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eeshow/gui/over.c (overlay_draw): shift border outside the content area

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This also ensures that lines with an odd-numbered width are not blended.
This commit is contained in:
Werner Almesberger 2016-08-18 17:39:08 -03:00
parent 969356a0b8
commit 56a4479912
1 changed files with 5 additions and 2 deletions
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7
eeshow/gui/over.c
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@ -55,7 +55,7 @@ struct overlay {
/* ----- Drawing core ------------------------------------------------------ */ /* ----- Drawing core ------------------------------------------------------ */
static void rrect(cairo_t *cr, int x, int y, int w, int h, int r) static void rrect(cairo_t *cr, double x, double y, double w, double h, int r)
{ {
const double deg = M_PI / 180.0; const double deg = M_PI / 180.0;
@ -78,6 +78,7 @@ static unsigned overlay_draw(struct overlay *over, cairo_t *cr,
unsigned ink_w, ink_h; /* effectively used text area size */ unsigned ink_w, ink_h; /* effectively used text area size */
unsigned w, h; /* box size */ unsigned w, h; /* box size */
int tx, ty; /* text start position */ int tx, ty; /* text start position */
double center;
PangoLayout *layout; PangoLayout *layout;
PangoFontDescription *desc; PangoFontDescription *desc;
@ -114,7 +115,9 @@ fprintf(stderr, "%d + %d %d + %d\n",
tx = x - ink_rect.x / PANGO_SCALE + style->pad; tx = x - ink_rect.x / PANGO_SCALE + style->pad;
ty = y - ink_rect.y / PANGO_SCALE + style->pad; ty = y - ink_rect.y / PANGO_SCALE + style->pad;
rrect(cr, x, y, w, h, style->radius); center = style->width / 2.0;
rrect(cr, x - center, y - center, w + style->width, h + style->width,
style->radius);
cairo_set_source_rgba(cr, bg->r, bg->g, bg->b, bg->alpha); cairo_set_source_rgba(cr, bg->r, bg->g, bg->b, bg->alpha);
cairo_fill_preserve(cr); cairo_fill_preserve(cr);