(kClip_Verb, NULL, "clipPath(%s %s %s)", str.c_str(), toString(op), | |
| EdgeStyleToAAString(edgeStyle)); | |
| this->INHERITED::onClipPath(path, op, edgeStyle); | |
| } | |
| void SkDumpCanvas::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) { | |
| SkString str; | |
| toString(deviceRgn, &str); | |
| this->dump(kClip_Verb, NULL, "clipRegion(%s %s)", str.c_str(), | |
| toString(op)); | |
| this->INHERITED::onClipRegion(deviceRgn, op); | |
| } | |
| void SkDumpCanvas::onPushCull(const SkRect& cullRect) { | |
| SkString str; | |
| toString(cullRect, &str); | |
| this->dump(kCull_Verb, NULL, "pushCull(%s)", str.c_str()); | |
| } | |
| void SkDumpCanvas::onPopCull() { | |
| this->dump(kCull_Verb, NULL, "popCull()"); | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| 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(kDrawDRRect_Verb, &paint, "drawRRect(%s)", str.c_str()); | |
| } | |
| void SkDumpCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, | |
| const SkPaint& paint) { | |
| SkString str0, str1; | |
| toString(outer, &str0); | |
| toString(inner, &str0); | |
| this->dump(kDrawRRect_Verb, &paint, "drawDRRect(%s,%s)", | |
| str0.c_str(), str1.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, | |
| DrawBitmapRectFlags flags) { | |
| 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::onDrawText(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::onDrawPosText(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::onDrawPosTextH(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::onDrawTextOnPath(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::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, | |
| const SkPaint* paint) { | |
| this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %d:%d", picture, | |
| picture->width(), picture->height()); | |
| fNestLevel += 1; | |
| this->INHERITED::onDrawPicture(picture, matrix, paint); | |
| 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::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], | |
| const SkPoint texCoords[4], SkXfermode* xmode, | |
| const SkPaint& paint) { | |
| //dumps corner points and colors in clockwise order starting on upper-left corner | |
| this->dump(kDrawPatch_Verb, &paint, "drawPatch(Vertices{[%f, %f], [%f, %f], [%f, %f], [%f, %f]}\ | |
| | Colors{[0x%x], [0x%x], [0x%x], [0x%x]} | TexCoords{[%f,%f], [%f,%f], [%f,%f], \ | |
| [%f,%f]})", | |
| cubics[SkPatchUtils::kTopP0_CubicCtrlPts].fX, | |
| cubics[SkPatchUtils::kTopP0_CubicCtrlPts].fY, | |
| cubics[SkPatchUtils::kTopP3_CubicCtrlPts].fX, | |
| cubics[SkPatchUtils::kTopP3_CubicCtrlPts].fY, | |
| cubics[SkPatchUtils::kBottomP3_CubicCtrlPts].fX, | |
| cubics[SkPatchUtils::kBottomP3_CubicCtrlPts].fY, | |
| cubics[SkPatchUtils::kBottomP0_CubicCtrlPts].fX, | |
| cubics[SkPatchUtils::kBottomP0_CubicCtrlPts].fY, | |
| colors[0], colors[1], colors[2], colors[3], | |
| texCoords[0].x(), texCoords[0].y(), texCoords[1].x(), texCoords[1].y(), | |
| texCoords[2].x(), texCoords[2].y(), texCoords[3].x(), texCoords[3].y()); | |
| } | |
| 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, | |
| SkTMin<size_t>(length, 64), data); | |
| } | |
| void SkDumpCanvas::beginCommentGroup(const char* description) { | |
| this->dump(kBeginCommentGroup_Verb, NULL, "beginCommentGroup(%s)", description); | |
| } | |
| void SkDumpCanvas::addComment(const char* kywd, const char* value) { | |
| this->dump(kAddComment_Verb, NULL, "addComment(%s, %s)", kywd, value); | |
| } | |
| void SkDumpCanvas::endCommentGroup() { | |
| this->dump(kEndCommentGroup_Verb, NULL, "endCommentGroup()"); | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| /////////////////////////////////////////////////////////////////////////////// | |
| 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"); | |
| } | |
| if (p->getStyle() != SkPaint::kFill_Style) { | |
| msg.appendf(" strokeWidth:%g", SkScalarToFloat(p->getStrokeWidth())); | |
| } | |
| } | |
| fProc(msg.c_str(), fRefcon); | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| static void dumpToDebugf(const char text[], void*) { | |
| SkDebugf("%s\n", text); | |
| } | |
| SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, NULL) {} | |
| #endif |