Same card remains selected when reloading templates;

Fixed vertical blends for non-square images

src/gfx/blend_image.cpp

@@ -39,7 +39,7 @@ void linear_blend(Image& img1, const Image& img2, double x1,double y1, double x2
 	double a = fixed / (sqr(width) * sqr(x1-x2)  +  sqr(height) * sqr(y1-y2));
 	int xm = to_int( (x2 - x1) * width  * a );
 	int ym = to_int( (y2 - y1) * height * a );
-	int d  = to_int( - (x1 * width * xm + y1 * width * ym) );
+	int d  = to_int( - (x1 * width * xm + y1 * height * ym) );
 	
 	Byte *data1 = img1.GetData(), *data2 = img2.GetData();
 	// blend pixels

src/gui/set/window.cpp

@@ -509,9 +509,21 @@ void SetWindow::onFileReload(wxCommandEvent&) {
 	if (filename.empty()) return;
 	wxBusyCursor busy;
 	settings.write();   // save settings
+	// current card
+	size_t card_pos = 0;
+	{
+		vector<CardP>::const_iterator card_it = find(set->cards.begin(), set->cards.end(), current_panel->selectedCard());
+		if (card_it != set->cards.end()) card_pos = card_it - set->cards.begin();
+	}
 	packages.destroy(); // unload all packages
 	settings.read();    // reload settings
 	setSet(import_set(filename));
+	// reselect card
+	if (card_pos < set->cards.size()) {
+		FOR_EACH(p, panels) {
+			p->selectCard(set->cards[card_pos]);
+		}
+	}
 }
 
 void SetWindow::onFileRecent(wxCommandEvent& ev) {