本文整理汇总了C++中SkBitmap::drawsNothing方法的典型用法代码示例。如果您正苦于以下问题：C++ SkBitmap::drawsNothing方法的具体用法？C++ SkBitmap::drawsNothing怎么用？C++ SkBitmap::drawsNothing使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SkBitmap的用法示例。
在下文中一共展示了SkBitmap::drawsNothing方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Run
static void Run(const Task& task) {
SkString name = task.src->name();
SkString log;
if (!FLAGS_dryRun) {
SkBitmap bitmap;
SkDynamicMemoryWStream stream;
start(task.sink.tag.c_str(), task.src.tag.c_str(),
task.src.options.c_str(), name.c_str());
Error err = task.sink->draw(*task.src, &bitmap, &stream, &log);
if (!log.isEmpty()) {
info("%s %s %s %s:\n%s\n", task.sink.tag.c_str()
, task.src.tag.c_str()
, task.src.options.c_str()
, name.c_str()
, log.c_str());
}
if (!err.isEmpty()) {
if (err.isFatal()) {
fail(SkStringPrintf("%s %s %s %s: %s",
task.sink.tag.c_str(),
task.src.tag.c_str(),
task.src.options.c_str(),
name.c_str(),
err.c_str()));
} else {
done(task.sink.tag.c_str(), task.src.tag.c_str(),
task.src.options.c_str(), name.c_str());
return;
}
}
// We're likely switching threads here, so we must capture by value, [=] or [foo,bar].
SkStreamAsset* data = stream.detachAsStream();
gDefinitelyThreadSafeWork.add([task,name,bitmap,data]{
SkAutoTDelete<SkStreamAsset> ownedData(data);
// Why doesn't the copy constructor do this when we have pre-locked pixels?
bitmap.lockPixels();
SkString md5;
if (!FLAGS_writePath.isEmpty() || !FLAGS_readPath.isEmpty()) {
SkMD5 hash;
if (data->getLength()) {
hash.writeStream(data, data->getLength());
data->rewind();
} else {
// If we're BGRA (Linux, Windows), swizzle over to RGBA (Mac, Android).
// This helps eliminate multiple 0-pixel-diff hashes on gold.skia.org.
// (Android's general slow speed breaks the tie arbitrarily in RGBA's favor.)
// We might consider promoting 565 to RGBA too.
if (bitmap.colorType() == kBGRA_8888_SkColorType) {
SkBitmap swizzle;
SkAssertResult(bitmap.copyTo(&swizzle, kRGBA_8888_SkColorType));
hash.write(swizzle.getPixels(), swizzle.getSize());
} else {
hash.write(bitmap.getPixels(), bitmap.getSize());
}
}
SkMD5::Digest digest;
hash.finish(digest);
for (int i = 0; i < 16; i++) {
md5.appendf("%02x", digest.data[i]);
}
}
if (!FLAGS_readPath.isEmpty() &&
!gGold.contains(Gold(task.sink.tag, task.src.tag,
task.src.options, name, md5))) {
fail(SkStringPrintf("%s not found for %s %s %s %s in %s",
md5.c_str(),
task.sink.tag.c_str(),
task.src.tag.c_str(),
task.src.options.c_str(),
name.c_str(),
FLAGS_readPath[0]));
}
if (!FLAGS_writePath.isEmpty()) {
const char* ext = task.sink->fileExtension();
if (data->getLength()) {
WriteToDisk(task, md5, ext, data, data->getLength(), nullptr);
SkASSERT(bitmap.drawsNothing());
} else if (!bitmap.drawsNothing()) {
WriteToDisk(task, md5, ext, nullptr, 0, &bitmap);
}
}
});
}
done(task.sink.tag.c_str(), task.src.tag.c_str(), task.src.options.c_str(), name.c_str());
}示例2: Run
static void Run(Task* task) {
SkString name = task->src->name();
// We'll skip drawing this Src/Sink pair if:
// - the Src vetoes the Sink;
// - this Src / Sink combination is on the blacklist;
// - it's a dry run.
SkString note(task->src->veto(task->sink->flags()) ? " (veto)" : "");
SkString whyBlacklisted = is_blacklisted(task->sink.tag, task->src.tag,
task->src.options, name.c_str());
if (!whyBlacklisted.isEmpty()) {
note.appendf(" (--blacklist %s)", whyBlacklisted.c_str());
}
SkString log;
WallTimer timer;
timer.start();
if (!FLAGS_dryRun && note.isEmpty()) {
SkBitmap bitmap;
SkDynamicMemoryWStream stream;
if (FLAGS_pre_log) {
SkDebugf("\nRunning %s->%s", name.c_str(), task->sink.tag);
}
start(task->sink.tag, task->src.tag, task->src.options, name.c_str());
Error err = task->sink->draw(*task->src, &bitmap, &stream, &log);
if (!err.isEmpty()) {
timer.end();
if (err.isFatal()) {
fail(SkStringPrintf("%s %s %s %s: %s",
task->sink.tag,
task->src.tag,
task->src.options,
name.c_str(),
err.c_str()));
} else {
note.appendf(" (skipped: %s)", err.c_str());
}
done(timer.fWall, task->sink.tag, task->src.tag, task->src.options,
name, note, log);
return;
}
SkAutoTDelete<SkStreamAsset> data(stream.detachAsStream());
SkString md5;
if (!FLAGS_writePath.isEmpty() || !FLAGS_readPath.isEmpty()) {
SkMD5 hash;
if (data->getLength()) {
hash.writeStream(data, data->getLength());
data->rewind();
} else {
// If we're BGRA (Linux, Windows), swizzle over to RGBA (Mac, Android).
