Cross Reference: /external/skqp/third_party/gif/SkGifImageReader.cpp

Lines Matching defs:frame
373 // Perform decoding for this frame. frameComplete will be true if the entire frame is decoded.
409     // If this frame is data complete then the previous loop must have completely decoded all LZW blocks.
410     // There will be no more decoding for this frame so it's time to cleanup.
418 // Decode a frame.
419 // This method uses SkGIFFrameContext:decode() to decode the frame; decoding error is reported to client as a critical failure.
444         // We have already parsed this frame.
457             auto* frame = m_frames.back().get();
458             frame->addLzwBlock(m_streamBuffer.markPosition(), m_bytesToConsume);
492             // This is the height and width of the "screen" or frame into which
497             // change after we read the first frame's image header.
726             // overall image size. For the first frame, we can simply enlarge
727             // the image size to allow the frame to be visible.  We can't do
732             // Luckily, handling just the first frame is sufficient to deal
734             // set to zero, since usually the first frame completely fills
796             // frame can be progressively displayed.
797             // FIXME: It is possible that a non-transparent frame
827                 // Finished parsing one frame; Process next frame.
830                 // decode all rows but we treat it as frame complete.
874 static bool independent(const SkFrame& frame) {
875     return frame.getRequiredFrame() == SkCodec::kNone;
878 static bool restore_bg(const SkFrame& frame) {
879     return frame.getDisposalMethod() == SkCodecAnimation::DisposalMethod::kRestoreBGColor;
890 void SkFrameHolder::setAlphaAndRequiredFrame(SkFrame* frame) {
891     const bool reportsAlpha = frame->reportedAlpha() != SkEncodedInfo::kOpaque_Alpha;
893     const auto frameRect = frame_rect_on_screen(frame->frameRect(), screenRect);
895     const int i = frame->frameId();
897         frame->setHasAlpha(reportsAlpha || frameRect != screenRect);
898         frame->setRequiredFrame(SkCodec::kNone);
903     const bool blendWithPrevFrame = frame->getBlend() == SkCodecAnimation::Blend::kPriorFrame;
905         frame->setHasAlpha(reportsAlpha);
906         frame->setRequiredFrame(SkCodec::kNone);
914             frame->setHasAlpha(true);
915             frame->setRequiredFrame(SkCodec::kNone);
927             frame->setHasAlpha(true);
928             frame->setRequiredFrame(SkCodec::kNone);
935         // to background color and covers its required frame (and that
936         // frame is independent), prevFrame could be marked independent.
938         frame->setRequiredFrame(prevFrame->frameId());
939         frame->setHasAlpha(prevFrame->hasAlpha() || clearPrevFrame);
946             frame->setRequiredFrame(SkCodec::kNone);
947             frame->setHasAlpha(true);
956         frame->setHasAlpha(true);
958             frame->setRequiredFrame(SkCodec::kNone);
960             // Note: As above, frame could still be independent, e.g. if
961             // prevFrame covers its required frame and that frame is
963             frame->setRequiredFrame(prevFrame->frameId());
969     frame->setRequiredFrame(prevFrame->frameId());
970     frame->setHasAlpha(prevFrame->hasAlpha() || (reportsAlpha && !blendWithPrevFrame));