grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/images/SkMovie.cpp b/src/images/SkMovie.cpp
new file mode 100644
index 0000000..7186ed5
--- /dev/null
+++ b/src/images/SkMovie.cpp
@@ -0,0 +1,101 @@
+#include "SkMovie.h"
+#include "SkCanvas.h"
+#include "SkPaint.h"
+
+// We should never see this in normal operation since our time values are
+// 0-based. So we use it as a sentinal.
+#define UNINITIALIZED_MSEC ((SkMSec)-1)
+
+SkMovie::SkMovie()
+{
+ fInfo.fDuration = UNINITIALIZED_MSEC; // uninitialized
+ fCurrTime = UNINITIALIZED_MSEC; // uninitialized
+ fNeedBitmap = true;
+}
+
+void SkMovie::ensureInfo()
+{
+ if (fInfo.fDuration == UNINITIALIZED_MSEC && !this->onGetInfo(&fInfo))
+ memset(&fInfo, 0, sizeof(fInfo)); // failure
+}
+
+SkMSec SkMovie::duration()
+{
+ this->ensureInfo();
+ return fInfo.fDuration;
+}
+
+int SkMovie::width()
+{
+ this->ensureInfo();
+ return fInfo.fWidth;
+}
+
+int SkMovie::height()
+{
+ this->ensureInfo();
+ return fInfo.fHeight;
+}
+
+int SkMovie::isOpaque()
+{
+ this->ensureInfo();
+ return fInfo.fIsOpaque;
+}
+
+bool SkMovie::setTime(SkMSec time)
+{
+ SkMSec dur = this->duration();
+ if (time > dur)
+ time = dur;
+
+ bool changed = false;
+ if (time != fCurrTime)
+ {
+ fCurrTime = time;
+ changed = this->onSetTime(time);
+ fNeedBitmap |= changed;
+ }
+ return changed;
+}
+
+const SkBitmap& SkMovie::bitmap()
+{
+ if (fCurrTime == UNINITIALIZED_MSEC) // uninitialized
+ this->setTime(0);
+
+ if (fNeedBitmap)
+ {
+ if (!this->onGetBitmap(&fBitmap)) // failure
+ fBitmap.reset();
+ fNeedBitmap = false;
+ }
+ return fBitmap;
+}
+
+////////////////////////////////////////////////////////////////////
+
+#include "SkStream.h"
+
+SkMovie* SkMovie::DecodeMemory(const void* data, size_t length) {
+ SkMemoryStream stream(data, length, false);
+ return SkMovie::DecodeStream(&stream);
+}
+
+SkMovie* SkMovie::DecodeFile(const char path[])
+{
+ SkMovie* movie = NULL;
+
+ SkFILEStream stream(path);
+ if (stream.isValid()) {
+ movie = SkMovie::DecodeStream(&stream);
+ }
+#ifdef SK_DEBUG
+ else {
+ SkDebugf("Movie file not found <%s>\n", path);
+ }
+#endif
+
+ return movie;
+}
+