diff options
| -rw-r--r-- | dmagick/Image.d | 94 |
1 files changed, 87 insertions, 7 deletions
diff --git a/dmagick/Image.d b/dmagick/Image.d index fb35cc1..87cf0fd 100644 --- a/dmagick/Image.d +++ b/dmagick/Image.d @@ -1217,6 +1217,20 @@ class Image } /** + * Applies a value to the image with an arithmetic, relational, or + * logical operator to an image. Use these operations to lighten or + * darken an image, to increase or decrease contrast in an image, or + * to produce the "negative" of an image. + * + * See_Also: $(LINK2 http://www.imagemagick.org/script/command-line-options.php#evaluate, + * ImageMagick's -evaluate option). + */ + void evaluate(MagickEvaluateOperator op, double value, ChannelType channel = ChannelType.DefaultChannels) + { + EvaluateImageChannel(imageRef, channel, op, value, DMagickExceptionInfo()); + } + + /** * This method is very similar to crop. It extracts the rectangle * specified by its arguments from the image and returns it as a new * image. However, excerpt does not respect the virtual page offset and @@ -1680,7 +1694,11 @@ class Image * gamma = Specifies the gamma correction to apply to the image. * channel = The channels to level. */ - void level(Quantum blackPoint = 0, Quantum whitePoint = QuantumRange, double gamma = 1, ChannelType channel = ChannelType.DefaultChannels) + void level( + Quantum blackPoint = 0, + Quantum whitePoint = QuantumRange, + double gamma = 1, + ChannelType channel = ChannelType.DefaultChannels) { LevelImageChannel(imageRef, channel, blackPoint, whitePoint, gamma); @@ -1704,7 +1722,11 @@ class Image * gamma = Specifies the gamma correction to apply to the image. * channel = The channels to level. */ - void levelize(Quantum blackPoint = 0, Quantum whitePoint = QuantumRange, double gamma = 1, ChannelType channel = ChannelType.DefaultChannels) + void levelize( + Quantum blackPoint = 0, + Quantum whitePoint = QuantumRange, + double gamma = 1, + ChannelType channel = ChannelType.DefaultChannels) { LevelizeImageChannel(imageRef, channel, blackPoint, whitePoint, gamma); @@ -1822,7 +1844,11 @@ class Image * angle = The angle (in degrees) of the blurring motion. * channel = The affected channels. */ - void motionBlur(double radius = 0, double sigma = 1, double angle = 0, ChannelType channel = ChannelType.DefaultChannels) + void motionBlur( + double radius = 0, + double sigma = 1, + double angle = 0, + ChannelType channel = ChannelType.DefaultChannels) { MagickCoreImage* image = MotionBlurImageChannel(imageRef, channel, radius, sigma, angle, DMagickExceptionInfo()); @@ -2020,12 +2046,68 @@ class Image foreach( i, arg; arguments ) args[i] = toStringz(arg); - InvokeDynamicImageFilter(toStringz(mod), &image, cast(int)args.length, args.ptr, DMagickExceptionInfo()); + InvokeDynamicImageFilter(toStringz(name), &image, cast(int)args.length, args.ptr, DMagickExceptionInfo()); imageRef = ImageRef(image); } /** + * Analyzes the colors within a reference image and chooses a fixed + * number of colors to represent the image. The goal of the algorithm + * is to minimize the difference between the input and output image + * while minimizing the processing time. + * + * Params: + * measureError = Set to true to calculate quantization errors + * when quantizing the image. These can be accessed + * with: normalizedMeanError, normalizedMaxError + * and meanErrorPerPixel. + */ + //TODO: should quantizeInfo be part of options? + void quantize(measureError=false) + { + options.quantizeInfo = measureError; + + QuantizeImage(options.quantizeInfo, imageRef); + DMagickException.throwException(&(imageRef.exception)); + } + + /** + * Applies a radial blur to the image. + * + * Params: + * angle = The angle of the radial blur, in degrees. + * channel = If no channels are specified, blurs all the channels. + */ + void radialBlur(double angle, ChannelType channel = ChannelType.DefaultChannels) + { + MagickCoreImage* image = + RadialBlurImageChannel(imageRef, channel, angle, DMagickExceptionInfo()); + + imageRef = ImageRef(image); + } + + /** + * Creates a simulated three-dimensional button-like effect by + * lightening and darkening the edges of the image. + * + * Params: + * width = The width of the raised edge in pixels. + * height = The height of the raised edge in pixels. + * raised = If true, the image is raised, otherwise lowered. + */ + void raise(size_t width, size_t height, bool raised = true) + { + RectangleInfo raiseInfo; + + raiseInfo.width = width; + raiseInfo.height = height; + + RaiseImage(imageRef, raiseInfo, raised); + DMagickException.throwException(&(imageRef.exception)); + } + + /** * Read an Image by reading from the file or * URL specified by filename. */ @@ -2367,9 +2449,7 @@ class Image else if ( imageRef.storage_class == ClassType.DirectClass && type == ClassType.PseudoClass ) { options.quantizeColors = MaxColormapSize; - //TODO: implement quantize function. - //quantize(); - assert(false); + quantize(); } imageRef.storage_class = type; |