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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 "SkDebugDumper.h"
#include "SkString.h"
#include "SkPaint.h"
#include "SkShader.h"
#include "SkPathEffect.h"
#include "SkXfermode.h"
#include "SkColorFilter.h"
#include "SkPathEffect.h"
#include "SkMaskFilter.h"
#include "DebuggerViews.h"
SkDebugDumper::SkDebugDumper(SkEventSinkID cID, SkEventSinkID clID,
SkEventSinkID ipID) {
fContentID = cID;
fCommandsID = clID;
fStateID = ipID;
fInit = false;
fDisabled = false;
fCount = 0;
}
static void appendPtr(SkString* str, const void* ptr, const char name[]) {
if (ptr) {
str->appendf("$s: %p\t", name, ptr);
}
}
static void appendFlattenable(SkString* str, const SkFlattenable* ptr,
const char name[]) {
if (ptr) {
str->appendf("%s: %p\n", name, ptr);
}
}
static SkString dumpMatrix(SkDumpCanvas* canvas) {
SkString str;
SkMatrix m = canvas->getTotalMatrix();
str.append("Matrix:");
str.appendf("Translate (%0.4g, %0.4g) ",
SkScalarToFloat(m.get(SkMatrix::kMTransX)),
SkScalarToFloat(m.get(SkMatrix::kMTransY)));
str.appendf("Scale (%0.4g, %0.4g) ",
SkScalarToFloat(m.get(SkMatrix::kMScaleX)),
SkScalarToFloat(m.get(SkMatrix::kMScaleY)));
str.appendf("Skew (%0.4g, %0.4g) ",
SkScalarToFloat(m.get(SkMatrix::kMSkewX)),
SkScalarToFloat(m.get(SkMatrix::kMSkewY)));
str.appendf("Perspective (%0.4g, %0.4g, %0.4g) ",
SkScalarToFloat(SkPerspToScalar(m.get(SkMatrix::kMPersp0))),
SkScalarToFloat(SkPerspToScalar(m.get(SkMatrix::kMPersp1))),
SkScalarToFloat(SkPerspToScalar(m.get(SkMatrix::kMPersp2))));
return str;
}
static const int maxPts = 50;
static SkString dumpClip(SkDumpCanvas* canvas) {
SkString str;
SkPath p;
if (canvas->getTotalClip().getBoundaryPath(&p)) {
SkPoint pts[maxPts];
int numPts = p.getPoints(pts, maxPts);
str.append("Clip: [ ");
for (int i = 0; i < numPts; ++i) {
str.appendf("(%0.4g, %0.4g)", pts[i].x(), pts[i].y());
if (i < numPts-1)
str.append(" , ");
}
str.append(" ]");
}
return str;
}
static const char* gPaintFlags[] = {
"AntiAliasing",
"Bitmap Filtering",
"Dithering",
"Underline Text",
"Strike-Through Text",
"Fake Bold Text",
"Linear Text",
"Subpixel Positioned Text",
"Device Kerning Text",
"LCD/Subpixel Glyph Rendering",
"Embedded Bitmap Text",
"Freetype Autohinting",
"ALL"
};
static SkString dumpPaint(SkDumpCanvas* canvas, const SkPaint* p,
SkDumpCanvas::Verb verb) {
SkString str;
str.appendf("Color: #%08X\n", p->getColor());
str.appendf("Flags: %s\n", gPaintFlags[p->getFlags()]);
appendFlattenable(&str, p->getShader(), "shader");
appendFlattenable(&str, p->getXfermode(), "xfermode");
appendFlattenable(&str, p->getPathEffect(), "pathEffect");
appendFlattenable(&str, p->getMaskFilter(), "maskFilter");
appendFlattenable(&str, p->getPathEffect(), "pathEffect");
appendFlattenable(&str, p->getColorFilter(), "filter");
if (SkDumpCanvas::kDrawText_Verb == verb) {
str.appendf("Text Size:%0.4g\n", SkScalarToFloat(p->getTextSize()));
appendPtr(&str, p->getTypeface(), "typeface");
}
return str;
}
void SkDebugDumper::dump(SkDumpCanvas* canvas, SkDumpCanvas::Verb verb,
const char str[], const SkPaint* p) {
if (!fDisabled) {
SkString msg, tab;
const int level = canvas->getNestLevel() + canvas->getSaveCount() - 1;
SkASSERT(level >= 0);
for (int i = 0; i < level; i++) {
tab.append("| ");
}
msg.appendf("%03d: %s%s\n", fCount, tab.c_str(), str);
++fCount;
if (!fInit) {
SkEvent* cmd = new SkEvent(SKDEBUGGER_COMMANDTYPE, fCommandsID);
cmd->setString(SKDEBUGGER_ATOM, msg);
cmd->postDelay(100);
}
else {
SkEvent* state = new SkEvent(SKDEBUGGER_STATETYPE, fStateID);
state->setString(SKDEBUGGER_MATRIX, dumpMatrix(canvas));
state->setString(SKDEBUGGER_CLIP, dumpClip(canvas));
if (p) {
state->setString(SKDEBUGGER_PAINTINFO, dumpPaint(canvas, p, verb));
state->getMetaData().setPtr(SKDEBUGGER_PAINT, (void*)p, PaintProc);
}
state->post();
}
}
}
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