diff options
Diffstat (limited to 'src/slide_render.c')
| -rw-r--r-- | src/slide_render.c | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/src/slide_render.c b/src/slide_render.c index c3e5ee2..b5637e3 100644 --- a/src/slide_render.c +++ b/src/slide_render.c @@ -39,7 +39,8 @@ static void render_bgblock(cairo_t *cr, struct bgblock *b) { GdkColor col1; GdkColor col2; - cairo_pattern_t *patt; + cairo_pattern_t *patt = NULL; + double cx, cy, r, r1, r2; cairo_rectangle(cr, b->min_x, b->min_y, b->max_x - b->min_x, @@ -54,22 +55,47 @@ static void render_bgblock(cairo_t *cr, struct bgblock *b) cairo_fill(cr); break; + case BGBLOCK_GRADIENT_CIRCULAR : + cx = b->min_x + (b->max_x-b->min_x)/2.0; + cy = b->min_y + (b->max_y-b->min_y)/2.0; + r1 = (b->max_x-b->min_x)/2.0; + r2 = (b->max_y-b->min_y)/2.0; + r = r1 > r2 ? r1 : r2; + patt = cairo_pattern_create_radial(cx, cy, r, cx, cy, 0.0); + /* Fall-through */ + + case BGBLOCK_GRADIENT_X : + if ( patt == NULL ) { + patt = cairo_pattern_create_linear(b->min_x, 0.0, + b->max_y, 0.0); + } + /* Fall-through */ + case BGBLOCK_GRADIENT_Y : - patt = cairo_pattern_create_linear(0.0, b->min_y, - 0.0, b->max_y); + if ( patt == NULL ) { + patt = cairo_pattern_create_linear(0.0, b->min_y, + 0.0, b->max_y); + } + gdk_color_parse(b->colour1, &col1); gdk_color_parse(b->colour2, &col2); - cairo_pattern_add_color_stop_rgb(patt, 0.0, col1.red/65535.0, - col1.green/65535.0, - col1.blue/65535.0); - cairo_pattern_add_color_stop_rgb(patt, 1.0, col2.red/65535.0, - col2.green/65535.0, - col2.blue/65535.0); + cairo_pattern_add_color_stop_rgba(patt, 0.0, col1.red/65535.0, + col1.green/65535.0, + col1.blue/65535.0, + b->alpha1); + cairo_pattern_add_color_stop_rgba(patt, 1.0, col2.red/65535.0, + col2.green/65535.0, + col2.blue/65535.0, + b->alpha2); cairo_set_source(cr, patt); cairo_fill(cr); cairo_pattern_destroy(patt); break; + case BGBLOCK_IMAGE : + cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); + cairo_fill(cr); + } } |