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authorGravatar caryclark@google.com <caryclark@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>2012-10-09 14:11:58 +0000
committerGravatar caryclark@google.com <caryclark@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>2012-10-09 14:11:58 +0000
commit6aea33f92c611d6fdc88bc2352c5c966168af83b (patch)
tree0afc954993f542c618413c659d21f1680065221a /experimental/Intersection/QuadraticIntersection_Test.cpp
parent9598f4256d729434a9e7273a7de1e4876eaacee9 (diff)
checkpoint for shape ops
at minimum, the unit tests in SimplyNew_Test pass git-svn-id: http://skia.googlecode.com/svn/trunk@5860 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'experimental/Intersection/QuadraticIntersection_Test.cpp')
-rw-r--r--experimental/Intersection/QuadraticIntersection_Test.cpp33
1 files changed, 31 insertions, 2 deletions
diff --git a/experimental/Intersection/QuadraticIntersection_Test.cpp b/experimental/Intersection/QuadraticIntersection_Test.cpp
index 08736cc948..e077bd5f93 100644
--- a/experimental/Intersection/QuadraticIntersection_Test.cpp
+++ b/experimental/Intersection/QuadraticIntersection_Test.cpp
@@ -59,6 +59,10 @@ static void standardTestCases() {
}
static const Quadratic testSet[] = {
+ {{400.121704, 149.468719}, {391.949493, 161.037186}, {391.949493, 181.202423}},
+ {{391.946747, 181.839218}, {391.946747, 155.62442}, {406.115479, 138.855438}},
+ {{360.048828125, 229.2578125}, {360.048828125, 224.4140625}, {362.607421875, 221.3671875}},
+ {{362.607421875, 221.3671875}, {365.166015625, 218.3203125}, {369.228515625, 218.3203125}},
{{8, 8}, {10, 10}, {8, -10}},
{{8, 8}, {12, 12}, {14, 4}},
{{8, 8}, {9, 9}, {10, 8}}
@@ -71,12 +75,13 @@ static void oneOffTest() {
for (size_t inner = outer + 1; inner < testSetCount; ++inner) {
const Quadratic& quad1 = testSet[outer];
const Quadratic& quad2 = testSet[inner];
+ double tt1, tt2;
+ #if 0 // enable to test bezier clip style intersection
Intersections intersections;
intersect(quad1, quad2, intersections);
if (!intersections.intersected()) {
SkDebugf("%s no intersection!\n", __FUNCTION__);
}
- double tt1, tt2;
for (int pt = 0; pt < intersections.used(); ++pt) {
tt1 = intersections.fT[0][pt];
double tx1, ty1;
@@ -97,8 +102,10 @@ static void oneOffTest() {
SkDebugf("%s [%d][%d] t1=%1.9g (%1.9g, %1.9g) t2=%1.9g\n", __FUNCTION__,
outer, inner, tt1, tx1, tx2, tt2);
}
+ #endif
Intersections intersections2;
intersect2(quad1, quad2, intersections2);
+ #if 0
SkASSERT(intersections.used() == intersections2.used());
for (int pt = 0; pt < intersections2.used(); ++pt) {
tt1 = intersections2.fT[0][pt];
@@ -106,6 +113,28 @@ static void oneOffTest() {
tt2 = intersections2.fT[1][pt];
SkASSERT(approximately_equal(intersections.fT[1][pt], tt2));
}
+ #endif
+ for (int pt = 0; pt < intersections2.used(); ++pt) {
+ tt1 = intersections2.fT[0][pt];
+ double tx1, ty1;
+ xy_at_t(quad1, tt1, tx1, ty1);
+ int pt2 = intersections2.fFlip ? intersections2.used() - pt - 1 : pt;
+ tt2 = intersections2.fT[1][pt2];
+ double tx2, ty2;
+ xy_at_t(quad2, tt2, tx2, ty2);
+ if (!approximately_equal(tx1, tx2)) {
+ SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
+ __FUNCTION__, (int)index, pt, tt1, tx1, ty1, tt2, tx2, ty2);
+ SkASSERT(0);
+ }
+ if (!approximately_equal(ty1, ty2)) {
+ SkDebugf("%s [%d,%d] y!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
+ __FUNCTION__, (int)index, pt, tt1, tx1, ty1, tt2, tx2, ty2);
+ SkASSERT(0);
+ }
+ SkDebugf("%s [%d][%d] t1=%1.9g (%1.9g, %1.9g) t2=%1.9g\n", __FUNCTION__,
+ outer, inner, tt1, tx1, tx2, tt2);
+ }
}
}
}
@@ -148,7 +177,7 @@ static void coincidentTest() {
}
void QuadraticIntersection_Test() {
- coincidentTest();
oneOffTest();
+ coincidentTest();
standardTestCases();
}