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| # Bitmap Export v5.4 for XP, VX and VXace by Zeus81
# Free for commercial use
# Licence : http://creativecommons.org/licenses/by/4.0/
# Contact : zeusex81@gmail.com
# How to Use :
# - exporting bitmap :
# bitmap.export(filename)
# or bitmap.save(filename)
#
# - serialize bitmap :
# open(filename, 'wb') {|file| Marshal.dump(bitmap, file)}
# bitmap = open(filename, 'rb') {|file| Marshal.load(file)}
# or
# save_data(bitmap, filename)
# bitmap = load_data(filename)
#
# - snapshot :
# Graphics.export(filename)
# or Graphics.save(filename)
# or Graphics.snapshot(filename)
# Here filename is optional, and will be replaced by datetime if omitted.
$imported ||= {}
$imported[:Zeus_Bitmap_Export] = __FILE__
def xp?() false end; alias vx? xp?; alias vxace? xp?
RUBY_VERSION == '1.8.1' ? defined?(Hangup) ?
def xp?() true end : def vx?() true end : def vxace?() true end
class String
alias getbyte []
alias setbyte []=
alias bytesize size
end unless vxace?
class Font
def marshal_dump() end
def marshal_load(dump) end
end
class Bitmap
RtlMoveMemory = Win32API.new('kernel32', 'RtlMoveMemory', 'ppi', 'i')
def last_row_address
return 0 if disposed?
RtlMoveMemory.call(buf=[0].pack('L'), __id__*2+16, 4)
RtlMoveMemory.call(buf, buf.unpack('L')[0]+8 , 4)
RtlMoveMemory.call(buf, buf.unpack('L')[0]+16, 4)
buf.unpack('L')[0]
end
def bytesize
width * height * 4
end
def get_data
data = [].pack('x') * bytesize
RtlMoveMemory.call(data, last_row_address, data.bytesize)
data
end
def set_data(data)
RtlMoveMemory.call(last_row_address, data, data.bytesize)
end
def get_data_ptr
data = String.new
RtlMoveMemory.call(data.__id__*2, [vxace? ? 0x6005 : 0x2007].pack('L'), 4)
RtlMoveMemory.call(data.__id__*2+8, [bytesize,last_row_address].pack('L2'), 8)
def data.free() RtlMoveMemory.call(__id__*2, String.new, 16) end
return data unless block_given?
yield data ensure data.free
end
def _dump(level)
get_data_ptr do |data|
dump = Marshal.dump([width, height, Zlib::Deflate.deflate(data, 9)])
dump.force_encoding('UTF-8') if vxace?
dump
end
end
def self._load(dump)
width, height, data = *Marshal.load(dump)
data.replace(Zlib::Inflate.inflate(data))
bitmap = new(width, height)
bitmap.set_data(data)
bitmap
end
def export(filename)
case format=File.extname(filename)
when '.bmp'; export_bmp(filename)
when '.png'; export_png(filename)
when '' ; export_png("#{filename}.png")
else print("Export format '#{format}' not supported.")
end
end
alias save export
def export_bmp(filename)
get_data_ptr do |data|
File.open(filename, 'wb') do |file|
file.write(['BM',data.bytesize+54,0,54,40,width,height,
1,32,0,data.bytesize,0,0,0,0].pack('a2L6S2L6'))
file.write(data)
end
end
end
def export_png(filename)
data, i = get_data, 0
if vxace?
(0).step(data.bytesize-4, 4) do |i|
byte2 = data.getbyte(i)
data.setbyte(i, data.getbyte(i+2))
data.setbyte(i+2, byte2)
end
else
(0).step(data.bytesize-4, 4) do |i|
data[i,3] = data[i,3].reverse!
end
end
deflate = Zlib::Deflate.new(9)
null_char, w4 = [].pack('x'), width*4
(data.bytesize-w4).step(0, -w4) {|i| deflate << null_char << data[i,w4]}
data.replace(deflate.finish)
deflate.close
File.open(filename, 'wb') do |file|
def file.write_chunk(chunk)
write([chunk.bytesize-4].pack('N'))
write(chunk)
write([Zlib.crc32(chunk)].pack('N'))
end
file.write("\211PNG\r\n\32\n")
file.write_chunk(['IHDR',width,height,8,6,0,0,0].pack('a4N2C5'))
file.write_chunk(data.insert(0, 'IDAT'))
file.write_chunk('IEND')
end
end
end
module Graphics
if xp?
FindWindow = Win32API.new('user32', 'FindWindow' , 'pp' , 'i')
GetDC = Win32API.new('user32', 'GetDC' , 'i' , 'i')
ReleaseDC = Win32API.new('user32', 'ReleaseDC' , 'ii' , 'i')
BitBlt = Win32API.new('gdi32' , 'BitBlt' , 'iiiiiiiii', 'i')
CreateCompatibleBitmap = Win32API.new('gdi32' , 'CreateCompatibleBitmap', 'iii' , 'i')
CreateCompatibleDC = Win32API.new('gdi32' , 'CreateCompatibleDC' , 'i' , 'i')
DeleteDC = Win32API.new('gdi32' , 'DeleteDC' , 'i' , 'i')
DeleteObject = Win32API.new('gdi32' , 'DeleteObject' , 'i' , 'i')
GetDIBits = Win32API.new('gdi32' , 'GetDIBits' , 'iiiiipi' , 'i')
SelectObject = Win32API.new('gdi32' , 'SelectObject' , 'ii' , 'i')
def self.snap_to_bitmap
bitmap = Bitmap.new(width, height)
info = [40,width,height,1,32,0,0,0,0,0,0].pack('LllSSLLllLL')
hDC = GetDC.call(hwnd)
bmp_hDC = CreateCompatibleDC.call(hDC)
bmp_hBM = CreateCompatibleBitmap.call(hDC, width, height)
bmp_obj = SelectObject.call(bmp_hDC, bmp_hBM)
BitBlt.call(bmp_hDC, 0, 0, width, height, hDC, 0, 0, 0xCC0020)
GetDIBits.call(bmp_hDC, bmp_hBM, 0, height, bitmap.last_row_address, info, 0)
SelectObject.call(bmp_hDC, bmp_obj)
DeleteObject.call(bmp_hBM)
DeleteDC.call(bmp_hDC)
ReleaseDC.call(hwnd, hDC)
bitmap
end
end
class << self
def hwnd() @hwnd ||= FindWindow.call('RGSS Player', nil) end
def width() 640 end unless method_defined?(:width)
def height() 480 end unless method_defined?(:height)
def export(filename=Time.now.strftime("snapshot %Y-%m-%d %Hh%Mm%Ss #{frame_count}"))
bitmap = snap_to_bitmap
bitmap.export(filename)
bitmap.dispose
end
alias save export
alias snapshot export
end
end |
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