[gtksourceview/wip/gutter-refactoring] gutter: draw_cells(): small optimization

[Sébastien Wilmet <swilmet src gnome org>]

commit 4d7d1c913699f27b2b2021b69f649e89baef8920
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Nov 24 20:45:30 2014 +0100

    gutter: draw_cells(): small optimization
    
    Compute part of the state outside the loop.

 gtksourceview/gtksourcegutter.c |   31 +++++++++++++++----------------
 1 files changed, 15 insertions(+), 16 deletions(-)
---
diff --git a/gtksourceview/gtksourcegutter.c b/gtksourceview/gtksourcegutter.c
index 7c0b776..e7872e2 100644
--- a/gtksourceview/gtksourcegutter.c
+++ b/gtksourceview/gtksourcegutter.c
@@ -1096,6 +1096,7 @@ draw_cells (GtkSourceGutter *gutter,
        {
                GtkTextIter end;
                GdkRectangle background_area;
+               GtkSourceGutterRendererState state;
                gint pos;
                gint line_to_paint;
                gint renderer_num;
@@ -1126,6 +1127,19 @@ draw_cells (GtkSourceGutter *gutter,
                background_area.height = g_array_index (info->line_heights, gint, i);
                background_area.x = 0;
 
+               state = GTK_SOURCE_GUTTER_RENDERER_STATE_NORMAL;
+
+               if (line_to_paint == cur_line)
+               {
+                       state |= GTK_SOURCE_GUTTER_RENDERER_STATE_CURSOR;
+               }
+
+               if (has_selection &&
+                   gtk_text_iter_in_range (&start, &selection_start, &selection_end))
+               {
+                       state |= GTK_SOURCE_GUTTER_RENDERER_STATE_SELECTED;
+               }
+
                for (l = gutter->priv->renderers, renderer_num = 0;
                     l != NULL;
                     l = l->next, renderer_num++)
@@ -1133,7 +1147,6 @@ draw_cells (GtkSourceGutter *gutter,
                        Renderer *renderer;
                        GdkRectangle cell_area;
                        gint width;
-                       GtkSourceGutterRendererState state;
                        gint xpad;
                        gint ypad;
 
@@ -1158,21 +1171,6 @@ draw_cells (GtkSourceGutter *gutter,
                        cell_area.x = background_area.x + xpad;
                        cell_area.width = background_area.width - 2 * xpad;
 
-                       state = GTK_SOURCE_GUTTER_RENDERER_STATE_NORMAL;
-
-                       if (line_to_paint == cur_line)
-                       {
-                               state |= GTK_SOURCE_GUTTER_RENDERER_STATE_CURSOR;
-                       }
-
-                       if (has_selection &&
-                           gtk_text_iter_in_range (&start,
-                                                   &selection_start,
-                                                   &selection_end))
-                       {
-                               state |= GTK_SOURCE_GUTTER_RENDERER_STATE_SELECTED;
-                       }
-
                        if (renderer->prelit >= 0 &&
                            cell_area.y <= renderer->prelit && renderer->prelit <= cell_area.y + 
cell_area.height)
                        {
@@ -1202,6 +1200,7 @@ draw_cells (GtkSourceGutter *gutter,
                        cairo_restore (cr);
 
                        background_area.x += background_area.width;
+                       state &= ~GTK_SOURCE_GUTTER_RENDERER_STATE_PRELIT;
                }
 
                i++;