Class: ActFunc::Ttmagick

Inherits:
Object
  • Object
show all
Defined in:
lib/act_func/tmagick.rb

Instance Method Summary collapse

Constructor Details

#initialize(img, newimg = nil) ⇒ Ttmagick

画图类img->底图 “#Rails.root/public/images/1.jpg” newimg->处理完保存的地址 save img handle path example->“#Rails.root/public/images/new.jpg” example-> Tmagick.new(“1.jpg”,“public/n.jpg”).images(images),texts(texts).images(imgs).write



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# File 'lib/act_func/tmagick.rb', line 7

def initialize(img, newimg=nil)
  @pushimg = Magick::Image.read(img).first
  @poppath = newimg.blank? ? img : newimg
end

Instance Method Details

#images(images) ⇒ Object

图片叠加和水印images->多图片叠加，数组，在一个图片上画多个图片; image=>“1.jpg”, x: 0, y: 0，img要画的图片地址，xy画的左顶点位置return->成功返回当前对象，失败返回nil



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# File 'lib/act_func/tmagick.rb', line 15

def images(images)
  return nil if images.blank?
  images.each do |img|
    image = Magick::Image.read(img[:img]).first.resize_to_fit(img[:w], img[:h])
    @pushimg.composite!(image, img[:x], img[:y], Magick::OverCompositeOp)
  end
  return self
end

#resize(new_width, new_height) ⇒ Object

重定义图片大小



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# File 'lib/act_func/tmagick.rb', line 42

def resize(new_width, new_height)
  @pushimg = Magick::Image.read(@pushimg).first.resize_to_fit(new_width, new_height)
  @pushimg.blank? ? nil : self
end

#texts(texts) ⇒ Object

图片上写字fontobjs 文字数组; fontobj=>“aaaaaaaaa”,color: “#000000”,font: “simsun.ttc’”,size: 20,weight: 100, x: 0, y: 0

text

return-》成功返回当前对象，失败返回nil



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# File 'lib/act_func/tmagick.rb', line 28

def texts(texts)
  return nil if texts.blank?
  texts.each do |text|
    copyright = Magick::Draw.new
    copyright.font = text[:font]
    copyright.pointsize = text[:size]
    copyright.font_weight = text[:weight]
    copyright.fill = text[:color]
    copyright.annotate(@pushimg, 0, 0, text[:x], text[:y]+12, text[:text])
  end
  return self
end

#write ⇒ Object

写出操作



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# File 'lib/act_func/tmagick.rb', line 48

def write
  @pushimg.write(@poppath)
end