finished symbol rendering

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@90 0fc631ac-6414-0410-93d0-97cfa31319b6

src/render/value/symbol.cpp

@@ -7,9 +7,51 @@
 // ----------------------------------------------------------------------------- : Includes
 
 #include <render/value/symbol.hpp>
+#include <render/symbol/filter.hpp>
+#include <data/set.hpp>
+#include <data/symbol.hpp>
+#include <gui/util.hpp> // draw_checker
+#include <util/error.hpp>
+
+DECLARE_TYPEOF_COLLECTION(SymbolStyle::VariationP);
 
 // ----------------------------------------------------------------------------- : SymbolValueViewer
 
 void SymbolValueViewer::draw(RotatedDC& dc) {
-	// TODO
+	drawFieldBorder(dc);
+	// draw checker background
+	draw_checker(dc, style().getRect());
+	double wh = min(style().width, style().height);
+	// try to load symbol
+	if (symbols.empty() && !value().filename.empty()) {
+		try {
+			// load symbol
+			SymbolP symbol = getSet().readFile<SymbolP>(value().filename);
+			// render and filter variations
+			FOR_EACH(variation, style().variations) {
+				Image img = render_symbol(symbol, *variation->filter, variation->border_radius);
+				Image resampled(wh, wh, false);
+				resample(img, resampled);
+				symbols.push_back(Bitmap(resampled));
+			}
+		} catch (const Error& e) {
+			handle_error(e);
+		}
+	}
+	// draw image, if any
+	for (size_t i = 0 ; i < symbols.size() ; ++i) {
+		// todo : labels?
+		dc.DrawBitmap(symbols[i], style().getPos() + RealSize(i * (wh + 2), 0));
+	}
+	// draw helper text if there are no symbols
+	if (symbols.empty()) {
+		dc.SetFont(wxFont(10,wxSWISS,wxNORMAL,wxNORMAL));
+		dc.SetTextForeground(*wxBLACK);
+		RealSize text_size = dc.GetTextExtent(_("double click to edit symbol"));
+		dc.DrawText(_("double click to edit symbol"), align_in_rect(ALIGN_MIDDLE_CENTER, text_size, style().getRect()));
+	}
+}
+
+void SymbolValueViewer::onValueChange() {
+	symbols.clear();
 }