[gtk+] GtkThemingEngine: Use border settings on render_extension/frame_gap()
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+] GtkThemingEngine: Use border settings on render_extension/frame_gap()
- Date: Sat, 4 Dec 2010 15:14:01 +0000 (UTC)
commit 6099399fa7683208cebbf803512bc683b943d78d
Author: Carlos Garnacho <carlosg gnome org>
Date: Mon Nov 15 23:28:06 2010 +0100
GtkThemingEngine: Use border settings on render_extension/frame_gap()
gtk/gtkthemingengine.c | 578 +++++++++++++++++++-----------------------------
1 files changed, 233 insertions(+), 345 deletions(-)
---
diff --git a/gtk/gtkthemingengine.c b/gtk/gtkthemingengine.c
index 6951581..4363891 100644
--- a/gtk/gtkthemingengine.c
+++ b/gtk/gtkthemingengine.c
@@ -1281,6 +1281,8 @@ _cairo_round_rectangle_sides (cairo_t *cr,
cairo_arc (cr, x + width - radius, y + height - radius, radius, G_PI / 4, G_PI / 2);
}
+ else if ((sides & SIDE_RIGHT) == 0)
+ cairo_move_to (cr, x + width, y + height);
if (radius == 0 ||
(junction & GTK_JUNCTION_BOTTOM) ||
@@ -1303,6 +1305,8 @@ _cairo_round_rectangle_sides (cairo_t *cr,
cairo_arc (cr, x + radius, y + height - radius, radius, 3 * (G_PI / 4), G_PI);
}
+ else if ((sides & SIDE_BOTTOM) == 0)
+ cairo_move_to (cr, x, y + height);
if (radius == 0 ||
(junction & GTK_JUNCTION_TOP) ||
@@ -1318,11 +1322,13 @@ _cairo_round_rectangle_sides (cairo_t *cr,
! (junction & GTK_JUNCTION_TOP) &&
! (junction & GTK_JUNCTION_LEFT))
{
- if ((sides & SIDE_TOP) == 0)
+ if ((sides & SIDE_LEFT) == 0)
cairo_new_sub_path (cr);
cairo_arc (cr, x + radius, y + radius, radius, 5 * (G_PI / 4), 3 * (G_PI / 2));
}
+ else if ((sides & SIDE_LEFT) == 0)
+ cairo_move_to (cr, x, y);
if (radius == 0 ||
(junction & GTK_JUNCTION_TOP) ||
@@ -1602,162 +1608,185 @@ gtk_theming_engine_render_background (GtkThemingEngine *engine,
}
static void
-gtk_theming_engine_render_frame (GtkThemingEngine *engine,
- cairo_t *cr,
- gdouble x,
- gdouble y,
- gdouble width,
- gdouble height)
+render_frame_internal (GtkThemingEngine *engine,
+ cairo_t *cr,
+ gdouble x,
+ gdouble y,
+ gdouble width,
+ gdouble height,
+ guint hidden_side,
+ GtkJunctionSides junction)
{
- GtkStateFlags flags;
+ GtkStateFlags state;
GdkRGBA lighter;
GdkRGBA *border_color;
- Gtk9Slice *slice;
GtkBorderStyle border_style;
gint border_width, radius;
- GtkJunctionSides junction;
gdouble d1, d2, m;
- flags = gtk_theming_engine_get_state (engine);
- junction = gtk_theming_engine_get_junction_sides (engine);
-
- gtk_theming_engine_get (engine, flags,
- "border-image", &slice,
+ state = gtk_theming_engine_get_state (engine);
+ gtk_theming_engine_get (engine, state,
"border-color", &border_color,
"border-style", &border_style,
"border-width", &border_width,
"border-radius", &radius,
NULL);
- if (slice)
- {
- gtk_9slice_render (slice, cr, x, y, width, height);
