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| author |  msarett <msarett@google.com> | 2015-10-21 10:27:10 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2015-10-21 10:27:10 -0700 |
| commit | 3d9d7a7213748761d46ade183e11aa7cb55313c1 (patch) | |
| tree | 80478ddd5999b26b6671287ccd5803791454a4c9 /src/codec/SkCodecPriv.h | |
| parent | c7378af961cabef5b77c4dae40d8d3b9c1471a9e (diff) | |
Create an SkAndroidCodec API separate from SkCodec
We will implement this API using SkCodecs.
SkAndroidCodecs will be used to implement the
BitmapRegionDecoder Java API (and possibly
BitmapFactory).
BUG=skia:
Review URL: https://codereview.chromium.org/1406223002
Diffstat (limited to 'src/codec/SkCodecPriv.h')
| -rw-r--r-- | src/codec/SkCodecPriv.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/codec/SkCodecPriv.h b/src/codec/SkCodecPriv.h index 0442625dd2..1b6723fd4a 100644 --- a/src/codec/SkCodecPriv.h +++ b/src/codec/SkCodecPriv.h @@ -31,9 +31,19 @@ #define COMPUTE_RESULT_ALPHA \ SkSwizzler::GetResult(zeroAlpha, maxAlpha); +// FIXME: Consider sharing with dm, nanbench, and tools. +inline float get_scale_from_sample_size(int sampleSize) { + return 1.0f / ((float) sampleSize); +} + +inline bool is_valid_subset(const SkIRect& subset, const SkISize& imageDims) { + return SkIRect::MakeSize(imageDims).contains(subset); +} + /* * returns a scaled dimension based on the original dimension and the sampleSize * NOTE: we round down here for scaled dimension to match the behavior of SkImageDecoder + * FIXME: I think we should call this get_sampled_dimension(). */ inline int get_scaled_dimension(int srcDimension, int sampleSize) { if (sampleSize > srcDimension) { |