public async void OKImageEditing(object sender, EventArgs e)
{
//c.CW("OKImageEditing xDist " + xDist + " yDist " + yDist + " intrW " + intrinsicWidth + " intrH " + intrinsicHeight + " scaleFactor " + scaleFactor + " img left " + ImageEditor.Frame.Left + " frame left " + ImageEditorFrameBorder.Frame.Left + " img top " + ImageEditor.Frame.Top + " frame top " + ImageEditorFrameBorder.Frame.Top);
//for device rotation, otherwise retains the set float values
xDist = ImageEditor.Center.X - ImageEditorFrameBorder.Center.X;
yDist = ImageEditor.Center.Y - ImageEditorFrameBorder.Center.Y;
//c.CW("OKImageEditing new xDist " + xDist + " yDist " + yDist);
if (IsOutOfFrameX(xDist) || IsOutOfFrameY(yDist))
{
c.Alert(LangEnglish.ImageEditorAlert);
return;
}
nfloat w = ImageEditor.Image.Size.Width;
nfloat h = ImageEditor.Image.Size.Height;
nfloat x = ((intrinsicWidth * scaleFactor - ImageEditorFrameBorder.Frame.Width) / 2 - xDist) * w / (intrinsicWidth * scaleFactor);
nfloat y = ((intrinsicHeight * scaleFactor - ImageEditorFrameBorder.Frame.Height) / 2 - yDist) * h / (intrinsicHeight * scaleFactor);
nfloat cropW = ImageEditorFrameBorder.Frame.Width * w / (intrinsicWidth * scaleFactor);
nfloat cropH = cropW;
//c.CW("OKImageEditing borderW " + ImageEditorFrameBorder.Frame.Width + " imageDisplayW " + ImageEditor.Frame.Width + " imgW " + w + " imgH " + h + " startX " + x + " startY " + y + " W " + cropW + " H " + cropH);
/*
* iPhone 11 Pro display issues in landscape
*
*
* Pink flowers
* Right edge is 3 px to right in 3x zoom
*
* OKImageEditing xDist -430.5 yDist 287 intrW 382.666666666667 intrH 287 scaleFactor 3 img left -598.333333333333 frame left 262.666666666667 img top 68 frame top 68
* IsOutOfFrameX 574 574
* IsOutOfFrameY 430.5 430.5
* OKImageEditing borderW 287 imageDisplayW 1148 imgW 4032 imgH 3024 startX 3024 startY 0 W 1008 H 1008
*
* img w 1148 dp
* frame right: 549,666 dp 1649 px
* img right = frame right, actual 1652 px
*
*
* Pink flowers
* Right edge 1 px to right in 1x zoom
*
* OKImageEditing xDist -47.8333333333333 yDist 0 intrW 382.666666666667 intrH 287 scaleFactor 1 img left 167 frame left 262.666666666667 img top 68 frame top 68
* IsOutOfFrameX 191.333333333333 191.333333333333
* IsOutOfFrameY 143.5 143.5
* OKImageEditing borderW 287 imageDisplayW 382.666666666667 imgW 4032 imgH 3024 startX 1008 startY 0 W 3024 H 3024
*
* img w 382.666
* img right 549.666 dp 1649 px actual 1650 px
*
*
* Cactus flower / tree leaves
* Right edge is -1 px to left in 3x zoom
*
* OKImageEditing xDist -504.668539325843 yDist 287 intrW 432.112359550562 intrH 287 scaleFactor 3 img left -746.501872659176 frame left 262.666666666667 img top 68 frame top 68
* IsOutOfFrameX 648.168539325843 648.168539325843
* IsOutOfFrameY 430.5 430.5
* OKImageEditing borderW 287 imageDisplayW 1296 imgW 4288 imgH 2848 startX 3338.66666666667 startY 0 W 949.333333333333 H 949.333333333333
*
* img w 1296.337077 dp
* img right 549.835205 dp 1649,505615 px actual 1648 px
*/
UIImage im = CropImage(ImageEditor.Image, (int)Math.Round(x), (int)Math.Round(y), (int)Math.Round(cropW), (int)Math.Round(cropH));
c.Log("Cropped width " + im.Size.Width + " height " + im.Size.Height);
var documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string cacheDir = Path.Combine(documents, "..", "Library/Caches");
string fileName = Path.Combine(cacheDir, selectedImageName);
string ext = selectedImageName.Substring(selectedImageName.LastIndexOf(".") + 1).ToLower();
NSData data;
if (ext == "jpg" || ext == "jpeg")
{
data = im.AsJPEG(); //default compression quality is 1. File size example: 0.99: 1710751, 1: 3502822
}
else
{
data = im.AsPNG();
}
if (!data.Save(fileName, false, out NSError error))
{
c.ReportError("Error while cropping image: " + error.LocalizedDescription);
}
else
{
ImageEditorControls.Hidden = true;
TopSeparator.Hidden = true;
ImageEditorStatus.Hidden = true;
ImageEditor.Hidden = true;
ImageEditorFrame.Hidden = true;
ImageEditorFrameBorder.Hidden = true;
ImageEditor.Image = null;
await UploadFile(fileName, RegisterActivity.regsessionid); //works for profile edit too
}
}