- gtk_9slice_unref (slice);
- }
- else if (border_color &&
- border_style != GTK_BORDER_STYLE_NONE)
- {
- cairo_save (cr);
+ cairo_save (cr);
- color_shade (border_color, 1.8, &lighter);
+ color_shade (border_color, 1.8, &lighter);
- switch (border_style)
- {
- case GTK_BORDER_STYLE_NONE:
- break;
- case GTK_BORDER_STYLE_SOLID:
- cairo_set_line_width (cr, border_width);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
+ switch (border_style)
+ {
+ case GTK_BORDER_STYLE_NONE:
+ break;
+ case GTK_BORDER_STYLE_SOLID:
+ cairo_set_line_width (cr, border_width);
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
- if (border_width > 1)
- {
- x += (gdouble) border_width / 2;
- y += (gdouble) border_width / 2;
- width -= border_width;
- height -= border_width;
- }
- else if (border_width == 1)
- {
- x += 0.5;
- y += 0.5;
- width -= 1;
- height -= 1;
- }
+ if (border_width > 1)
+ {
+ x += (gdouble) border_width / 2;
+ y += (gdouble) border_width / 2;
+ width -= border_width;
+ height -= border_width;
+ }
+ else if (border_width == 1)
+ {
+ x += 0.5;
+ y += 0.5;
+ width -= 1;
+ height -= 1;
+ }
- _cairo_round_rectangle_sides (cr, (gdouble) radius, x, y, width, height,
- SIDE_ALL, junction);
- gdk_cairo_set_source_rgba (cr, border_color);
- cairo_stroke (cr);
+ _cairo_round_rectangle_sides (cr, (gdouble) radius,
+ x, y, width, height,
+ SIDE_ALL & ~(hidden_side),
+ junction);
+ gdk_cairo_set_source_rgba (cr, border_color);
+ cairo_stroke (cr);
- break;
- case GTK_BORDER_STYLE_INSET:
- case GTK_BORDER_STYLE_OUTSET:
- cairo_set_line_width (cr, border_width);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
+ break;
+ case GTK_BORDER_STYLE_INSET:
+ case GTK_BORDER_STYLE_OUTSET:
+ cairo_set_line_width (cr, border_width);
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
- if (border_width > 1)
- {
- d1 = (gdouble) border_width / 2;
- d2 = (gdouble) (border_width - (gint) d1) + 1;
- }
- else
- {
- d1 = 0.5;
- d2 = 1;
- }
+ if (border_width > 1)
+ {
+ d1 = (gdouble) border_width / 2;
+ d2 = (gdouble) (border_width - (gint) d1) + 1;
+ }
+ else
+ {
+ d1 = 0.5;
+ d2 = 1;
+ }
- cairo_save (cr);
+ cairo_save (cr);
- m = MIN (width, height);
- m /= 2;
+ m = MIN (width, height);
+ m /= 2;
- /* Only needed for square frames to have a 3D-like
- * feeling, for rounded ones, the arc will ensure
- * the stroke is painted to end at 45°.
- */
- if (radius == 0)
- {
- cairo_move_to (cr, x, y + height);
- cairo_line_to (cr, x + m, y + height - m);
- cairo_line_to (cr, x + width - m, y + m);
- cairo_line_to (cr, x + width, y);
- cairo_line_to (cr, x + width, y + height);
- cairo_close_path (cr);
-
- cairo_clip (cr);
- }
+ /* Only needed for square frames to have a 3D-like
+ * feeling, for rounded ones, the arc will ensure
+ * the stroke is painted to end at 45°.
