mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-10 02:40:11 +00:00
490 lines
15 KiB
C
490 lines
15 KiB
C
#include <gtk/gtk.h>
|
|
|
|
void
|
|
replay_node (GskRenderNode *node, GtkSnapshot *snapshot);
|
|
|
|
static void
|
|
replay_container_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
for (guint i = 0; i < gsk_container_node_get_n_children (node); i++)
|
|
replay_node (gsk_container_node_get_child (node, i), snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_cairo_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
cairo_surface_t *surface = gsk_cairo_node_get_surface (node);
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
|
|
cairo_t *cr = gtk_snapshot_append_cairo (snapshot, &bounds);
|
|
cairo_set_source_surface (cr, surface, 0, 0);
|
|
cairo_paint (cr);
|
|
}
|
|
|
|
static void
|
|
replay_color_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
gtk_snapshot_append_color (snapshot,
|
|
gsk_color_node_get_color (node),
|
|
&bounds);
|
|
}
|
|
|
|
static void
|
|
replay_linear_gradient_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
graphene_rect_t bounds;
|
|
const graphene_point_t *start_point, *end_point;
|
|
const GskColorStop *stops;
|
|
gsize n_stops = 0;
|
|
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
start_point = gsk_linear_gradient_node_get_start (node);
|
|
end_point = gsk_linear_gradient_node_get_end (node);
|
|
stops = gsk_linear_gradient_node_get_color_stops (node, &n_stops);
|
|
|
|
if (gsk_render_node_get_node_type (node) == GSK_REPEATING_LINEAR_GRADIENT_NODE)
|
|
gtk_snapshot_append_repeating_linear_gradient (snapshot, &bounds,
|
|
start_point, end_point,
|
|
stops, n_stops);
|
|
else
|
|
gtk_snapshot_append_linear_gradient (snapshot, &bounds,
|
|
start_point, end_point,
|
|
stops, n_stops);
|
|
}
|
|
|
|
static void
|
|
replay_radial_gradient_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
const graphene_point_t *center = gsk_radial_gradient_node_get_center (node);
|
|
float hradius = gsk_radial_gradient_node_get_hradius (node);
|
|
float vradius = gsk_radial_gradient_node_get_vradius (node);
|
|
float start = gsk_radial_gradient_node_get_start (node);
|
|
float end = gsk_radial_gradient_node_get_end (node);
|
|
gsize n_stops = 0;
|
|
const GskColorStop *stops = gsk_radial_gradient_node_get_color_stops (node,
|
|
&n_stops);
|
|
|
|
if (gsk_render_node_get_node_type (node) == GSK_REPEATING_RADIAL_GRADIENT_NODE)
|
|
gtk_snapshot_append_repeating_radial_gradient (snapshot, &bounds, center,
|
|
hradius, vradius, start, end,
|
|
stops, n_stops);
|
|
else
|
|
gtk_snapshot_append_radial_gradient (snapshot, &bounds, center,
|
|
hradius, vradius, start, end,
|
|
stops, n_stops);
|
|
}
|
|
|
|
static void
|
|
replay_conic_gradient_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
const graphene_point_t *center = gsk_conic_gradient_node_get_center (node);
|
|
float rotation = gsk_conic_gradient_node_get_rotation (node);
|
|
gsize n_stops = 0;
|
|
const GskColorStop *stops = gsk_conic_gradient_node_get_color_stops (node,
|
|
&n_stops);
|
|
|
|
gtk_snapshot_append_conic_gradient (snapshot, &bounds, center,
|
|
rotation, stops, n_stops);
|
|
}
|
|
|
|
static void
|
|
replay_border_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
const GskRoundedRect *outline = gsk_border_node_get_outline (node);
|
|
const float *border_width = gsk_border_node_get_widths (node);
|
|
const GdkRGBA *border_color = gsk_border_node_get_colors (node);
|
|
|
|
gtk_snapshot_append_border (snapshot, outline, border_width, border_color);
|
|
}
|
|
|
|
static void
|
|
replay_texture_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GdkTexture *texture = gsk_texture_node_get_texture (node);
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
|
|
gtk_snapshot_append_texture (snapshot, texture, &bounds);
|
|
}
|
|
|
|
static void
|
|
replay_inset_shadow_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
const GskRoundedRect *outline = gsk_inset_shadow_node_get_outline (node);
|
|
const GdkRGBA *color = gsk_inset_shadow_node_get_color (node);
|
|
float dx = gsk_inset_shadow_node_get_dx (node);
|
|
float dy = gsk_inset_shadow_node_get_dy (node);
|
|
float spread = gsk_inset_shadow_node_get_spread (node);
|
|
float blur_radius = gsk_inset_shadow_node_get_blur_radius (node);
|
|
|
|
gtk_snapshot_append_inset_shadow (snapshot, outline, color,
|
|
dx, dy, spread, blur_radius);
|
|
}
|
|
|
|
static void
|
|
replay_outset_shadow_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
const GskRoundedRect *outline = gsk_outset_shadow_node_get_outline (node);
|
|
const GdkRGBA *color = gsk_outset_shadow_node_get_color (node);
|
|
float dx = gsk_outset_shadow_node_get_dx (node);
|
|
float dy = gsk_outset_shadow_node_get_dy (node);
|
|
