[gtk/wip/baedert/nodeeditor: 3/23] Parse render nodes from text files
- From: Timm Bäder <baedert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/baedert/nodeeditor: 3/23] Parse render nodes from text files
- Date: Fri, 26 Apr 2019 05:48:48 +0000 (UTC)
commit b6ec0081d282bc488793bfdc17015aeca4be8604
Author: Timm Bäder <mail baedert org>
Date: Sat Mar 2 16:55:17 2019 +0100
Parse render nodes from text files
gsk/gskrendernode.c | 44 +-
gsk/gskrendernodeparser.c | 1842 ++++++++++++++++++++++++++++++++++++++
gsk/gskrendernodeparserprivate.h | 11 +
gsk/gsktransform.c | 2 +
gsk/meson.build | 1 +
gtk/gtkcssprovider.h | 23 +
6 files changed, 1884 insertions(+), 39 deletions(-)
---
diff --git a/gsk/gskrendernode.c b/gsk/gskrendernode.c
index 343fd4b8ce..5f30c70b05 100644
--- a/gsk/gskrendernode.c
+++ b/gsk/gskrendernode.c
@@ -42,6 +42,7 @@
#include "gskdebugprivate.h"
#include "gskrendererprivate.h"
+#include "gskrendernodeparserprivate.h"
#include <graphene-gobject.h>
@@ -328,19 +329,11 @@ gsk_render_node_diff (GskRenderNode *node1,
GBytes *
gsk_render_node_serialize (GskRenderNode *node)
{
- GVariant *node_variant, *variant;
GBytes *result;
+ char *str;
- node_variant = gsk_render_node_serialize_node (node);
-
- variant = g_variant_new ("(suuv)",
- GSK_RENDER_NODE_SERIALIZATION_ID,
- (guint32) GSK_RENDER_NODE_SERIALIZATION_VERSION,
- (guint32) gsk_render_node_get_node_type (node),
- node_variant);
-
- result = g_variant_get_data_as_bytes (variant);
- g_variant_unref (variant);
+ str = gsk_render_node_serialize_to_string (node);
+ result = g_bytes_new_take (str, strlen (str));
return result;
}
@@ -397,36 +390,9 @@ GskRenderNode *
gsk_render_node_deserialize (GBytes *bytes,
GError **error)
{
- char *id_string;
- guint32 version, node_type;
- GVariant *variant, *node_variant;
GskRenderNode *node = NULL;
- variant = g_variant_new_from_bytes (G_VARIANT_TYPE ("(suuv)"), bytes, FALSE);
-
- g_variant_get (variant, "(suuv)", &id_string, &version, &node_type, &node_variant);
-
- if (!g_str_equal (id_string, GSK_RENDER_NODE_SERIALIZATION_ID))
- {
- g_set_error (error, GSK_SERIALIZATION_ERROR, GSK_SERIALIZATION_UNSUPPORTED_FORMAT,
- "Data not in GskRenderNode serialization format.");
- goto out;
- }
-
- if (version != GSK_RENDER_NODE_SERIALIZATION_VERSION)
- {
- g_set_error (error, GSK_SERIALIZATION_ERROR, GSK_SERIALIZATION_UNSUPPORTED_VERSION,
- "Format version %u not supported.", version);
- goto out;
- }
-
- node = gsk_render_node_deserialize_node (node_type, node_variant, error);
-
-out:
- g_free (id_string);
- g_variant_unref (node_variant);
- g_variant_unref (variant);
+ node = gsk_render_node_deserialize_from_bytes (bytes, error);
return node;
}
-
diff --git a/gsk/gskrendernodeparser.c b/gsk/gskrendernodeparser.c
new file mode 100644
index 0000000000..d32294edab
--- /dev/null
+++ b/gsk/gskrendernodeparser.c
@@ -0,0 +1,1842 @@
+
+#include "gskrendernodeparserprivate.h"
+
+#include <gtk/css/gtkcss.h>
+#include "gtk/css/gtkcssparserprivate.h"
+#include "gskroundedrectprivate.h"
+#include "gskrendernodeprivate.h"
+#include "gsktransformprivate.h"
+
+typedef struct _Declaration Declaration;
+
+struct _Declaration
+{
+ const char *name;
+ gboolean (* parse_func) (GtkCssParser *parser, gpointer result);
+ gpointer result;
+};
+
+static gboolean
+parse_color_channel_value (GtkCssParser *parser,
+ double *value,
+ gboolean is_percentage)
+{
+ if (is_percentage)
+ {
+ if (!gtk_css_parser_consume_percentage (parser, value))
+ return FALSE;
+
+ *value = CLAMP (*value, 0.0, 100.0) / 100.0;
+ return TRUE;
+ }
+ else
+ {
+ if (!gtk_css_parser_consume_number (parser, value))
+ return FALSE;
+
+ *value = CLAMP (*value, 0.0, 255.0) / 255.0;
+ return TRUE;
+ }
+}
+
+static guint
+parse_color_channel (GtkCssParser *parser,
+ guint arg,
+ gpointer data)
+{
+ GdkRGBA *rgba = data;
+
+ if (arg == 0)
+ {
+ /* We abuse rgba->alpha to store if we use percentages or numbers */
+ if (gtk_css_token_is (gtk_css_parser_get_token (parser), GTK_CSS_TOKEN_PERCENTAGE))
+ rgba->alpha = 1.0;
+ else
+ rgba->alpha = 0.0;
+
+ if (!parse_color_channel_value (parser, &rgba->red, rgba->alpha != 0.0))
+ return 0;
+ }
+ else if (arg == 1)
+ {
+ if (!parse_color_channel_value (parser, &rgba->green, rgba->alpha != 0.0))
+ return 0;
+ }
+ else if (arg == 2)
+ {
+ if (!parse_color_channel_value (parser, &rgba->blue, rgba->alpha != 0.0))
+ return 0;
+ }
+ else if (arg == 3)
+ {
+ if (!gtk_css_parser_consume_number (parser, &rgba->alpha))
+ return FALSE;
+
+ rgba->alpha = CLAMP (rgba->alpha, 0.0, 1.0);
+ }
+ else
+ {
+ g_assert_not_reached ();
+ }
+
+ return 1;
+}
+
+static gboolean
+rgba_init_chars (GdkRGBA *rgba,
+ const char s[8])
+{
+ guint i;
+
+ for (i = 0; i < 8; i++)
+ {
+ if (!g_ascii_isxdigit (s[i]))
+ return FALSE;
+ }
+
+ rgba->red = (g_ascii_xdigit_value (s[0]) * 16 + g_ascii_xdigit_value (s[1])) / 255.0;
+ rgba->green = (g_ascii_xdigit_value (s[2]) * 16 + g_ascii_xdigit_value (s[3])) / 255.0;
+ rgba->blue = (g_ascii_xdigit_value (s[4]) * 16 + g_ascii_xdigit_value (s[5])) / 255.0;
+ rgba->alpha = (g_ascii_xdigit_value (s[6]) * 16 + g_ascii_xdigit_value (s[7])) / 255.0;
+
+ return TRUE;
+}
+
+static gboolean
+gsk_rgba_parse (GtkCssParser *parser,
+ GdkRGBA *rgba)
+{
+ const GtkCssToken *token;
+
+ token = gtk_css_parser_get_token (parser);
+ if (gtk_css_token_is_function (token, "rgb"))
+ {
+ if (!gtk_css_parser_consume_function (parser, 3, 3, parse_color_channel, rgba))
+ return FALSE;
+
+ rgba->alpha = 1.0;
+ return TRUE;
+ }
+ else if (gtk_css_token_is_function (token, "rgba"))
+ {
+ return gtk_css_parser_consume_function (parser, 4, 4, parse_color_channel, rgba);
+ }
+ else if (gtk_css_token_is (token, GTK_CSS_TOKEN_HASH_ID) ||
+ gtk_css_token_is (token, GTK_CSS_TOKEN_HASH_UNRESTRICTED))
+ {
+ const char *s = token->string.string;
+
+ switch (strlen (s))
+ {
+ case 3:
+ if (rgba_init_chars (rgba, (char[8]) {s[0], s[0], s[1], s[1], s[2], s[2], 'F', 'F' }))
+ return TRUE;
+ break;
+
+ case 4:
+ if (rgba_init_chars (rgba, (char[8]) {s[0], s[0], s[1], s[1], s[2], s[2], s[3], s[3] }))
+ return TRUE;
+ break;
