diff options
Diffstat (limited to 'libstorycode')
| -rw-r--r-- | libstorycode/slide_render_cairo.c | 97 |
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++ ) { |