mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-14 20:51:07 +00:00
490 lines
15 KiB
C
490 lines
15 KiB
C
#include <gtk/gtk.h>
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void
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replay_node (GskRenderNode *node, GtkSnapshot *snapshot);
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static void
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replay_container_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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for (guint i = 0; i < gsk_container_node_get_n_children (node); i++)
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replay_node (gsk_container_node_get_child (node, i), snapshot);
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}
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static void
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replay_cairo_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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cairo_surface_t *surface = gsk_cairo_node_get_surface (node);
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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cairo_t *cr = gtk_snapshot_append_cairo (snapshot, &bounds);
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cairo_set_source_surface (cr, surface, 0, 0);
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cairo_paint (cr);
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}
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static void
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replay_color_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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gtk_snapshot_append_color (snapshot,
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gsk_color_node_get_color (node),
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&bounds);
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}
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static void
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replay_linear_gradient_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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graphene_rect_t bounds;
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const graphene_point_t *start_point, *end_point;
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const GskColorStop *stops;
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gsize n_stops = 0;
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gsk_render_node_get_bounds (node, &bounds);
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start_point = gsk_linear_gradient_node_get_start (node);
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end_point = gsk_linear_gradient_node_get_end (node);
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stops = gsk_linear_gradient_node_get_color_stops (node, &n_stops);
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if (gsk_render_node_get_node_type (node) == GSK_REPEATING_LINEAR_GRADIENT_NODE)
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gtk_snapshot_append_repeating_linear_gradient (snapshot, &bounds,
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start_point, end_point,
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stops, n_stops);
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else
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gtk_snapshot_append_linear_gradient (snapshot, &bounds,
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start_point, end_point,
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stops, n_stops);
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}
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static void
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replay_radial_gradient_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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const graphene_point_t *center = gsk_radial_gradient_node_get_center (node);
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float hradius = gsk_radial_gradient_node_get_hradius (node);
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float vradius = gsk_radial_gradient_node_get_vradius (node);
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float start = gsk_radial_gradient_node_get_start (node);
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float end = gsk_radial_gradient_node_get_end (node);
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gsize n_stops = 0;
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const GskColorStop *stops = gsk_radial_gradient_node_get_color_stops (node,
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&n_stops);
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if (gsk_render_node_get_node_type (node) == GSK_REPEATING_RADIAL_GRADIENT_NODE)
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gtk_snapshot_append_repeating_radial_gradient (snapshot, &bounds, center,
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hradius, vradius, start, end,
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stops, n_stops);
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else
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gtk_snapshot_append_radial_gradient (snapshot, &bounds, center,
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hradius, vradius, start, end,
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stops, n_stops);
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}
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static void
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replay_conic_gradient_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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const graphene_point_t *center = gsk_conic_gradient_node_get_center (node);
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float rotation = gsk_conic_gradient_node_get_rotation (node);
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gsize n_stops = 0;
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const GskColorStop *stops = gsk_conic_gradient_node_get_color_stops (node,
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&n_stops);
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gtk_snapshot_append_conic_gradient (snapshot, &bounds, center,
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rotation, stops, n_stops);
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}
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static void
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replay_border_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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const GskRoundedRect *outline = gsk_border_node_get_outline (node);
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const float *border_width = gsk_border_node_get_widths (node);
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const GdkRGBA *border_color = gsk_border_node_get_colors (node);
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gtk_snapshot_append_border (snapshot, outline, border_width, border_color);
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}
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static void
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replay_texture_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GdkTexture *texture = gsk_texture_node_get_texture (node);
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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gtk_snapshot_append_texture (snapshot, texture, &bounds);
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}
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static void
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replay_inset_shadow_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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const GskRoundedRect *outline = gsk_inset_shadow_node_get_outline (node);
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const GdkRGBA *color = gsk_inset_shadow_node_get_color (node);
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float dx = gsk_inset_shadow_node_get_dx (node);
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float dy = gsk_inset_shadow_node_get_dy (node);
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float spread = gsk_inset_shadow_node_get_spread (node);
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float blur_radius = gsk_inset_shadow_node_get_blur_radius (node);
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gtk_snapshot_append_inset_shadow (snapshot, outline, color,
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dx, dy, spread, blur_radius);
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}
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static void
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replay_outset_shadow_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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const GskRoundedRect *outline = gsk_outset_shadow_node_get_outline (node);
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const GdkRGBA *color = gsk_outset_shadow_node_get_color (node);
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float dx = gsk_outset_shadow_node_get_dx (node);
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float dy = gsk_outset_shadow_node_get_dy (node);