+
+ case 6:
+ if (rgba_init_chars (rgba, (char[8]) {s[0], s[1], s[2], s[3], s[4], s[5], 'F', 'F' }))
+ return TRUE;
+ break;
+
+ case 8:
+ if (rgba_init_chars (rgba, s))
+ return TRUE;
+ break;
+
+ default:
+ break;
+ }
+
+ gtk_css_parser_error_value (parser, "Hash code is not a valid hex color.");
+ return FALSE;
+ }
+ else if (gtk_css_token_is (token, GTK_CSS_TOKEN_IDENT))
+ {
+ if (gtk_css_token_is_ident (token, "transparent"))
+ {
+ rgba = &(GdkRGBA) { 0, 0, 0, 0 };
+ }
+ else if (gdk_rgba_parse (rgba, token->string.string))
+ {
+ /* everything's fine */
+ }
+ else
+ {
+ gtk_css_parser_error_value (parser, "\"%s\" is not a known color name.", token->string.string);
+ return FALSE;
+ }
+
+ gtk_css_parser_consume_token (parser);
+ return TRUE;
+ }
+ else
+ {
+ gtk_css_parser_error_syntax (parser, "Expected a valid color.");
+ return FALSE;
+ }
+}
+
+static gboolean
+parse_semicolon (GtkCssParser *parser)
+{
+ const GtkCssToken *token;
+
+ token = gtk_css_parser_get_token (parser);
+ if (gtk_css_token_is (token, GTK_CSS_TOKEN_EOF))
+ {
+ gtk_css_parser_warn_syntax (parser, "No ';' at end of block");
+ return TRUE;
+ }
+ else if (!gtk_css_token_is (token, GTK_CSS_TOKEN_SEMICOLON))
+ {
+ gtk_css_parser_error_syntax (parser, "Expected ';' at end of statement");
+ return FALSE;
+ }
+
+ gtk_css_parser_consume_token (parser);
+ return TRUE;
+}
+
+static gboolean
+parse_rect_without_semicolon (GtkCssParser *parser,
+ graphene_rect_t *out_rect)
+{
+ double numbers[4];
+
+ if (!gtk_css_parser_consume_number (parser, &numbers[0]) ||
+ !gtk_css_parser_consume_number (parser, &numbers[1]) ||
+ !gtk_css_parser_consume_number (parser, &numbers[2]) ||
+ !gtk_css_parser_consume_number (parser, &numbers[3]))
+ return FALSE;
+
+ graphene_rect_init (out_rect, numbers[0], numbers[1], numbers[2], numbers[3]);
+
+ return TRUE;
+}
+
+static gboolean
+parse_rect (GtkCssParser *parser,
+ gpointer out_rect)
+{
+ graphene_rect_t r;
+
+ if (!parse_rect_without_semicolon (parser, &r) ||
+ !parse_semicolon (parser))
+ return FALSE;
+
+ graphene_rect_init_from_rect (out_rect, &r);
+ return TRUE;
+}
+
+static gboolean
+parse_data (GtkCssParser *parser,
+ gpointer out_data)
+{
+ const GtkCssToken *token;
+ struct {
+ guchar *data;
+ gsize data_len;
+ } *texture_data = out_data;
+
+ token = gtk_css_parser_get_token (parser);
+ if (!gtk_css_token_is (token, GTK_CSS_TOKEN_STRING))
+ return FALSE;
+
+ if (!g_str_has_prefix (token->string.string, "data:;base64,")) {
+ g_error ("Meh23");
+ return FALSE;
+ }
+
+ texture_data->data = g_base64_decode (token->string.string + strlen ("data:;base64,"),
+ &texture_data->data_len);
+
+ gtk_css_parser_consume_token (parser);
+ if (!parse_semicolon (parser))
+ {
+ g_error ("MEH");
+ g_free (texture_data->data);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+parse_rounded_rect (GtkCssParser *parser,
+ gpointer out_rect)
+{
+ const GtkCssToken *token;
+ graphene_rect_t r;
+ graphene_size_t corners[4];
+ double d;
+ guint i;
+
+ if (!parse_rect_without_semicolon (parser, &r))
+ return FALSE;
+
+ token = gtk_css_parser_get_token (parser);
+ if (!gtk_css_token_is_delim (token, '/'))
+ {
+ if (!parse_semicolon (parser))
+ return FALSE;
+ gsk_rounded_rect_init_from_rect (out_rect, &r, 0);
+ return TRUE;
+ }
+ gtk_css_parser_consume_token (parser);
+
+ for (i = 0; i < 4; i++)
+ {
+ token = gtk_css_parser_get_token (parser);
+ if (gtk_css_token_is (token, GTK_CSS_TOKEN_SEMICOLON) ||
+ gtk_css_token_is (token, GTK_CSS_TOKEN_EOF))
+ break;
+ if (!gtk_css_parser_consume_number (parser, &d))
+ return FALSE;
+ corners[i].width = d;
+ }
+
+ if (i == 0)
+ {
+ gtk_css_parser_error_syntax (parser, "Expected a number");
+ return FALSE;
+ }
+
+ /* The magic (i - 1) >> 1 below makes it take the correct value
+ * according to spec. Feel free to check the 4 cases
+ */
+ for (; i < 4; i++)
+ corners[i].width = corners[(i - 1) >> 1].width;
+
+ token = gtk_css_parser_get_token (parser);
+ if (gtk_css_token_is_delim (token, '/'))
+ {
+ gtk_css_parser_consume_token (parser);
+
+ for (i = 0; i < 4; i++)
+ {
+ token = gtk_css_parser_get_token (parser);
+ if (gtk_css_token_is (token, GTK_CSS_TOKEN_SEMICOLON) ||
+ gtk_css_token_is (token, GTK_CSS_TOKEN_EOF))
+ break;
+ if (!gtk_css_parser_consume_number (parser, &d))
+ return FALSE;
+ corners[i].height = d;
+ }
+
+ if (i == 0)
+ {
+ gtk_css_parser_error_syntax (parser, "Expected a number");
+ return FALSE;
+ }
+
+ for (; i < 4; i++)
+ corners[i].height = corners[(i - 1) >> 1].height;
+ }
+ else
+ {
+ for (i = 0; i < 4; i++)
+ corners[i].height = corners[i].width;
+ }
+
+ if (!parse_semicolon (parser))
+ return FALSE;
+
+ gsk_rounded_rect_init (out_rect, &r, &corners[0], &corners[1], &corners[2], &corners[3]);
+
+ return TRUE;
+}
+
+static gboolean
+parse_color (GtkCssParser *parser,
+ gpointer out_color)
+{
+ GdkRGBA color;
+
+ if (!gsk_rgba_parse (parser, &color) ||
+ !parse_semicolon (parser))
+ return FALSE;
+
+ *(GdkRGBA *) out_color = color;
+
+ return TRUE;
+}
+
+static gboolean
+parse_double (GtkCssParser *parser,
+ gpointer out_double)
+{
+ double d;
+
+ if (!gtk_css_parser_consume_number (parser, &d) ||
+ !parse_semicolon (parser))
+ return FALSE;
+
+ *(double *) out_double = d;
+
+ return TRUE;
+}
+
+static gboolean
+parse_point (GtkCssParser *parser,
+ gpointer out_point)
+{
+ double x, y;
+
+ if (!gtk_css_parser_consume_number (parser, &x) ||
+ !gtk_css_parser_consume_number (parser, &y) ||
+ !parse_semicolon (parser))
+ return FALSE;
+
+ graphene_point_init (out_point, x, y);
+
+ return TRUE;
+}
+
+static gboolean
+parse_transform (GtkCssParser *parser,
+ gpointer out_transform)
+{
+ GskTransform *transform;
+
+ if (!gsk_transform_parser_parse (parser, &transform) ||
+ !parse_semicolon (parser))
+ {
+ gsk_transform_unref (transform);
+ return FALSE;
+ }
+
+ gsk_transform_unref (*(GskTransform **) out_transform);
+ *(GskTransform **) out_transform = transform;
+
+ return TRUE;
+}
+
+static gboolean
+parse_string (GtkCssParser *parser,
+ gpointer out_string)
+{
+ const GtkCssToken *token;
+ char *s;
+