+ */
+ if (radius == 0)
+ {
+ cairo_move_to (cr, x, y + height);
+ cairo_line_to (cr, x + m, y + height - m);
+ cairo_line_to (cr, x + width - m, y + m);
+ cairo_line_to (cr, x + width, y);
+ cairo_line_to (cr, x + width, y + height);
+ cairo_close_path (cr);
- if (border_style == GTK_BORDER_STYLE_INSET)
- gdk_cairo_set_source_rgba (cr, &lighter);
- else
- gdk_cairo_set_source_rgba (cr, border_color);
+ cairo_clip (cr);
+ }
- _cairo_round_rectangle_sides (cr, (gdouble) radius,
- x + d1, y + d1,
- width - d2, height - d2,
- SIDE_BOTTOM | SIDE_RIGHT, junction);
- cairo_stroke (cr);
+ if (border_style == GTK_BORDER_STYLE_INSET)
+ gdk_cairo_set_source_rgba (cr, &lighter);
+ else
+ gdk_cairo_set_source_rgba (cr, border_color);
- cairo_restore (cr);
+ _cairo_round_rectangle_sides (cr, (gdouble) radius,
+ x + d1, y + d1,
+ width - d2, height - d2,
+ (SIDE_BOTTOM | SIDE_RIGHT) & ~(hidden_side),
+ junction);
+ cairo_stroke (cr);
- cairo_save (cr);
+ cairo_restore (cr);
- if (radius == 0)
- {
- cairo_move_to (cr, x, y + height);
- cairo_line_to (cr, x + m, y + height - m);
- cairo_line_to (cr, x + width - m, y + m);
- cairo_line_to (cr, x + width, y);
- cairo_line_to (cr, x, y);
- cairo_close_path (cr);
-
- cairo_clip (cr);
- }
+ cairo_save (cr);
- if (border_style == GTK_BORDER_STYLE_INSET)
- gdk_cairo_set_source_rgba (cr, border_color);
- else
- gdk_cairo_set_source_rgba (cr, &lighter);
+ if (radius == 0)
+ {
+ cairo_move_to (cr, x, y + height);
+ cairo_line_to (cr, x + m, y + height - m);
+ cairo_line_to (cr, x + width - m, y + m);
+ cairo_line_to (cr, x + width, y);
+ cairo_line_to (cr, x, y);
+ cairo_close_path (cr);
- _cairo_round_rectangle_sides (cr, (gdouble) radius,
- x + d1, y + d1,
- width - d2, height - d2,
- SIDE_TOP | SIDE_LEFT, junction);
- cairo_stroke (cr);
+ cairo_clip (cr);
+ }
- cairo_restore (cr);
+ if (border_style == GTK_BORDER_STYLE_INSET)
+ gdk_cairo_set_source_rgba (cr, border_color);
+ else
+ gdk_cairo_set_source_rgba (cr, &lighter);
- break;
- }
+ _cairo_round_rectangle_sides (cr, (gdouble) radius,
+ x + d1, y + d1,
+ width - d2, height - d2,
+ (SIDE_TOP | SIDE_LEFT) & ~(hidden_side),
+ junction);
+ cairo_stroke (cr);
cairo_restore (cr);
+ break;
}
+ cairo_restore (cr);
+
if (border_color)
gdk_rgba_free (border_color);
}
static void
+gtk_theming_engine_render_frame (GtkThemingEngine *engine,
+ cairo_t *cr,
+ gdouble x,
+ gdouble y,
+ gdouble width,
+ gdouble height)
+{
+ GtkStateFlags flags;
+ Gtk9Slice *slice;
+ GtkBorderStyle border_style;
+ GtkJunctionSides junction;
+
+ flags = gtk_theming_engine_get_state (engine);
+ junction = gtk_theming_engine_get_junction_sides (engine);
+
+ gtk_theming_engine_get (engine, flags,
+ "border-image", &slice,
+ "border-style", &border_style,
+ NULL);
+
+ if (slice)
+ {
+ gtk_9slice_render (slice, cr, x, y, width, height);
+ gtk_9slice_unref (slice);
+ }
+ else if (border_style != GTK_BORDER_STYLE_NONE)
+ render_frame_internal (engine, cr,
+ x, y, width, height,
+ 0, junction);
+}
+
+static void
gtk_theming_engine_render_expander (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
