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change SkPath::dump() to output compilable code snippet, to aid in debugging.

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git-svn-id: http://skia.googlecode.com/svn/trunk@7267 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2013-01-17 22:07:50 +00:00
parent 73ca6243b3
commit 51bbe75875
1 changed files with 37 additions and 13 deletions
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50
src/core/SkPath.cpp
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@ -2106,6 +2106,34 @@ uint32_t SkPath::readFromMemory(const void* storage) {
///////////////////////////////////////////////////////////////////////////////
#include "SkString.h"
static void append_scalar(SkString* str, SkScalar value) {
SkString tmp;
tmp.printf("%g", value);
if (tmp.contains('.')) {
tmp.appendUnichar('f');
}
str->append(tmp);
}
static void append_params(SkString* str, const char label[], const SkPoint pts[],
int count) {
str->append(label);
str->append("(");
const SkScalar* values = &pts[0].fX;
count *= 2;
for (int i = 0; i < count; ++i) {
append_scalar(str, values[i]);
if (i < count - 1) {
str->append(", ");
}
}
str->append(");\n");
}
void SkPath::dump(bool forceClose, const char title[]) const {
Iter iter(*this, forceClose);
SkPoint pts[4];
@ -2114,29 +2142,25 @@ void SkPath::dump(bool forceClose, const char title[]) const {
SkDebugf("path: forceClose=%s %s\n", forceClose ? "true" : "false",
title ? title : "");
SkString builder;
while ((verb = iter.next(pts, false)) != kDone_Verb) {
switch (verb) {
case kMove_Verb:
SkDebugf(" path: moveTo [%g %g]\n",
SkScalarToFloat(pts[0].fX), SkScalarToFloat(pts[0].fY));
append_params(&builder, "path.moveTo", &pts[0], 1);
break;
case kLine_Verb:
SkDebugf(" path: lineTo [%g %g]\n",
SkScalarToFloat(pts[1].fX), SkScalarToFloat(pts[1].fY));
append_params(&builder, "path.lineTo", &pts[1], 1);
append_params(&builder, "path.lineTo", &pts[1], 1);
break;
case kQuad_Verb:
SkDebugf(" path: quadTo [%g %g] [%g %g]\n",
SkScalarToFloat(pts[1].fX), SkScalarToFloat(pts[1].fY),
SkScalarToFloat(pts[2].fX), SkScalarToFloat(pts[2].fY));
append_params(&builder, "path.quadTo", &pts[1], 2);
break;
case kCubic_Verb:
SkDebugf(" path: cubeTo [%g %g] [%g %g] [%g %g]\n",
SkScalarToFloat(pts[1].fX), SkScalarToFloat(pts[1].fY),
SkScalarToFloat(pts[2].fX), SkScalarToFloat(pts[2].fY),
SkScalarToFloat(pts[3].fX), SkScalarToFloat(pts[3].fY));
append_params(&builder, "path.cubicTo", &pts[1], 3);
break;
case kClose_Verb:
SkDebugf(" path: close\n");
builder.append("path.close();");
break;
default:
SkDebugf(" path: UNKNOWN VERB %d, aborting dump...\n", verb);
@ -2144,7 +2168,7 @@ void SkPath::dump(bool forceClose, const char title[]) const {
break;
}
}
SkDebugf("path: done %s\n", title ? title : "");
SkDebugf("%s\n", builder.c_str());
}
void SkPath::dump() const {