PixelRef now returns (nearly) everything that is currently in SkBitmap. The goal is to refactor bitmap later to remove redundancy, and more interestingly, remove the chance for a disconnect between the actual (pixelref) rowbytes and config, and the one claimed by the bitmap.
R=mtklein@google.com, scroggo@google.com
Review URL: https://codereview.chromium.org/68973005
git-svn-id: http://skia.googlecode.com/svn/trunk@12537 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/lazy/SkCachingPixelRef.cpp b/src/lazy/SkCachingPixelRef.cpp
index 667a949..fba9845 100644
--- a/src/lazy/SkCachingPixelRef.cpp
+++ b/src/lazy/SkCachingPixelRef.cpp
@@ -8,7 +8,6 @@
#include "SkCachingPixelRef.h"
#include "SkScaledImageCache.h"
-
bool SkCachingPixelRef::Install(SkImageGenerator* generator,
SkBitmap* dst) {
SkImageInfo info;
@@ -31,10 +30,10 @@
SkCachingPixelRef::SkCachingPixelRef(SkImageGenerator* generator,
const SkImageInfo& info,
size_t rowBytes)
- : fImageGenerator(generator)
+ : INHERITED(info)
+ , fImageGenerator(generator)
, fErrorInDecoding(false)
, fScaledCacheId(NULL)
- , fInfo(info)
, fRowBytes(rowBytes) {
SkASSERT(fImageGenerator != NULL);
}
@@ -44,31 +43,32 @@
// Assert always unlock before unref.
}
-void* SkCachingPixelRef::onLockPixels(SkColorTable** colorTable) {
- (void)colorTable;
+bool SkCachingPixelRef::onNewLockPixels(LockRec* rec) {
if (fErrorInDecoding) {
- return NULL; // don't try again.
+ return false; // don't try again.
}
+
+ const SkImageInfo& info = this->info();
SkBitmap bitmap;
SkASSERT(NULL == fScaledCacheId);
fScaledCacheId = SkScaledImageCache::FindAndLock(this->getGenerationID(),
- fInfo.fWidth,
- fInfo.fHeight,
+ info.fWidth,
+ info.fHeight,
&bitmap);
if (NULL == fScaledCacheId) {
// Cache has been purged, must re-decode.
- if ((!bitmap.setConfig(fInfo, fRowBytes)) || !bitmap.allocPixels()) {
+ if ((!bitmap.setConfig(info, fRowBytes)) || !bitmap.allocPixels()) {
fErrorInDecoding = true;
- return NULL;
+ return false;
}
SkAutoLockPixels autoLockPixels(bitmap);
- if (!fImageGenerator->getPixels(fInfo, bitmap.getPixels(), fRowBytes)) {
+ if (!fImageGenerator->getPixels(info, bitmap.getPixels(), fRowBytes)) {
fErrorInDecoding = true;
- return NULL;
+ return false;
}
fScaledCacheId = SkScaledImageCache::AddAndLock(this->getGenerationID(),
- fInfo.fWidth,
- fInfo.fHeight,
+ info.fWidth,
+ info.fHeight,
bitmap);
SkASSERT(fScaledCacheId != NULL);
}
@@ -78,6 +78,7 @@
SkAutoLockPixels autoLockPixels(bitmap);
void* pixels = bitmap.getPixels();
SkASSERT(pixels != NULL);
+
// At this point, the autoLockPixels will unlockPixels()
// to remove bitmap's lock on the pixels. We will then
// destroy bitmap. The *only* guarantee that this pointer
@@ -86,7 +87,10 @@
// bitmap (SkScaledImageCache::Rec.fBitmap) that holds a
// reference to the concrete PixelRef while this record is
// locked.
- return pixels;
+ rec->fPixels = pixels;
+ rec->fColorTable = NULL;
+ rec->fRowBytes = bitmap.rowBytes();
+ return true;
}
void SkCachingPixelRef::onUnlockPixels() {