M000230.html in ripxplore-0.17.0

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-  <title>picture_height (C64PhotoScrap)</title>
+  <title>unpacked_bytes (C64PhotoScrap)</title>
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-  <pre><span class="ruby-comment cmt"># File lib/native_file_types/c64/C64PhotoScrap.rb, line 53</span>
-        <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">picture_height</span>
-                (<span class="ruby-identifier">contents</span>[<span class="ruby-value">1</span>]<span class="ruby-operator">+</span>(<span class="ruby-identifier">contents</span>[<span class="ruby-value">2</span>]<span class="ruby-operator">*</span><span class="ruby-value">0x100</span>))
-        <span class="ruby-keyword kw">end</span></pre>
+  <pre><span class="ruby-comment cmt"># File lib/native_file_types/c64/C64PhotoScrap.rb, line 60</span>
+<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">unpacked_bytes</span>
+        <span class="ruby-identifier">bitmap_length</span>=(<span class="ruby-identifier">picture_width</span><span class="ruby-operator">/</span><span class="ruby-value">8</span>)<span class="ruby-operator">*</span><span class="ruby-identifier">picture_height</span>
+        <span class="ruby-identifier">colour_length</span>=(<span class="ruby-identifier">bitmap_length</span>)<span class="ruby-operator">/</span><span class="ruby-value">8</span>
+
+        <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@unpacked_bytes</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-keyword kw">then</span>
+                <span class="ruby-ivar">@unpacked_bytes</span>=<span class="ruby-constant">Array</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">bitmap_length</span><span class="ruby-operator">+</span><span class="ruby-identifier">colour_length</span>)
+                <span class="ruby-identifier">in_p</span>=<span class="ruby-value">3</span>
+                <span class="ruby-identifier">out_p</span>=<span class="ruby-value">0</span>
+                <span class="ruby-keyword kw">while</span> (<span class="ruby-identifier">in_p</span><span class="ruby-operator">&lt;</span><span class="ruby-identifier">contents</span>.<span class="ruby-identifier">length</span>) <span class="ruby-keyword kw">do</span>
+                        <span class="ruby-identifier">count</span>=<span class="ruby-identifier">contents</span>[<span class="ruby-identifier">in_p</span>]
+                        <span class="ruby-identifier">in_p</span><span class="ruby-operator">+=</span><span class="ruby-value">1</span>
+                        <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">count</span>
+                        <span class="ruby-keyword kw">when</span> <span class="ruby-value">00</span><span class="ruby-operator">..</span><span class="ruby-value">127</span> <span class="ruby-keyword kw">then</span>
+                                <span class="ruby-identifier">repeat</span>=<span class="ruby-identifier">count</span>
+                                <span class="ruby-identifier">b</span>=<span class="ruby-identifier">contents</span>[<span class="ruby-identifier">in_p</span>]
+                                <span class="ruby-identifier">in_p</span><span class="ruby-operator">+=</span><span class="ruby-value">1</span>
+                                <span class="ruby-identifier">repeat</span>.<span class="ruby-identifier">times</span> <span class="ruby-keyword kw">do</span> 
+                                        <span class="ruby-ivar">@unpacked_bytes</span>[<span class="ruby-identifier">out_p</span>]=<span class="ruby-identifier">b</span>
+                                        <span class="ruby-identifier">out_p</span><span class="ruby-operator">+=</span><span class="ruby-value">1</span>
+                                <span class="ruby-keyword kw">end</span>                         
+                        <span class="ruby-keyword kw">when</span> <span class="ruby-value">128</span><span class="ruby-operator">..</span><span class="ruby-value">220</span> <span class="ruby-keyword kw">then</span>
+                                <span class="ruby-identifier">repeat</span>=<span class="ruby-identifier">count</span><span class="ruby-operator">-</span><span class="ruby-value">128</span>
+                                <span class="ruby-identifier">repeat</span>.<span class="ruby-identifier">times</span> <span class="ruby-keyword kw">do</span> 
+                                        <span class="ruby-identifier">b</span>=<span class="ruby-identifier">contents</span>[<span class="ruby-identifier">in_p</span>]
+                                        <span class="ruby-identifier">in_p</span><span class="ruby-operator">+=</span><span class="ruby-value">1</span>
+                                        <span class="ruby-ivar">@unpacked_bytes</span>[<span class="ruby-identifier">out_p</span>]=<span class="ruby-identifier">b</span>
+                                        <span class="ruby-identifier">out_p</span><span class="ruby-operator">+=</span><span class="ruby-value">1</span>
+                                <span class="ruby-keyword kw">end</span>                         
+                        <span class="ruby-keyword kw">when</span> <span class="ruby-value">221</span><span class="ruby-operator">..</span><span class="ruby-value">225</span> <span class="ruby-keyword kw">then</span>
+                                <span class="ruby-identifier">raise</span> <span class="ruby-value str">&quot;BIGCOUNT not implemented yet&quot;</span>
+                        <span class="ruby-keyword kw">end</span>
+                <span class="ruby-keyword kw">end</span>
+<span class="ruby-comment cmt">#               puts &quot;#{filename} #{in_p} #{out_p} of #{bitmap_length} #{count} #{picture_width}x#{picture_height}&quot;</span>
+
+        <span class="ruby-keyword kw">end</span>
+        <span class="ruby-keyword kw">return</span> [<span class="ruby-ivar">@unpacked_bytes</span>[<span class="ruby-value">0</span>,<span class="ruby-identifier">bitmap_length</span>],<span class="ruby-ivar">@unpacked_bytes</span>[<span class="ruby-identifier">bitmap_length</span>,<span class="ruby-identifier">colour_length</span>]]
+        
+<span class="ruby-keyword kw">end</span></pre>
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