private void setResizeMetdhod(ResizeMethod.Method method)
{
int index = -1;
log.debug("Changing resize method to {0}", method.ToString());
foreach (object obj in resizeMethodCmBx.Items)
{
index += 1;
ResizeMethod m = (ResizeMethod)obj;
if (m.method == method)
{
resizeMethodCmBx.SelectedIndex = index;
return;
}
}
throw new Exception("Internal error, method not found on available list on GUI");
}
public Profile(string name, ResizeMethod.Method method, int width, int height, bool is_fixed)
{
this.name = name;
this.method = method;
this.width = width;
this.height = height;
this.is_fixed = is_fixed; // To indicate which profiles can be removed and which are fixed on the application
}
void resize_image(string input_path, string output_folder, ResizeMethod.Method method, int box_width, int box_height)
{
log.debug("Resizing image");
log.debug(" Source.......: " + input_path);
log.debug(" Output folder: " + output_folder);
log.debug(" Method.......: " + method);
log.debug(" Box Width....: " + box_width);
log.debug(" Box Height...: " + box_height);
Image loaded_image = Image.FromFile(input_path);
Image output_image;
int source_width = loaded_image.Width;
int source_height = loaded_image.Height;
int source_x = -1;
int source_y = -1;
int destination_x = -1;
int destination_y = -1;
int destination_width = -1;
int destination_height = -1;
source_width = loaded_image.Width;
source_height = loaded_image.Height;
if (method == ResizeMethod.Method.stretch)
{
source_x = 0;
source_y = 0;
destination_x = 0;
destination_y = 0;
destination_height = box_height < source_height ? box_height : source_height;
destination_width = box_width < source_width ? box_width : source_width;
}
else if (method == ResizeMethod.Method.fit_on_box)
{
double boxRatio = Convert.ToDouble(box_width) / Convert.ToDouble(box_height);
double sourceRatio = Convert.ToDouble(source_width) / Convert.ToDouble(source_height);
if (sourceRatio > boxRatio)
{
// original ratio is larger than destination ratio. Thus, image width will match box's width and height will be smaller
destination_width = box_width < source_width ? box_width : source_width;
destination_height = (int)(destination_width / sourceRatio);
}
else
{
destination_height = box_height < source_height ? box_height : source_height;
destination_width = (int)(sourceRatio * destination_height);
}
source_x = 0;
source_y = 0;
destination_x = 0;
destination_y = 0;
}
else if (method == ResizeMethod.Method.cut_excess)
{
double boxRatio = Convert.ToDouble(box_width) / Convert.ToDouble(box_height);
double sourceRatio = Convert.ToDouble(source_width) / Convert.ToDouble(source_height);
log.debug("Resize intermediate parameters:");
log.debug(" Box Ratio........: " + boxRatio);
log.debug(" Source Ratio.....: " + sourceRatio);
if (source_width < destination_width && source_height < destination_height)
{
log.debug("Source image fits on output box, not cutting any side of the image");
source_x = 0;
source_y = 0;
destination_x = 0;
destination_y = 0;
destination_height = source_height;
destination_width = source_width;
}
else if (sourceRatio > boxRatio)
{
// original image is wider than the box target and it's ratio is also wider.
// Then, need to reduce image height in order to
// 1) don't stretch image
// 2) Meet box size
destination_width = box_width;
double taken_width = -1.0;
if (source_height > box_height)
{
destination_height = box_height;
taken_width = boxRatio * Convert.ToDouble(source_height);
}
else
{
destination_height = source_height;
taken_width = box_width;
}
int excess_side = (int)((source_width - taken_width) / 2);
log.debug(" Taken width......: " + taken_width);
log.debug(" Excess side......: " + excess_side);
source_width = (int)taken_width;
source_y = 0;
source_x = (int)excess_side;
destination_x = 0;
destination_y = 0;
}
else
{
// original image is higher than the box target and it's ratio is also higher.
// Then, need to reduce image height in order to
// 1) don't stretch image
// 2) Meet box size
destination_height = box_height;
double taken_height = -1.0;
if (source_width > box_width)
{
destination_width = box_width;
taken_height = Convert.ToDouble(source_width) / boxRatio;
}
else
{
destination_width = source_width;
taken_height = box_height;
}
int excess_top = (int)((source_height - taken_height) / 2);
log.debug(" Taken height.....: " + taken_height);
log.debug(" Excess top.......: " + excess_top);
source_height = (int)taken_height;
source_y = excess_top;
source_x = 0;
destination_x = 0;
destination_y = 0;
}
}
else if (method == ResizeMethod.Method.add_fill)
{
double boxRatio = Convert.ToDouble(box_width) / Convert.ToDouble(box_height);
double sourceRatio = Convert.ToDouble(source_width) / Convert.ToDouble(source_height);
if (sourceRatio > boxRatio)
{
// original ratio is larger than destination ratio. Thus, image width will match box's width and height will be smaller
destination_width = box_width < source_width ? box_width : source_width;
destination_height = (int)(destination_width / sourceRatio);
}
else
{
destination_height = box_height < source_height ? box_height : source_height;
destination_width = (int)(sourceRatio * destination_height);
}
source_x = 0;
source_y = 0;
destination_x = 0;
destination_y = 0;
}
else
{
log.error("Unsupported resize method: {0}", method);
throw new Exception(string.Format("Internal error, unsupported resize method: {0}", method));
return;
}
log.debug("Resize caulculated parameters:");
log.debug(" Source Width......: " + source_width);
log.debug(" Source Height.....: " + source_height);
log.debug(" Source X..........: " + source_x);
log.debug(" Source Y..........: " + source_y);
log.debug(" Destination X.....: " + destination_x);
log.debug(" Destination Y.....: " + destination_y);
log.debug(" Destination Width.: " + destination_width);
log.debug(" Destination Height: " + destination_height);
Bitmap bmPhoto = new Bitmap(destination_width, destination_height,
PixelFormat.Format24bppRgb);
bmPhoto.SetResolution(loaded_image.HorizontalResolution,
loaded_image.VerticalResolution);
Graphics grPhoto = Graphics.FromImage(bmPhoto);
grPhoto.InterpolationMode = InterpolationMode.HighQualityBicubic;
grPhoto.DrawImage(loaded_image,
new Rectangle(destination_x, destination_y, destination_width, destination_height),
new Rectangle(source_x, source_y, source_width, source_height),
GraphicsUnit.Pixel);
grPhoto.Dispose();
output_image = bmPhoto;
//List<ImageCodecInfo> ici = new List<ImageCodecInfo>();
//ici.AddRange(ImageCodecInfo.GetImageEncoders());
log.warning("Missing to add encoding compression level into the output format");
//ici.MimeType
output_image.Save(Path.Combine(output_folder, Path.GetFileName(input_path)), ImageFormat.Jpeg);
loaded_image.Dispose();
output_image.Dispose();
}
private void setResizeMetdhod(ResizeMethod.Method method)
{
int index = -1;
log.debug("Changing resize method to {0}", method.ToString());
foreach (object obj in resizeMethodCmBx.Items)
{
index += 1;
ResizeMethod m = (ResizeMethod)obj;
if (m.method == method) {
resizeMethodCmBx.SelectedIndex = index;
return;
}
}
throw new Exception("Internal error, method not found on available list on GUI");
}