Class: Magick::Image
- Inherits:
-
Object
- Object
- Magick::Image
- Includes:
- Comparable
- Defined in:
- lib/RMagick.rb,
ext/RMagick/rmmain.c
Overview
Ruby-level Magick::Image methods
Defined Under Namespace
Classes: DrawOptions, Info, PolaroidOptions, View
Class Method Summary collapse
- ._load ⇒ Object
- .capture ⇒ Object
- .combine ⇒ Object
- .constitute ⇒ Object
- .from_blob ⇒ Object
- .ping ⇒ Object
- .read ⇒ Object
- .read_inline ⇒ Object
Instance Method Summary collapse
- #<=> ⇒ Object
- #[] ⇒ Object
- #[]= ⇒ Object
- #_dump ⇒ Object
-
#adaptive_blur ⇒ Object
do not document! Only used by Image#iterations=.
- #adaptive_blur_channel ⇒ Object
- #adaptive_resize ⇒ Object
- #adaptive_sharpen ⇒ Object
- #adaptive_sharpen_channel ⇒ Object
- #adaptive_threshold ⇒ Object
- #add_noise ⇒ Object
- #add_noise_channel ⇒ Object
- #add_profile ⇒ Object
- #affine_transform ⇒ Object
- #alpha ⇒ Object
- #alpha? ⇒ Boolean
-
#annotate(draw, width, height, x, y, text, &block) ⇒ Object
Provide an alternate version of Draw#annotate, for folks who want to find it in this class.
- #auto_orient ⇒ Object
- #auto_orient! ⇒ Object
- #bilevel_channel ⇒ Object
- #black_threshold ⇒ Object
- #blend ⇒ Object
- #blur_channel ⇒ Object
- #blur_image ⇒ Object
- #border ⇒ Object
- #border! ⇒ Object
- #change_geometry ⇒ Object
- #change_geometry! ⇒ Object
- #changed? ⇒ Boolean
- #channel ⇒ Object
-
#channel_compare ⇒ Object
An alias for compare_channel.
- #channel_depth ⇒ Object
- #channel_extrema ⇒ Object
- #channel_mean ⇒ Object
- #charcoal ⇒ Object
- #check_destroyed ⇒ Object
- #chop ⇒ Object
- #clone ⇒ Object
- #clut_channel ⇒ Object
-
#color_fill_to_border(x, y, fill) ⇒ Object
Set all pixels that are neighbors of x,y and are not the border color to the fill color.
- #color_flood_fill ⇒ Object
-
#color_floodfill(x, y, fill) ⇒ Object
Set all pixels that have the same color as the pixel at x,y and are neighbors to the fill color.
- #color_histogram ⇒ Object
-
#color_point(x, y, fill) ⇒ Object
Set the color at x,y.
-
#color_reset!(fill) ⇒ Object
Set all pixels to the fill color.
- #colorize ⇒ Object
- #colormap ⇒ Object
- #compare_channel ⇒ Object
- #composite ⇒ Object
- #composite! ⇒ Object
- #composite_affine ⇒ Object
- #composite_channel ⇒ Object
- #composite_channel! ⇒ Object
- #compress_colormap! ⇒ Object
- #contrast ⇒ Object
- #contrast_stretch_channel ⇒ Object
- #convolve ⇒ Object
- #convolve_channel ⇒ Object
- #copy ⇒ Object
- #crop ⇒ Object
- #crop! ⇒ Object
-
#cur_image ⇒ Object
Used by ImageList methods - see ImageList#cur_image.
- #cycle_colormap ⇒ Object
- #decipher ⇒ Object
- #delete_profile ⇒ Object
- #despeckle ⇒ Object
- #destroy! ⇒ Object
- #destroyed? ⇒ Boolean
- #difference ⇒ Object
- #dispatch ⇒ Object
- #displace ⇒ Object
- #display ⇒ Object (also: #__display__)
- #dissolve ⇒ Object
- #distort ⇒ Object
- #distortion_channel ⇒ Object
- #dup ⇒ Object
-
#each_iptc_dataset ⇒ Object
Iterate over IPTC record number:dataset tags, yield for each non-nil dataset.