@@ -2120,144 +2149,73 @@ gtk_theming_engine_render_frame_gap (GtkThemingEngine *engine,
gdouble xy0_gap,
gdouble xy1_gap)
{
- GtkStateFlags flags;
+ GtkJunctionSides junction;
+ GtkStateFlags state;
+ gint border_width;
GdkRGBA *bg_color;
- GdkRGBA lighter, darker;
- guint sides;
- cairo_save (cr);
- flags = gtk_theming_engine_get_state (engine);
-
- cairo_set_line_width (cr, 1);
-
- gtk_theming_engine_get (engine, flags,
+ state = gtk_theming_engine_get_state (engine);
+ gtk_theming_engine_get (engine, state,
+ "border-width", &border_width,
"background-color", &bg_color,
NULL);
- color_shade (bg_color, 0.7, &darker);
- color_shade (bg_color, 1.3, &lighter);
-
- if (gtk_theming_engine_has_class (engine, "frame"))
- {
- if (gap_side == GTK_POS_RIGHT)
- sides = SIDE_BOTTOM;
- else if (gap_side == GTK_POS_BOTTOM)
- sides = SIDE_RIGHT;
- else
- sides = SIDE_BOTTOM | SIDE_RIGHT;
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_rectangle_sides (cr, x , y, width , height, sides);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_rectangle_sides (cr, x, y, width - 1, height - 1, sides);
- cairo_stroke (cr);
-
- if (gap_side == GTK_POS_RIGHT ||
- gap_side == GTK_POS_BOTTOM)
- {
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_gap_side (cr, gap_side,
- x + 1, y + 1, width - 4, height - 4,
- xy0_gap, xy1_gap);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_gap_side (cr, gap_side,
- x, y, width, height,
- xy0_gap, xy1_gap);
- cairo_stroke (cr);
- }
-
- if (gap_side == GTK_POS_LEFT)
- sides = SIDE_TOP;
- else if (gap_side == GTK_POS_TOP)
- sides = SIDE_LEFT;
- else
- sides = SIDE_TOP | SIDE_LEFT;
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_rectangle_sides (cr, x + 1, y + 1, width - 2, height - 3, sides);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_rectangle_sides (cr, x, y, width - 1, height - 1, sides);
- cairo_stroke (cr);
- if (gap_side == GTK_POS_LEFT ||
- gap_side == GTK_POS_TOP)
- {
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_gap_side (cr, gap_side,
- x + 1, y + 1, width - 4, height - 4,
- xy0_gap, xy1_gap);
- cairo_stroke (cr);
+ cairo_save (cr);
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_gap_side (cr, gap_side,
- x, y, width - 2, height - 2,
- xy0_gap, xy1_gap);
- cairo_stroke (cr);
- }
- }
- else
+ switch (gap_side)
{
- if (gap_side == GTK_POS_RIGHT)
- sides = SIDE_BOTTOM;
- else if (gap_side == GTK_POS_BOTTOM)
- sides = SIDE_RIGHT;
- else
- sides = SIDE_BOTTOM | SIDE_RIGHT;
-
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_rectangle_sides (cr, x + 1, y, width - 2, height, sides);
- add_path_rectangle_sides (cr, x, y + 1, width, height - 2, sides);
- cairo_stroke (cr);
-
- cairo_set_source_rgb (cr, 0, 0, 0);
- add_path_rectangle_sides (cr, x, y, width, height, sides);
- cairo_stroke (cr);
-
- if (gap_side == GTK_POS_RIGHT ||
- gap_side == GTK_POS_BOTTOM)
- {
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_gap_side (cr, gap_side,
- x, y, width - 2, height - 2,
- xy0_gap, xy1_gap);
- cairo_stroke (cr);
-
- cairo_set_source_rgb (cr, 0, 0, 0);
- add_path_gap_side (cr, gap_side,
