public static Image GetImageFromImageInfos(ImageInfos ImgInfos, bool DoCrop)
{
if (ImgInfos.Path == null)
{
return(null);
}
Image imgRes = Image.FromFile(ImgInfos.Path);
imgRes = Flip(imgRes, ImgInfos.Flip);
imgRes = Rotate(imgRes, ImgInfos.Rotate);
if (DoCrop)
{
if (ImgInfos.Crop.Left != -1)
{
imgRes = Crop(imgRes, ImgInfos.Crop);
}
else
{
ImgInfos.Crop = GetDefaultCropFromImageInfos(ImgInfos, imgRes.Size);
imgRes = Crop(imgRes, ImgInfos.Crop);
}
}
return(imgRes);
}
public static Rectangle GetDefaultCropFromImageInfos(ImageInfos ImgInfos, Size ImageSize)
{
float srcRatio = ((float)ImageSize.Width) / ((float)ImageSize.Height);
float destRatio = ((float)ImgInfos.Region.Width) / ((float)ImgInfos.Region.Height);
float left = 0;
float top = 0;
float width = (float)ImageSize.Width;
float height = (float)ImageSize.Height;
if (srcRatio > destRatio) //larger
{
width = height * destRatio;
left = ((float)ImageSize.Width - width) / 2F;
}
else //taller
{
height = width / destRatio;
top = ((float)ImageSize.Height - height) / 2F;
}
return(new Rectangle((int)left, (int)top, (int)width, (int)height));
}
private static List<ImageInfos> getEmptyGridTemplate(Size PhotoSize, Padding PhotoMargin, Size PageSize, Padding PageMargin)
{
// TODO add template creation
// TODO replace List<ImageInfos> with a real template class or struct
int ncols = (int)((float)(PageSize.Width - PageMargin.Left - PageMargin.Right)/(float)PhotoSize.Width);
int nrows = (int)((float)(PageSize.Height - PageMargin.Top - PageMargin.Bottom)/(float)PhotoSize.Height);
List<PhotoPatchworkLibs.ImageInfos> Template = new List<PhotoPatchworkLibs.ImageInfos>();
for (int col=0; col<ncols; col++) {
for (int row=0; row<nrows; row++) {
ImageInfos ii = new ImageInfos();
// TODO use isEmpty instead of -1 detection
ii.Crop = new Rectangle(-1, -1, -1, -1);
ii.Region = new Rectangle((PhotoSize.Width + PhotoMargin.Left + PhotoMargin.Right) * col - PhotoMargin.Right,
(PhotoSize.Height + PhotoMargin.Top + PhotoMargin.Bottom) * row - PhotoMargin.Bottom,
PhotoSize.Width,
PhotoSize.Height);
Template.Add(ii);
}
}
return Template;
}
public static Image GetImageFromImageInfos(ImageInfos ImgInfos)
{
return(GetImageFromImageInfos(ImgInfos, true));
}
public static Image GetImageFromImageInfos(ImageInfos ImgInfos, bool DoCrop)
{
if (ImgInfos.Path == null) {
return null;
}
Image imgRes = Image.FromFile(ImgInfos.Path);
imgRes = Flip(imgRes, ImgInfos.Flip);
imgRes = Rotate(imgRes, ImgInfos.Rotate);
if (DoCrop) {
if (ImgInfos.Crop.Left != -1) {
imgRes = Crop(imgRes, ImgInfos.Crop);
} else {
ImgInfos.Crop = GetDefaultCropFromImageInfos(ImgInfos, imgRes.Size);
imgRes = Crop(imgRes, ImgInfos.Crop);
}
}
return imgRes;
}
public static Image GetImageFromImageInfos(ImageInfos ImgInfos)
{
return GetImageFromImageInfos (ImgInfos, true);
}
public static Rectangle GetDefaultCropFromImageInfos(ImageInfos ImgInfos, Size ImageSize)
{
float srcRatio = ((float)ImageSize.Width)/((float)ImageSize.Height);
float destRatio = ((float)ImgInfos.Region.Width)/((float)ImgInfos.Region.Height);
float left = 0;
float top = 0;
float width = (float)ImageSize.Width;
float height = (float)ImageSize.Height;
if (srcRatio>destRatio) {//larger
width = height*destRatio;
left = ((float)ImageSize.Width-width)/2F;
} else {//taller
height = width/destRatio;
top = ((float)ImageSize.Height-height)/2F;
}
return new Rectangle((int)left, (int)top, (int)width, (int)height);
}