-
#each_pixel ⇒ Object
Thanks to Russell Norris!.
- #each_profile ⇒ Object
- #edge ⇒ Object
- #emboss ⇒ Object
- #encipher ⇒ Object
- #enhance ⇒ Object
- #equalize ⇒ Object
- #equalize_channel ⇒ Object
- #erase! ⇒ Object
- #excerpt ⇒ Object
- #excerpt! ⇒ Object
- #export_pixels ⇒ Object
- #export_pixels_to_str ⇒ Object
- #extent ⇒ Object
- #find_similar_region ⇒ Object
- #flip ⇒ Object
- #flip! ⇒ Object
- #flop ⇒ Object
- #flop! ⇒ Object
- #frame ⇒ Object
- #gamma_channel ⇒ Object
- #gamma_correct ⇒ Object
- #gaussian_blur ⇒ Object
- #gaussian_blur_channel ⇒ Object
-
#get_exif_by_entry(*entry) ⇒ Object
Retrieve EXIF data by entry or all.
-
#get_exif_by_number(*tag) ⇒ Object
Retrieve EXIF data by tag number or all tag/value pairs.
-
#get_iptc_dataset(ds) ⇒ Object
Retrieve IPTC information by record number:dataset tag constant defined in Magick::IPTC, above.
- #get_pixels ⇒ Object
- #gray? ⇒ Boolean
- #grey? ⇒ Boolean
- #histogram? ⇒ Boolean
- #implode ⇒ Object
- #import_pixels ⇒ Object
- #initialize ⇒ Object constructor
- #initialize_copy ⇒ Object
- #inspect ⇒ Object
-
#level(black_point = 0.0, white_point = nil, gamma = nil) ⇒ Object
(Thanks to Al Evans for the suggestion.).
- #level2 ⇒ Object
- #level_channel ⇒ Object
- #linear_stretch ⇒ Object
- #liquid_rescale ⇒ Object
- #magnify ⇒ Object
- #magnify! ⇒ Object
- #map ⇒ Object
- #mask ⇒ Object
-
#matte_fill_to_border(x, y) ⇒ Object
Make transparent any neighbor pixel that is not the border color.
- #matte_flood_fill ⇒ Object
-
#matte_floodfill(x, y) ⇒ Object
Make transparent any pixel that matches the color of the pixel at (x,y) and is a neighbor.
-
#matte_point(x, y) ⇒ Object
Make the pixel at (x,y) transparent.
-
#matte_replace(x, y) ⇒ Object
Make transparent all pixels that are the same color as the pixel at (x, y).
-
#matte_reset! ⇒ Object
Make all pixels transparent.
- #median_filter ⇒ Object
- #minify ⇒ Object
- #minify! ⇒ Object
- #modulate ⇒ Object
- #monochrome? ⇒ Boolean
- #motion_blur ⇒ Object
- #negate ⇒ Object
- #negate_channel ⇒ Object
- #normalize ⇒ Object
- #normalize_channel ⇒ Object
- #oil_paint ⇒ Object
- #opaque ⇒ Object
- #opaque? ⇒ Boolean
- #opaque_channel ⇒ Object
- #ordered_dither ⇒ Object
- #paint_transparent ⇒ Object
- #palette? ⇒ Boolean
- #pixel_color ⇒ Object
- #polaroid ⇒ Object
- #posterize ⇒ Object
-
#preview ⇒ Object
rb_define_method(Class_Image, “plasma”, Image_plasma, 6);.
- #profile! ⇒ Object
- #properties ⇒ Object
- #quantize ⇒ Object
- #quantum_operator ⇒ Object
- #radial_blur ⇒ Object
- #radial_blur_channel ⇒ Object
- #raise ⇒ Object
- #random_threshold_channel ⇒ Object
- #recolor ⇒ Object
- #reduce_noise ⇒ Object
-
#resample(x_res = 72.0, y_res = nil) ⇒ Object
Corresponds to ImageMagick’s -resample option.
