--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/colors.cpp Wed May 08 15:19:06 2013 +0300
@@ -0,0 +1,173 @@
+/*
+ * LDForge: LDraw parts authoring CAD
+ * Copyright (C) 2013 Santeri Piippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common.h"
+#include "colors.h"
+#include "file.h"
+#include "misc.h"
+#include <qcolor.h>
+
+static color* g_LDColors[MAX_COLORS];
+static bool g_bColorsInit = false;
+
+void initColors () {
+ if (g_bColorsInit)
+ return;
+
+ logf ("%s: initializing color information.\n", __func__);
+
+ color* col;
+
+ // Always make sure there's 16 and 24 available. They're special like that.
+ col = new color;
+ col->zColorString = "#AAAAAA";
+ col->qColor = col->zColorString.chars ();
+ col->qEdge = Qt::black;
+ g_LDColors[maincolor] = col;
+
+ col = new color;
+ col->zColorString = "#000000";
+ col->qEdge = col->qColor = Qt::black;
+ g_LDColors[edgecolor] = col;
+
+ parseLDConfig ();
+
+ g_bColorsInit = true;
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+color* getColor (short dColorNum) {
+ // Check bounds
+ if (dColorNum < 0 || dColorNum >= MAX_COLORS)
+ return null;
+
+ return g_LDColors[dColorNum];
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+static bool parseLDConfigTag (StringParser& pars, char const* sTag, str& zVal) {
+ short dPos;
+ if (!pars.findToken (dPos, sTag, 1))
+ return false;
+
+ return pars.getToken (zVal, dPos + 1);
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+short color::index () {
+ short idx = 0;
+ for (color* it : g_LDColors) {
+ if (it == this)
+ return idx;
+ idx++;
+ }
+
+ return -1;
+}
+
+// =============================================================================
+uchar luma (QColor& col) {
+ return (0.2126f * col.red ()) +
+ (0.7152f * col.green ()) +
+ (0.0722f * col.blue ());
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+void parseLDConfig () {
+ FILE* fp = openLDrawFile ("LDConfig.ldr", false);
+
+ if (!fp)
+ return;
+
+ // Even though LDConfig.ldr is technically an LDraw file, parsing it as one
+ // would be overkill by any standard.
+ char line[1024];
+ while (fgets (line, sizeof line, fp)) {
+ if (strlen (line) == 0 || line[0] != '0')
+ continue; // empty or illogical
+
+ str zLine = line;
+ zLine.replace ("\n", "");
+ zLine.replace ("\r", "");
+
+ StringParser pars (zLine, ' ');
+ short dCode = 0, dAlpha = 255;
+ str zName, zColor, zEdge, zValue;
+
+ // Check 0 !COLOUR, parse the name
+ if (!pars.tokenCompare (0, "0") || !pars.tokenCompare (1, "!COLOUR") || !pars.getToken (zName, 2))
+ continue;
+
+ // Replace underscores in the name with spaces for readability
+ zName.replace ("_", " ");
+
+ // get the CODE tag
+ if (!parseLDConfigTag (pars, "CODE", zValue))
+ continue;
+
+ // Ensure that the code is within range. must be within 0 - 512
+ dCode = atoi (zValue);
+ if (dCode < 0 || dCode >= 512)
+ continue;
+
+ // Don't let LDConfig.ldr override the special colors 16 and 24. However,
+ // do take the name it gives for the color
+ if (dCode == maincolor || dCode == edgecolor) {
+ g_LDColors[dCode]->zName = zName;
+ continue;
+ }
+
+ // VALUE tag
+ if (!parseLDConfigTag (pars, "VALUE", zColor))
+ continue;
+
+ // EDGE tag
+ if (!parseLDConfigTag (pars, "EDGE", zEdge))
+ continue;
+
+ // Ensure that our colors are correct
+ QColor qColor (zColor.chars()),
+ qEdge (zEdge.chars());
+
+ if (!qColor.isValid () || !qEdge.isValid ())
+ continue;
+
+ // Parse alpha if given.
+ if (parseLDConfigTag (pars, "ALPHA", zValue))
+ dAlpha = clamp<short> (atoi (zValue), 0, 255);
+
+ color* col = new color;
+ col->zName = zName;
+ col->qColor = qColor;
+ col->qEdge = qEdge;
+ col->zColorString = zColor;
+ col->qColor.setAlpha (dAlpha);
+
+ g_LDColors[dCode] = col;
+ }
+
+ fclose (fp);
+}
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