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Added a rectangle option to CropperImageView #3

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Added a rectangle option to CropperImageView #3

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d089ffd
Update GeometryType.cs
JoaoCarlosBessa Mar 11, 2025
8cc37ae
Update CropperImageView.xaml.cs
JoaoCarlosBessa Mar 11, 2025
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95 changes: 73 additions & 22 deletions CropperImage.MAUI/CropperImageView.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -720,32 +720,63 @@ private void SkCanvas_PaintSurface(object sender, SKPaintSurfaceEventArgs e)
if (cropping)
{
canvas.Clear();
if (CropperRadiusPer > 0)
float CropRadius = Math.Min(e.Info.Width, e.Info.Height) /2 * CropperRadiusPer / 100f;
float cropX, cropY, cropWidth, cropHeight;

if (CropperFigure == GeometryType.Circle)
{
float CropRadius = Math.Min(e.Info.Width, e.Info.Height) / 2 * CropperRadiusPer / 100f;
if (!cropRect && CropperFigure == GeometryType.Circle)
canvas.ClipRoundRect(new SKRoundRect(SKRect.Create(e.Info.Width / 2 - CropRadius, e.Info.Height / 2 - CropRadius, CropRadius * 2, CropRadius * 2), CropRadius * 2));
var pictureFrameCrop = SKRect.Create(imageX, imageY, e.Info.Width * imageScale, e.Info.Height * imageScale);
var destCrop = pictureFrameCrop.AspectFit(new SKSize(image.Width, image.Height));
canvas.DrawImage(image, destCrop);
var snap = e.Surface.Snapshot(SKRectI.Create((int)(e.Info.Width / 2 - CropRadius), (int)(e.Info.Height / 2 - CropRadius), (int)(CropRadius * 2), (int)(CropRadius * 2)));
croppedImage = snap;
imageData = snap.Encode().ToArray();
cropX = e.Info.Width / 2 - CropRadius;
cropY = e.Info.Height / 2 - CropRadius;
cropWidth = CropRadius * 2;
cropHeight = CropRadius * 2;

//I didn't understand the reason to put this here but I left it here anyway
if (!cropRect)
{
canvas.ClipRoundRect(new SKRoundRect(SKRect.Create(cropX, cropY, cropWidth, cropHeight), CropRadius * 2));
}
}
else
else if (CropperFigure == GeometryType.Square)
{
var pictureFrameCrop = SKRect.Create(imageX, imageY, e.Info.Width * imageScale, e.Info.Height * imageScale);
var destCrop = pictureFrameCrop.AspectFit(new SKSize(image.Width, image.Height));
canvas.DrawImage(image, destCrop);
var snap = e.Surface.Snapshot();
croppedImage = snap;
imageData = snap.Encode().ToArray();
cropX = e.Info.Width / 2 - CropRadius;
cropY = e.Info.Height / 2 - CropRadius;
cropWidth = CropRadius * 2;
cropHeight = CropRadius * 2;

canvas.ClipRect(SKRect.Create(cropX, cropY, cropWidth, cropHeight));
}
if (EditMode)
canvas.Clear(BackgroundColor != null ? BackgroundColor.ToSKColor() : SKColors.White);
else
canvas.Clear();
{
//Rectangle crop
//4:3 aspectRatio
float aspectRatio = 4f / 3f;

// I didn't think about having a way to let people change this
cropWidth = e.Info.Width * 0.9f; // adjust width
cropHeight = (cropWidth / aspectRatio) * 0.8f // adjust height

//Just to ensure it fits within bounds
if (cropHeight > e.Info.Height)
{
cropHeight = e.Info.Width * 0.7f;
cropWidth = cropHeight * aspectRatio;
}

cropX = (e.Info.Width - cropWidth) / 2;
cropY = (e.Info.Height - cropHeight) / 2;

canvas.ClipRect(SKRect.Create(cropX, cropY, cropWidth, cropHeight));
}

var pictureFrameCrop = SKRect.Create(imageX, imageY, e.Info.Width * imageScale, e.Info.Height * imageScale);
var destCrop = pictureFrameCrop.AspectFit(new SKSize(image.Width, image.Height));
canvas.DrawImage (image, destCrop);

var snap = e.Surface.Snapshot(SKRectI.Create((int)cropX, (int)cropY, (int)cropWidth, (int)cropHeight));
croppedImage = snap;
imageData = snap.Encode().ToArray();
}

var pictureFrame = SKRect.Create(imageX, imageY, e.Info.Width * imageScale, e.Info.Height * imageScale);
var dest = pictureFrame.AspectFit(new SKSize(image.Width, image.Height));
canvas.DrawImage(image, dest);
Expand All @@ -765,8 +796,28 @@ private void SkCanvas_PaintSurface(object sender, SKPaintSurfaceEventArgs e)
maskPath.Close();
if (CropperFigure == GeometryType.Circle)
canvas.ClipRoundRect(new SKRoundRect(SKRect.Create(e.Info.Width / 2 - CropRadius, e.Info.Height / 2 - CropRadius, CropRadius * 2, CropRadius * 2), CropRadius * 2), SKClipOperation.Difference);
else
else if (CropperFigure == GeometryType.Square)
canvas.ClipRect(SKRect.Create(e.Info.Width / 2 - CropRadius, e.Info.Height / 2 - CropRadius, CropRadius * 2, CropRadius * 2), SKClipOperation.Difference);
else
{
//Rectangle outline
float aspectRatio = 4f / 3f;

float cropWidth = e.Info.Width * 0.9f; //Adjust width
float cropHeight = (cropWidth / aspectRatio) * 0.8f;

//Just to ensure it fits within the canvas
if (cropHeight > e.Info.Height)
{
cropHeight = e.Info.Height * 0.7f;
cropWidth = cropHeight * aspectRatio;
}

float cropX = (e.Info.Width - cropWidth) / 2;
float cropY - (e,Info.Height - cropHeight) / 2;

canvas.ClipRect(SKRect.Create(cropX, cropY, cropWidth, cropHeight), SKClipOperation.Difference);
}
canvas.DrawPaint(cropPaint);
}
}
Expand All @@ -785,4 +836,4 @@ private static void DefineDefaultStyles()
STYLESINITIATED = true;
}
}
}
}
3 changes: 2 additions & 1 deletion CropperImage.MAUI/GeometryType.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,5 +3,6 @@
public enum GeometryType
{
Circle,
Square
Square,
Rectangle
}