- #resize ⇒ Object
- #resize! ⇒ Object
-
#resize_to_fill(ncols, nrows = nil, gravity = CenterGravity) ⇒ Object
(also: #crop_resized)
Force an image to exact dimensions without changing the aspect ratio.
- #resize_to_fill!(ncols, nrows = nil, gravity = CenterGravity) ⇒ Object (also: #crop_resized!)
-
#resize_to_fit(cols, rows = nil) ⇒ Object
Convenience method to resize retaining the aspect ratio.
- #resize_to_fit!(cols, rows = nil) ⇒ Object
- #roll ⇒ Object
- #rotate ⇒ Object
- #rotate! ⇒ Object
- #sample ⇒ Object
- #sample! ⇒ Object
- #scale ⇒ Object
- #scale! ⇒ Object
- #segment ⇒ Object
- #separate ⇒ Object
- #sepiatone ⇒ Object
- #set_channel_depth ⇒ Object
- #shade ⇒ Object
- #shadow ⇒ Object
- #sharpen ⇒ Object
- #sharpen_channel ⇒ Object
- #shave ⇒ Object
- #shave! ⇒ Object
- #shear ⇒ Object
- #sigmoidal_contrast_channel ⇒ Object
- #signature ⇒ Object
- #sketch ⇒ Object
- #solarize ⇒ Object
- #splice ⇒ Object
- #spread ⇒ Object
- #stegano ⇒ Object
- #stereo ⇒ Object
- #store_pixels ⇒ Object
- #strip! ⇒ Object
- #swirl ⇒ Object
- #sync_profiles ⇒ Object
-
#texture_fill_to_border(x, y, texture) ⇒ Object
Replace neighboring pixels to border color with texture pixels.
- #texture_flood_fill ⇒ Object
-
#texture_floodfill(x, y, texture) ⇒ Object
Replace matching neighboring pixels with texture pixels.
- #threshold ⇒ Object
- #thumbnail ⇒ Object
- #thumbnail! ⇒ Object
- #tint ⇒ Object
- #to_blob ⇒ Object
- #to_color ⇒ Object
- #transparent ⇒ Object
- #transpose ⇒ Object
- #transpose! ⇒ Object
- #transverse ⇒ Object
- #transverse! ⇒ Object
- #trim ⇒ Object
- #trim! ⇒ Object
- #unique_colors ⇒ Object
- #unsharp_mask ⇒ Object
- #unsharp_mask_channel ⇒ Object
-
#view(x, y, width, height) ⇒ Object
Construct a view.
- #vignette ⇒ Object
- #watermark ⇒ Object
- #wave ⇒ Object
- #wet_floor ⇒ Object
- #white_threshold ⇒ Object
- #write ⇒ Object
Constructor Details
#initialize ⇒ Object
Class Method Details
._load ⇒ Object
.capture ⇒ Object
.combine ⇒ Object
.constitute ⇒ Object
.from_blob ⇒ Object
.ping ⇒ Object
.read ⇒ Object
.read_inline ⇒ Object
Instance Method Details
#<=> ⇒ Object
#[] ⇒ Object
#[]= ⇒ Object
#_dump ⇒ Object
#adaptive_blur ⇒ Object
do not document! Only used by Image#iterations=
#adaptive_blur_channel ⇒ Object
#adaptive_resize ⇒ Object
#adaptive_sharpen ⇒ Object
#adaptive_sharpen_channel ⇒ Object
#adaptive_threshold ⇒ Object
#add_noise ⇒ Object
#add_noise_channel ⇒ Object
#add_profile ⇒ Object
#affine_transform ⇒ Object
#alpha ⇒ Object
#alpha? ⇒ Boolean
#annotate(draw, width, height, x, y, text, &block) ⇒ Object
Provide an alternate version of Draw#annotate, for folks who want to find it in this class.
