diff options
author | reed <reed@google.com> | 2015-06-22 12:48:26 -0700 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2015-06-22 12:48:26 -0700 |
commit | 871872f3f247f6b699617f6d9ef50ef5da6fbe74 (patch) | |
tree | 50358d6f699dd433607d9bc3c29da63e44c5d00f /src/lazy | |
parent | c1f56b518218d1caa65d6b7101bebf0d28c02a92 (diff) |
change old picture serialization to really handle images
BUG=skia:3965
Review URL: https://codereview.chromium.org/1199473002
Diffstat (limited to 'src/lazy')
-rw-r--r-- | src/lazy/SkDiscardablePixelRef.cpp | 38 | ||||
-rw-r--r-- | src/lazy/SkDiscardablePixelRef.h | 4 |
2 files changed, 30 insertions, 12 deletions
diff --git a/src/lazy/SkDiscardablePixelRef.cpp b/src/lazy/SkDiscardablePixelRef.cpp index 1e42042fb6..73fa4ce84c 100644 --- a/src/lazy/SkDiscardablePixelRef.cpp +++ b/src/lazy/SkDiscardablePixelRef.cpp @@ -107,37 +107,55 @@ void SkDiscardablePixelRef::onUnlockPixels() { fDiscardableMemoryIsLocked = false; } -bool SkInstallDiscardablePixelRef(SkImageGenerator* generator, SkBitmap* dst, +bool SkInstallDiscardablePixelRef(SkImageGenerator* generator, const SkIRect* subset, SkBitmap* dst, SkDiscardableMemory::Factory* factory) { SkAutoTDelete<SkImageGenerator> autoGenerator(generator); if (NULL == autoGenerator.get()) { return false; } - SkImageInfo info = autoGenerator->getInfo(); - if (info.isEmpty() || !dst->setInfo(info)) { + + SkImageInfo prInfo = autoGenerator->getInfo(); + if (prInfo.isEmpty()) { return false; } - // Since dst->setInfo() may have changed/fixed-up info, we copy it back from that bitmap - info = dst->info(); - SkASSERT(info.colorType() != kUnknown_SkColorType); + SkIPoint origin = SkIPoint::Make(0, 0); + SkImageInfo bmInfo = prInfo; + if (subset) { + const SkIRect prBounds = SkIRect::MakeWH(prInfo.width(), prInfo.height()); + if (subset->isEmpty() || !prBounds.contains(*subset)) { + return false; + } + bmInfo = prInfo.makeWH(subset->width(), subset->height()); + origin.set(subset->x(), subset->y()); + } + + // must compute our desired rowBytes w.r.t. the pixelRef's dimensions, not ours, which may be + // smaller. + if (!dst->setInfo(bmInfo, prInfo.minRowBytes())) { + return false; + } + + // Since dst->setInfo() may have changed/fixed-up info, we check from the bitmap + SkASSERT(dst->info().colorType() != kUnknown_SkColorType); + if (dst->empty()) { // Use a normal pixelref. return dst->tryAllocPixels(); } SkAutoTUnref<SkDiscardablePixelRef> ref( SkNEW_ARGS(SkDiscardablePixelRef, - (info, autoGenerator.detach(), dst->rowBytes(), factory))); - dst->setPixelRef(ref); + (prInfo, autoGenerator.detach(), dst->rowBytes(), factory))); + dst->setPixelRef(ref, origin.x(), origin.y()); return true; } // These are the public API bool SkInstallDiscardablePixelRef(SkImageGenerator* generator, SkBitmap* dst) { - return SkInstallDiscardablePixelRef(generator, dst, NULL); + return SkInstallDiscardablePixelRef(generator, NULL, dst, NULL); } bool SkInstallDiscardablePixelRef(SkData* encoded, SkBitmap* dst) { SkImageGenerator* generator = SkImageGenerator::NewFromData(encoded); - return generator ? SkInstallDiscardablePixelRef(generator, dst, NULL) : false; + return generator ? SkInstallDiscardablePixelRef(generator, NULL, dst, NULL) : false; } diff --git a/src/lazy/SkDiscardablePixelRef.h b/src/lazy/SkDiscardablePixelRef.h index 4515fd2277..5d248a2975 100644 --- a/src/lazy/SkDiscardablePixelRef.h +++ b/src/lazy/SkDiscardablePixelRef.h @@ -9,7 +9,7 @@ #define SkDiscardablePixelRef_DEFINED #include "SkDiscardableMemory.h" -#include "SkImageGenerator.h" +#include "SkImageGeneratorPriv.h" #include "SkImageInfo.h" #include "SkPixelRef.h" @@ -61,7 +61,7 @@ private: return fGenerator->getYUV8Planes(sizes, planes, rowBytes, colorSpace); } - friend bool SkInstallDiscardablePixelRef(SkImageGenerator*, SkBitmap*, + friend bool SkInstallDiscardablePixelRef(SkImageGenerator*, const SkIRect*, SkBitmap*, SkDiscardableMemory::Factory*); typedef SkPixelRef INHERITED; |