// This helps eliminate multiple 0-pixel-diff hashes on gold.skia.org.
// (Android's general slow speed breaks the tie arbitrarily in RGBA's favor.)
// We might consider promoting 565 to RGBA too.
if (bitmap.colorType() == kBGRA_8888_SkColorType) {
SkBitmap swizzle;
SkAssertResult(bitmap.copyTo(&swizzle, kRGBA_8888_SkColorType));
hash.write(swizzle.getPixels(), swizzle.getSize());
} else {
hash.write(bitmap.getPixels(), bitmap.getSize());
}
}
SkMD5::Digest digest;
hash.finish(digest);
for (int i = 0; i < 16; i++) {
md5.appendf("%02x", digest.data[i]);
}
}
if (!FLAGS_readPath.isEmpty() &&
!gGold.contains(Gold(task->sink.tag, task->src.tag,
task->src.options, name, md5))) {
fail(SkStringPrintf("%s not found for %s %s %s %s in %s",
md5.c_str(),
task->sink.tag,
task->src.tag,
task->src.options,
name.c_str(),
FLAGS_readPath[0]));
}
if (!FLAGS_writePath.isEmpty()) {
const char* ext = task->sink->fileExtension();
if (data->getLength()) {
WriteToDisk(*task, md5, ext, data, data->getLength(), nullptr);
SkASSERT(bitmap.drawsNothing());
} else if (!bitmap.drawsNothing()) {
WriteToDisk(*task, md5, ext, nullptr, 0, &bitmap);
}
}
}
timer.end();
done(timer.fWall, task->sink.tag, task->src.tag, task->src.options, name, note, log);
}示例3: Run
static void Run(Task* task) {
SkString name = task->src->name();
SkString note;
SkString whyBlacklisted = is_blacklisted(task->sink.tag, task->src.tag,
task->src.options, name.c_str());
if (!whyBlacklisted.isEmpty()) {
note.appendf(" (--blacklist %s)", whyBlacklisted.c_str());
}
SkString log;
WallTimer timer;
timer.start();
if (!FLAGS_dryRun && whyBlacklisted.isEmpty()) {
SkBitmap bitmap;
SkDynamicMemoryWStream stream;
start(task->sink.tag, task->src.tag, task->src.options, name.c_str());
Error err = task->sink->draw(*task->src, &bitmap, &stream, &log);
if (!err.isEmpty()) {
timer.end();
if (err.isFatal()) {
fail(SkStringPrintf("%s %s %s %s: %s",
task->sink.tag,
task->src.tag,
task->src.options,
name.c_str(),
err.c_str()));
} else {
note.appendf(" (skipped: %s)", err.c_str());
}
done(timer.fWall, task->sink.tag, task->src.tag, task->src.options,
name, note, log);
return;
}
SkAutoTDelete<SkStreamAsset> data(stream.detachAsStream());
SkString md5;
if (!FLAGS_writePath.isEmpty() || !FLAGS_readPath.isEmpty()) {
SkMD5 hash;
if (data->getLength()) {
hash.writeStream(data, data->getLength());
data->rewind();
} else {
hash.write(bitmap.getPixels(), bitmap.getSize());
}
SkMD5::Digest digest;
hash.finish(digest);
for (int i = 0; i < 16; i++) {
md5.appendf("%02x", digest.data[i]);
}
}
if (!FLAGS_readPath.isEmpty() &&
!gGold.contains(Gold(task->sink.tag, task->src.tag,
task->src.options, name, md5))) {
fail(SkStringPrintf("%s not found for %s %s %s %s in %s",
md5.c_str(),
task->sink.tag,
task->src.tag,
task->src.options,
name.c_str(),
FLAGS_readPath[0]));
}
if (!FLAGS_writePath.isEmpty()) {
const char* ext = task->sink->fileExtension();
if (data->getLength()) {
WriteToDisk(*task, md5, ext, data, data->getLength(), NULL);
SkASSERT(bitmap.drawsNothing());
} else if (!bitmap.drawsNothing()) {
WriteToDisk(*task, md5, ext, NULL, 0, &bitmap);
}
}
}
timer.end();
done(timer.fWall, task->sink.tag, task->src.tag, task->src.options, name, note, log);
}