+ token = gtk_css_parser_get_token (parser);
+ if (!gtk_css_token_is (token, GTK_CSS_TOKEN_STRING))
+ return FALSE;
+
+ s = g_strdup (token->string.string);
+ gtk_css_parser_consume_token (parser);
+
+ if (!parse_semicolon (parser))
+ {
+ g_free (s);
+ return FALSE;
+ }
+
+ g_free (*(char **) out_string);
+ *(char **) out_string = s;
+
+ return TRUE;
+}
+
+static gboolean
+parse_stops (GtkCssParser *parser,
+ gpointer out_stops)
+{
+ GArray *stops;
+ GskColorStop stop;
+
+ stops = g_array_new (FALSE, FALSE, sizeof (GskColorStop));
+
+ for (;;)
+ {
+ if (!gtk_css_parser_consume_number (parser, &stop.offset))
+ goto error;
+
+ if (!gsk_rgba_parse (parser, &stop.color))
+ goto error;
+
+ if (stops->len == 0 && stop.offset < 0)
+ gtk_css_parser_error_value (parser, "Color stop offset must be >= 0");
+ else if (stops->len > 0 && stop.offset < g_array_index (stops, GskColorStop, stops->len - 1).offset)
+ gtk_css_parser_error_value (parser, "Color stop offset must be >= previous value");
+ else if (stop.offset > 1)
+ gtk_css_parser_error_value (parser, "Color stop offset must be <= 1");
+ else
+ g_array_append_val (stops, stop);
+
+ if (gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_COMMA))
+ gtk_css_parser_skip (parser);
+ else
+ break;
+ }
+
+ if (stops->len < 2)
+ {
+ gtk_css_parser_error_value (parser, "At least 2 color stops need to be specified");
+ g_array_free (stops, TRUE);
+ return FALSE;
+ }
+
+ if (*(GArray **) out_stops)
+ g_array_free (*(GArray **) out_stops, TRUE);
+ *(GArray **) out_stops = stops;
+
+ return parse_semicolon (parser);
+
+error:
+ g_array_free (stops, TRUE);
+ return FALSE;
+}
+
+static gboolean
+parse_colors4 (GtkCssParser *parser,
+ gpointer out_colors)
+{
+ GdkRGBA *colors = (GdkRGBA *)out_colors;
+ int i;
+
+ for (i = 0; i < 4; i ++)
+ {
+ if (!gsk_rgba_parse (parser, &colors[i]))
+ return FALSE;
+ }
+
+ return parse_semicolon (parser);
+}
+
+static gboolean
+parse_shadows (GtkCssParser *parser,
+ gpointer out_shadows)
+{
+ GArray *shadows = out_shadows;
+
+ for (;;)
+ {
+ GskShadow shadow = { {0, 0, 0, 1}, 0, 0, 0 };
+ double dx = 0, dy = 0, radius = 0;
+
+ if (!gsk_rgba_parse (parser, &shadow.color))
+ gtk_css_parser_error_value (parser, "Expected shadow color");
+
+ if (!gtk_css_parser_consume_number (parser, &dx))
+ gtk_css_parser_error_value (parser, "Expected shadow x offset");
+
+ if (!gtk_css_parser_consume_number (parser, &dy))
+ gtk_css_parser_error_value (parser, "Expected shadow x offset");
+
+ if (!gtk_css_parser_consume_number (parser, &radius))
+ gtk_css_parser_error_value (parser, "Expected shadow blur radius");
+
+ shadow.dx = dx;
+ shadow.dy = dy;
+ shadow.radius = radius;
+
+ g_array_append_val (shadows, shadow);
+
+ if (gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_COMMA))
+ gtk_css_parser_skip (parser);
+ else
+ break;
+ }
+
+ return parse_semicolon (parser);
+}
+
+static gboolean
+parse_font (GtkCssParser *parser,
+ gpointer out_font)
+{
+ return FALSE;
+}
+
+static gboolean
+parse_node (GtkCssParser *parser, gpointer out_node);
+
+static GskRenderNode *
+parse_container_node (GtkCssParser *parser)
+{
+ GskRenderNode *node;
+ GPtrArray *nodes;
+ const GtkCssToken *token;
+
+ nodes = g_ptr_array_new_with_free_func ((GDestroyNotify) gsk_render_node_unref);
+
+ for (token = gtk_css_parser_get_token (parser);
+ !gtk_css_token_is (token, GTK_CSS_TOKEN_EOF);
+ token = gtk_css_parser_get_token (parser))
+ {
+ node = NULL;
+ if (parse_node (parser, &node))
+ {
+ g_ptr_array_add (nodes, node);
+ }
+ else
+ {
+ gtk_css_parser_skip_until (parser, GTK_CSS_TOKEN_OPEN_CURLY);
+ gtk_css_parser_skip (parser);
+ }
+ }
+
+ node = gsk_container_node_new ((GskRenderNode **) nodes->pdata, nodes->len);
+
+ g_ptr_array_unref (nodes);
+
+ return node;
+}
+
+static void
+parse_declarations_sync (GtkCssParser *parser)
+{
+ const GtkCssToken *token;
+
+ for (token = gtk_css_parser_get_token (parser);
+ !gtk_css_token_is (token, GTK_CSS_TOKEN_EOF);
+ token = gtk_css_parser_get_token (parser))
+ {
+ if (gtk_css_token_is (token, GTK_CSS_TOKEN_SEMICOLON) ||
+ gtk_css_token_is (token, GTK_CSS_TOKEN_OPEN_CURLY))
+ {
+ gtk_css_parser_skip (parser);
+ break;
+ }
+ gtk_css_parser_skip (parser);
+ }
+}
+
+static guint
+parse_declarations (GtkCssParser *parser,
+ const Declaration *declarations,
+ guint n_declarations)
+{
+ guint parsed = 0;
+ guint i;
+ const GtkCssToken *token;
+
+ g_assert (n_declarations < 8 * sizeof (guint));
+
+ for (token = gtk_css_parser_get_token (parser);
+ !gtk_css_token_is (token, GTK_CSS_TOKEN_EOF);
+ token = gtk_css_parser_get_token (parser))
+ {
+ for (i = 0; i < n_declarations; i++)
+ {
+ if (gtk_css_token_is_ident (token, declarations[i].name))
+ {
+ gtk_css_parser_consume_token (parser);
+ token = gtk_css_parser_get_token (parser);
+ if (!gtk_css_token_is (token, GTK_CSS_TOKEN_COLON))
+ {
+ gtk_css_parser_error_syntax (parser, "Expected ':' after variable declaration");
+ parse_declarations_sync (parser);
+ }
+ else
+ {
+ gtk_css_parser_consume_token (parser);
+ if (parsed & (1 << i))
+ gtk_css_parser_warn_syntax (parser, "Variable \"%s\" defined multiple times",
declarations[i].name);
+ if (declarations[i].parse_func (parser, declarations[i].result))
+ parsed |= (1 << i);
+ else
+ parse_declarations_sync (parser);
+ }
+ break;
+ }
+ }
+ if (i == n_declarations)
+ {
+ if (gtk_css_token_is (token, GTK_CSS_TOKEN_IDENT))
+ gtk_css_parser_error_syntax (parser, "No variable named \"%s\"", token->string.string);
+ else
+ gtk_css_parser_error_syntax (parser, "Expected a variable name");
+ parse_declarations_sync (parser);
+ }
+ }
+
+ return parsed;
+}
+
+static GskRenderNode *
+parse_color_node (GtkCssParser *parser)
+{
+ graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 0, 0);
+ GdkRGBA color = { 0, 0, 0, 1 };
+ const Declaration declarations[] = {
+ { "bounds", parse_rect, &bounds },
+ { "color", parse_color, &color },
+ };
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+
+ return gsk_color_node_new (&color, &bounds);
+}
+
+static GskRenderNode *
+parse_linear_gradient_node (GtkCssParser *parser)
+{
+ graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 0, 0);
+ graphene_point_t start = GRAPHENE_POINT_INIT (0, 0);
+ graphene_point_t end = GRAPHENE_POINT_INIT (0, 0);
+ GArray *stops = NULL;
+ const Declaration declarations[] = {
+ { "bounds", parse_rect, &bounds },
+ { "start", parse_point, &start },
+ { "end", parse_point, &end },
+ { "stops", parse_stops, &stops },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (stops == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "No color stops given");
+ return NULL;
+ }
+
+ result = gsk_linear_gradient_node_new (&bounds, &start, &end, (GskColorStop *) stops->data, stops->len);
+
+ g_array_free (stops, TRUE);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_inset_shadow_node (GtkCssParser *parser)
+{
+ GskRoundedRect outline = GSK_ROUNDED_RECT_INIT (0, 0, 0, 0);
+ GdkRGBA color = { 0, 0, 0, 0 };
+ double dx, dy, blur, spread;
+ const Declaration declarations[] = {
+ { "outline", parse_rounded_rect, &outline },
+ { "color", parse_color, &color },
+ { "dx", parse_double, &dx },
+ { "dy", parse_double, &dy },
+ { "spread", parse_double, &spread },
+ { "blur", parse_double, &blur }
+ };
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+
+ return gsk_inset_shadow_node_new (&outline, &color, dx, dy, spread, blur);
+}
+
+static GskRenderNode *
+parse_border_node (GtkCssParser *parser)
+{
+ GskRoundedRect outline = GSK_ROUNDED_RECT_INIT (0, 0, 0, 0);
+ graphene_rect_t widths = GRAPHENE_RECT_INIT (0, 0, 0, 0);
+ GdkRGBA colors[4] = { { 0, 0, 0, 0 }, {0, 0, 0, 0}, {0, 0, 0, 0}, { 0, 0, 0, 0 } };
+ const Declaration declarations[] = {
+ { "outline", parse_rounded_rect, &outline },
+ { "widths", parse_rect, &widths },
+ { "colors", parse_colors4, &colors }
+ };
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+
+ return gsk_border_node_new (&outline, (float*)&widths, colors);
+}
+
+static GskRenderNode *
+parse_texture_node (GtkCssParser *parser)
+{
+ graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 0, 0);
+ struct {
+ guchar *data;
+ gsize data_len;
+ } texture_data = { NULL, 0 };
+ double width = 0.0;
+ double height = 0.0;
+ const Declaration declarations[] = {
+ { "bounds", parse_rect, &bounds },
+ { "width", parse_double, &width },
+ { "height", parse_double, &height },
+ { "texture", parse_data, &texture_data }
+ };
+ GdkTexture *texture;
+ GdkPixbuf *pixbuf;
+ GskRenderNode *node;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+
+ pixbuf = gdk_pixbuf_new_from_data (texture_data.data,
+ GDK_COLORSPACE_RGB,
+ TRUE,
+ 8,
+ (int)width,
+ (int)height,
+ 4 * (int)width,
+ NULL, NULL);
+
+ texture = gdk_texture_new_for_pixbuf (pixbuf);
+ g_object_unref (pixbuf);
+ node = gsk_texture_node_new (texture, &bounds);
+ g_object_unref (texture);
+
+ return node;
+}
+
+static GskRenderNode *
+parse_outset_shadow_node (GtkCssParser *parser)
+{
+ GskRoundedRect outline = GSK_ROUNDED_RECT_INIT (0, 0, 0, 0);
+ GdkRGBA color = { 0, 0, 0, 0 };
+ double dx, dy, blur, spread;
+ const Declaration declarations[] = {
+ { "outline", parse_rounded_rect, &outline },
+ { "color", parse_color, &color },
+ { "dx", parse_double, &dx },
+ { "dy", parse_double, &dy },
+ { "spread", parse_double, &spread },
+ { "blur", parse_double, &blur }
+ };
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+
+ return gsk_outset_shadow_node_new (&outline, &color, dx, dy, spread, blur);
+}
+
+static GskRenderNode *
+parse_transform_node (GtkCssParser *parser)
+{
+ GskRenderNode *child = NULL;
+ GskTransform *transform = NULL;
+ const Declaration declarations[] = {
+ { "transform", parse_transform, &transform },
+ { "child", parse_node, &child },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ gsk_transform_unref (transform);
+ return NULL;
+ }
+ /* This is very much cheating, isn't it? */
+ if (transform == NULL)
+ transform = gsk_transform_new ();
+
+ result = gsk_transform_node_new (child, transform);
+
+ gsk_render_node_unref (child);
+ gsk_transform_unref (transform);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_opacity_node (GtkCssParser *parser)
+{
+ GskRenderNode *child = NULL;
+ double opacity = 1.0;
+ const Declaration declarations[] = {
+ { "opacity", parse_double, &opacity },
+ { "child", parse_node, &child },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ return NULL;
+ }
+
+ result = gsk_opacity_node_new (child, opacity);
+
+ gsk_render_node_unref (child);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_color_matrix_node (GtkCssParser *parser)
+{
+ GskRenderNode *child = NULL;
+ graphene_matrix_t matrix;
+ GskTransform *transform = NULL;
+ graphene_rect_t offset_rect = GRAPHENE_RECT_INIT (0, 0, 0, 0);
+ graphene_vec4_t offset;
+ const Declaration declarations[] = {
+ { "matrix", parse_transform, &transform },
+ { "offset", parse_rect, &offset_rect },
+ { "child", parse_node, &child }
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ return NULL;
+ }
+
+ graphene_vec4_init (&offset,
+ offset_rect.origin.x, offset_rect.origin.y,
+ offset_rect.size.width, offset_rect.size.height);
+
+ gsk_transform_to_matrix (transform, &matrix);
+
+ result = gsk_color_matrix_node_new (child, &matrix, &offset);
+
+ gsk_transform_unref (transform);
+ gsk_render_node_unref (child);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_cross_fade_node (GtkCssParser *parser)
+{
+ GskRenderNode *start = NULL;
+ GskRenderNode *end = NULL;
+ double progress = 0.5;
+ const Declaration declarations[] = {
+ { "progress", parse_double, &progress },
+ { "start", parse_node, &start },
+ { "end", parse_node, &end },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (start == NULL || end == NULL)
+ {
+ if (start == NULL)
+ gtk_css_parser_error_syntax (parser, "Missing \"start\" property definition");
+ if (end == NULL)
+ gtk_css_parser_error_syntax (parser, "Missing \"end\" property definition");
+ g_clear_pointer (&start, gsk_render_node_unref);
+ g_clear_pointer (&end, gsk_render_node_unref);
+ return NULL;
+ }
+
+ result = gsk_cross_fade_node_new (start, end, progress);
+
+ gsk_render_node_unref (start);
