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/*
* 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;
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", 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,
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::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);
}
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
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