- x, y, width - 1, height - 1,
- xy0_gap, xy1_gap);
- cairo_stroke (cr);
- }
-
- if (gap_side == GTK_POS_LEFT)
- sides = SIDE_TOP;
- else if (gap_side == GTK_POS_TOP)
- sides = SIDE_LEFT;
- else
- sides = SIDE_TOP | SIDE_LEFT;
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_rectangle_sides (cr, x, y, width, height, sides);
- cairo_stroke (cr);
+ case GTK_POS_TOP:
+ junction = GTK_JUNCTION_TOP;
+ break;
+ case GTK_POS_BOTTOM:
+ junction = GTK_JUNCTION_BOTTOM;
+ break;
+ case GTK_POS_LEFT:
+ junction = GTK_JUNCTION_LEFT;
+ break;
+ case GTK_POS_RIGHT:
+ junction = GTK_JUNCTION_RIGHT;
+ break;
+ }
- if (gap_side == GTK_POS_LEFT ||
- gap_side == GTK_POS_TOP)
- {
- add_path_gap_side (cr, gap_side,
- x, y, width, height,
- xy0_gap, xy1_gap);
- cairo_stroke (cr);
- }
+ render_frame_internal (engine, cr,
+ x, y, width, height,
+ 0, junction);
+ switch (gap_side)
+ {
+ case GTK_POS_TOP:
+ cairo_rectangle (cr,
+ x + xy0_gap + border_width, y,
+ xy1_gap - xy0_gap - 2 * border_width,
+ border_width);
+ break;
+ case GTK_POS_BOTTOM:
+ cairo_rectangle (cr,
+ x + xy0_gap + border_width,
+ y + height - border_width,
+ xy1_gap - xy0_gap - 2 * border_width,
+ border_width);
+ break;
+ case GTK_POS_LEFT:
+ cairo_rectangle (cr,
+ x, y + xy0_gap + border_width, border_width,
+ xy1_gap - xy0_gap - 2 * border_width);
+ break;
+ case GTK_POS_RIGHT:
+ cairo_rectangle (cr,
+ x + width - border_width,
+ y + xy0_gap + border_width, border_width,
+ xy1_gap - xy0_gap - 2 * border_width);
+ break;
}
+ gdk_cairo_set_source_rgba (cr, bg_color);
+ cairo_fill (cr);
+
cairo_restore (cr);
- gdk_rgba_free (bg_color);
+ if (bg_color)
+ gdk_rgba_free (bg_color);
}
static void
@@ -2269,124 +2227,54 @@ gtk_theming_engine_render_extension (GtkThemingEngine *engine,
gdouble height,
GtkPositionType gap_side)
{
- GtkStateFlags flags;
+ GtkJunctionSides junction;
+ GtkStateFlags state;
+ guint hidden_side;
GdkRGBA *bg_color;
- GdkRGBA lighter, darker;
+ gint radius;
cairo_save (cr);
- flags = gtk_theming_engine_get_state (engine);
-
- cairo_set_line_width (cr, 1);
-
- gtk_theming_engine_get (engine, flags,
- "background-color", &bg_color,
- NULL);
- color_shade (bg_color, 0.7, &darker);
- color_shade (bg_color, 1.3, &lighter);
switch (gap_side)
{
+ case GTK_POS_LEFT:
+ junction = GTK_JUNCTION_LEFT;
+ hidden_side = SIDE_LEFT;
+ break;
+ case GTK_POS_RIGHT:
+ junction = GTK_JUNCTION_RIGHT;
+ hidden_side = SIDE_RIGHT;
+ break;
case GTK_POS_TOP:
- gdk_cairo_set_source_rgba (cr, bg_color);
- cairo_rectangle (cr, x + 1, y, width - 2, height);
- cairo_fill (cr);
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_line (cr, x, y, x, y + height - 2);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, bg_color);
- add_path_line (cr, x + 1, y, x + 1, y + height - 2);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_line (cr, x + 2, y + height - 2, x + width - 2, y + height - 2);
- add_path_line (cr, x + width - 2, y, x + width - 2, y + height - 2);
- cairo_stroke (cr);
-
- cairo_set_source_rgb (cr, 0, 0, 0);
- add_path_line (cr, x + 1, y + height - 1, x + width - 2, y + height - 1);