711 712 713 714 715 |
# File 'lib/RMagick.rb', line 711 def annotate(draw, width, height, x, y, text, &block) check_destroyed draw.annotate(self, width, height, x, y, text, &block) self end |
#auto_orient ⇒ Object
#auto_orient! ⇒ Object
#bilevel_channel ⇒ Object
#black_threshold ⇒ Object
#blend ⇒ Object
#blur_channel ⇒ Object
#blur_image ⇒ Object
#border ⇒ Object
#border! ⇒ Object
#change_geometry ⇒ Object
#change_geometry! ⇒ Object
#changed? ⇒ Boolean
#channel ⇒ Object
#channel_compare ⇒ Object
An alias for compare_channel
#channel_depth ⇒ Object
#channel_extrema ⇒ Object
#channel_mean ⇒ Object
#charcoal ⇒ Object
#check_destroyed ⇒ Object
#chop ⇒ Object
#clone ⇒ Object
#clut_channel ⇒ Object
#color_fill_to_border(x, y, fill) ⇒ Object
Set all pixels that are neighbors of x,y and are not the border color to the fill color
733 734 735 |
# File 'lib/RMagick.rb', line 733 def color_fill_to_border(x, y, fill) color_flood_fill(border_color, fill, x, y, Magick::FillToBorderMethod) end |
#color_flood_fill ⇒ Object
#color_floodfill(x, y, fill) ⇒ Object
Set all pixels that have the same color as the pixel at x,y and are neighbors to the fill color
726 727 728 729 |
# File 'lib/RMagick.rb', line 726 def color_floodfill(x, y, fill) target = pixel_color(x, y) color_flood_fill(target, fill, x, y, Magick::FloodfillMethod) end |
#color_histogram ⇒ Object
#color_point(x, y, fill) ⇒ Object
Set the color at x,y
718 719 720 721 722 |
# File 'lib/RMagick.rb', line 718 def color_point(x, y, fill) f = copy f.pixel_color(x, y, fill) return f end |
#color_reset!(fill) ⇒ Object
Set all pixels to the fill color. Very similar to Image#erase! Accepts either String or Pixel arguments
739 740 741 742 743 744 745 746 747 748 749 750 751 |
# File 'lib/RMagick.rb', line 739 def color_reset!(fill) save = background_color # Change the background color _outside_ the begin block # so that if this object is frozen the exeception will be # raised before we have to handle it explicitly. self.background_color = fill begin erase! ensure self.background_color = save end self end |
#colorize ⇒ Object
#colormap ⇒ Object
#compare_channel ⇒ Object
#composite ⇒ Object
#composite! ⇒ Object
#composite_affine ⇒ Object
#composite_channel ⇒ Object
#composite_channel! ⇒ Object
#compress_colormap! ⇒ Object
#contrast ⇒ Object
#contrast_stretch_channel ⇒ Object
#convolve ⇒ Object
#convolve_channel ⇒ Object
#copy ⇒ Object
#crop ⇒ Object
#crop! ⇒ Object
#cur_image ⇒ Object
Used by ImageList methods - see ImageList#cur_image
754 755 756 |
# File 'lib/RMagick.rb', line 754 def cur_image self end |
#cycle_colormap ⇒ Object
#decipher ⇒ Object
#delete_profile ⇒ Object
#despeckle ⇒ Object
#destroy! ⇒ Object
#destroyed? ⇒ Boolean
#difference ⇒ Object
#dispatch ⇒ Object
#displace ⇒ Object
#display ⇒ Object Also known as: __display__
#dissolve ⇒ Object
#distort ⇒ Object
#distortion_channel ⇒ Object
#dup ⇒ Object
#each_iptc_dataset ⇒ Object
Iterate over IPTC record number:dataset tags, yield for each non-nil dataset
816 817 818 819 820 821 822 823 824 825 |
# File 'lib/RMagick.rb', line 816 def each_iptc_dataset Magick::IPTC.constants.each do |record| rec = Magick::IPTC.const_get(record) rec.constants.each do |dataset| data_field = get_iptc_dataset(rec.const_get(dataset)) yield(dataset, data_field) unless data_field.nil? end end nil end |
#each_pixel ⇒ Object
Thanks to Russell Norris!
