private void make_thm(int width, int height, bool fix_ar, string format)
{
Bitmap bmp = null;
Graphics g = null;
AviSynthReader reader = null;
string new_script = m.script;
string thmpath = Calculate.RemoveExtention(m.outfilepath) + format;
SetLog("CREATING THM");
SetLog("------------------------------");
SetLog("Saving picture to: " + thmpath);
SetLog(format.ToUpper() + " " + width + "x" + height + " \r\n");
try
{
if (fix_ar)
{
int crop_w = 0, crop_h = 0;
double old_asp = m.outaspect;
double new_asp = (double)width / (double)height;
if (old_asp < new_asp)
{
crop_h = Math.Max(Convert.ToInt32((m.outresh - ((m.outresh * old_asp) / new_asp)) / 2), 0);
}
else if (old_asp > new_asp)
{
crop_w = Math.Max(Convert.ToInt32((m.outresw - (m.outresw / old_asp) * new_asp) / 2), 0);
}
new_script += ("Lanczos4Resize(" + width + ", " + height + ", " + crop_w + ", " + crop_h + ", -" + crop_w + ", -" + crop_h + ")\r\n");
}
reader = new AviSynthReader(AviSynthColorspace.RGB24, AudioSampleType.Undefined);
reader.ParseScript(new_script);
//проверка на выходы за пределы общего количества кадров
int frame = (m.thmframe > reader.FrameCount) ? reader.FrameCount / 2 : m.thmframe;
if (width == reader.Width && height == reader.Height)
{
bmp = new System.Drawing.Bitmap(reader.ReadFrameBitmap(frame));
}
else
{
bmp = new Bitmap(width, height);
g = Graphics.FromImage(bmp);
//метод интерполяции при ресайзе
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(reader.ReadFrameBitmap(frame), 0, 0, width, height);
}
if (format == "jpg")
{
//процент cжатия jpg
System.Drawing.Imaging.ImageCodecInfo[] info = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
//jpg
bmp.Save(thmpath, info[1], encoderParameters);
}
else if (format == "png")
{
//png
bmp.Save(thmpath, System.Drawing.Imaging.ImageFormat.Png);
}
else
{
//bmp
bmp.Save(thmpath, System.Drawing.Imaging.ImageFormat.Bmp);
}
}
catch (Exception ex)
{
SetLog("\r\nError creating THM: " + ex.Message.ToString() + Environment.NewLine);
}
finally
{
//завершение
if (g != null) { g.Dispose(); g = null; }
if (bmp != null) { bmp.Dispose(); bmp = null; }
if (reader != null) { reader.Close(); reader = null; }
SetLog("");
}
}
private void SavePicture(string path, int width, int height, bool fix_ar, int frame)
{
System.Drawing.Bitmap bmp = null;
System.Drawing.Graphics g = null;
AviSynthReader reader = null;
string new_script = m.script;
try
{
if (fix_ar && width != 0 && height != 0)
{
int crop_w = 0, crop_h = 0;
double old_asp = m.outaspect;
double new_asp = (double)width / (double)height;
if (old_asp < new_asp)
{
crop_h = Math.Max(Convert.ToInt32((m.outresh - ((m.outresh * old_asp) / new_asp)) / 2), 0);
}
else if (old_asp > new_asp)
{
crop_w = Math.Max(Convert.ToInt32((m.outresw - (m.outresw / old_asp) * new_asp) / 2), 0);
}
new_script += ("Lanczos4Resize(" + width + ", " + height + ", " + crop_w + ", " + crop_h + ", -" + crop_w + ", -" + crop_h + ")\r\n");
}
reader = new AviSynthReader(AviSynthColorspace.RGB24, AudioSampleType.Undefined);
reader.ParseScript(new_script);
if (width == 0 || height == 0 || (width == reader.Width && height == reader.Height))
{
bmp = new System.Drawing.Bitmap(reader.ReadFrameBitmap(frame));
}
else
{
bmp = new System.Drawing.Bitmap(width, height);
g = System.Drawing.Graphics.FromImage(bmp);
//метод интерполяции при ресайзе
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(reader.ReadFrameBitmap(frame), 0, 0, width, height);
}
string ext = Path.GetExtension(path).ToLower();
if (ext == ".jpg")
{
//процент cжатия jpg
System.Drawing.Imaging.ImageCodecInfo[] info = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
System.Drawing.Imaging.EncoderParameters encoderParameters = new System.Drawing.Imaging.EncoderParameters(1);
encoderParameters.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 95L);
//jpg
bmp.Save(path, info[1], encoderParameters);
}
else if (ext == ".png")
{
//png
bmp.Save(path, System.Drawing.Imaging.ImageFormat.Png);
}
else
{
//bmp
bmp.Save(path, System.Drawing.Imaging.ImageFormat.Bmp);
}
}
catch (Exception ex)
{
ErrorException("SavePicture: " + ex.Message, ex.StackTrace);
}
finally
{
//завершение
if (g != null) { g.Dispose(); g = null; }
if (bmp != null) { bmp.Dispose(); bmp = null; }
if (reader != null) { reader.Close(); reader = null; }
}
}