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ADD: uDarwinImageUtil on macOS

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(cherry picked from commit babc01608c)
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rich2014 2025-12-08 22:47:38 +08:00 • committed by Alexander Koblov
commit caeb2c0412
2 changed files with 57 additions and 1 deletions
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7
src/doublecmd.lpi
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@ -332,7 +332,7 @@ end;"/>
<PackageName Value="Image32"/>
</Item13>
</RequiredPackages>
<Units Count="293">
<Units Count="294">
<Unit0>
<Filename Value="doublecmd.lpr"/>
<IsPartOfProject Value="True"/>
@ -2129,6 +2129,11 @@ end;"/>
<IsPartOfProject Value="True"/>
<UnitName Value="uDarwinFileUtil"/>
</Unit292>
<Unit293>
<Filename Value="platform\unix\darwin\udarwinimageutil.pas"/>
<IsPartOfProject Value="True"/>
<UnitName Value="uDarwinImageUtil"/>
</Unit293>
</Units>
</ProjectOptions>
<CompilerOptions>

51
src/platform/unix/darwin/udarwinimageutil.pas Normal file
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@ -0,0 +1,51 @@
unit uDarwinImageUtil;
{$mode delphi}
{$modeswitch objectivec2}
interface
uses
Classes, SysUtils,
CocoaAll, CocoaUtils;
type
{ TDarwinImageUtil }
TDarwinImageUtil = class
public
class function filt( const filterName: NSString; const sourceImage: NSImage ): NSImage;
class function invertColor( const sourceImage: NSImage ): NSImage;
end;
implementation
class function TDarwinImageUtil.filt(
const filterName: NSString;
const sourceImage: NSImage ): NSImage;
var
tiffData: NSData;
inputImage: CIImage;
outputImage: CIImage;
filter: CIFilter;
rep: NSCIImageRep;
begin
tiffData:= sourceImage.TIFFRepresentation;
inputImage:= CIImage.imageWithData( tiffData );
filter:= CIFilter.filterWithName( filterName );
filter.setValue_forKey( inputImage, kCIInputImageKey );
outputImage:= filter.valueForKey( kCIOutputImageKey );
rep:= NSCIImageRep.imageRepWithCIImage( outputImage );
Result:= NSImage.alloc.initWithSize( sourceImage.size );
Result.addRepresentation( rep );
Result.autorelease;
end;
class function TDarwinImageUtil.invertColor( const sourceImage: NSImage ): NSImage;
begin
Result:= filt( NSSTR('CIColorInvert'), sourceImage );
end;
end.