759 760 761 762 763 764 |
# File 'lib/RMagick.rb', line 759 def each_pixel get_pixels(0, 0, columns, rows).each_with_index do |p, n| yield(p, n%columns, n/columns) end self end |
#each_profile ⇒ Object
#edge ⇒ Object
#emboss ⇒ Object
#encipher ⇒ Object
#enhance ⇒ Object
#equalize ⇒ Object
#equalize_channel ⇒ Object
#erase! ⇒ Object
#excerpt ⇒ Object
#excerpt! ⇒ Object
#export_pixels ⇒ Object
#export_pixels_to_str ⇒ Object
#extent ⇒ Object
#find_similar_region ⇒ Object
#flip ⇒ Object
#flip! ⇒ Object
#flop ⇒ Object
#flop! ⇒ Object
#frame ⇒ Object
#gamma_channel ⇒ Object
#gamma_correct ⇒ Object
#gaussian_blur ⇒ Object
#gaussian_blur_channel ⇒ Object
#get_exif_by_entry(*entry) ⇒ Object
Retrieve EXIF data by entry or all. If one or more entry names specified, return the values associated with the entries. If no entries specified, return all entries and values. The return value is an array of [name,value] arrays.
770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 |
# File 'lib/RMagick.rb', line 770 def get_exif_by_entry(*entry) ary = Array.new if entry.length == 0 exif_data = self['EXIF:*'] if exif_data exif_data.split("\n").each { |exif| ary.push(exif.split('=')) } end else get_exif_by_entry() # ensure properties is populated with exif data entry.each do |name| rval = self["EXIF:#{name}"] ary.push([name, rval]) end end return ary end |
#get_exif_by_number(*tag) ⇒ Object
Retrieve EXIF data by tag number or all tag/value pairs. The return value is a hash.
788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 |
# File 'lib/RMagick.rb', line 788 def get_exif_by_number(*tag) hash = Hash.new if tag.length == 0 exif_data = self['EXIF:!'] if exif_data exif_data.split("\n").each do |exif| tag, value = exif.split('=') tag = tag[1,4].hex hash[tag] = value end end else get_exif_by_number() # ensure properties is populated with exif data tag.each do |num| rval = self['#%04X' % num.to_i] hash[num] = rval == 'unknown' ? nil : rval end end return hash end |
#get_iptc_dataset(ds) ⇒ Object
Retrieve IPTC information by record number:dataset tag constant defined in Magick::IPTC, above.
811 812 813 |
# File 'lib/RMagick.rb', line 811 def get_iptc_dataset(ds) self['IPTC:'+ds] end |
#get_pixels ⇒ Object
#gray? ⇒ Boolean
#grey? ⇒ Boolean
#histogram? ⇒ Boolean
#implode ⇒ Object
#import_pixels ⇒ Object
#initialize_copy ⇒ Object
#inspect ⇒ Object
#level(black_point = 0.0, white_point = nil, gamma = nil) ⇒ Object
(Thanks to Al Evans for the suggestion.)
840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 |
# File 'lib/RMagick.rb', line 840 def level(black_point=0.0, white_point=nil, gamma=nil) black_point = Float(black_point) white_point ||= Magick::QuantumRange - black_point white_point = Float(white_point) gamma_arg = gamma gamma ||= 1.0 gamma = Float(gamma) if gamma.abs > 10.0 || white_point.abs <= 10.0 || white_point.abs < gamma.abs gamma, white_point = white_point, gamma unless gamma_arg white_point = Magick::QuantumRange - black_point end end return level2(black_point, white_point, gamma) end |
#level2 ⇒ Object
#level_channel ⇒ Object
#linear_stretch ⇒ Object
#liquid_rescale ⇒ Object
#magnify ⇒ Object
#magnify! ⇒ Object
#map ⇒ Object
#mask ⇒ Object
#matte_fill_to_border(x, y) ⇒ Object
Make transparent any neighbor pixel that is not the border color.