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float spread = gsk_outset_shadow_node_get_spread (node);
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float blur_radius = gsk_outset_shadow_node_get_blur_radius (node);
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gtk_snapshot_append_outset_shadow (snapshot, outline, color,
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dx, dy, spread, blur_radius);
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}
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static void
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replay_transform_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GskTransform *transform = gsk_transform_node_get_transform (node);
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GskRenderNode *child = gsk_transform_node_get_child (node);
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gtk_snapshot_save (snapshot);
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gtk_snapshot_transform (snapshot, transform);
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replay_node (child, snapshot);
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gtk_snapshot_restore (snapshot);
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}
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static void
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replay_opacity_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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float opacity = gsk_opacity_node_get_opacity (node);
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GskRenderNode *child = gsk_opacity_node_get_child (node);
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gtk_snapshot_push_opacity (snapshot, opacity);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_color_matrix_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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const graphene_matrix_t *matrix = gsk_color_matrix_node_get_color_matrix (node);
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const graphene_vec4_t *offset = gsk_color_matrix_node_get_color_offset (node);
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GskRenderNode *child = gsk_color_matrix_node_get_child (node);
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gtk_snapshot_push_color_matrix (snapshot, matrix, offset);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_repeat_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GskRenderNode *child = gsk_repeat_node_get_child (node);
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const graphene_rect_t *child_bounds = gsk_repeat_node_get_child_bounds (node);
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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gtk_snapshot_push_repeat (snapshot, &bounds, child_bounds);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_clip_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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const graphene_rect_t *clip = gsk_clip_node_get_clip (node);
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GskRenderNode *child = gsk_clip_node_get_child (node);
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gtk_snapshot_push_clip (snapshot, clip);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_rounded_clip_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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const GskRoundedRect *bounds = gsk_rounded_clip_node_get_clip (node);
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GskRenderNode *child = gsk_rounded_clip_node_get_child (node);
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gtk_snapshot_push_rounded_clip (snapshot, bounds);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_shadow_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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gsize n_shadows = gsk_shadow_node_get_n_shadows (node);
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/* Hack: we know GskShadowNode stores shadows in a contiguous array. */
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const GskShadow *shadow = gsk_shadow_node_get_shadow (node, 0);
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GskRenderNode *child = gsk_shadow_node_get_child (node);
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gtk_snapshot_push_shadow (snapshot, shadow, n_shadows);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_blend_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GskRenderNode *bottom_child = gsk_blend_node_get_bottom_child (node);
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GskRenderNode *top_child = gsk_blend_node_get_top_child (node);
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GskBlendMode blend_mode = gsk_blend_node_get_blend_mode (node);
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gtk_snapshot_push_blend (snapshot, blend_mode);
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replay_node (bottom_child, snapshot);
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gtk_snapshot_pop (snapshot);
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replay_node (top_child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_cross_fade_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GskRenderNode *start_child = gsk_cross_fade_node_get_start_child (node);
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GskRenderNode *end_child = gsk_cross_fade_node_get_end_child (node);
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float progress = gsk_cross_fade_node_get_progress (node);
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gtk_snapshot_push_cross_fade (snapshot, progress);
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replay_node (start_child, snapshot);
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gtk_snapshot_pop (snapshot);
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replay_node (end_child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_text_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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#if 0
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/* The following does not compile, since gtk_snapshot_append_text () is
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* not exported. */
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PangoFont *font = gsk_text_node_get_font (node);
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PangoGlyphString glyphs;
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guint n_glyphs = 0;
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glyphs.glyphs = (PangoGlyphInfo *) gsk_text_node_get_glyphs (node, &n_glyphs);
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const GdkRGBA *color = gsk_text_node_get_color (node);
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const graphene_point_t *offset = gsk_text_node_get_offset (node);
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glyphs.num_glyphs = n_glyphs;
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glyphs.log_clusters = NULL;
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gtk_snapshot_append_text (snapshot, font, glyphs, color,
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offset->x, offset->y);
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#else
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gtk_snapshot_append_node (snapshot, node);
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#endif
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}
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static void
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replay_blur_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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float radius = gsk_blur_node_get_radius (node);
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GskRenderNode *child = gsk_blur_node_get_child (node);
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gtk_snapshot_push_blur (snapshot, radius);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_debug_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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const char *message = gsk_debug_node_get_message (node);
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GskRenderNode *child = gsk_debug_node_get_child (node);
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gtk_snapshot_push_debug (snapshot, "%s", message);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_gl_shader_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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GskGLShader *shader = gsk_gl_shader_node_get_shader (node);
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GBytes *args = gsk_gl_shader_node_get_args (node);
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gtk_snapshot_push_gl_shader (snapshot, shader, &bounds, g_bytes_ref (args));
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for (guint i = 0; i < gsk_gl_shader_node_get_n_children (node); i++)
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{
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GskRenderNode *child = gsk_gl_shader_node_get_child (node, i);
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replay_node (child, snapshot);