- add_path_line (cr, x + width - 1, y, x + width - 1, y + height - 2);
- cairo_stroke (cr);
-
+ junction = GTK_JUNCTION_TOP;
+ hidden_side = SIDE_TOP;
break;
case GTK_POS_BOTTOM:
- gdk_cairo_set_source_rgba(cr, bg_color);
- cairo_rectangle (cr, x + 1, y, width - 2, height);
- cairo_fill (cr);
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_line (cr, x + 1, y, x + width - 2, y);
- add_path_line (cr, x, y + 1, x, y + height - 1);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, bg_color);
- add_path_line (cr, x + 1, y + 1, x + width - 2, y + 1);
- add_path_line (cr, x + 1, y + 1, x + 1, y + height - 1);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_line (cr, x + width - 2, y + 2, x + width - 2, y + height - 1);
- cairo_stroke (cr);
-
- cairo_set_source_rgb (cr, 0, 0, 0);
- add_path_line (cr, x + width - 1, y + 1, x + width - 1, y + height - 1);
- cairo_stroke (cr);
-
+ junction = GTK_JUNCTION_BOTTOM;
+ hidden_side = SIDE_BOTTOM;
break;
- case GTK_POS_LEFT:
- gdk_cairo_set_source_rgba (cr, bg_color);
- cairo_rectangle (cr, x, y + 1, width, height - 2);
- cairo_fill (cr);
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_line (cr, x, y, x + width - 2, y);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, bg_color);
- add_path_line (cr, x + 1, y + 1, x + width - 2, y + 1);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_line (cr, x, y + height - 2, x + width - 2, y + height - 2);
- add_path_line (cr, x + width - 2, y + 2, x + width - 2, y + height - 2);
- cairo_stroke (cr);
-
- cairo_set_source_rgb (cr, 0, 0, 0);
- add_path_line (cr, x, y + height - 1, x + width - 2, y + height - 1);
- add_path_line (cr, x + width - 1, y + 1, x + width - 1, y + height - 2);
- cairo_stroke (cr);
-
- break;
- case GTK_POS_RIGHT:
- gdk_cairo_set_source_rgba (cr, bg_color);
- cairo_rectangle (cr, x, y + 1, width, height - 2);
- cairo_fill (cr);
-
- gdk_cairo_set_source_rgba (cr, &lighter);
- add_path_line (cr, x + 1, y, x + width - 1, y);
- add_path_line (cr, x, y + 1, x, y + height - 2);
- cairo_stroke (cr);
-
- gdk_cairo_set_source_rgba (cr, bg_color);
- add_path_line (cr, x + 1, y + 1, x + width - 1, y + 1);
- add_path_line (cr, x + 1, y + 1, x + 1, y + height - 2);
- cairo_stroke (cr);
+ }
- gdk_cairo_set_source_rgba (cr, &darker);
- add_path_line (cr, x + 2, y + height - 2, x + width - 1, y + height - 2);
- cairo_stroke (cr);
+ state = gtk_theming_engine_get_state (engine);
+ gtk_theming_engine_get (engine, state,
+ "background-color", &bg_color,
+ "border-radius", &radius,
+ NULL);
- cairo_set_source_rgb (cr, 0, 0, 0);
- add_path_line (cr, x + 1, y + height - 1, x + width - 1, y + height - 1);
- cairo_stroke (cr);
+ _cairo_round_rectangle_sides (cr, radius,
+ x, y, width, height,
+ SIDE_ALL, junction);
+ gdk_cairo_set_source_rgba (cr, bg_color);
+ cairo_fill (cr);
- break;
- }
+ render_frame_internal (engine, cr,
+ x, y, width, height,
+ hidden_side, junction);
cairo_restore (cr);
- gdk_rgba_free (bg_color);
+ if (bg_color)
+ gdk_rgba_free (bg_color);
}
static void
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