require 'RMagick'
include Magick
images = ImageList.new("sf2.jpg")
images[0] = images.fx("0.6*p")
images.modulate(1,1.8,1).
sketch(0,10,135).spread(2).
oil_paint(2).
write("sample1157a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf2.jpg")
images[0] = images.fx("0.4*p")
images.modulate(1.2,0.2,1).
median_filter(2).
sepiatone(95).
write("sample1158a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf2.jpg")
images.modulate(0.9,0.5,1).
spread(3).motion_blur(0,7,270).
colorize(0.2, 0.2, 0.2, "#5588ee").
write("sample1156a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
images.rows.times { |py|
line = images.get_pixels(0, py, images.columns, 1)
line.size().times { |px|
if (py % 2) == 0 then
line[px].red = line[px].red/2;
line[px].green = line[px].green/2;
line[px].blue = line[px].blue/2;
end
}
images.store_pixels(0, py, images.columns, 1, line)
}
images.write("sample1149a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
images.alpha = ActivateAlphaChannel
images2 = ImageList.new
images2.new_image(20, 20){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "white"
dr.roundrectangle(0,0,18,18,4,4);
dr.draw(images2)
images3 = ImageList.new()
images3.new_image(images.columns, images.rows,
TextureFill.new(images2))
images3.alpha = ActivateAlphaChannel
images3.virtual_pixel_method = TileVirtualPixelMethod
images3[0] = images3.distort(ScaleRotateTranslateDistortion, [20])
images.composite(images3, CenterGravity, 0, 0,
DstInCompositeOp).write("sample1148a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
images.alpha = ActivateAlphaChannel
images2 = ImageList.new
images2.new_image(20, 20){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "white"
dr.roundrectangle(0,0,18,18,4,4);
dr.draw(images2)
images3 = ImageList.new()
images3.new_image(images.columns, images.rows,
TextureFill.new(images2))
images3.alpha = ActivateAlphaChannel
images.composite(images3, CenterGravity, 0, 0,
DstInCompositeOp).write("sample1147a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new
images.new_image(200, 40){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "#aaccf8"
# フォント
dr.font = "Tahoma"
# ポイントサイズ
dr.pointsize = 30
dr.gravity = CenterGravity
dr.text(0, 0, "ImageMagick")
dr.draw(images)
images[0] = images.blur_channel(0,1,AllChannels)
images2 = ImageList.new()
images2.read("plasma:fractal"){
self.size = "200x40"
}
images2.alpha = ActivateAlphaChannel
images2.colorspace = GRAYColorspace
images2[0] = images2.modulate(0.8, 1, 1).
blur_channel(0,3,AllChannels)
images2[0] = images2.fx("r", AlphaChannel)
images.composite(images2, CenterGravity, 0, 0,
DstOutCompositeOp).write("sample1146a.png")
require 'RMagick'
include Magick
# env: ruby1.8.6, rmagick2.9.0
images = ImageList.new()
images.read("radial-gradient:#7799ff-#ffffff"){
self.size = "200x200"
}
images.write("sample1123a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
10.times {
images2 = ImageList.new
images2.new_image(images.columns, images.rows){
self.background_color = "none"
}
images2.alpha = ActivateAlphaChannel
dr = Draw.new
cx = rand() * images.columns
cy = rand() * images.columns
rv = rand()
dr.fill = "#ffffff80"
rad = 40*rv
dr.ellipse(cx, cy,rad, rad, 0, 360)
dr.draw(images2);
images[0] = images.composite(
images2.blur_channel(0,7*rv,AllChannels),
CenterGravity, 0, 0,
OverCompositeOp)
}
images.write("sample1089a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf2.jpg")
images.virtual_pixel_method = TileVirtualPixelMethod
images.distort(ScaleRotateTranslateDistortion,
[0.25, 10]).write("sample1088a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf2.jpg")
images.colorspace = GRAYColorspace
images[0] = images.edge(1).blur_image(0,1).spread(1).
motion_blur(0, 10, 260)
images.colorize(0.5, 0.5, 0.5, "#204070").
write("sample1087a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
images.modulate(1, 2.5, 1).
sketch(0,10,135).spread(1).
