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x
执行:a = Cut.new(待去底,底图)
注意!(待去底,底图)必须是Bitmap对象
就像金娃娃的那个,只是和纸娃娃的工作原理不同。采用校对
自动保存到根目录下的Cut.png
- #==============================================================================
- # 本脚本出自www.66rpg.com,转载请注明。
- #==============================================================================
- =begin
- ==============================================================================
- Bitmap to PNG By 轮回者
- ==============================================================================
- 对Bitmap对象直接使用
-
- bitmap_obj.make_png(name[, path])
-
- name:保存文件名
- path:保存路径
- 感谢66、夏娜、金圭子的提醒和帮助!
-
- ==============================================================================
- =end
- module Zlib
- class Png_File < GzipWriter
- #--------------------------------------------------------------------------
- # ● 主处理
- #--------------------------------------------------------------------------
- def make_png(bitmap_Fx,mode)
- @mode = mode
- @bitmap_Fx = bitmap_Fx
- self.write(make_header)
- self.write(make_ihdr)
- self.write(make_idat)
- self.write(make_iend)
- end
- #--------------------------------------------------------------------------
- # ● PNG文件头数据块
- #--------------------------------------------------------------------------
- def make_header
- return [0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a].pack("C*")
- end
- #--------------------------------------------------------------------------
- # ● PNG文件情报头数据块(IHDR)
- #--------------------------------------------------------------------------
- def make_ihdr
- ih_size = [13].pack("N")
- ih_sign = "IHDR"
- ih_width = [@bitmap_Fx.width].pack("N")
- ih_height = [@bitmap_Fx.height].pack("N")
- ih_bit_depth = [8].pack("C")
- ih_color_type = [6].pack("C")
- ih_compression_method = [0].pack("C")
- ih_filter_method = [0].pack("C")
- ih_interlace_method = [0].pack("C")
- string = ih_sign + ih_width + ih_height + ih_bit_depth + ih_color_type +
- ih_compression_method + ih_filter_method + ih_interlace_method
- ih_crc = [Zlib.crc32(string)].pack("N")
- return ih_size + string + ih_crc
- end
- #--------------------------------------------------------------------------
- # ● 生成图像数据(IDAT)
- #--------------------------------------------------------------------------
- def make_idat
- header = "\x49\x44\x41\x54"
- case @mode # 请54~
- when 1
- data = make_bitmap_data#1
- else
- data = make_bitmap_data
- end
- data = Zlib::Deflate.deflate(data, 8)
- crc = [Zlib.crc32(header + data)].pack("N")
- size = [data.length].pack("N")
- return size + header + data + crc
- end
- #--------------------------------------------------------------------------
- # ● 从Bitmap对象中生成图像数据 mode 1(请54~)
- #--------------------------------------------------------------------------
- def make_bitmap_data1
- w = @bitmap_Fx.width
- h = @bitmap_Fx.height
- data = []
- for y in 0...h
- data.push(0)
- for x in 0...w
- color = @bitmap_Fx.get_pixel(x, y)
- red = color.red
- green = color.green
- blue = color.blue
- alpha = color.alpha
- data.push(red)
- data.push(green)
- data.push(blue)
- data.push(alpha)
- end
- end
- return data.pack("C*")
- end
- #--------------------------------------------------------------------------
- # ● 从Bitmap对象中生成图像数据 mode 0
- #--------------------------------------------------------------------------
- def make_bitmap_data
- gz = Zlib::GzipWriter.open('hoge.gz')
- t_Fx = 0
- w = @bitmap_Fx.width
- h = @bitmap_Fx.height
- data = []
- for y in 0...h
- data.push(0)
- for x in 0...w
- t_Fx += 1
- if t_Fx % 10000 == 0
- Graphics.update
- end
- if t_Fx % 100000 == 0
- s = data.pack("C*")
- gz.write(s)
- data.clear
- #GC.start
- end
- color = @bitmap_Fx.get_pixel(x, y)
- red = color.red
- green = color.green
- blue = color.blue
- alpha = color.alpha
- data.push(red)
- data.push(green)
- data.push(blue)
- data.push(alpha)
- end
- end
- s = data.pack("C*")
- gz.write(s)
- gz.close
- data.clear
- gz = Zlib::GzipReader.open('hoge.gz')
- data = gz.read
- gz.close
- File.delete('hoge.gz')
- return data
- end
- #--------------------------------------------------------------------------
- # ● PNG文件尾数据块(IEND)
- #--------------------------------------------------------------------------
- def make_iend
- ie_size = [0].pack("N")
- ie_sign = "IEND"
- ie_crc = [Zlib.crc32(ie_sign)].pack("N")
- return ie_size + ie_sign + ie_crc
- end
- end
- end
- #==============================================================================
- # ■ Bitmap
- #------------------------------------------------------------------------------
- # 关联到Bitmap。
- #==============================================================================
- class Bitmap
- #--------------------------------------------------------------------------
- # ● 关联
- #--------------------------------------------------------------------------
- def make_png(name="like", path="",mode=0)
- make_dir(path) if path != ""
- Zlib::Png_File.open("temp.gz") {|gz|
- gz.make_png(self,mode)
- }
- Zlib::GzipReader.open("temp.gz") {|gz|
- $read = gz.read
- }
- f = File.open(path.to_s + name.to_s + ".png","wb")
- f.write($read)
- f.close
- File.delete('temp.gz')
- end
- #--------------------------------------------------------------------------
- # ● 生成保存路径
- #--------------------------------------------------------------------------
- def make_dir(path)
- dir = path.split("/")
- for i in 0...dir.size
- unless dir == "."
- add_dir = dir[0..i].join("/")
- begin
- Dir.mkdir(add_dir)
- rescue
- end
- end
- end
- end
- end
- #==============================================================================
- # 本脚本出自www.66rpg.com,转载请注明。
- #==============================================================================
- ################################################################################
- # 自动退底制作by yangff
- # rmvx.orgorg.cn
- # VX之家
- ################################################################################
- class Cut
- def initialize(have,di)
- $have = have
- $di = di
- $bitmap = Bitmap.new($have.width,$di.height)
- read
- end
- def read
- cleanpic
- for x in 1..$have.width
- for y in 1..$di.height
- if $have.get_pixel(x,y) != $di.get_pixel(x,y)
- $bitmap.set_pixel(x, y,$have.get_pixel(x,y))
- end
- end
- end
- $bitmap.make_png("Cut")
- end
- def cleanpic
- $bitmap.fill_rect(0, 0, $have.width,$di.height, Color.new(0,0,0,0))
- end
- end
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