float spread = gsk_outset_shadow_node_get_spread (node);
|
|
float blur_radius = gsk_outset_shadow_node_get_blur_radius (node);
|
|
|
|
gtk_snapshot_append_outset_shadow (snapshot, outline, color,
|
|
dx, dy, spread, blur_radius);
|
|
}
|
|
|
|
static void
|
|
replay_transform_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GskTransform *transform = gsk_transform_node_get_transform (node);
|
|
GskRenderNode *child = gsk_transform_node_get_child (node);
|
|
|
|
gtk_snapshot_save (snapshot);
|
|
gtk_snapshot_transform (snapshot, transform);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_restore (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_opacity_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
float opacity = gsk_opacity_node_get_opacity (node);
|
|
GskRenderNode *child = gsk_opacity_node_get_child (node);
|
|
|
|
gtk_snapshot_push_opacity (snapshot, opacity);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_color_matrix_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
const graphene_matrix_t *matrix = gsk_color_matrix_node_get_color_matrix (node);
|
|
const graphene_vec4_t *offset = gsk_color_matrix_node_get_color_offset (node);
|
|
GskRenderNode *child = gsk_color_matrix_node_get_child (node);
|
|
|
|
gtk_snapshot_push_color_matrix (snapshot, matrix, offset);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_repeat_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GskRenderNode *child = gsk_repeat_node_get_child (node);
|
|
const graphene_rect_t *child_bounds = gsk_repeat_node_get_child_bounds (node);
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
|
|
gtk_snapshot_push_repeat (snapshot, &bounds, child_bounds);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_clip_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
const graphene_rect_t *clip = gsk_clip_node_get_clip (node);
|
|
GskRenderNode *child = gsk_clip_node_get_child (node);
|
|
|
|
gtk_snapshot_push_clip (snapshot, clip);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_rounded_clip_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
const GskRoundedRect *bounds = gsk_rounded_clip_node_get_clip (node);
|
|
GskRenderNode *child = gsk_rounded_clip_node_get_child (node);
|
|
|
|
gtk_snapshot_push_rounded_clip (snapshot, bounds);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_shadow_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
gsize n_shadows = gsk_shadow_node_get_n_shadows (node);
|
|
/* Hack: we know GskShadowNode stores shadows in a contiguous array. */
|
|
const GskShadow *shadow = gsk_shadow_node_get_shadow (node, 0);
|
|
GskRenderNode *child = gsk_shadow_node_get_child (node);
|
|
|
|
gtk_snapshot_push_shadow (snapshot, shadow, n_shadows);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_blend_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GskRenderNode *bottom_child = gsk_blend_node_get_bottom_child (node);
|
|
GskRenderNode *top_child = gsk_blend_node_get_top_child (node);
|
|
GskBlendMode blend_mode = gsk_blend_node_get_blend_mode (node);
|
|
|
|
gtk_snapshot_push_blend (snapshot, blend_mode);
|
|
replay_node (bottom_child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
replay_node (top_child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_cross_fade_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GskRenderNode *start_child = gsk_cross_fade_node_get_start_child (node);
|
|
GskRenderNode *end_child = gsk_cross_fade_node_get_end_child (node);
|
|
float progress = gsk_cross_fade_node_get_progress (node);
|
|
|
|
gtk_snapshot_push_cross_fade (snapshot, progress);
|
|
replay_node (start_child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
replay_node (end_child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_text_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
#if 0
|
|
/* The following does not compile, since gtk_snapshot_append_text () is
|
|
* not exported. */
|
|
|
|
PangoFont *font = gsk_text_node_get_font (node);
|
|
PangoGlyphString glyphs;
|
|
guint n_glyphs = 0;
|
|
glyphs.glyphs = (PangoGlyphInfo *) gsk_text_node_get_glyphs (node, &n_glyphs);
|
|
const GdkRGBA *color = gsk_text_node_get_color (node);
|
|
const graphene_point_t *offset = gsk_text_node_get_offset (node);
|
|
|
|
glyphs.num_glyphs = n_glyphs;
|
|
glyphs.log_clusters = NULL;
|
|
|
|
gtk_snapshot_append_text (snapshot, font, glyphs, color,
|
|
offset->x, offset->y);
|
|
#else
|
|
gtk_snapshot_append_node (snapshot, node);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
replay_blur_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
float radius = gsk_blur_node_get_radius (node);
|
|
GskRenderNode *child = gsk_blur_node_get_child (node);
|
|
|
|
gtk_snapshot_push_blur (snapshot, radius);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_debug_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
