static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle,
jlong bm1Handle) {
const SkBitmap* bm0 = reinterpret_cast<SkBitmap*>(bm0Handle);
const SkBitmap* bm1 = reinterpret_cast<SkBitmap*>(bm1Handle);
if (bm0->width() != bm1->width() ||
bm0->height() != bm1->height() ||
bm0->colorType() != bm1->colorType()) {
return JNI_FALSE;
}
SkAutoLockPixels alp0(*bm0);
SkAutoLockPixels alp1(*bm1);
// if we can't load the pixels, return false
if (NULL == bm0->getPixels() || NULL == bm1->getPixels()) {
return JNI_FALSE;
}
if (bm0->colorType() == kIndex_8_SkColorType) {
SkColorTable* ct0 = bm0->getColorTable();
SkColorTable* ct1 = bm1->getColorTable();
if (NULL == ct0 || NULL == ct1) {
return JNI_FALSE;
}
if (ct0->count() != ct1->count()) {
return JNI_FALSE;
}
SkAutoLockColors alc0(ct0);
SkAutoLockColors alc1(ct1);
const size_t size = ct0->count() * sizeof(SkPMColor);
if (memcmp(alc0.colors(), alc1.colors(), size) != 0) {
return JNI_FALSE;
}
}
// now compare each scanline. We can't do the entire buffer at once,
// since we don't care about the pixel values that might extend beyond
// the width (since the scanline might be larger than the logical width)
const int h = bm0->height();
const size_t size = bm0->width() * bm0->bytesPerPixel();
for (int y = 0; y < h; y++) {
// SkBitmap::getAddr(int, int) may return NULL due to unrecognized config
// (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0
// and bm1 both have pixel data() (have passed NULL == getPixels() check),
// those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE
// to warn user those 2 unrecognized config bitmaps may be different.
void *bm0Addr = bm0->getAddr(0, y);
void *bm1Addr = bm1->getAddr(0, y);
if(bm0Addr == NULL || bm1Addr == NULL) {
return JNI_FALSE;
}
if (memcmp(bm0Addr, bm1Addr, size) != 0) {
return JNI_FALSE;
}
}
return JNI_TRUE;
}
DEF_TEST(BitmapCopy_extractSubset, reporter) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
SkBitmap srcOpaque, srcPremul;
setup_src_bitmaps(&srcOpaque, &srcPremul, gPairs[i].fColorType);
SkBitmap bitmap(srcOpaque);
SkBitmap subset;
SkIRect r;
// Extract a subset which has the same width as the original. This
// catches a bug where we cloned the genID incorrectly.
r.set(0, 1, W, 3);
bitmap.setIsVolatile(true);
// Relies on old behavior of extractSubset failing if colortype is unknown
if (kUnknown_SkColorType != bitmap.colorType() && bitmap.extractSubset(&subset, r)) {
REPORTER_ASSERT(reporter, subset.width() == W);
REPORTER_ASSERT(reporter, subset.height() == 2);
REPORTER_ASSERT(reporter, subset.alphaType() == bitmap.alphaType());
REPORTER_ASSERT(reporter, subset.isVolatile() == true);
// Test copying an extracted subset.
for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
SkBitmap copy;
bool success = subset.copyTo(©, gPairs[j].fColorType);
if (!success) {
// Skip checking that success matches fValid, which is redundant
// with the code below.
REPORTER_ASSERT(reporter, gPairs[i].fColorType != gPairs[j].fColorType);
continue;
}
// When performing a copy of an extracted subset, the gen id should
// change.
REPORTER_ASSERT(reporter, copy.getGenerationID() != subset.getGenerationID());
REPORTER_ASSERT(reporter, copy.width() == W);
REPORTER_ASSERT(reporter, copy.height() == 2);
if (gPairs[i].fColorType == gPairs[j].fColorType) {
SkAutoLockPixels alp0(subset);
SkAutoLockPixels alp1(copy);
// they should both have, or both not-have, a colortable
bool hasCT = subset.getColorTable() != nullptr;
REPORTER_ASSERT(reporter, (copy.getColorTable() != nullptr) == hasCT);
}
}
}
bitmap = srcPremul;
bitmap.setIsVolatile(false);
if (bitmap.extractSubset(&subset, r)) {
REPORTER_ASSERT(reporter, subset.alphaType() == bitmap.alphaType());
REPORTER_ASSERT(reporter, subset.isVolatile() == false);
}
}
}
static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle,
jlong bm1Handle) {
const SkBitmap* bm0 = reinterpret_cast<SkBitmap*>(bm0Handle);
const SkBitmap* bm1 = reinterpret_cast<SkBitmap*>(bm1Handle);
if (bm0->width() != bm1->width() ||
bm0->height() != bm1->height() ||
bm0->config() != bm1->config()) {
return JNI_FALSE;
}
SkAutoLockPixels alp0(*bm0);
SkAutoLockPixels alp1(*bm1);
// if we can't load the pixels, return false
if (NULL == bm0->getPixels() || NULL == bm1->getPixels()) {
return JNI_FALSE;