+ gsk_render_node_unref (end);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_text_node (GtkCssParser *parser)
+{
+ PangoFont *font = NULL;
+ double x = 0;
+ double y = 0;
+ GdkRGBA color = { 0, 0, 0, 0 };
+ const Declaration declarations[] = {
+ { "font", parse_font, &font },
+ { "x", parse_double, &x },
+ { "y", parse_double, &y },
+ { "color", parse_color, &color }
+ };
+
+ /* TODO: Check font parsing? */
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+
+ return gsk_color_node_new (&color, &GRAPHENE_RECT_INIT (x, y - 10, 100, 20));
+}
+
+static GskRenderNode *
+parse_blur_node (GtkCssParser *parser)
+{
+ GskRenderNode *child = NULL;
+ double blur_radius = 0.0;
+ const Declaration declarations[] = {
+ { "blur", parse_double, &blur_radius },
+ { "child", parse_node, &child },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ return NULL;
+ }
+
+ result = gsk_blur_node_new (child, blur_radius);
+
+ gsk_render_node_unref (child);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_clip_node (GtkCssParser *parser)
+{
+ graphene_rect_t clip = GRAPHENE_RECT_INIT (0, 0, 0, 0);
+ GskRenderNode *child = NULL;
+ const Declaration declarations[] = {
+ { "clip", parse_rect, &clip },
+ { "child", parse_node, &child },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ return NULL;
+ }
+
+ result = gsk_clip_node_new (child, &clip);
+
+ gsk_render_node_unref (child);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_rounded_clip_node (GtkCssParser *parser)
+{
+ GskRoundedRect clip = GSK_ROUNDED_RECT_INIT (0, 0, 0, 0);
+ GskRenderNode *child = NULL;
+ const Declaration declarations[] = {
+ { "clip", parse_rounded_rect, &clip },
+ { "child", parse_node, &child },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ return NULL;
+ }
+
+ result = gsk_rounded_clip_node_new (child, &clip);
+
+ gsk_render_node_unref (child);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_shadow_node (GtkCssParser *parser)
+{
+ GskRenderNode *child = NULL;
+ GArray *shadows = g_array_new (FALSE, TRUE, sizeof (GskShadow));
+ const Declaration declarations[] = {
+ { "child", parse_node, &child },
+ { "shadows", parse_shadows, shadows }
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ return NULL;
+ }
+
+ if (shadows->len == 0)
+ {
+ gtk_css_parser_error_syntax (parser, "Need at least one shadow");
+ return child;
+ }
+
+ result = gsk_shadow_node_new (child, (GskShadow *)shadows->data, shadows->len);
+
+ g_array_free (shadows, TRUE);
+ gsk_render_node_unref (child);
+
+ return result;
+}
+
+static GskRenderNode *
+parse_debug_node (GtkCssParser *parser)
+{
+ char *message = NULL;
+ GskRenderNode *child = NULL;
+ const Declaration declarations[] = {
+ { "message", parse_string, &message},
+ { "child", parse_node, &child },
+ };
+ GskRenderNode *result;
+
+ parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
+ if (child == NULL)
+ {
+ gtk_css_parser_error_syntax (parser, "Missing \"child\" property definition");
+ return NULL;
+ }
+
+ result = gsk_debug_node_new (child, message);
+
+ gsk_render_node_unref (child);
+
+ return result;
+}
+
+static gboolean
+parse_node (GtkCssParser *parser,
+ gpointer out_node)
+{
+ static struct {
+ const char *name;
+ GskRenderNode * (* func) (GtkCssParser *);
+ } node_parsers[] = {
+ { "container", parse_container_node },
+ { "color", parse_color_node },
+ { "linear-gradient", parse_linear_gradient_node },
+ { "border", parse_border_node },
+ { "texture", parse_texture_node },
+ { "inset-shadow", parse_inset_shadow_node },
+ { "outset-shadow", parse_outset_shadow_node },
+ { "transform", parse_transform_node },
+ { "opacity", parse_opacity_node },
+ { "color-matrix", parse_color_matrix_node },
+ { "clip", parse_clip_node },
+ { "rounded-clip", parse_rounded_clip_node },
+ { "shadow", parse_shadow_node },
+ { "cross-fade", parse_cross_fade_node },
+ { "text", parse_text_node },
+ { "blur", parse_blur_node },
+ { "debug", parse_debug_node }
+#if 0
+ { "blend", parse_blend_node },
+ { "repeat", parse_repeat_node },
+ { "cairo", parse_cairo_node },
+#endif
+
+ };
+ GskRenderNode **node_p = out_node;
+ const GtkCssToken *token;
+ guint i;
+
+ token = gtk_css_parser_get_token (parser);
+ if (!gtk_css_token_is (token, GTK_CSS_TOKEN_IDENT))
+ {
+ gtk_css_parser_error_syntax (parser, "Expected a node name");
+ return FALSE;
+ }
+
+ for (i = 0; i < G_N_ELEMENTS (node_parsers); i++)
+ {
+ if (gtk_css_token_is_ident (token, node_parsers[i].name))
+ {
+ GskRenderNode *node;
+
+ gtk_css_parser_consume_token (parser);
+ token = gtk_css_parser_get_token (parser);
+ if (!gtk_css_token_is (token, GTK_CSS_TOKEN_OPEN_CURLY))
+ {
+ gtk_css_parser_error_syntax (parser, "Expected '{' after node name");
+ return FALSE;
+ }
+ gtk_css_parser_start_block (parser);
+ node = node_parsers[i].func (parser);
+ if (node)
+ {
+ token = gtk_css_parser_get_token (parser);
+ if (!gtk_css_token_is (token, GTK_CSS_TOKEN_EOF))
+ gtk_css_parser_error_syntax (parser, "Expected '}' at end of node definition");
+ g_clear_pointer (node_p, gsk_render_node_unref);
+ *node_p = node;
+ }
+ gtk_css_parser_end_block (parser);
+
+ return node != NULL;
+ }
+ }
+
+ gtk_css_parser_error_value (parser, "\"%s\" is not a valid node name", token->string.string);
+ return FALSE;
+}
+
+static void
+gsk_render_node_parser_error (GtkCssParser *parser,
+ const GtkCssLocation *start,
+ const GtkCssLocation *end,
+ const GError *error,
+ gpointer user_data)
+{
+ GString **error_string = user_data;
+
+ if (!*error_string)
+ *error_string = g_string_new (NULL);
+
+ g_string_append_printf (*error_string,
+ "ERROR: %zu:%zu: %s\n",
+ start->lines + 1,
+ start->line_chars,
+ error->message);
+#if 0
+ g_print ("ERROR: %zu:%zu: %s\n",
+ start->lines + 1,
+ start->line_chars,
+ error->message);
+#endif
+}
+
+GskRenderNode *
+gsk_render_node_deserialize_from_bytes (GBytes *bytes,
+ GError **error)
+{
+ GskRenderNode *root = NULL;
+ GtkCssParser *parser;
+ GString *error_string = NULL;
+
+ parser = gtk_css_parser_new_for_bytes (bytes, NULL, NULL, gsk_render_node_parser_error,
+ &error_string, NULL);
+ root = parse_container_node (parser);
