The "Every Method" editing demo allows you to preview 300 editing, analysis and effects methods.
Image Editing Methods
◼Analysis Methods
◼Color Adjustment Methods
◼Color Depth Methods
◼Detection Methods
◼Effects Methods
◼Filter Methods
◼Geometric Methods
◼Painting and Alpha Methods
◼Smoothing Methods
◼Other Methods
◼Interactive Tools
Test Images
ImageEnView1.IO.LoadFromFile( 'D:\ImageTest1.jpg' );
CropSel
// Make circular selection of entire image and crop
ImageEnView1.SelectionBase := iesbBitmap;
ImageEnView1.SelectEllipse(ImageEnView1.IEBitmap.Width div 2,
ImageEnView1.IEBitmap.Height div 2,
ImageEnView1.IEBitmap.Width,
ImageEnView1.IEBitmap.Height);
ImageEnView1.Proc.CropSel();
Crop
// Crop 25% of all sides of the image
ImageEnView1.Proc.Crop( ImageEnView1.IEBitmap.Width div 4,
ImageEnView1.IEBitmap.Height div 4,
MulDiv( ImageEnView1.IEBitmap.Width, 3, 4 ),
MulDiv( ImageEnView1.IEBitmap.Height, 3, 4 ));
// Crop 10% from top-left corner, and 30% from bottom-right corner and stretch
// by specifying 4 points (which will become the new corners)
x1 := MulDiv( ImageEnView1.IEBitmap.Width, 10, 100 );
y1 := MulDiv( ImageEnView1.IEBitmap.Height, 10, 100 );
x2 := ImageEnView1.IEBitmap.Width - MulDiv( ImageEnView1.IEBitmap.Width, 30, 100 );
y2 := ImageEnView1.IEBitmap.Height - MulDiv( ImageEnView1.IEBitmap.Height, 30, 100 );
ImageEnView1.Proc.Crop([ DPoint( x1, y1 ), // Top-Left corner
DPoint( ImageEnView1.IEBitmap.Width, 0 ), // Top-right corner
DPoint( x2, y2 ), // Bottom-right corner
DPoint( 0, ImageEnView1.IEBitmap.Height ) // Bottom-Left corner
]);
// Crop the image to a random shape
ImageEnView1.Proc.Crop( 0, 0, ImageEnView1.IEBitmap.Width, ImageEnView1.IEBitmap.Height, TIEShape( Random( ord( High( TIEShape )) - 1 )), clNone, False );
Flip
// Flip the image horizontally
ImageEnView1.Proc.Flip( fdHorizontal );
ImageResize
// Add a black border to the image
ImageEnView1.Proc.ImageResize( ImageEnView1.IEBitmap.Width + 20,
ImageEnView1.IEBitmap.Height + 20,
iehCenter, ievCenter,
255, clBlack );
Resample
// Scale the image to half size
ImageEnView1.Proc.Resample( 0.5, rfLanczos3 );
Rotate
// Rotate the image 90° counter-clockwise
ImageEnView1.Proc.Rotate( 90 );
RotateAndCrop
// Rotate the image 15° counter-clockwise and crop to maintain only image area
ImageEnView1.Proc.RotateAndCrop( 15, ierBicubic, 0, iecaAngledPhoto );
RoundImage
// Add round corners to the image
ImageEnView1.Proc.RoundImage( ImageEnView1.IEBitmap.Width div 10,
ImageEnView1.IEBitmap.Height div 10 );
ShiftChannel
// Shift to -5 horizontally and -2 vertically in the Blue channel, filling new areas with 0
ImageEnView1.Proc.ShiftChannel( -5, -2, iecBlue, 0 );
PerspectiveDraw
// Perspective drawing image offset on left
yOffset := 0;
ImageEnView1.IEBitmap.Allocate( 300, 300, clBlack );
ImageEnView1.Proc.PerspectiveDraw( srcBMP, // Source image
0, yOffset, // Top-left
ImageEnView1.IEBitmap.Width - 1, 0, // top-Right
ImageEnView1.IEBitmap.Width - 1, ImageEnView1.IEBitmap.Height - 1, // Bottom-right
0, ImageEnView1.IEBitmap.Height - yOffset, // Bottom-left