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gtk_snapshot_gl_shader_pop_texture (snapshot);
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}
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_texture_scale_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GdkTexture *texture = gsk_texture_scale_node_get_texture (node);
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GskScalingFilter filter = gsk_texture_scale_node_get_filter (node);
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graphene_rect_t bounds;
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gsk_render_node_get_bounds (node, &bounds);
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gtk_snapshot_append_scaled_texture (snapshot, texture, filter, &bounds);
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}
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static void
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replay_mask_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GskMaskMode mask_mode = gsk_mask_node_get_mask_mode (node);
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GskRenderNode *source = gsk_mask_node_get_source (node);
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GskRenderNode *mask = gsk_mask_node_get_mask (node);
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gtk_snapshot_push_mask (snapshot, mask_mode);
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replay_node (mask, snapshot);
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gtk_snapshot_pop (snapshot);
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replay_node (source, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_fill_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GskPath *path = gsk_fill_node_get_path (node);
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GskFillRule fill_rule = gsk_fill_node_get_fill_rule (node);
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GskRenderNode *child = gsk_fill_node_get_child (node);
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gtk_snapshot_push_fill (snapshot, path, fill_rule);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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static void
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replay_stroke_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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GskPath *path = gsk_stroke_node_get_path (node);
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const GskStroke *stroke = gsk_stroke_node_get_stroke (node);
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GskRenderNode *child = gsk_stroke_node_get_child (node);
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gtk_snapshot_push_stroke (snapshot, path, stroke);
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replay_node (child, snapshot);
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gtk_snapshot_pop (snapshot);
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}
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void
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replay_node (GskRenderNode *node, GtkSnapshot *snapshot)
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{
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switch (gsk_render_node_get_node_type (node))
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{
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case GSK_CONTAINER_NODE:
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replay_container_node (node, snapshot);
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break;
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case GSK_CAIRO_NODE:
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replay_cairo_node (node, snapshot);
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break;
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case GSK_COLOR_NODE:
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replay_color_node (node, snapshot);
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break;
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case GSK_LINEAR_GRADIENT_NODE:
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case GSK_REPEATING_LINEAR_GRADIENT_NODE:
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replay_linear_gradient_node (node, snapshot);
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break;
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case GSK_RADIAL_GRADIENT_NODE:
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case GSK_REPEATING_RADIAL_GRADIENT_NODE:
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replay_radial_gradient_node (node, snapshot);
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break;
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case GSK_CONIC_GRADIENT_NODE:
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replay_conic_gradient_node (node, snapshot);
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break;
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case GSK_BORDER_NODE:
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replay_border_node (node, snapshot);
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break;
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case GSK_TEXTURE_NODE:
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replay_texture_node (node, snapshot);
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break;
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case GSK_INSET_SHADOW_NODE:
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replay_inset_shadow_node (node, snapshot);
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break;
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case GSK_OUTSET_SHADOW_NODE:
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replay_outset_shadow_node (node, snapshot);
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break;
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case GSK_TRANSFORM_NODE:
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replay_transform_node (node, snapshot);
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break;
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case GSK_OPACITY_NODE:
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replay_opacity_node (node, snapshot);
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break;
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case GSK_COLOR_MATRIX_NODE:
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replay_color_matrix_node (node, snapshot);
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break;
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case GSK_REPEAT_NODE:
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replay_repeat_node (node, snapshot);
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break;
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case GSK_CLIP_NODE:
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replay_clip_node (node, snapshot);
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break;
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case GSK_ROUNDED_CLIP_NODE:
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replay_rounded_clip_node (node, snapshot);
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break;
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case GSK_SHADOW_NODE:
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replay_shadow_node (node, snapshot);
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break;
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case GSK_BLEND_NODE:
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replay_blend_node (node, snapshot);
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break;
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case GSK_CROSS_FADE_NODE:
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replay_cross_fade_node (node, snapshot);
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break;
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case GSK_TEXT_NODE:
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replay_text_node (node, snapshot);
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break;
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case GSK_BLUR_NODE:
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replay_blur_node (node, snapshot);
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break;
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case GSK_DEBUG_NODE:
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replay_debug_node (node, snapshot);
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break;
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case GSK_GL_SHADER_NODE:
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replay_gl_shader_node (node, snapshot);
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break;
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case GSK_TEXTURE_SCALE_NODE:
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replay_texture_scale_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_MASK_NODE:
|
|
replay_mask_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_FILL_NODE:
|
|
replay_fill_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_STROKE_NODE:
|
|
replay_stroke_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_SUBSURFACE_NODE:
|
|
case GSK_NOT_A_RENDER_NODE:
|
|
default:
|
|
g_assert (FALSE);
|
|
}
|
|
}
|