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      1 #define LOG_TAG "PicturePileLayerContent"
      2 #define LOG_NDEBUG 1
      3 
      4 #include "config.h"
      5 #include "PicturePileLayerContent.h"
      6 
      7 #include "AndroidLog.h"
      8 #include "SkCanvas.h"
      9 #include "SkPicture.h"
     10 
     11 namespace WebCore {
     12 
     13 PicturePileLayerContent::PicturePileLayerContent(const PicturePile& picturePile)
     14     : m_picturePile(picturePile)
     15     , m_maxZoomScale(picturePile.maxZoomScale())
     16     , m_hasContent(!picturePile.isEmpty())
     17 {
     18 }
     19 
     20 void PicturePileLayerContent::draw(SkCanvas* canvas)
     21 {
     22     TRACE_METHOD();
     23     android::Mutex::Autolock lock(m_drawLock);
     24     m_picturePile.draw(canvas);
     25 
     26     if (CC_UNLIKELY(!m_hasContent))
     27         ALOGW("Warning: painting PicturePile without content!");
     28 }
     29 
     30 void PicturePileLayerContent::serialize(SkWStream* stream)
     31 {
     32     if (!stream)
     33        return;
     34     SkPicture picture;
     35     draw(picture.beginRecording(width(), height(),
     36                                 SkPicture::kUsePathBoundsForClip_RecordingFlag));
     37     picture.endRecording();
     38     picture.serialize(stream);
     39 }
     40 
     41 PrerenderedInval* PicturePileLayerContent::prerenderForRect(const IntRect& dirty)
     42 {
     43     return m_picturePile.prerenderedInvalForArea(dirty);
     44 }
     45 
     46 void PicturePileLayerContent::clearPrerenders()
     47 {
     48     m_picturePile.clearPrerenders();
     49 }
     50 
     51 } // namespace WebCore
     52