const char *message = gsk_debug_node_get_message (node);
|
|
GskRenderNode *child = gsk_debug_node_get_child (node);
|
|
|
|
gtk_snapshot_push_debug (snapshot, "%s", message);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_gl_shader_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
GskGLShader *shader = gsk_gl_shader_node_get_shader (node);
|
|
GBytes *args = gsk_gl_shader_node_get_args (node);
|
|
|
|
gtk_snapshot_push_gl_shader (snapshot, shader, &bounds, g_bytes_ref (args));
|
|
for (guint i = 0; i < gsk_gl_shader_node_get_n_children (node); i++)
|
|
{
|
|
GskRenderNode *child = gsk_gl_shader_node_get_child (node, i);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_gl_shader_pop_texture (snapshot);
|
|
}
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_texture_scale_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GdkTexture *texture = gsk_texture_scale_node_get_texture (node);
|
|
GskScalingFilter filter = gsk_texture_scale_node_get_filter (node);
|
|
graphene_rect_t bounds;
|
|
gsk_render_node_get_bounds (node, &bounds);
|
|
|
|
gtk_snapshot_append_scaled_texture (snapshot, texture, filter, &bounds);
|
|
}
|
|
|
|
static void
|
|
replay_mask_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GskMaskMode mask_mode = gsk_mask_node_get_mask_mode (node);
|
|
GskRenderNode *source = gsk_mask_node_get_source (node);
|
|
GskRenderNode *mask = gsk_mask_node_get_mask (node);
|
|
|
|
gtk_snapshot_push_mask (snapshot, mask_mode);
|
|
replay_node (mask, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
replay_node (source, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_fill_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GskPath *path = gsk_fill_node_get_path (node);
|
|
GskFillRule fill_rule = gsk_fill_node_get_fill_rule (node);
|
|
GskRenderNode *child = gsk_fill_node_get_child (node);
|
|
|
|
gtk_snapshot_push_fill (snapshot, path, fill_rule);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
static void
|
|
replay_stroke_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
GskPath *path = gsk_stroke_node_get_path (node);
|
|
const GskStroke *stroke = gsk_stroke_node_get_stroke (node);
|
|
GskRenderNode *child = gsk_stroke_node_get_child (node);
|
|
|
|
gtk_snapshot_push_stroke (snapshot, path, stroke);
|
|
replay_node (child, snapshot);
|
|
gtk_snapshot_pop (snapshot);
|
|
}
|
|
|
|
void
|
|
replay_node (GskRenderNode *node, GtkSnapshot *snapshot)
|
|
{
|
|
switch (gsk_render_node_get_node_type (node))
|
|
{
|
|
case GSK_CONTAINER_NODE:
|
|
replay_container_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_CAIRO_NODE:
|
|
replay_cairo_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_COLOR_NODE:
|
|
replay_color_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_LINEAR_GRADIENT_NODE:
|
|
case GSK_REPEATING_LINEAR_GRADIENT_NODE:
|
|
replay_linear_gradient_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_RADIAL_GRADIENT_NODE:
|
|
case GSK_REPEATING_RADIAL_GRADIENT_NODE:
|
|
replay_radial_gradient_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_CONIC_GRADIENT_NODE:
|
|
replay_conic_gradient_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_BORDER_NODE:
|
|
replay_border_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_TEXTURE_NODE:
|
|
replay_texture_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_INSET_SHADOW_NODE:
|
|
replay_inset_shadow_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_OUTSET_SHADOW_NODE:
|
|
replay_outset_shadow_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_TRANSFORM_NODE:
|
|
replay_transform_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_OPACITY_NODE:
|
|
replay_opacity_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_COLOR_MATRIX_NODE:
|
|
replay_color_matrix_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_REPEAT_NODE:
|
|
replay_repeat_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_CLIP_NODE:
|
|
replay_clip_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_ROUNDED_CLIP_NODE:
|
|
replay_rounded_clip_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_SHADOW_NODE:
|
|
replay_shadow_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_BLEND_NODE:
|
|
replay_blend_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_CROSS_FADE_NODE:
|
|
replay_cross_fade_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_TEXT_NODE:
|
|
replay_text_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_BLUR_NODE:
|
|
replay_blur_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_DEBUG_NODE:
|
|
replay_debug_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_GL_SHADER_NODE:
|
|
replay_gl_shader_node (node, snapshot);
|
|
break;
|
|
|
|
case GSK_TEXTURE_SCALE_NODE:
|
|
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);
|
|
}
|
|
}
|