Added image export, tested mtgeditor import

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@119 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/format/image.cpp

@@ -0,0 +1,47 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2006 Twan van Laarhoven                           |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <data/format/formats.hpp>
+#include <data/set.hpp>
+#include <data/settings.hpp>
+#include <render/card/viewer.hpp>
+
+// ----------------------------------------------------------------------------- : Single card export
+
+void export_image(const SetP& set, const CardP& card, const String& filename) {
+	Image img = export_bitmap(set, card).ConvertToImage();
+	img.SaveFile(filename);	// can't use Bitmap::saveFile, it wants to know the file type
+							// but image.saveFile determines it automagicly
+}
+
+Bitmap export_bitmap(const SetP& set, const CardP& card) {
+	// create viewer
+	DataViewer viewer;
+	viewer.setSet(set);
+	viewer.setCard(card);
+	// style to use
+	StyleSheetP style = set->stylesheetFor(card);
+	// size of cards
+	if (settings.stylesheetSettingsFor(*style).card_normal_export()) {
+		// TODO
+//		viewer.rotation.angle = 0;
+//		viewer.rotation.zoom  = 1.0;
+	}
+	RealSize size = viewer.getRotation().getExternalRect().size();
+	// create bitmap & dc
+	Bitmap bitmap(size.width, size.height);
+	if (!bitmap.Ok()) throw InternalError(_("Unable to create bitmap"));
+	wxMemoryDC dc;
+	dc.SelectObject(bitmap);
+	// draw
+	viewer.draw(dc);
+	dc.SelectObject(wxNullBitmap);
+	return bitmap;
+}
+
+// ----------------------------------------------------------------------------- : Multiple card export