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Fix transparency in C64 visualizer
GIF only allows for one transparent palette entry. (issue #145)
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@ -346,6 +346,12 @@ namespace CommonUtil {
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" height=" + grb.ImageHeight);
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Debug.WriteLine(" localCT=" + grb.LocalColorTableFlag + " size=" +
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grb.LocalColorTableSize + " itrl=" + grb.InterlaceFlag);
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for (int i = 0; i < grb.LocalColorTable.Length; i += 3) {
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Debug.WriteLine(" " + (i / 3) + ": $" +
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grb.LocalColorTable[i].ToString("x2") + " $" +
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grb.LocalColorTable[i + 1].ToString("x2") + " $" +
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grb.LocalColorTable[i + 2].ToString("x2"));
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}
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}
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}
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}
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@ -433,7 +433,11 @@ namespace RuntimeData.Commodore {
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}
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private const byte TRANSPARENT = 16;
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private const byte BORDER_COLOR = 17;
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#if SHOW_BORDER
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private const byte BORDER_COLOR = 0;
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#else
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private const byte BORDER_COLOR = TRANSPARENT;
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#endif
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// C64 colors, from http://unusedino.de/ec64/technical/misc/vic656x/colors/
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// (the ones on https://www.c64-wiki.com/wiki/Color looked wrong)
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@ -455,11 +459,6 @@ namespace RuntimeData.Commodore {
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vb.SetColor(14, 0xff, 0x6c, 0x5e, 0xb5); // 14=light blue
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vb.SetColor(15, 0xff, 0x95, 0x95, 0x95); // 15=light grey
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vb.SetColor(16, 0, 0, 0, 0); // 16=transparent
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#if SHOW_BORDER
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vb.SetColor(17, 0xff, 0x00, 0xd6, 0xff); // 17=grid border
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#else
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vb.SetColor(17, 0, 0, 0, 0); // 17=grid border
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#endif
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}
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}
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}
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