/// <param name="secStart">needs to be in seconds to figure out which thumb</param>
/// <param name="len">needs to be in seconds to figure out which thumb</param>
private void DrawClipBitmaps(
Graphics g,
VidkaProj proj,
VidkaFileMapping projMapping,
VidkaClipVideo vclip,
int x1, int y1, int clipw, int clipvh,
double secStart, double len)
{
string thumbsFile = projMapping.AddGetThumbnailFilename(vclip.FileName);
//if (!File.Exists(thumbsFile))
// return;
//Image origThumb = System.Drawing.Image.FromFile(thumbsFile, true);
//var bmpThumb = new Bitmap(origThumb);
var heightForThumbs = Math.Max(clipvh - 2 * THUMB_MARGIN_Y, ThumbnailTest.ThumbH);
var thumbPrefWidth = heightForThumbs * ThumbnailTest.ThumbW / ThumbnailTest.ThumbH;
var howManyThumbs = (clipw - THUMB_MARGIN) / (thumbPrefWidth + THUMB_MARGIN);
if (howManyThumbs == 0)
{
howManyThumbs = 1;
}
var xCenteringOffset = (clipw - howManyThumbs * (thumbPrefWidth + THUMB_MARGIN)) / 2;
for (int i = 0; i < howManyThumbs; i++)
{
//DrawVideoThumbnail(
// g: g,
// bmpAll: bmpThumb,
// timeSec: secStart + (i + 0.5) * len / howManyThumbs,
// xCenter: x1 + xCenteringOffset + i * (thumbPrefWidth + THUMB_MARGIN) + (thumbPrefWidth + THUMB_MARGIN) / 2,
// yCenter: y1 + clipvh / 2,
// preferredWidth: thumbPrefWidth,
// maxWidth: clipw);
var timeSec = secStart + (i + 0.5) * len / howManyThumbs;
var imageIndex = (int)(timeSec / ThumbnailTest.ThumbIntervalSec);
DrawVideoThumbnail(
g: g,
filenameAll: thumbsFile,
index: imageIndex,
xCenter: x1 + xCenteringOffset + i * (thumbPrefWidth + THUMB_MARGIN) + (thumbPrefWidth + THUMB_MARGIN) / 2,
yCenter: y1 + clipvh / 2,
preferredWidth: thumbPrefWidth,
maxWidth: clipw);
}
//bmpThumb.Dispose();
//origThumb.Dispose();
}
public void SetStillFrame(string filename, double offsetSeconds)
{
if (this.filenameVideo != filename && fileMapping != null)
{
disposeOfOldBmpThumbs();
this.filenameVideo = filename;
var filenameThumbs = fileMapping.AddGetThumbnailFilename(filename);
if (File.Exists(filenameThumbs))
{
bmpThumbs = System.Drawing.Image.FromFile(filenameThumbs, true) as Bitmap;
bmpThumbs_nRow = bmpThumbs.Width / ThumbnailTest.ThumbW;
bmpThumbs_nCol = bmpThumbs.Height / ThumbnailTest.ThumbH;
}
}
this.offsetSeconds = offsetSeconds;
Invalidate();
}
