/**
* This test checks that getColor works for both swizzles.
*/
DEF_TEST(Bitmap_getColor_Swizzle, r) {
SkBitmap source;
source.allocN32Pixels(1,1);
source.eraseColor(SK_ColorRED);
SkColorType colorTypes[] = {
kRGBA_8888_SkColorType,
kBGRA_8888_SkColorType,
};
for (SkColorType ct : colorTypes) {
SkBitmap copy;
if (!source.copyTo(©, ct)) {
ERRORF(r, "SkBitmap::copy failed %d", (int)ct);
continue;
}
SkAutoLockPixels autoLockPixels1(copy);
SkAutoLockPixels autoLockPixels2(source);
REPORTER_ASSERT(r, source.getColor(0, 0) == copy.getColor(0, 0));
}
}
static void compare_bitmaps(skiatest::Reporter* reporter,
const SkBitmap& b1, const SkBitmap& b2) {
REPORTER_ASSERT(reporter, b1.width() == b2.width());
REPORTER_ASSERT(reporter, b1.height() == b2.height());
SkAutoLockPixels autoLockPixels1(b1);
SkAutoLockPixels autoLockPixels2(b2);
if ((b1.width() != b2.width()) ||
(b1.height() != b2.height())) {
return;
}
int pixelErrors = 0;
for (int y = 0; y < b2.height(); ++y) {
for (int x = 0; x < b2.width(); ++x) {
if (b1.getColor(x, y) != b2.getColor(x, y))
++pixelErrors;
}
}
REPORTER_ASSERT(reporter, 0 == pixelErrors);
}
static SkBitmap indexed_bitmap() {
SkBitmap n32bitmap;
n32bitmap.allocN32Pixels(SCALE, SCALE);
n32bitmap.eraseColor(SK_ColorTRANSPARENT);
SkCanvas canvas(n32bitmap);
color_wheel_native(&canvas);
const SkColor colors[] = {
SK_ColorTRANSPARENT,
SK_ColorWHITE,
SK_ColorBLACK,
SK_ColorRED,
SK_ColorGREEN,
SK_ColorBLUE,
SK_ColorCYAN,
SK_ColorMAGENTA,
SK_ColorYELLOW,
};
SkPMColor pmColors[SK_ARRAY_COUNT(colors)];
for (size_t i = 0; i < SK_ARRAY_COUNT(colors); ++i) {
pmColors[i] = premultiply_color(colors[i]);
}
SkBitmap bm;
SkAutoTUnref<SkColorTable> ctable(new SkColorTable(pmColors, SK_ARRAY_COUNT(pmColors)));
SkImageInfo info = SkImageInfo::Make(SCALE, SCALE, kIndex_8_SkColorType,
kPremul_SkAlphaType);
bm.allocPixels(info, nullptr, ctable);
SkAutoLockPixels autoLockPixels1(n32bitmap);
SkAutoLockPixels autoLockPixels2(bm);
for (int y = 0; y < SCALE; ++y) {
for (int x = 0; x < SCALE; ++x) {
SkPMColor c = *n32bitmap.getAddr32(x, y);
int idx = find(pmColors, SK_ARRAY_COUNT(pmColors), c);
*bm.getAddr8(x, y) = SkClampMax(idx, SK_ARRAY_COUNT(pmColors) - 1);
}
}
return bm;
}
static void compare_bitmaps(skiatest::Reporter* reporter,
const SkBitmap& b1, const SkBitmap& b2,
bool pixelPerfect = true) {
REPORTER_ASSERT(reporter, b1.empty() == b2.empty());
REPORTER_ASSERT(reporter, b1.width() == b2.width());
REPORTER_ASSERT(reporter, b1.height() == b2.height());
REPORTER_ASSERT(reporter, b1.isNull() == b2.isNull());
SkAutoLockPixels autoLockPixels1(b1);
SkAutoLockPixels autoLockPixels2(b2);
REPORTER_ASSERT(reporter, b1.isNull() == b2.isNull());
if (b1.isNull() || b1.empty()) {
return;
}
REPORTER_ASSERT(reporter, b1.getPixels());
REPORTER_ASSERT(reporter, b2.getPixels());
if ((!(b1.getPixels())) || (!(b2.getPixels()))) {
return;
}
if ((b1.width() != b2.width()) ||
(b1.height() != b2.height())) {
return;
}
if (!pixelPerfect) {
return;
}
int pixelErrors = 0;
for (int y = 0; y < b2.height(); ++y) {
for (int x = 0; x < b2.width(); ++x) {
if (b1.getColor(x, y) != b2.getColor(x, y)) {
++pixelErrors;
}
}
}
REPORTER_ASSERT(reporter, 0 == pixelErrors);
}