}
if (bm0->config() == SkBitmap::kIndex8_Config) {
SkColorTable* ct0 = bm0->getColorTable();
SkColorTable* ct1 = bm1->getColorTable();
if (NULL == ct0 || NULL == ct1) {
return JNI_FALSE;
}
if (ct0->count() != ct1->count()) {
return JNI_FALSE;
}
SkAutoLockColors alc0(ct0);
SkAutoLockColors alc1(ct1);
const size_t size = ct0->count() * sizeof(SkPMColor);
if (memcmp(alc0.colors(), alc1.colors(), size) != 0) {
return JNI_FALSE;
}
}
// now compare each scanline. We can't do the entire buffer at once,
// since we don't care about the pixel values that might extend beyond
// the width (since the scanline might be larger than the logical width)
const int h = bm0->height();
const size_t size = bm0->width() * bm0->bytesPerPixel();
for (int y = 0; y < h; y++) {
if (memcmp(bm0->getAddr(0, y), bm1->getAddr(0, y), size) != 0) {
return JNI_FALSE;
}
}
return JNI_TRUE;
}
static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig,
SkBitmap* diff) {
const SkBitmap& src = canvas->getDevice()->accessBitmap(false);
SkAutoLockPixels alp0(src);
SkAutoLockPixels alp1(orig);
for (int y = 0; y < src.height(); y++) {
const void* srcP = src.getAddr(0, y);
const void* origP = orig.getAddr(0, y);
size_t bytes = src.width() * src.bytesPerPixel();
if (memcmp(srcP, origP, bytes)) {
SkDebugf("---------- difference on line %d\n", y);
return true;
}
}
return false;
}
static void TestBitmapCopy(skiatest::Reporter* reporter) {
static const Pair gPairs[] = {
{ SkBitmap::kNo_Config, "00000000" },
{ SkBitmap::kA1_Config, "01000000" },
{ SkBitmap::kA8_Config, "00101110" },
{ SkBitmap::kIndex8_Config, "00111110" },
{ SkBitmap::kRGB_565_Config, "00101110" },
{ SkBitmap::kARGB_4444_Config, "00101110" },
{ SkBitmap::kARGB_8888_Config, "00101110" },
// TODO: create valid RLE bitmap to test with
// { SkBitmap::kRLE_Index8_Config, "00101111" }
};
const int W = 20;
const int H = 33;
for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
SkBitmap src, dst;
SkColorTable* ct = NULL;
src.setConfig(gPairs[i].fConfig, W, H);
if (SkBitmap::kIndex8_Config == src.config() ||
SkBitmap::kRLE_Index8_Config == src.config()) {
ct = init_ctable();
}
src.allocPixels(ct);
ct->safeRef();
init_src(src);
bool success = src.copyTo(&dst, gPairs[j].fConfig);
bool expected = gPairs[i].fValid[j] != '0';
if (success != expected) {
SkString str;
str.printf("SkBitmap::copyTo from %s to %s. expected %s returned %s",
gConfigName[i], gConfigName[j], boolStr(expected),
boolStr(success));
reporter->reportFailed(str);
}
bool canSucceed = src.canCopyTo(gPairs[j].fConfig);
if (success != canSucceed) {
SkString str;
str.printf("SkBitmap::copyTo from %s to %s. returned %s canCopyTo %s",
gConfigName[i], gConfigName[j], boolStr(success),
boolStr(canSucceed));
reporter->reportFailed(str);
}
if (success) {
REPORTER_ASSERT(reporter, src.width() == dst.width());
REPORTER_ASSERT(reporter, src.height() == dst.height());
REPORTER_ASSERT(reporter, dst.config() == gPairs[j].fConfig);
test_isOpaque(reporter, src, dst.config());
if (src.config() == dst.config()) {
SkAutoLockPixels srcLock(src);
SkAutoLockPixels dstLock(dst);
REPORTER_ASSERT(reporter, src.readyToDraw());
REPORTER_ASSERT(reporter, dst.readyToDraw());
const char* srcP = (const char*)src.getAddr(0, 0);
const char* dstP = (const char*)dst.getAddr(0, 0);
REPORTER_ASSERT(reporter, srcP != dstP);
REPORTER_ASSERT(reporter, !memcmp(srcP, dstP,
src.getSize()));
}
// test extractSubset
{
SkBitmap subset;
SkIRect r;
r.set(1, 1, 2, 2);
if (src.extractSubset(&subset, r)) {
REPORTER_ASSERT(reporter, subset.width() == 1);
REPORTER_ASSERT(reporter, subset.height() == 1);
SkBitmap copy;
REPORTER_ASSERT(reporter,
subset.copyTo(©, subset.config()));
REPORTER_ASSERT(reporter, copy.width() == 1);
REPORTER_ASSERT(reporter, copy.height() == 1);
REPORTER_ASSERT(reporter, copy.rowBytes() <= 4);
SkAutoLockPixels alp0(subset);
SkAutoLockPixels alp1(copy);
// they should both have, or both not-have, a colortable
bool hasCT = subset.getColorTable() != NULL;
REPORTER_ASSERT(reporter,
(copy.getColorTable() != NULL) == hasCT);
}
}
} else {
// dst should be unchanged from its initial state
REPORTER_ASSERT(reporter, dst.config() == SkBitmap::kNo_Config);
REPORTER_ASSERT(reporter, dst.width() == 0);
REPORTER_ASSERT(reporter, dst.height() == 0);
}
}
}
}