blob: cea37520b1cfe06c15635b8378d7134f3578cc14 [file] [log] [blame]
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PathOpsExtendedTest.h"
#include "PathOpsThreadedCommon.h"
#include "SkCanvas.h"
#include "SkRandom.h"
#include "SkTArray.h"
#include "SkTSort.h"
#include "Test.h"
static void testTightBoundsLines(PathOpsThreadState* data) {
SkRandom ran;
for (int index = 0; index < 1000; ++index) {
SkPath path;
int contourCount = ran.nextRangeU(1, 10);
for (int cIndex = 0; cIndex < contourCount; ++cIndex) {
int lineCount = ran.nextRangeU(1, 10);
path.moveTo(ran.nextRangeF(-1000, 1000), ran.nextRangeF(-1000, 1000));
for (int lIndex = 0; lIndex < lineCount; ++lIndex) {
path.lineTo(ran.nextRangeF(-1000, 1000), ran.nextRangeF(-1000, 1000));
}
if (ran.nextBool()) {
path.close();
}
}
SkRect classicBounds = path.getBounds();
SkRect tightBounds;
REPORTER_ASSERT(data->fReporter, TightBounds(path, &tightBounds));
REPORTER_ASSERT(data->fReporter, classicBounds == tightBounds);
}
}
DEF_TEST(PathOpsTightBoundsLines, reporter) {
initializeTests(reporter, "tightBoundsLines");
PathOpsThreadedTestRunner testRunner(reporter);
int outerCount = reporter->allowExtendedTest() ? 100 : 1;
for (int index = 0; index < outerCount; ++index) {
for (int idx2 = 0; idx2 < 10; ++idx2) {
*testRunner.fRunnables.append() = SkNEW_ARGS(PathOpsThreadedRunnable,
(&testTightBoundsLines, 0, 0, 0, 0, &testRunner));
}
}
testRunner.render();
}
static void testTightBoundsQuads(PathOpsThreadState* data) {
SkRandom ran;
const int bitWidth = 32;
const int bitHeight = 32;
const float pathMin = 1;
const float pathMax = (float) (bitHeight - 2);
SkBitmap& bits = *data->fBitmap;
if (bits.width() == 0) {
bits.allocN32Pixels(bitWidth, bitHeight);
}
SkCanvas canvas(bits);
SkPaint paint;
for (int index = 0; index < 100; ++index) {
SkPath path;
int contourCount = ran.nextRangeU(1, 10);
for (int cIndex = 0; cIndex < contourCount; ++cIndex) {
int lineCount = ran.nextRangeU(1, 10);
path.moveTo(ran.nextRangeF(1, pathMax), ran.nextRangeF(pathMin, pathMax));
for (int lIndex = 0; lIndex < lineCount; ++lIndex) {
if (ran.nextBool()) {
path.lineTo(ran.nextRangeF(pathMin, pathMax), ran.nextRangeF(pathMin, pathMax));
} else {
path.quadTo(ran.nextRangeF(pathMin, pathMax), ran.nextRangeF(pathMin, pathMax),
ran.nextRangeF(pathMin, pathMax), ran.nextRangeF(pathMin, pathMax));
}
}
if (ran.nextBool()) {
path.close();
}
}
SkRect classicBounds = path.getBounds();
SkRect tightBounds;
REPORTER_ASSERT(data->fReporter, TightBounds(path, &tightBounds));
REPORTER_ASSERT(data->fReporter, classicBounds.contains(tightBounds));
canvas.drawColor(SK_ColorWHITE);
canvas.drawPath(path, paint);
SkIRect bitsWritten = {31, 31, 0, 0};
for (int y = 0; y < bitHeight; ++y) {
uint32_t* addr1 = data->fBitmap->getAddr32(0, y);
bool lineWritten = false;
for (int x = 0; x < bitWidth; ++x) {
if (addr1[x] == (uint32_t) -1) {
continue;
}
lineWritten = true;
bitsWritten.fLeft = SkTMin(bitsWritten.fLeft, x);
bitsWritten.fRight = SkTMax(bitsWritten.fRight, x);
}
if (!lineWritten) {
continue;
}
bitsWritten.fTop = SkTMin(bitsWritten.fTop, y);
bitsWritten.fBottom = SkTMax(bitsWritten.fBottom, y);
}
if (!bitsWritten.isEmpty()) {
SkIRect tightOut;
tightBounds.roundOut(&tightOut);
REPORTER_ASSERT(data->fReporter, tightOut.contains(bitsWritten));
}
}
}
DEF_TEST(PathOpsTightBoundsQuads, reporter) {
initializeTests(reporter, "tightBoundsQuads");
PathOpsThreadedTestRunner testRunner(reporter);
int outerCount = reporter->allowExtendedTest() ? 100 : 1;
for (int index = 0; index < outerCount; ++index) {
for (int idx2 = 0; idx2 < 10; ++idx2) {
*testRunner.fRunnables.append() = SkNEW_ARGS(PathOpsThreadedRunnable,
(&testTightBoundsQuads, 0, 0, 0, 0, &testRunner));
}
}
testRunner.render();
}