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-rw-r--r--libstorycode/slide_render_cairo.c97
1 files changed, 57 insertions, 40 deletions
diff --git a/libstorycode/slide_render_cairo.c b/libstorycode/slide_render_cairo.c
index 0998866..cfce28c 100644
--- a/libstorycode/slide_render_cairo.c
+++ b/libstorycode/slide_render_cairo.c
@@ -89,6 +89,59 @@ static size_t pos_trail_to_offset(SlideItem *item, int para,
}
+static void do_background(Stylesheet *ss, const char *stn, cairo_t *cr,
+ double x, double y, double w, double h)
+{
+ enum gradient bg;
+ struct colour bgcol;
+ struct colour bgcol2;
+ cairo_pattern_t *patt = NULL;
+
+ if ( stylesheet_get_background(ss, stn, &bg, &bgcol, &bgcol2) ) return;
+
+ cairo_save(cr);
+ cairo_translate(cr, x, y);
+ cairo_rectangle(cr, 0.0, 0.0, w, h);
+
+ switch ( bg ) {
+
+ case GRAD_NONE:
+ cairo_set_source_rgba(cr, bgcol.rgba[0], bgcol.rgba[1],
+ bgcol.rgba[2], bgcol.rgba[3]);
+ break;
+
+ case GRAD_VERT:
+ patt = cairo_pattern_create_linear(0.0, 0.0, 0.0, h);
+ cairo_pattern_add_color_stop_rgba(patt, 0.0,
+ bgcol.rgba[0], bgcol.rgba[1],
+ bgcol.rgba[2], bgcol.rgba[3]);
+ cairo_pattern_add_color_stop_rgba(patt, 1.0,
+ bgcol2.rgba[0], bgcol2.rgba[1],
+ bgcol2.rgba[2], bgcol2.rgba[3]);
+ cairo_set_source(cr, patt);
+ break;
+
+ case GRAD_HORIZ:
+ patt = cairo_pattern_create_linear(0.0, 0.0, w, 0.0);
+ cairo_pattern_add_color_stop_rgba(patt, 0.0,
+ bgcol.rgba[0], bgcol.rgba[1],
+ bgcol.rgba[2], bgcol.rgba[3]);
+ cairo_pattern_add_color_stop_rgba(patt, 1.0,
+ bgcol2.rgba[0], bgcol2.rgba[1],
+ bgcol2.rgba[2], bgcol2.rgba[3]);
+ cairo_set_source(cr, patt);
+ break;
+
+ default:
+ fprintf(stderr, "Unrecognised slide background type %i\n", bg);
+ break;
+
+ }
+ cairo_fill(cr);
+ cairo_restore(cr);
+}
+
+
static void render_text(SlideItem *item, cairo_t *cr, PangoContext *pc,
Stylesheet *ss, const char *stn,
double parent_w, double parent_h,
@@ -145,7 +198,8 @@ static void render_text(SlideItem *item, cairo_t *cr, PangoContext *pc,
sel_e = 0;
}
- /* FIXME: Apply background */
+ do_background(ss, stn, cr, x, y, w, h);
+
if ( stylesheet_get_paraspace(ss, stn, paraspacel) == 0 ) {
paraspace[0] = lcalc(paraspacel[0], w);
paraspace[1] = lcalc(paraspacel[1], w);
@@ -289,51 +343,14 @@ int slide_render_cairo(Slide *s, cairo_t *cr, ImageStore *is, Stylesheet *styles
int slide_number, PangoLanguage *lang, PangoContext *pc,
SlideItem *sel_item, struct slide_pos sel_start, struct slide_pos sel_end)
{
- int i, r;
- enum gradient bg;
- struct colour bgcol;
- struct colour bgcol2;
- cairo_pattern_t *patt = NULL;
+ int i;
double w, h;
- r = stylesheet_get_background(stylesheet, "SLIDE", &bg, &bgcol, &bgcol2);
- if ( r ) return 1;
-
slide_get_logical_size(s, stylesheet, &w, &h);
sort_slide_positions(&sel_start, &sel_end);
/* Overall background */
- cairo_rectangle(cr, 0.0, 0.0, w, h);
- switch ( bg ) {
-
- case GRAD_NONE:
- cairo_set_source_rgb(cr, bgcol.rgba[0], bgcol.rgba[1], bgcol.rgba[2]);
- break;
-
- case GRAD_VERT:
- patt = cairo_pattern_create_linear(0.0, 0.0, 0.0, h);
- cairo_pattern_add_color_stop_rgb(patt, 0.0,
- bgcol.rgba[0], bgcol.rgba[1], bgcol.rgba[2]);
- cairo_pattern_add_color_stop_rgb(patt, 1.0,
- bgcol2.rgba[0], bgcol2.rgba[1], bgcol2.rgba[2]);
- cairo_set_source(cr, patt);
- break;
-
- case GRAD_HORIZ:
- patt = cairo_pattern_create_linear(0.0, 0.0, w, 0.0);
- cairo_pattern_add_color_stop_rgb(patt, 0.0,
- bgcol.rgba[0], bgcol.rgba[1], bgcol.rgba[2]);
- cairo_pattern_add_color_stop_rgb(patt, 1.0,
- bgcol2.rgba[0], bgcol2.rgba[1], bgcol2.rgba[2]);
- cairo_set_source(cr, patt);
- break;
-
- default:
- fprintf(stderr, "Unrecognised slide background type %i\n", bg);
- break;
-
- }
- cairo_fill(cr);
+ do_background(stylesheet, "SLIDE", cr, 0.0, 0.0, w, h);
for ( i=0; i<s->n_items; i++ ) {