-1, -1, true);
AutoCrop
// Load test image
ImageEnView1.IO.LoadFromFile( 'D:\TestImage.jpg' );
// Remove any black border from the image (with tolerance of 30)
ImageEnView1.Proc.AutoCrop( 30, clBlack );
CropTransparentBorder
// Load test image
ImageEnView1.IO.LoadFromFile( 'D:\TestImage.jpg' );
// Remove any transparent area from the edge of the image
ImageEnView1.Proc.CropTransparentBorder();
RadialStretch
// Minor correction of pin cushion effect in image
a := 0.045;
b := 0;
c := 0;
d := 1.0 - (a+b+c);
ImageEnView1.Proc.RadialStretch( a, b, c, d,
a, b, c, d,
a, b, c, d );
thinPlateSplineShapeTransform (IEVision)
// Apply a Thin Plate Spline Shape Transformation to an image
srcPoints := IEVisionLib().createVectorPoint2f();
dstPoints := IEVisionLib().createVectorPoint2f();
// Create a four point selection of the middle third of the image
// TL
srcPoints.push_back( IEVisionPoint2f( 50, 50 ));
dstPoints.push_back( IEVisionPoint2f( 50, 50 ));
// TR
srcPoints.push_back( IEVisionPoint2f( 250, 50 ));
dstPoints.push_back( IEVisionPoint2f( 250, 50 ));
// BR
srcPoints.push_back( IEVisionPoint2f( 50, 250 ));
dstPoints.push_back( IEVisionPoint2f( 50, 250 ));
// BL
srcPoints.push_back( IEVisionPoint2f( 250, 250 ));
dstPoints.push_back( IEVisionPoint2f( 300, 300 )); // Offset bottom right to edge
im := SourceIEViewer.IEBitmap.GetIEVisionImage().thinPlateSplineShapeTransform( srcPoints, dstPoints );
DestIEViewer.IEBitmap.AssignIEVisionImage( im );
Warp
// Push the center of the image to the right
ImageEnView1.Proc.Warp( Point( 150, 150 ), 25, 0, 50 );
JoinBitmaps
// Joining two bitmaps that are 300px wide with some overlapping content
// Join two images horizontally and display them (without checking for overlapping content)
bmpL := TIEBitmap.Create();
bmpR := TIEBitmap.Create();
bmpL.Read( 'D:\JoinBitmap_Left.png' );
bmpR.Read( 'D:\JoinBitmap_Right.png' );
ImageEnView1.Proc.JoinBitmaps( bmpL, bmpR, False, clNone );
bmpL.Free();
bmpR.Free();
// Result is 600px wide - Overlap remains
// Join two images horizontally and display them (performing a non-exhaustive search for overlapping content)
bmpL := TIEBitmap.Create();
bmpR := TIEBitmap.Create();
bmpL.Read( 'D:\JoinBitmap_Left.png' );
bmpR.Read( 'D:\JoinBitmap_Right.png' );
ImageEnView1.Proc.JoinBitmaps( bmpL, bmpR, False, clNone, True, 0.99 );
bmpL.Free();
bmpR.Free();
// Result is 477px wide - Small amount of overlap remains
// Join two images horizontally and display them (performing anon-exhaustive search for overlapping content)
bmpL := TIEBitmap.Create();
bmpR := TIEBitmap.Create();
bmpL.Read( 'D:\JoinBitmap_Left.png' );
bmpR.Read( 'D:\JoinBitmap_Right.png' );
ImageEnView1.Proc.JoinBitmaps( bmpL, bmpR, False, clNone, True, 0.8, True );
bmpL.Free();
bmpR.Free();
// Result is 473px wide - Overlap is correctly removed
See Also
◼Analysis Methods◼Color Adjustment Methods
◼Color Depth Methods
◼Detection Methods
◼Effects Methods
◼Filter Methods
◼Geometric Methods
◼Painting and Alpha Methods
◼Smoothing Methods
◼Other Methods
◼Interactive Tools