チェンジセット 1568

コミット日時:

2008/10/10 21:18:06 (3 年前)

コミッタ:

gyuque

ログメッセージ:

(not built in) DefineBits? image extractor

ファイル:

• ruby/jsplash/trunk/rawswf.rb (更新) (5 diffs)

ruby/jsplash/trunk/rawswf.rb

@@ -1 +1 @@
-module RawSWF
-require 'base64'
+require 'zlib'
-
-def if_alpha(rgba)
@@ -22 +23 @@
-
-        return "#{hex2(red_val)}#{hex2(green_val)}#{hex2(blue_val)}"
+end
+
+class RawDefineBitsTag
+        def initialize(b64)
+                @raw = Base64.decode64(b64)
+        end
+
+        def table_data=(b64)
+                @raw_tbl = Base64.decode64(b64)
+        end
+
+        def export_file(fn)
+                tbl = @raw_tbl[2, @raw_tbl.length-4]
+                i = 0
+
+                File.open(fn, "w"){|f|
+                        f.binmode
+                        while(true)
+                                f.putc(@raw[i])
+
+                                i += 1
+
+                                break if @raw[i] == 0xff && (@raw[i+1] == 0xc0 || @raw[i+1] == 0xc1)
+                        end
+
+                        f.write(tbl)
+                        f.write(@raw[i, @raw.length])
+                }
+        end
+end
+
+class RawDefineBitsJPEG2Tag
+        def initialize(b64)
+                @raw = Base64.decode64(b64)
+        end
-end
-
@@ -195 +231 @@
-                        s = nil
-                        case stype
-
+x00
-                                s = SwfFillStyle.new(SWFFILL_SOLID)
-                                s.start_color = read_rgba
-                                s.end_color   = read_rgba
-                                list << s
+                        when 0x12
+                                s     = SwfFillStyle.new(SWFFILL_RADIAL_G)
+                                read_matrix
+                                read_matrix
+raise "NOT IMPL"
-                        else
-                                raise "fill style type #{stype} is not supported"
@@ -206 +247 @@
-
-                return list
+        end
+        
+        def read_matrix
+                @bs.align_byte
+puts "--"
+                has_scale = (@bs.read_as_int(1) != 0)
+                if has_scale
+                        s_bits = @bs.read_as_int(5)
+                        sx = @bs.read_as_float(s_bits)
+                        sy = @bs.read_as_float(s_bits)
+                        
+                        STDERR.puts "S #{sx} #{sy}"
+                end
+
+                has_rotate = (@bs.read_as_int(1) != 0)
+                if has_rotate
+                        r_bits = @bs.read_as_int(5)
+                        kx = @bs.read_as_float(r_bits)
+                        ky = @bs.read_as_float(r_bits)
+                        
+                        STDERR.puts "K #{kx} #{ky}"
+                end
+
+                has_mov = (@bs.read_as_int(1) != 0)
+                if has_mov
+                        m_bits = @bs.read_as_int(5)
+                        mx = @bs.read_as_float(m_bits)
+                        my = @bs.read_as_float(m_bits)
+                        
+                        STDERR.puts "M #{mx} #{my}"
+                end
-        end
-
@@ -370 +442 @@
-        end
-
+        def read_as_float(count)
+                sgn = read_as_int(   1   )
+                v   = read_as_int(count-1)
+                ival = ((v >> 16) & 0xffff).to_f
+                
+                16.times {|i|
+                        ival += 1.0 / (2**(i+1)).to_f if ((v << i) & 0x8000) != 0
+                }
+                
+                return (sgn==0) ? ival : -ival
+        end
+
-        def read_short
-                read_as_int(8) | (read_as_int(8) << 8)