+
+ if (root && gsk_container_node_get_n_children (root) == 1)
+ {
+ GskRenderNode *child = gsk_container_node_get_child (root, 0);
+
+ gsk_render_node_ref (child);
+ gsk_render_node_unref (root);
+ root = child;
+ }
+
+ gtk_css_parser_unref (parser);
+
+ if (error_string != NULL)
+ {
+ *error = g_error_new_literal (GTK_CSS_PARSER_ERROR, 0, error_string->str);
+ g_string_free (error_string, TRUE);
+ }
+
+ return root;
+}
+
+
+typedef struct
+{
+ int indentation_level;
+ GString *str;
+} Printer;
+
+static void
+printer_init (Printer *self)
+{
+ self->indentation_level = 0;
+ self->str = g_string_new (NULL);
+}
+
+#define IDENT_LEVEL 2 /* Spaces per level */
+static void
+_indent (Printer *self)
+{
+ if (self->indentation_level > 0)
+ g_string_append_printf (self->str, "%*s", self->indentation_level * IDENT_LEVEL, " ");
+}
+#undef IDENT_LEVEL
+
+static void
+start_node (Printer *self,
+ const char *node_name)
+{
+ g_string_append_printf (self->str, "%s {\n", node_name);
+ self->indentation_level ++;
+}
+
+static void
+end_node (Printer *self)
+{
+ self->indentation_level --;
+ _indent (self);
+ g_string_append (self->str, "}\n");
+}
+
+static void
+string_append_double (GString *string,
+ double d)
+{
+ char buf[G_ASCII_DTOSTR_BUF_SIZE];
+
+ g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%g", d);
+ g_string_append (string, buf);
+}
+
+
+static void
+append_rect (GString *str,
+ const graphene_rect_t *r)
+{
+ string_append_double (str, r->origin.x);
+ g_string_append_c (str, ' ');
+ string_append_double (str, r->origin.y);
+ g_string_append_c (str, ' ');
+ string_append_double (str, r->size.width);
+ g_string_append_c (str, ' ');
+ string_append_double (str, r->size.height);
+}
+
+static void
+append_rounded_rect (GString *str,
+ const GskRoundedRect *r)
+{
+ append_rect (str, &r->bounds);
+
+ if (!gsk_rounded_rect_is_rectilinear (r))
+ {
+ gboolean all_the_same = TRUE;
+ gboolean all_square = TRUE;
+ float w = r->corner[0].width;
+ float h = r->corner[0].height;
+ int i;
+
+ for (i = 1; i < 4; i ++)
+ {
+ if (r->corner[i].width != w ||
+ r->corner[i].height != h)
+ all_the_same = FALSE;
+
+ if (r->corner[i].width != r->corner[i].height)
+ all_square = FALSE;
+
+ }
+
+ g_string_append (str, " / ");
+
+ if (all_the_same)
+ {
+ string_append_double (str, w);
+ }
+ else if (all_square)
+ {
+ string_append_double (str, r->corner[0].width);
+ g_string_append_c (str, ' ');
+ string_append_double (str, r->corner[1].width);
+ g_string_append_c (str, ' ');
+ string_append_double (str, r->corner[2].width);
+ g_string_append_c (str, ' ');
+ string_append_double (str, r->corner[3].width);
+ }
+ else
+ {
+ for (i = 0; i < 4; i ++)
+ {
+ string_append_double (str, r->corner[i].width);
+ g_string_append_c (str, ' ');
+ }
+
+ g_string_append (str, "/ ");
+
+ for (i = 0; i < 3; i ++)
+ {
+ string_append_double (str, r->corner[i].height);
+ g_string_append_c (str, ' ');
+ }
+
+ string_append_double (str, r->corner[4].height);
+ }
+ }
+}
+
+static void
+append_rgba (GString *str,
+ const GdkRGBA *rgba)
+{
+ char *rgba_str = gdk_rgba_to_string (rgba);
+
+ g_string_append (str, rgba_str);
+
+ g_free (rgba_str);
+}
+
+static void
+append_point (GString *str,
+ const graphene_point_t *p)
+{
+ string_append_double (str, p->x);
+ g_string_append_c (str, ' ');
+ string_append_double (str, p->y);
+}
+
+static void
+append_vec4 (GString *str,
+ const graphene_vec4_t *v)
+{
+ string_append_double (str, graphene_vec4_get_x (v));
+ g_string_append_c (str, ' ');
+ string_append_double (str, graphene_vec4_get_y (v));
+ g_string_append_c (str, ' ');
+ string_append_double (str, graphene_vec4_get_z (v));
+ g_string_append_c (str, ' ');
+ string_append_double (str, graphene_vec4_get_w (v));
+}
+
+static void
+append_float_param (Printer *p,
+ const char *param_name,
+ float value)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ string_append_double (p->str, value);
+ g_string_append (p->str, ";\n");
+}
+
+static void
+append_rgba_param (Printer *p,
+ const char *param_name,
+ const GdkRGBA *value)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ append_rgba (p->str, value);
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+}
+
+static void
+append_rect_param (Printer *p,
+ const char *param_name,
+ const graphene_rect_t *value)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ append_rect (p->str, value);
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+}
+
+static void
+append_rounded_rect_param (Printer *p,
+ const char *param_name,
+ const GskRoundedRect *value)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ append_rounded_rect (p->str, value);
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+}
+
+static void
+append_point_param (Printer *p,
+ const char *param_name,
+ const graphene_point_t *value)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ append_point (p->str, value);
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+}
+
+static void
+append_vec4_param (Printer *p,
+ const char *param_name,
+ const graphene_vec4_t *value)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ append_vec4 (p->str, value);
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+}
+
+static void
+append_matrix_param (Printer *p,
+ const char *param_name,
+ const graphene_matrix_t *value)
+{
+ GskTransform *transform = NULL;
+
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+
+ transform = gsk_transform_matrix (transform, value);
+ gsk_transform_print (transform,p->str);
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+
+ gsk_transform_unref (transform);
+}
+
+static void
+append_transform_param (Printer *p,
+ const char *param_name,
+ GskTransform *transform)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ gsk_transform_print (transform, p->str);
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+}
+
+static void render_node_print (Printer *p,
+ GskRenderNode *node);
+
+static void
+append_node_param (Printer *p,
+ const char *param_name,
+ GskRenderNode *node)
+{
+ _indent (p);
+ g_string_append_printf (p->str, "%s: ", param_name);
