Loading include/android/imagedecoder.h +17 −9 Original line number Diff line number Diff line Loading @@ -837,9 +837,11 @@ void AImageDecoderFrameInfo_delete( * is the current frame. * * If the image only has one frame, this will fill the {@link * AImageDecoderFrameInfo} with the encoded info, if any, or reasonable * AImageDecoderFrameInfo} with the encoded info and reasonable * defaults. * * If {@link AImageDecoder_advanceFrame} succeeded, this will succeed as well. * * @param decoder Opaque object representing the decoder. * @param info Opaque object to hold frame information. On success, will be * filled with information regarding the current frame. Loading @@ -861,7 +863,7 @@ int AImageDecoder_getFrameInfo(AImageDecoder* _Nonnull decoder, * Introduced in API 31. * * Errors: * - returns 0 if |info| is null. * - returns {@link ANDROID_IMAGE_DECODER_BAD_PARAMETER} if |info| is null. */ int64_t AImageDecoderFrameInfo_getDuration( const AImageDecoderFrameInfo* _Nonnull info) __INTRODUCED_IN(31); Loading Loading @@ -896,19 +898,25 @@ ARect AImageDecoderFrameInfo_getFrameRect( * * Introduced in API 31. * * Note that this may differ from whether the composed frame has * alpha. If this frame does not fill the entire image dimensions * (see {@link AImageDecoderFrameInfo_getFrameRect}) or it blends * with an opaque frame, for example, the composed frame’s alpha * may not match. It is also conservative; for example, if a color * index-based frame has a color with alpha but does not use it, * this will still return true. * Unless this frame is independent (see {@link AImageDecoder_decodeImage}), * a single call to {@link AImageDecoder_decodeImage} will decode an updated * rectangle of pixels and then blend it with the existing pixels in the * |pixels| buffer according to {@link AImageDecoderFrameInfo_getBlendOp}. This * method returns whether the updated rectangle has alpha, prior to blending. * The return value is conservative; for example, if a color-index-based frame * has a color with alpha but does not use it, this will still return true. * * This, along with other information in AImageDecoderFrameInfo, * can be useful for determining whether a frame is independent, but * the decoder handles blending frames, so a simple * sequential client does not need this. * * Note that this may differ from whether the composed frame (that is, the * resulting image after blending) has alpha. If this frame does not fill the * entire image dimensions (see {@link AImageDecoderFrameInfo_getFrameRect}) * or it blends with an opaque frame, for example, the composed frame’s alpha * may not match. * * Errors: * - returns false if |info| is null. */ Loading Loading
include/android/imagedecoder.h +17 −9 Original line number Diff line number Diff line Loading @@ -837,9 +837,11 @@ void AImageDecoderFrameInfo_delete( * is the current frame. * * If the image only has one frame, this will fill the {@link * AImageDecoderFrameInfo} with the encoded info, if any, or reasonable * AImageDecoderFrameInfo} with the encoded info and reasonable * defaults. * * If {@link AImageDecoder_advanceFrame} succeeded, this will succeed as well. * * @param decoder Opaque object representing the decoder. * @param info Opaque object to hold frame information. On success, will be * filled with information regarding the current frame. Loading @@ -861,7 +863,7 @@ int AImageDecoder_getFrameInfo(AImageDecoder* _Nonnull decoder, * Introduced in API 31. * * Errors: * - returns 0 if |info| is null. * - returns {@link ANDROID_IMAGE_DECODER_BAD_PARAMETER} if |info| is null. */ int64_t AImageDecoderFrameInfo_getDuration( const AImageDecoderFrameInfo* _Nonnull info) __INTRODUCED_IN(31); Loading Loading @@ -896,19 +898,25 @@ ARect AImageDecoderFrameInfo_getFrameRect( * * Introduced in API 31. * * Note that this may differ from whether the composed frame has * alpha. If this frame does not fill the entire image dimensions * (see {@link AImageDecoderFrameInfo_getFrameRect}) or it blends * with an opaque frame, for example, the composed frame’s alpha * may not match. It is also conservative; for example, if a color * index-based frame has a color with alpha but does not use it, * this will still return true. * Unless this frame is independent (see {@link AImageDecoder_decodeImage}), * a single call to {@link AImageDecoder_decodeImage} will decode an updated * rectangle of pixels and then blend it with the existing pixels in the * |pixels| buffer according to {@link AImageDecoderFrameInfo_getBlendOp}. This * method returns whether the updated rectangle has alpha, prior to blending. * The return value is conservative; for example, if a color-index-based frame * has a color with alpha but does not use it, this will still return true. * * This, along with other information in AImageDecoderFrameInfo, * can be useful for determining whether a frame is independent, but * the decoder handles blending frames, so a simple * sequential client does not need this. * * Note that this may differ from whether the composed frame (that is, the * resulting image after blending) has alpha. If this frame does not fill the * entire image dimensions (see {@link AImageDecoderFrameInfo_getFrameRect}) * or it blends with an opaque frame, for example, the composed frame’s alpha * may not match. * * Errors: * - returns false if |info| is null. */ Loading
