diff options
| -rw-r--r-- | src/ui/theme.c | 314 | ||||
| -rw-r--r-- | src/ui/theme.h | 1 |
2 files changed, 291 insertions, 24 deletions
diff --git a/src/ui/theme.c b/src/ui/theme.c index 3b11c131..d277b687 100644 --- a/src/ui/theme.c +++ b/src/ui/theme.c @@ -96,6 +96,114 @@ static void hls_to_rgb (gdouble *h, */ static MetaTheme *meta_current_theme = NULL; +static cairo_surface_t * +scale_surface (cairo_surface_t *surface, + gdouble old_width, + gdouble old_height, + gdouble new_width, + gdouble new_height, + gboolean vertical_stripes, + gboolean horizontal_stripes) +{ + gdouble scale_x; + gdouble scale_y; + cairo_content_t content; + gint width; + gint height; + cairo_surface_t *scaled; + cairo_t *cr; + + scale_x = new_width / old_width; + scale_y = new_height / old_height; + + if (horizontal_stripes && !vertical_stripes) + { + new_width = old_width; + scale_x = 1.0; + } + else if (vertical_stripes && !horizontal_stripes) + { + new_height = old_height; + scale_y = 1.0; + } + + content = CAIRO_CONTENT_COLOR_ALPHA; + width = ceil (new_width); + height = ceil (new_height); + + scaled = cairo_surface_create_similar (surface, content, width, height); + cr = cairo_create (scaled); + + cairo_scale (cr, scale_x, scale_y); + cairo_set_source_surface (cr, surface, 0, 0); + + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD); + + cairo_paint (cr); + cairo_destroy (cr); + + return scaled; +} + +static cairo_surface_t * +get_surface_from_pixbuf (GdkPixbuf *pixbuf, + MetaImageFillType fill_type, + gdouble width, + gdouble height, + gboolean vertical_stripes, + gboolean horizontal_stripes) +{ + gdouble pixbuf_width; + gdouble pixbuf_height; + cairo_surface_t *surface; + cairo_content_t content; + cairo_surface_t *copy; + cairo_t *cr; + + pixbuf_width = gdk_pixbuf_get_width (pixbuf); + pixbuf_height = gdk_pixbuf_get_height (pixbuf); + surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL); + + if (pixbuf_width == width && pixbuf_height == height) + { + return surface; + } + + if (fill_type != META_IMAGE_FILL_TILE) + { + cairo_surface_t *scaled; + + scaled = scale_surface (surface, pixbuf_width, pixbuf_height, + width, height, vertical_stripes, + horizontal_stripes); + + cairo_surface_destroy (surface); + surface = scaled; + } + + content = CAIRO_CONTENT_COLOR_ALPHA; + width = ceil (width); + height = ceil (height); + + copy = cairo_surface_create_similar (surface, content, width, height); + cr = cairo_create (copy); + + cairo_set_source_surface (cr, surface, 0, 0); + + if (fill_type == META_IMAGE_FILL_TILE || + vertical_stripes || horizontal_stripes) + { + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + } + + cairo_paint (cr); + cairo_destroy (cr); + + cairo_surface_destroy (surface); + + return copy; +} + static GdkPixbuf * colorize_pixbuf (GdkPixbuf *orig, GdkRGBA *new_color) @@ -1151,6 +1259,38 @@ meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec) g_free (spec); } +cairo_pattern_t * +meta_alpha_gradient_spec_get_mask (const MetaAlphaGradientSpec *spec) +{ + gint n_alphas; + cairo_pattern_t *pattern; + gint i; + + /* Hardcoded in theme-parser.c */ + g_assert (spec->type == META_GRADIENT_HORIZONTAL); + + n_alphas = spec->n_alphas; + if (n_alphas == 0) + return NULL; + + if (n_alphas == 1) + return cairo_pattern_create_rgba (0, 0, 0, spec->alphas[0] / 255.0); + + pattern = cairo_pattern_create_linear (0, 0, 1, 0); + + for (i = 0; i < n_alphas; i++) + cairo_pattern_add_color_stop_rgba (pattern, i / (gfloat) (n_alphas - 1), + 0, 0, 0, spec->alphas[i] / 255.0); + + if (cairo_pattern_status (pattern) != CAIRO_STATUS_SUCCESS) + { + cairo_pattern_destroy (pattern); + return NULL; + } + + return pattern; +} + MetaColorSpec* meta_color_spec_new (MetaColorSpecType type) { @@ -3627,6 +3767,94 @@ draw_op_as_pixbuf (const MetaDrawOp *op, return pixbuf; } +static cairo_surface_t * +draw_op_as_surface (const MetaDrawOp *op, + GtkStyleContext *style, + const MetaDrawInfo *info, + gdouble width, + gdouble height) +{ + cairo_surface_t *surface; + + surface = NULL; + + switch (op->type) + { + case META_DRAW_IMAGE: + { + if (op->data.image.colorize_spec) + { + GdkRGBA color; + + meta_color_spec_render (op->data.image.colorize_spec, + style, &color); + + if (op->data.image.colorize_cache_pixbuf == NULL || + op->data.image.colorize_cache_pixel != GDK_COLOR_RGB (color)) + { + if (op->data.image.colorize_cache_pixbuf) + g_object_unref (G_OBJECT (op->data.image.colorize_cache_pixbuf)); + + /* const cast here */ + ((MetaDrawOp*)op)->data.image.colorize_cache_pixbuf = + colorize_pixbuf (op->data.image.pixbuf, + &color); + ((MetaDrawOp*)op)->data.image.colorize_cache_pixel = + GDK_COLOR_RGB (color); + } + + if (op->data.image.colorize_cache_pixbuf) + { + surface = get_surface_from_pixbuf (op->data.image.colorize_cache_pixbuf, + op->data.image.fill_type, + width, height, + op->data.image.vertical_stripes, + op->data.image.horizontal_stripes); + } + } + else + { + surface = get_surface_from_pixbuf (op->data.image.pixbuf, + op->data.image.fill_type, + width, height, + op->data.image.vertical_stripes, + op->data.image.horizontal_stripes); + } + break; + } + + case META_DRAW_ICON: + if (info->mini_icon && + width <= gdk_pixbuf_get_width (info->mini_icon) && + height <= gdk_pixbuf_get_height (info->mini_icon)) + surface = get_surface_from_pixbuf (info->mini_icon, op->data.icon.fill_type, + width, height, FALSE, FALSE); + else if (info->icon) + surface = get_surface_from_pixbuf (info->icon, op->data.icon.fill_type, + width, height, FALSE, FALSE); + break; + + case META_DRAW_TINT: + case META_DRAW_LINE: + case META_DRAW_RECTANGLE: + case META_DRAW_ARC: + case META_DRAW_CLIP: + case META_DRAW_GRADIENT: + case META_DRAW_GTK_ARROW: + case META_DRAW_GTK_BOX: + case META_DRAW_GTK_VLINE: + case META_DRAW_TITLE: + case META_DRAW_OP_LIST: + case META_DRAW_TILE: + break; + + default: + break; + } + + return surface; +} + static void fill_env (MetaPositionExprEnv *env, const MetaDrawInfo *info, @@ -3899,8 +4127,12 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op, case META_DRAW_IMAGE: { - int rx, ry, rwidth, rheight; - GdkPixbuf *pixbuf; + gint scale; + gdouble rx, ry, rwidth, rheight; + cairo_surface_t *surface; + + scale = gdk_window_get_scale_factor (gdk_get_default_root_window ()); + cairo_scale (cr, 1.0 / scale, 1.0 / scale); if (op->data.image.pixbuf) { @@ -3908,21 +4140,36 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op, env->object_height = gdk_pixbuf_get_height (op->data.image.pixbuf); } - rwidth = parse_size_unchecked (op->data.image.width, env); - rheight = parse_size_unchecked (op->data.image.height, env); + rwidth = parse_size_unchecked (op->data.image.width, env) * scale; + rheight = parse_size_unchecked (op->data.image.height, env) * scale; - pixbuf = draw_op_as_pixbuf (op, style_gtk, info, - rwidth, rheight); + surface = draw_op_as_surface (op, style_gtk, info, rwidth, rheight); - if (pixbuf) + if (surface) { - rx = parse_x_position_unchecked (op->data.image.x, env); - ry = parse_y_position_unchecked (op->data.image.y, env); + rx = parse_x_position_unchecked (op->data.image.x, env) * scale; + ry = parse_y_position_unchecked (op->data.image.y, env) * scale; - gdk_cairo_set_source_pixbuf (cr, pixbuf, rx, ry); - cairo_paint (cr); + cairo_set_source_surface (cr, surface, rx, ry); - g_object_unref (G_OBJECT (pixbuf)); + if (op->data.image.alpha_spec) + { + cairo_pattern_t *pattern; + + cairo_translate (cr, rx, ry); + cairo_scale (cr, rwidth, rheight); + + pattern = meta_alpha_gradient_spec_get_mask (op->data.image.alpha_spec); + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); + } + else + { + cairo_paint (cr); + } + + cairo_surface_destroy (surface); } } break; @@ -3991,24 +4238,43 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op, case META_DRAW_ICON: { - int rx, ry, rwidth, rheight; - GdkPixbuf *pixbuf; + gint scale; + gdouble rx, ry, rwidth, rheight; + cairo_surface_t *surface; + + scale = gdk_window_get_scale_factor (gdk_get_default_root_window ()); + cairo_scale (cr, 1.0 / scale, 1.0 / scale); - rwidth = parse_size_unchecked (op->data.icon.width, env); - rheight = parse_size_unchecked (op->data.icon.height, env); + rwidth = parse_size_unchecked (op->data.icon.width, env) * scale; + rheight = parse_size_unchecked (op->data.icon.height, env) * scale; - pixbuf = draw_op_as_pixbuf (op, style_gtk, info, - rwidth, rheight); + surface = draw_op_as_surface (op, style_gtk, info, rwidth, rheight); - if (pixbuf) + if (surface) { - rx = parse_x_position_unchecked (op->data.icon.x, env); - ry = parse_y_position_unchecked (op->data.icon.y, env); + rx = parse_x_position_unchecked (op->data.icon.x, env) * scale; + ry = parse_y_position_unchecked (op->data.icon.y, env) * scale; - gdk_cairo_set_source_pixbuf (cr, pixbuf, rx, ry); - cairo_paint (cr); + cairo_set_source_surface (cr, surface, rx, ry); - g_object_unref (G_OBJECT (pixbuf)); + if (op->data.icon.alpha_spec) + { + cairo_pattern_t *pattern; + + cairo_translate (cr, rx, ry); + cairo_scale (cr, rwidth, rheight); + + pattern = meta_alpha_gradient_spec_get_mask (op->data.icon.alpha_spec); + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); + } + else + { + cairo_paint (cr); + } + + cairo_surface_destroy (surface); } } break; diff --git a/src/ui/theme.h b/src/ui/theme.h index 34b98935..9dfb8d89 100644 --- a/src/ui/theme.h +++ b/src/ui/theme.h @@ -964,6 +964,7 @@ gboolean meta_gradient_spec_validate (MetaGradientSpec *spec, MetaAlphaGradientSpec* meta_alpha_gradient_spec_new (MetaGradientType type, int n_alphas); void meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec); +cairo_pattern_t * meta_alpha_gradient_spec_get_mask (const MetaAlphaGradientSpec *spec); MetaFrameStyle* meta_frame_style_new (MetaFrameStyle *parent); |