119 lines
3.3 KiB
C#
119 lines
3.3 KiB
C#
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namespace umbraco.editorControls.imagecropper
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{
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struct Crop
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{
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public int X;
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public int Y;
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public int X2;
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public int Y2;
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public Crop(int x, int y, int x2, int y2)
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{
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X = x;
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Y = y;
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X2 = x2;
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Y2 = y2;
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}
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}
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enum DefaultCropPosition
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{
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CenterCenter = 0,
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CenterTop,
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CenterBottom,
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LeftCenter,
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LeftTop,
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LeftBottom,
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RightCenter,
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RightTop,
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RightBottom
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}
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struct Preset
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{
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public string Name;
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public int TargetWidth;
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public int TargetHeight;
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public bool KeepAspect;
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public string PositionH;
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public string PositionV;
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public float Aspect
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{
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get { return (float)TargetWidth / TargetHeight; }
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}
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public Crop Fit(ImageInfo imageInfo)
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{
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Crop crop;
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if (Aspect >= imageInfo.Aspect)
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{
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// crop widest hor ver
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// relevant positioning: center top, center center, center bottom
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float h = ((float)imageInfo.Width / TargetWidth) * TargetHeight;
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crop.X = 0;
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crop.X2 = imageInfo.Width;
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switch(PositionV)
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{
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case "T":
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crop.Y = 0;
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crop.Y2 = (int)h;
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break;
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case "B":
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crop.Y = imageInfo.Height - (int)h;
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crop.Y2 = imageInfo.Height;
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break;
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default: // CC
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crop.Y = (int)(imageInfo.Height - h) / 2;
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crop.Y2 = (int)(crop.Y + h);
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break;
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}
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}
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else
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{
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// image widest
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// relevant positioning: left/right center, left/right top, left/right bottom
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float w = ((float)imageInfo.Height / TargetHeight) * TargetWidth;
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crop.Y = 0;
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crop.Y2 = imageInfo.Height;
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switch (PositionH)
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{
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case "L":
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crop.X = 0;
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crop.X2 = (int)w;
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break;
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case "R":
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crop.X = imageInfo.Width - (int)w;
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crop.X2 = imageInfo.Width;
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break;
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default: // CC
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crop.X = (int) (imageInfo.Width - w)/2;
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crop.X2 = (int) (crop.X + w);
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break;
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}
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}
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return crop;
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}
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public Preset(string name, int targetWidth, int targetHeight, bool keepAspect, string positionH, string positionV)
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{
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Name = name;
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TargetWidth = targetWidth;
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TargetHeight = targetHeight;
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KeepAspect = keepAspect;
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PositionH = positionH;
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PositionV = positionV;
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}
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}
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}
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