894 895 896 897 898 899 |
# File 'lib/RMagick.rb', line 894 def matte_fill_to_border(x, y) f = copy f.opacity = Magick::OpaqueOpacity unless f.matte f.matte_flood_fill(border_color, TransparentOpacity, x, y, FillToBorderMethod) end |
#matte_flood_fill ⇒ Object
#matte_floodfill(x, y) ⇒ Object
Make transparent any pixel that matches the color of the pixel at (x,y) and is a neighbor.
885 886 887 888 889 890 891 |
# File 'lib/RMagick.rb', line 885 def matte_floodfill(x, y) f = copy f.opacity = OpaqueOpacity unless f.matte target = f.pixel_color(x, y) f.matte_flood_fill(target, TransparentOpacity, x, y, FloodfillMethod) end |
#matte_point(x, y) ⇒ Object
Make the pixel at (x,y) transparent.
865 866 867 868 869 870 871 872 |
# File 'lib/RMagick.rb', line 865 def matte_point(x, y) f = copy f.opacity = OpaqueOpacity unless f.matte pixel = f.pixel_color(x,y) pixel.opacity = TransparentOpacity f.pixel_color(x, y, pixel) return f end |
#matte_replace(x, y) ⇒ Object
Make transparent all pixels that are the same color as the pixel at (x, y).
876 877 878 879 880 881 |
# File 'lib/RMagick.rb', line 876 def matte_replace(x, y) f = copy f.opacity = OpaqueOpacity unless f.matte target = f.pixel_color(x, y) f.transparent(target) end |
#matte_reset! ⇒ Object
Make all pixels transparent.
902 903 904 905 |
# File 'lib/RMagick.rb', line 902 def matte_reset! self.opacity = Magick::TransparentOpacity self end |
#median_filter ⇒ Object
#minify ⇒ Object
#minify! ⇒ Object
#modulate ⇒ Object
#monochrome? ⇒ Boolean
#motion_blur ⇒ Object
#negate ⇒ Object
#negate_channel ⇒ Object
#normalize ⇒ Object
#normalize_channel ⇒ Object
#oil_paint ⇒ Object
#opaque ⇒ Object
#opaque? ⇒ Boolean
#opaque_channel ⇒ Object
#ordered_dither ⇒ Object
#paint_transparent ⇒ Object
#palette? ⇒ Boolean
#pixel_color ⇒ Object
#polaroid ⇒ Object
#posterize ⇒ Object
#preview ⇒ Object
rb_define_method(Class_Image, “plasma”, Image_plasma, 6);
#profile! ⇒ Object
#properties ⇒ Object
#quantize ⇒ Object
#quantum_operator ⇒ Object
#radial_blur ⇒ Object
#radial_blur_channel ⇒ Object
#raise ⇒ Object
#random_threshold_channel ⇒ Object
#recolor ⇒ Object
#reduce_noise ⇒ Object
#resample(x_res = 72.0, y_res = nil) ⇒ Object
Corresponds to ImageMagick’s -resample option
908 909 910 911 912 913 914 915 |
# File 'lib/RMagick.rb', line 908 def resample(x_res=72.0, y_res=nil) y_res ||= x_res width = x_res * columns / x_resolution + 0.5 height = y_res * rows / y_resolution + 0.5 self.x_resolution = x_res self.y_resolution = y_res resize(width, height) end |
#resize ⇒ Object
#resize! ⇒ Object
#resize_to_fill(ncols, nrows = nil, gravity = CenterGravity) ⇒ Object Also known as: crop_resized
Force an image to exact dimensions without changing the aspect ratio. Resize and crop if necessary. (Thanks to Jerett Taylor!)
