Grayscale image: Difference between revisions
Content added Content deleted
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Resource: [[Media:flowersfb.jpg]] |
Resource: [[Media:flowersfb.jpg]] |
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<syntaxhighlight lang="text"> |
<syntaxhighlight lang="text">include resources "Flowersfb.jpg" |
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include resources "flowers.jpg" |
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_window = 1 |
_window = 1 |
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begin enum output 1 |
begin enum output 1 |
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_imageviewColor |
_imageviewColor |
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_imageviewGray |
_imageviewGray |
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end enum |
end enum |
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void local fn BuildWindow |
void local fn BuildWindow |
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CGRect r = fn CGRectMake( 0, 0, 580, 300 ) |
CGRect r = fn CGRectMake( 0, 0, 580, 300 ) |
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window _window, @"Color to Grayscale", r |
window _window, @"Color to Grayscale", r |
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r = fn CGRectMake( 20, 20, 260, 260 ) |
r = fn CGRectMake( 20, 20, 260, 260 ) |
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imageview _imageviewColor, YES, @" |
imageview _imageviewColor, YES, @"Flowersfb.jpg", r, NSImageScaleAxesIndependently, NSImageAlignCenter, NSImageFramePhoto |
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r = fn CGRectMake( 300, 20, 260, 260 ) |
r = fn CGRectMake( 300, 20, 260, 260 ) |
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imageview _imageviewGray, YES, @" |
imageview _imageviewGray, YES, @"Flowersfb.jpg", r, NSImageScaleAxesIndependently, NSImageAlignCenter, NSImageFramePhoto |
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end fn |
end fn |
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local fn GrayscaleImage( image as ImageRef ) as ImageRef |
local fn GrayscaleImage( image as ImageRef ) as ImageRef |
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CGSize size = fn ImageSize( image ) |
CGSize size = fn ImageSize( image ) |
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CGRect bounds = fn CGRectMake( 0, 0, size.width, size.height ) |
CGRect bounds = fn CGRectMake( 0, 0, size.width, size.height ) |
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ImageRef finalImage = fn ImageWithSize( size ) |
ImageRef finalImage = fn ImageWithSize( size ) |
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CFDataRef dta = fn ImageTIFFRepresentationUsingCompression( image, NSTIFFCompressionNone, 0.0 ) |
CFDataRef dta = fn ImageTIFFRepresentationUsingCompression( image, NSTIFFCompressionNone, 0.0 ) |
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CIImageRef inputImage = fn CIImageWithData( dta ) |
CIImageRef inputImage = fn CIImageWithData( dta ) |
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ImageLockFocus( finalImage ) |
ImageLockFocus( finalImage ) |
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CIFilterRef filter = fn CIFilterWithNameAndInputParameters( @"CIPhotoEffectMono", @{kCIInputImageKey:inputImage} ) |
CIFilterRef filter = fn CIFilterWithNameAndInputParameters( @"CIPhotoEffectMono", @{kCIInputImageKey:inputImage} ) |
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CIImageRef outputCIImage = fn CIFilterOutputImage( filter ) |
CIImageRef outputCIImage = fn CIFilterOutputImage( filter ) |
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CIImageDrawAtPoint( outputCIImage, CGPointZero, bounds, NSCompositeCopy, 1.0 ) |
CIImageDrawAtPoint( outputCIImage, CGPointZero, bounds, NSCompositeCopy, 1.0 ) |
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ImageUnlockFocus( finalImage ) |
ImageUnlockFocus( finalImage ) |
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end fn = finalImage |
end fn = finalImage |
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ImageRef grayflowers |
ImageRef grayflowers |
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colorFlowers = fn ImageNamed( @" |
colorFlowers = fn ImageNamed( @"Flowersfb.jpg" ) |
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grayflowers = fn GrayscaleImage( colorFlowers ) |
grayflowers = fn GrayscaleImage( colorFlowers ) |
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ImageViewSetImage( _imageviewGray, grayFlowers ) |
ImageViewSetImage( _imageviewGray, grayFlowers ) |
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HandleEvents |
HandleEvents</syntaxhighlight> |
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</syntaxhighlight> |
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{{output}} |
{{output}} |
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[[File:Color to Grayscale.png]] |
[[File:Color to Grayscale.png]] |
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