skia2/tests/PathOpsDRectTest.cpp

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PathOpsTestCommon.h"
#include "SkPathOpsCubic.h"
#include "SkPathOpsLine.h"
#include "SkPathOpsQuad.h"
#include "SkPathOpsRect.h"
#include "Test.h"
static const SkDQuad quadTests[] = {
{{{1, 1}, {2, 1}, {0, 2}}},
{{{0, 0}, {1, 1}, {3, 1}}},
{{{2, 0}, {1, 1}, {2, 2}}},
{{{4, 0}, {0, 1}, {4, 2}}},
{{{0, 0}, {0, 1}, {1, 1}}},
};
static const SkDCubic cubicTests[] = {
{{{2, 0}, {3, 1}, {2, 2}, {1, 1}}},
{{{3, 1}, {2, 2}, {1, 1}, {2, 0}}},
{{{3, 0}, {2, 1}, {3, 2}, {1, 1}}},
};
static const size_t quadTests_count = SK_ARRAY_COUNT(quadTests);
static const size_t cubicTests_count = SK_ARRAY_COUNT(cubicTests);
static void setRawBounds(const SkDQuad& quad, SkDRect* rect) {
rect->set(quad[0]);
rect->add(quad[1]);
rect->add(quad[2]);
}
static void setRawBounds(const SkDCubic& cubic, SkDRect* rect) {
rect->set(cubic[0]);
rect->add(cubic[1]);
rect->add(cubic[2]);
rect->add(cubic[3]);
}
DEF_TEST(PathOpsDRect, reporter) {
size_t index;
SkDRect rect, rect2;
for (index = 0; index < quadTests_count; ++index) {
const SkDQuad& quad = quadTests[index];
SkASSERT(ValidQuad(quad));
setRawBounds(quad, &rect);
rect2.setBounds(quad);
REPORTER_ASSERT(reporter, rect.intersects(rect2));
// FIXME: add a recursive box subdivision method to verify that tight bounds is correct
SkDPoint leftTop = {rect2.fLeft, rect2.fTop};
REPORTER_ASSERT(reporter, rect.contains(leftTop));
SkDPoint rightBottom = {rect2.fRight, rect2.fBottom};
REPORTER_ASSERT(reporter, rect.contains(rightBottom));
}
for (index = 0; index < cubicTests_count; ++index) {
const SkDCubic& cubic = cubicTests[index];
SkASSERT(ValidCubic(cubic));
setRawBounds(cubic, &rect);
rect2.setBounds(cubic);
REPORTER_ASSERT(reporter, rect.intersects(rect2));
// FIXME: add a recursive box subdivision method to verify that tight bounds is correct
SkDPoint leftTop = {rect2.fLeft, rect2.fTop};
REPORTER_ASSERT(reporter, rect.contains(leftTop));
SkDPoint rightBottom = {rect2.fRight, rect2.fBottom};
REPORTER_ASSERT(reporter, rect.contains(rightBottom));
}
}