919 920 921 |
# File 'lib/RMagick.rb', line 919 def resize_to_fill(ncols, nrows=nil, gravity=CenterGravity) copy.resize_to_fill!(ncols, nrows, gravity) end |
#resize_to_fill!(ncols, nrows = nil, gravity = CenterGravity) ⇒ Object Also known as: crop_resized!
923 924 925 926 927 928 929 930 931 |
# File 'lib/RMagick.rb', line 923 def resize_to_fill!(ncols, nrows=nil, gravity=CenterGravity) nrows ||= ncols if ncols != columns || nrows != rows scale = [ncols/columns.to_f, nrows/rows.to_f].max resize!(scale*columns+0.5, scale*rows+0.5) end crop!(gravity, ncols, nrows, true) if ncols != columns || nrows != rows self end |
#resize_to_fit(cols, rows = nil) ⇒ Object
Convenience method to resize retaining the aspect ratio. (Thanks to Robert Manni!)
939 940 941 942 943 944 |
# File 'lib/RMagick.rb', line 939 def resize_to_fit(cols, rows=nil) rows ||= cols change_geometry(Geometry.new(cols, rows)) do |ncols, nrows| resize(ncols, nrows) end end |
#resize_to_fit!(cols, rows = nil) ⇒ Object
946 947 948 949 950 951 |
# File 'lib/RMagick.rb', line 946 def resize_to_fit!(cols, rows=nil) rows ||= cols change_geometry(Geometry.new(cols, rows)) do |ncols, nrows| resize!(ncols, nrows) end end |
#roll ⇒ Object
#rotate ⇒ Object
#rotate! ⇒ Object
#sample ⇒ Object
#sample! ⇒ Object
#scale ⇒ Object
#scale! ⇒ Object
#segment ⇒ Object
#separate ⇒ Object
#sepiatone ⇒ Object
#set_channel_depth ⇒ Object
#shade ⇒ Object
#shadow ⇒ Object
#sharpen ⇒ Object
#sharpen_channel ⇒ Object
#shave ⇒ Object
#shave! ⇒ Object
#shear ⇒ Object
#sigmoidal_contrast_channel ⇒ Object
#signature ⇒ Object
#sketch ⇒ Object
#solarize ⇒ Object
#splice ⇒ Object
#spread ⇒ Object
#stegano ⇒ Object
#stereo ⇒ Object
#store_pixels ⇒ Object
#strip! ⇒ Object
#swirl ⇒ Object
#sync_profiles ⇒ Object
#texture_fill_to_border(x, y, texture) ⇒ Object
Replace neighboring pixels to border color with texture pixels
960 961 962 |
# File 'lib/RMagick.rb', line 960 def texture_fill_to_border(x, y, texture) texture_flood_fill(border_color, texture, x, y, FillToBorderMethod) end |
#texture_flood_fill ⇒ Object
#texture_floodfill(x, y, texture) ⇒ Object
Replace matching neighboring pixels with texture pixels
954 955 956 957 |
# File 'lib/RMagick.rb', line 954 def texture_floodfill(x, y, texture) target = pixel_color(x, y) texture_flood_fill(target, texture, x, y, FloodfillMethod) end |
#threshold ⇒ Object
#thumbnail ⇒ Object
#thumbnail! ⇒ Object
#tint ⇒ Object
#to_blob ⇒ Object
#to_color ⇒ Object
#transparent ⇒ Object
#transpose ⇒ Object
#transpose! ⇒ Object
#transverse ⇒ Object
#transverse! ⇒ Object
#trim ⇒ Object
#trim! ⇒ Object
#unique_colors ⇒ Object
#unsharp_mask ⇒ Object
#unsharp_mask_channel ⇒ Object
#view(x, y, width, height) ⇒ Object
Construct a view. If a block is present, yield and pass the view object, otherwise return the view object.
966 967 968 969 970 971 972 973 974 975 976 977 978 979 |
# File 'lib/RMagick.rb', line 966 def view(x, y, width, height) view = View.new(self, x, y, width, height) if block_given? begin yield(view) ensure view.sync end return nil else return view end end |