FIX: Inline tool icons change size when zooming in or out and scaled tool icons are enabled

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@11892 8aca7d54-2c30-db11-9de9-000461428c89

Author: ceeac

simutrans/history.txt

@@ -62,6 +62,7 @@
 	CHG: (poppo) extended selection of way resp. their obj with CNTRL and SHIFT and pipette tool
 	ADD: new settings cost_kw_per_credit (default was 512) to chaneg revenue from power. Smaller numbers more income
 	FIX: Corrected format of transformer tool icon tooltip
+	FIX: Inline tool icons change size when zooming in or out and scaled tool icons are enabled
 
 
 Release of 124.3.1 (r11671 on 5-Apr-2025):

src/simutrans/gui/components/gui_flowtext.cc

@@ -603,6 +603,12 @@ scr_size gui_flowtext_intern_t::output(scr_coord offset, bool doit, bool return_
 					}
 
 					if ( doit ) {
+						// display_base_img calls display_color_img if zoom level is 1:1;
+						// this will display the scaled tool image, not the original one
+						// and therefore causes graphical glitches when zooming in/out.
+						// Force displaying non-scaled tool image instead.
+						display_fit_img_to_width(image->id, xw);
+
 						display_base_img(image->id, offset.x + xpos + 1 - xoff + D_MARGIN_LEFT, offset.y + ypos + yoff, 0, false, false);
 					}
 					xpos += xw+2;