| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBitmapProvider.h" |
| #include "SkImage_Base.h" |
| #include "SkImageCacherator.h" |
| #include "SkPixelRef.h" |
| |
| int SkBitmapProvider::width() const { |
| return fImage->width(); |
| } |
| |
| int SkBitmapProvider::height() const { |
| return fImage->height(); |
| } |
| |
| uint32_t SkBitmapProvider::getID() const { |
| return fImage->uniqueID(); |
| } |
| |
| SkImageInfo SkBitmapProvider::info() const { |
| return as_IB(fImage)->onImageInfo(); |
| } |
| |
| bool SkBitmapProvider::isVolatile() const { |
| // add flag to images? |
| const SkBitmap* bm = as_IB(fImage)->onPeekBitmap(); |
| return bm ? bm->isVolatile() : false; |
| } |
| |
| SkBitmapCacheDesc SkBitmapProvider::makeCacheDesc(int w, int h) const { |
| return SkBitmapCacheDesc::Make(fImage, w, h); |
| } |
| |
| SkBitmapCacheDesc SkBitmapProvider::makeCacheDesc() const { |
| return SkBitmapCacheDesc::Make(fImage); |
| } |
| |
| void SkBitmapProvider::notifyAddedToCache() const { |
| as_IB(fImage)->notifyAddedToCache(); |
| } |
| |
| bool SkBitmapProvider::asBitmap(SkBitmap* bm) const { |
| return as_IB(fImage)->getROPixels(bm, fDstColorSpace, SkImage::kAllow_CachingHint); |
| } |
| |
| bool SkBitmapProvider::accessScaledImage(const SkRect& srcRect, |
| const SkMatrix& invMatrix, |
| SkFilterQuality fq, |
| SkBitmap* scaledBitmap, |
| SkRect* adjustedSrcRect, |
| SkFilterQuality* adjustedFilterQuality) const { |
| if (!fImage) { |
| return false; |
| } |
| |
| SkImageCacherator* cacherator = as_IB(fImage)->peekCacherator(); |
| if (!cacherator) { |
| return false; |
| } |
| |
| // TODO: stash the matrix someplace to avoid invert()? |
| SkMatrix m; |
| if (!invMatrix.invert(&m)) { |
| return false; |
| } |
| |
| SkImageGenerator::ScaledImageRec rec; |
| if (!cacherator->directAccessScaledImage(srcRect, m, fq, &rec) || |
| !scaledBitmap->installPixels(rec.fPixmap.info(), const_cast<void*>(rec.fPixmap.addr()), |
| rec.fPixmap.rowBytes(), rec.fPixmap.ctable(), |
| rec.fReleaseProc, rec.fReleaseCtx)) { |
| return false; |
| } |
| |
| *adjustedSrcRect = rec.fSrcRect; |
| *adjustedFilterQuality = rec.fQuality; |
| |
| return true; |
| } |