+ render_node_print (p, node);
+}
+
+static void
+render_node_print (Printer *p,
+ GskRenderNode *node)
+{
+ switch (gsk_render_node_get_node_type (node))
+ {
+ case GSK_CONTAINER_NODE:
+ {
+ guint i;
+
+ start_node (p, "container");
+ for (i = 0; i < gsk_container_node_get_n_children (node); i ++)
+ {
+ GskRenderNode *child = gsk_container_node_get_child (node, i);
+
+ /* Only in container nodes do we want nodes to be indented. */
+ _indent (p);
+ render_node_print (p, child);
+ }
+ end_node (p);
+ }
+ break;
+
+ case GSK_COLOR_NODE:
+ {
+ start_node (p, "color");
+ append_rect_param (p, "bounds", &node->bounds);
+ append_rgba_param (p, "color", gsk_color_node_peek_color (node));
+ end_node (p);
+ }
+ break;
+
+ case GSK_CROSS_FADE_NODE:
+ {
+ start_node (p, "cross-fade");
+
+ append_float_param (p, "progress", gsk_cross_fade_node_get_progress (node));
+ append_node_param (p, "start", gsk_cross_fade_node_get_start_child (node));
+ append_node_param (p, "end", gsk_cross_fade_node_get_end_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_LINEAR_GRADIENT_NODE:
+ {
+ const guint n_stops = gsk_linear_gradient_node_get_n_color_stops (node);
+ const GskColorStop *stop;
+ int i;
+
+ start_node (p, "linear-gradient");
+
+ append_rect_param (p, "bounds", &node->bounds);
+ append_point_param (p, "start", gsk_linear_gradient_node_peek_start (node));
+ append_point_param (p, "end", gsk_linear_gradient_node_peek_end (node));
+
+ _indent (p);
+ g_string_append (p->str, "stops:");
+ for (i = 0; i < n_stops - 1; i ++)
+ {
+ stop = gsk_linear_gradient_node_peek_color_stops (node) + i;
+
+ g_string_append_c (p->str, ' ');
+ string_append_double (p->str, stop->offset);
+ g_string_append_c (p->str, ' ');
+ append_rgba (p->str, &stop->color);
+ g_string_append_c (p->str, ',');
+ }
+
+ /* Last one, no comma */
+ stop = gsk_linear_gradient_node_peek_color_stops (node) + n_stops - 1;
+ string_append_double (p->str, stop->offset);
+ g_string_append_c (p->str, ' ');
+ append_rgba (p->str, &stop->color);
+ g_string_append (p->str, ";\n");
+
+ end_node (p);
+ }
+ break;
+
+ {
+ g_error ("Add public api to access the repeating linear gradient node data");
+ }
+ break;
+
+ case GSK_OPACITY_NODE:
+ {
+ start_node (p, "opacity");
+
+ append_float_param (p, "opacity", gsk_opacity_node_get_opacity (node));
+ append_node_param (p, "child", gsk_opacity_node_get_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_OUTSET_SHADOW_NODE:
+ {
+ start_node (p, "outset-shadow");
+
+ append_rounded_rect_param (p, "outline", gsk_outset_shadow_node_peek_outline (node));
+ append_rgba_param (p, "color", gsk_outset_shadow_node_peek_color (node));
+ append_float_param (p, "dx", gsk_outset_shadow_node_get_dx (node));
+ append_float_param (p, "dy", gsk_outset_shadow_node_get_dy (node));
+ append_float_param (p, "spread", gsk_outset_shadow_node_get_spread (node));
+ append_float_param (p, "blur", gsk_outset_shadow_node_get_blur_radius (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_CLIP_NODE:
+ {
+ start_node (p, "clip");
+
+ append_rect_param (p, "clip", gsk_clip_node_peek_clip (node));
+ append_node_param (p, "child", gsk_clip_node_get_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_ROUNDED_CLIP_NODE:
+ {
+ start_node (p, "rounded-clip");
+
+ append_rounded_rect_param (p, "clip", gsk_rounded_clip_node_peek_clip (node));
+ append_node_param (p, "child", gsk_rounded_clip_node_get_child (node));
+
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_TRANSFORM_NODE:
+ {
+ start_node (p, "transform");
+
+ append_transform_param (p, "transform", gsk_transform_node_get_transform (node));
+ append_node_param (p, "child", gsk_transform_node_get_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_COLOR_MATRIX_NODE:
+ {
+ start_node (p, "color-matrix");
+
+ append_matrix_param (p, "matrix", gsk_color_matrix_node_peek_color_matrix (node));
+ append_vec4_param (p, "offset", gsk_color_matrix_node_peek_color_offset (node));
+ append_node_param (p, "child", gsk_color_matrix_node_get_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_BORDER_NODE:
+ {
+ start_node (p, "border");
+
+ append_rounded_rect_param (p, "outline", gsk_border_node_peek_outline (node));
+
+ _indent (p);
+ g_string_append (p->str, "widths: ");
+ string_append_double (p->str, gsk_border_node_peek_widths (node)[0]);
+ g_string_append_c (p->str, ' ');
+ string_append_double (p->str, gsk_border_node_peek_widths (node)[1]);
+ g_string_append_c (p->str, ' ');
+ string_append_double (p->str, gsk_border_node_peek_widths (node)[2]);
+ g_string_append_c (p->str, ' ');
+ string_append_double (p->str, gsk_border_node_peek_widths (node)[3]);
+ g_string_append (p->str, ";\n");
+
+ _indent (p);
+ g_string_append (p->str, "colors: ");
+ append_rgba (p->str, &gsk_border_node_peek_colors (node)[0]);
+ g_string_append_c (p->str, ' ');
+ append_rgba (p->str, &gsk_border_node_peek_colors (node)[1]);
+ g_string_append_c (p->str, ' ');
+ append_rgba (p->str, &gsk_border_node_peek_colors (node)[2]);
+ g_string_append_c (p->str, ' ');
+ append_rgba (p->str, &gsk_border_node_peek_colors (node)[3]);
+ g_string_append (p->str, ";\n");
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_SHADOW_NODE:
+ {
+ const guint n_shadows = gsk_shadow_node_get_n_shadows (node);
+ int i;
+
+ start_node (p, "shadow");
+
+ _indent (p);
+ g_string_append (p->str, "shadows: ");
+ for (i = 0; i < n_shadows; i ++)
+ {
+ const GskShadow *s = gsk_shadow_node_peek_shadow (node, i);
+ char *color;
+
+ color = gdk_rgba_to_string (&s->color);
+ g_string_append (p->str, color);
+ g_string_append_c (p->str, ' ');
+ string_append_double (p->str, s->dx);
+ g_string_append_c (p->str, ' ');
+ string_append_double (p->str, s->dy);
+ g_string_append_c (p->str, ' ');
+ string_append_double (p->str, s->radius);
+
+ if (i < n_shadows - 1)
+ g_string_append (p->str, ", ");
+
+ g_free (color);
+ }
+
+ g_string_append_c (p->str, ';');
+ g_string_append_c (p->str, '\n');
+
+ append_node_param (p, "child", gsk_shadow_node_get_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_INSET_SHADOW_NODE:
+ {
