Use integer text position in scroll container, TextEdit and canvas editor, to ensure sharp text rendering.

Use integer font align/advance with any font scaling, to ensure sharp text rendering.

editor/plugins/canvas_item_editor_plugin.cpp

@@ -2935,7 +2935,7 @@ void CanvasItemEditor::_draw_rulers() {
 	// Draw top ruler
 	viewport->draw_rect(Rect2(Point2(RULER_WIDTH, 0), Size2(viewport->get_size().x, RULER_WIDTH)), bg_color);
 	for (int i = Math::ceil(first.x); i < last.x; i++) {
-		Point2 position = (transform * ruler_transform * major_subdivide * minor_subdivide).xform(Point2(i, 0));
+		Point2 position = (transform * ruler_transform * major_subdivide * minor_subdivide).xform(Point2(i, 0)).round();
 		if (i % (major_subdivision * minor_subdivision) == 0) {
 			viewport->draw_line(Point2(position.x, 0), Point2(position.x, RULER_WIDTH), graduation_color, Math::round(EDSCALE));
 			float val = (ruler_transform * major_subdivide * minor_subdivide).xform(Point2(i, 0)).x;
@@ -2952,7 +2952,7 @@ void CanvasItemEditor::_draw_rulers() {
 	// Draw left ruler
 	viewport->draw_rect(Rect2(Point2(0, RULER_WIDTH), Size2(RULER_WIDTH, viewport->get_size().y)), bg_color);
 	for (int i = Math::ceil(first.y); i < last.y; i++) {
-		Point2 position = (transform * ruler_transform * major_subdivide * minor_subdivide).xform(Point2(0, i));
+		Point2 position = (transform * ruler_transform * major_subdivide * minor_subdivide).xform(Point2(0, i)).round();
 		if (i % (major_subdivision * minor_subdivision) == 0) {
 			viewport->draw_line(Point2(0, position.y), Point2(RULER_WIDTH, position.y), graduation_color, Math::round(EDSCALE));
 			float val = (ruler_transform * major_subdivide * minor_subdivide).xform(Point2(0, i)).y;

modules/text_server_adv/dynamic_font_adv.cpp

@@ -432,8 +432,8 @@ DynamicFontDataAdvanced::Character DynamicFontDataAdvanced::bitmap_to_character(
 	}
 
 	Character chr;
-	chr.align = Vector2(xofs, -yofs) * p_data->scale_color_font / oversampling;
-	chr.advance = advance * p_data->scale_color_font / oversampling;
+	chr.align = (Vector2(xofs, -yofs) * p_data->scale_color_font / oversampling).round();
+	chr.advance = (advance * p_data->scale_color_font / oversampling).round();
 	chr.texture_idx = tex_pos.index;
 	chr.found = true;
 

modules/text_server_fb/dynamic_font_fb.cpp

@@ -317,8 +317,8 @@ DynamicFontDataFallback::Character DynamicFontDataFallback::bitmap_to_character(
 	}
 
 	Character chr;
-	chr.align = Vector2(xofs, -yofs) * p_data->scale_color_font / oversampling;
-	chr.advance = advance * p_data->scale_color_font / oversampling;
+	chr.align = (Vector2(xofs, -yofs) * p_data->scale_color_font / oversampling).round();
+	chr.advance = (advance * p_data->scale_color_font / oversampling).round();
 	chr.texture_idx = tex_pos.index;
 	chr.found = true;
 

scene/gui/progress_bar.cpp

@@ -74,7 +74,7 @@ void ProgressBar::_notification(int p_what) {
 		if (percent_visible) {
 			String txt = TS->format_number(itos(int(get_as_ratio() * 100))) + TS->percent_sign();
 			TextLine tl = TextLine(txt, font, font_size);
-			tl.draw(get_canvas_item(), Point2(get_size().width - tl.get_size().x, get_size().height - tl.get_size().y) / 2, font_color);
+			tl.draw(get_canvas_item(), (Point2(get_size().width - tl.get_size().x, get_size().height - tl.get_size().y) / 2).round(), font_color);
 		}
 	}
 }

scene/gui/scroll_container.cpp

@@ -328,6 +328,7 @@ void ScrollContainer::_notification(int p_what) {
 			if (rtl && v_scroll->is_visible_in_tree() && v_scroll->get_parent() == this) {
 				r.position.x += v_scroll->get_minimum_size().x;
 			}
+			r.position = r.position.floor();
 			fit_child_in_rect(c, r);
 		}
 

scene/gui/text_edit.cpp

@@ -1245,7 +1245,7 @@ void TextEdit::_notification(int p_what) {
 					int gl_size = visual.size();
 
 					ofs_y += ldata->get_line_ascent(line_wrap_index);
-					float char_ofs = 0.f;
+					int char_ofs = 0;
 					for (int j = 0; j < gl_size; j++) {
 						if (color_map.has(glyphs[j].start)) {
 							current_color = color_map[glyphs[j].start].get("color");