write("sample1076a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf2.jpg")
images.alpha = ActivateAlphaChannel
# 角丸四角を描画
images2 = ImageList.new
images2.new_image(40, 40){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "white"
dr.roundrectangle(2,2, 37,37, 4,4)
dr.draw(images2)
# タイル上に配置
images3 = ImageList.new
images3.new_image(images.columns, images.rows,
TextureFill.new(images2))
images3.alpha = ActivateAlphaChannel
# 切り取り
img = images.composite(images3, 0, 0,
DstInCompositeOp).modulate(1.4)
img.colorspace = GRAYColorspace
img = img.colorize(0.5, 0.5, 0.5, "#fad759")
# 立体的にする
img2 = images3.shade(true, 135, 23).
blur_channel(0,2,AllChannels).normalize()
img4 = img2.composite(img, 0, 0,
OverlayCompositeOp)
img4.write("sample997a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
images2 = ImageList.new
images2.new_image(images.columns-50, images.rows-50){
self.background_color = "white"
}
dr = Draw.new
dr.fill = "black"
# フォント
dr.font = "Tahoma"
# ポイントサイズ
dr.pointsize = 120
dr.gravity = CenterGravity
dr.text(0, 0, "SF")
dr.draw(images2)
images2[0] = images2.fx("r*0.5", AlphaChannel)
images2[0] = images2.fx("#000000", DefaultChannels)
images.composite(images2, CenterGravity, 0, 0,
OverCompositeOp).write("sample996a.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
images.alpha = ActivateAlphaChannel
images.new_image(images.columns, images.rows){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "white"
dr.ellipse(images.columns/2, images.rows/2,
images.columns*0.8/2, images.rows*0.8/2,
0, 360)
dr.draw(images);
images[images.size-1] = images.negate_channel(
grayscale=false,AllChannels).
blur_channel(0,10,AllChannels).spread(3)
images.first.composite(images.last, 0, 0,
OverCompositeOp).write("sample995a.png")
exit
require 'RMagick'
include Magick
# 画像の任意の矩形領域の境界をぼかしてその領域以外を暗くする
# 余白
padx = 20
pady = 20
images = ImageList.new("sf.jpg")
images.alpha = ActivateAlphaChannel
img2 = Image.new(images.columns, images.rows){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "blue"
dr.rectangle(padx,pady,images.columns-padx-1,images.rows-pady-1)
dr.draw(img2)
img2 = images.composite(
img2.blur_channel(0,5,AllChannels),
0, 0, DstInCompositeOp);
images = images.quantum_operator(MultiplyQuantumOperator, 0.5,
DefaultChannels).
composite(img2, NorthWestGravity, 0, 0, OverCompositeOp).
write("sample936a.jpg")
exit
require 'RMagick'
include Magick
# 画像を端がちぎれたようなセピア調のスケッチ画像に変換する
# 余白
padx = 10
pady = 10
images = ImageList.new("sf.jpg")
images[0] = images.modulate(0.8,1.0,1.0).
sepiatone(QuantumRange*0.80).sketch(0,10,120)
images.alpha = ActivateAlphaChannel
img2 = Image.new(images.columns, images.rows){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "white"
dr.rectangle(padx, pady,
images.columns-padx, images.rows-pady)
dr.draw(img2)
images.first.composite(img2.spread(5).median_filter(3),
0, 0, DstInCompositeOp).write("sample935.png")
exit
require 'RMagick'
include Magick
images = ImageList.new("sf.jpg")
images.alpha = ActivateAlphaChannel
images.new_image(images.columns, images.rows){
self.background_color = "none"
}
dr = Draw.new
dr.fill = "white"
dr.ellipse(images.columns/2, images.rows/2,
images.columns*0.8/2, images.rows*0.8/2,
0, 360)
dr.draw(images);
images.virtual_pixel_method = BackgroundVirtualPixelMethod
images.background_color = "none"
images[images.size-1] = images.blur_channel(0,10,AllChannels).
wave(images.columns/10, images.rows/10).
swirl(800).resize(images.columns, images.rows)
images.first.composite(images[images.size-1], 0, 0,
DstInCompositeOp).write("sample932a.png")