+ start_node (p, "inset-shadow");
+
+ append_rounded_rect_param (p, "outline", gsk_inset_shadow_node_peek_outline (node));
+ append_rgba_param (p, "color", gsk_inset_shadow_node_peek_color (node));
+ append_float_param (p, "dx", gsk_inset_shadow_node_get_dx (node));
+ append_float_param (p, "dy", gsk_inset_shadow_node_get_dy (node));
+ append_float_param (p, "spread", gsk_inset_shadow_node_get_spread (node));
+ append_float_param (p, "blur", gsk_inset_shadow_node_get_blur_radius (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_TEXTURE_NODE:
+ {
+ GdkTexture *texture = gsk_texture_node_get_texture (node);
+ int stride;
+ int len;
+ guchar *data;
+ char *b64;
+
+ start_node (p, "texture");
+ append_rect_param (p, "bounds", &node->bounds);
+ /* TODO: width and height here are unnecessary and can later be computed from the data length? */
+ append_float_param (p, "width", gdk_texture_get_width (texture));
+ append_float_param (p, "height", gdk_texture_get_height (texture));
+
+ stride = 4 * gdk_texture_get_width (texture);
+ len = sizeof (guchar) * stride * gdk_texture_get_height (texture);
+ data = g_malloc (len);
+ gdk_texture_download (texture, data, stride);
+
+ b64 = g_base64_encode (data, len);
+
+ _indent (p);
+ g_string_append_printf (p->str, "texture: \"data:;base64,%s\";\n", b64);
+ end_node (p);
+
+ g_free (b64);
+ g_free (data);
+ }
+ break;
+
+ case GSK_TEXT_NODE:
+ {
+ start_node (p, "text");
+
+ _indent (p);
+ g_string_append_printf (p->str, "font: \"%s\";\n",
+ pango_font_description_to_string (pango_font_describe (
+ (PangoFont *)gsk_text_node_peek_font (node))));
+
+ append_float_param (p, "x", gsk_text_node_get_x (node));
+ append_float_param (p, "y", gsk_text_node_get_y (node));
+ append_rgba_param (p, "color", gsk_text_node_peek_color (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_DEBUG_NODE:
+ {
+ start_node (p, "debug");
+
+ _indent (p);
+ /* TODO: We potentially need to escape certain characters in the message */
+ g_string_append_printf (p->str, "message: \"%s\"\n", gsk_debug_node_get_message (node));
+
+ append_node_param (p, "child", gsk_debug_node_get_child (node));
+ end_node (p);
+ }
+ break;
+
+ case GSK_BLUR_NODE:
+ {
+ start_node (p, "blur");
+
+ append_float_param (p, "blur", gsk_blur_node_get_radius (node));
+ append_node_param (p, "child", gsk_blur_node_get_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_REPEAT_NODE:
+ {
+ start_node (p, "repeat");
+ append_rect_param (p, "bounds", &node->bounds);
+ append_rect_param (p, "child-bounds", gsk_repeat_node_peek_child_bounds (node));
+
+ append_node_param (p, "child", gsk_repeat_node_get_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_BLEND_NODE:
+ {
+ start_node (p, "blend");
+
+ _indent (p);
+ /* TODO: (de)serialize enums! */
+ g_string_append_printf (p->str, "mode = %d\n", gsk_blend_node_get_blend_mode (node));
+ append_node_param (p, "top", gsk_blend_node_get_top_child (node));
+ append_node_param (p, "bottom", gsk_blend_node_get_bottom_child (node));
+
+ end_node (p);
+ }
+ break;
+
+ case GSK_NOT_A_RENDER_NODE:
+ g_assert_not_reached ();
+ break;
+
+ case GSK_REPEATING_LINEAR_GRADIENT_NODE:
+ case GSK_CAIRO_NODE:
+ default:
+ g_error ("Unhandled node: %s", node->node_class->type_name);
+ }
+}
+
+char *
+gsk_render_node_serialize_to_string (GskRenderNode *root)
+{
+ Printer p;
+
+ printer_init (&p);
+ render_node_print (&p, root);
+
+ return g_string_free (p.str, FALSE);
+}
diff --git a/gsk/gskrendernodeparserprivate.h b/gsk/gskrendernodeparserprivate.h
new file mode 100644
index 0000000000..9d72643c00
--- /dev/null
+++ b/gsk/gskrendernodeparserprivate.h
@@ -0,0 +1,11 @@
+
+#ifndef __GSK_RENDER_NODE_PARSER_PRIVATE_H__
+#define __GSK_RENDER_NODE_PARSER_PRIVATE_H__
+
+#include "gskrendernode.h"
+
+GskRenderNode * gsk_render_node_deserialize_from_bytes (GBytes *bytes,
+ GError **error);
+char * gsk_render_node_serialize_to_string (GskRenderNode *root);
+
+#endif
diff --git a/gsk/gsktransform.c b/gsk/gsktransform.c
index 1dfd9b9740..3ada22ff8a 100644
--- a/gsk/gsktransform.c
+++ b/gsk/gsktransform.c
@@ -1695,6 +1695,7 @@ gsk_transform_parser_parse (GtkCssParser *parser,
if (gtk_css_token_is_ident (token, "none"))
{
gtk_css_parser_consume_token (parser);
+
*out_transform = NULL;
return TRUE;
}
@@ -1902,6 +1903,7 @@ gsk_transform_parse (const char *string,
result = FALSE;
}
gtk_css_parser_unref (parser);
+
g_bytes_unref (bytes);
return result;
diff --git a/gsk/meson.build b/gsk/meson.build
index 912c5ed0f8..bd0830b7cf 100644
--- a/gsk/meson.build
+++ b/gsk/meson.build
@@ -34,6 +34,7 @@ gsk_private_sources = files([
'gskdebug.c',
'gskprivate.c',
'gskprofiler.c',
+ 'gskrendernodeparser.c',
'gl/gskshaderbuilder.c',
'gl/gskglprofiler.c',
'gl/gskglrenderer.c',
diff --git a/gtk/gtkcssprovider.h b/gtk/gtkcssprovider.h
index c2fb467b50..bd25db6ae7 100644
--- a/gtk/gtkcssprovider.h
+++ b/gtk/gtkcssprovider.h
@@ -30,6 +30,29 @@ G_BEGIN_DECLS
#define GTK_IS_CSS_PROVIDER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GTK_TYPE_CSS_PROVIDER))
#define GTK_CSS_PROVIDER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_CSS_PROVIDER,
GtkCssProviderClass))
+/**
+ * GtkCssProviderError:
+ * @GTK_CSS_PROVIDER_ERROR_FAILED: Failed.
+ * @GTK_CSS_PROVIDER_ERROR_SYNTAX: Syntax error.
+ * @GTK_CSS_PROVIDER_ERROR_IMPORT: Import error.
+ * @GTK_CSS_PROVIDER_ERROR_NAME: Name error.
+ * @GTK_CSS_PROVIDER_ERROR_DEPRECATED: Deprecation error.
+ * @GTK_CSS_PROVIDER_ERROR_UNKNOWN_VALUE: Unknown value.
+ * @GTK_CSS_PROVIDER_WARN_GENERAL: A general warning.
+ *
+ * Error codes for %GTK_CSS_PROVIDER_ERROR.
+ */
+typedef enum
+{
+ GTK_CSS_PROVIDER_ERROR_FAILED,
+ GTK_CSS_PROVIDER_ERROR_SYNTAX,
+ GTK_CSS_PROVIDER_ERROR_IMPORT,
+ GTK_CSS_PROVIDER_ERROR_NAME,
+ GTK_CSS_PROVIDER_ERROR_DEPRECATED,
+ GTK_CSS_PROVIDER_ERROR_UNKNOWN_VALUE,
+ GTK_CSS_PROVIDER_WARN_GENERAL,
+} GtkCssProviderError;
+
typedef struct _GtkCssProvider GtkCssProvider;
typedef struct _GtkCssProviderClass GtkCssProviderClass;
typedef struct _GtkCssProviderPrivate GtkCssProviderPrivate;
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