add test for poly2poly
git-svn-id: http://skia.googlecode.com/svn/trunk@805 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SamplePolyToPoly.cpp b/samplecode/SamplePolyToPoly.cpp
index 98e4484..4b6686d 100644
--- a/samplecode/SamplePolyToPoly.cpp
+++ b/samplecode/SamplePolyToPoly.cpp
@@ -9,7 +9,7 @@
extern bool SkSetPoly3To3(SkMatrix* matrix, const SkPoint src[3], const SkPoint dst[3]);
class PolyToPolyView : public SkView {
-public:
+public:
PolyToPolyView() {
// tests
{
@@ -17,20 +17,20 @@
SkPoint dst[] = { 0, 0, 2*SK_Scalar1, 0, 0, 2*SK_Scalar1 };
SkMatrix m1, m2;
bool success;
-
+
success = m1.setPolyToPoly(src, dst, 3);
SkDebugf("--- setPolyToPoly1 %d\n", success);
- m2.reset();
+ m2.reset();
m2.set(SkMatrix::kMScaleX, dst[1].fX - dst[0].fX);
m2.set(SkMatrix::kMSkewX, dst[2].fX - dst[0].fX);
m2.set(SkMatrix::kMTransX, dst[0].fX);
m2.set(SkMatrix::kMSkewY, dst[1].fY - dst[0].fY);
m2.set(SkMatrix::kMScaleY, dst[2].fY - dst[0].fY);
m2.set(SkMatrix::kMTransY, dst[0].fY);
-
+
m1.reset();
-
+
const SkScalar src1[] = {
0, 0, 0, SkFloatToScalar(427), SkFloatToScalar(316), SkFloatToScalar(427), SkFloatToScalar(316), 0
};
@@ -38,10 +38,10 @@
SkFloatToScalar(158), SkFloatToScalar(177.5f), SkFloatToScalar(158), SkFloatToScalar(249.5f),
SkFloatToScalar(158), SkFloatToScalar(604.5f), SkFloatToScalar(158), SkFloatToScalar(-177.5f)
};
-
+
success = m2.setPolyToPoly((const SkPoint*)src1, (SkPoint*)dst1, 4);
SkDebugf("--- setPolyToPoly2 %d\n", success);
-
+
{
const SkPoint src[] = {
SkIntToScalar(1), SkIntToScalar(0),
@@ -53,16 +53,16 @@
SkIntToScalar(45), SkIntToScalar(26),
SkIntToScalar(32), SkIntToScalar(17)
};
-
+
SkMatrix m0, m1;
m0.setPolyToPoly(src, dst, 3);
- SkSetPoly3To3(&m1, src, dst);
+ // SkSetPoly3To3(&m1, src, dst);
m0.dump();
m1.dump();
}
}
}
-
+
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
@@ -73,7 +73,7 @@
}
return this->INHERITED::onQuery(evt);
}
-
+
void drawBG(SkCanvas* canvas) {
canvas->drawColor(SK_ColorWHITE);
}
@@ -82,23 +82,23 @@
const int idst[], int count) {
SkMatrix matrix;
SkPoint src[4], dst[4];
-
+
for (int i = 0; i < count; i++) {
src[i].set(SkIntToScalar(isrc[2*i+0]), SkIntToScalar(isrc[2*i+1]));
dst[i].set(SkIntToScalar(idst[2*i+0]), SkIntToScalar(idst[2*i+1]));
}
-
+
canvas->save();
matrix.setPolyToPoly(src, dst, count);
canvas->concat(matrix);
-
+
paint->setColor(SK_ColorGRAY);
paint->setStyle(SkPaint::kStroke_Style);
const SkScalar D = SkIntToScalar(64);
canvas->drawRectCoords(0, 0, D, D, *paint);
canvas->drawLine(0, 0, D, D, *paint);
canvas->drawLine(0, D, D, 0, *paint);
-
+
SkPaint::FontMetrics fm;
paint->getFontMetrics(&fm);
paint->setColor(SK_ColorRED);
@@ -108,13 +108,13 @@
SkString str;
str.appendS32(count);
canvas->drawText(str.c_str(), str.size(), x, y, *paint);
-
+
canvas->restore();
}
-
+
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
-
+
SkPaint paint;
paint.setAntiAlias(true);
paint.setStrokeWidth(SkIntToScalar(4));
@@ -128,7 +128,7 @@
const int dst1[] = { 5, 5 };
doDraw(canvas, &paint, src1, dst1, 1);
canvas->restore();
-
+
canvas->save();
canvas->translate(SkIntToScalar(160), SkIntToScalar(10));
// rotate/uniform-scale (2 points)
@@ -136,7 +136,7 @@
const int dst2[] = { 32, 32, 64, 48 };
doDraw(canvas, &paint, src2, dst2, 2);
canvas->restore();
-
+
canvas->save();
canvas->translate(SkIntToScalar(10), SkIntToScalar(110));
// rotate/skew (3 points)
@@ -144,7 +144,7 @@
const int dst3[] = { 0, 0, 96, 0, 24, 64 };
doDraw(canvas, &paint, src3, dst3, 3);
canvas->restore();
-
+
canvas->save();
canvas->translate(SkIntToScalar(160), SkIntToScalar(110));
// perspective (4 points)
@@ -153,7 +153,7 @@
doDraw(canvas, &paint, src4, dst4, 4);
canvas->restore();
}
-
+
private:
typedef SkView INHERITED;
};