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Bug 788399 - Corrupted display of sample points 

In gimp_canvas_sample_point_get_extents(), use the drawn number's
actual size instead of some random constant that was good enough for
my own font size.
This commit is contained in:
Michael Natterer 2017-10-01 19:39:56 +02:00
parent 8f3cee4241
commit a7620b08aa
1 changed files with 15 additions and 7 deletions
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22
app/display/gimpcanvassamplepoint.c
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@ -254,9 +254,13 @@ gimp_canvas_sample_point_draw (GimpCanvasItem *item,
static cairo_region_t *
gimp_canvas_sample_point_get_extents (GimpCanvasItem *item)
{
cairo_rectangle_int_t rectangle;
gdouble x, y;
gint x1, x2, y1, y2;
GimpCanvasSamplePointPrivate *private = GET_PRIVATE (item);
GtkWidget *canvas = gimp_canvas_item_get_canvas (item);
cairo_rectangle_int_t rectangle;
PangoLayout *layout;
PangoRectangle ink;
gdouble x, y;
gint x1, x2, y1, y2;
gimp_canvas_sample_point_transform (item, &x, &y);
@ -265,15 +269,19 @@ gimp_canvas_sample_point_get_extents (GimpCanvasItem *item)
y1 = floor (y - GIMP_SAMPLE_POINT_DRAW_SIZE);
y2 = ceil (y + GIMP_SAMPLE_POINT_DRAW_SIZE);
layout = gimp_canvas_get_layout (GIMP_CANVAS (canvas),
"%d", private->index);
pango_layout_get_extents (layout, &ink, NULL);
x2 = MAX (x2, 2.5 + ink.width);
y2 = MAX (y2, 2.5 + ink.height);
rectangle.x = x1 - 1.5;
rectangle.y = y1 - 1.5;
rectangle.width = x2 - x1 + 3.0;
rectangle.height = y2 - y1 + 3.0;
/* HACK: add 5 so the number gets cleared too */
rectangle.width += 5;
rectangle.height += 5;
return cairo_region_create_rectangle (&rectangle);
}