diff options
author | Benjamin Otte <otte@redhat.com> | 2019-05-26 00:50:13 +0200 |
---|---|---|
committer | Benjamin Otte <otte@redhat.com> | 2019-05-26 00:50:13 +0200 |
commit | 928c85ccc390bcd0285609373ea7859cfe072f10 (patch) | |
tree | 132c22d5fe14b4c5523510751c57e365c2ffbba7 /gsk/gskrendernodeparser.c | |
parent | fda643952d2c6fcbd31106c49ec24af018bbcc76 (diff) | |
download | gtk+-928c85ccc390bcd0285609373ea7859cfe072f10.tar.gz |
rendernodeparser: Parse Cairo nodes
We also print the script, but we don't parse it yet.
Diffstat (limited to 'gsk/gskrendernodeparser.c')
-rw-r--r-- | gsk/gskrendernodeparser.c | 138 |
1 files changed, 114 insertions, 24 deletions
diff --git a/gsk/gskrendernodeparser.c b/gsk/gskrendernodeparser.c index ab7b3bd2a8..937e7d796f 100644 --- a/gsk/gskrendernodeparser.c +++ b/gsk/gskrendernodeparser.c @@ -33,6 +33,10 @@ #include "gtk/css/gtkcssdataurlprivate.h" #include "gtk/css/gtkcssparserprivate.h" +#ifdef CAIRO_HAS_SCRIPT_SURFACE +#include <cairo-script.h> +#endif + typedef struct _Declaration Declaration; struct _Declaration @@ -768,6 +772,30 @@ parse_declarations (GtkCssParser *parser, return parsed; } +static GdkTexture * +create_default_texture (void) +{ + static const guint32 pixels[100] = { + 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, + 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, + 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, + 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, + 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, + 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, + 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, + 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, + 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC }; + GBytes *bytes; + GdkTexture *texture; + + bytes = g_bytes_new_static ((guchar *) pixels, 400); + texture = gdk_memory_texture_new (10, 10, GDK_MEMORY_DEFAULT, bytes, 40); + g_bytes_unref (bytes); + + return texture; +} + static GskRenderNode * create_default_render_node (void) { @@ -873,23 +901,7 @@ parse_texture_node (GtkCssParser *parser) parse_declarations (parser, declarations, G_N_ELEMENTS(declarations)); if (texture == NULL) - { - static const guint32 pixels[100] = { - 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, - 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, - 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, - 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, - 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, - 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, - 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, - 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, - 0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC }; - GBytes *bytes = g_bytes_new_static ((guchar *) pixels, 400); - - texture = gdk_memory_texture_new (10, 10, GDK_MEMORY_DEFAULT, bytes, 40); - g_bytes_unref (bytes); - } + texture = create_default_texture (); node = gsk_texture_node_new (texture, &bounds); g_object_unref (texture); @@ -898,6 +910,44 @@ parse_texture_node (GtkCssParser *parser) } static GskRenderNode * +parse_cairo_node (GtkCssParser *parser) +{ + graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50); + GdkTexture *pixels = NULL; + const Declaration declarations[] = { + { "bounds", parse_rect, NULL, &bounds }, + { "pixels", parse_texture, clear_texture, &pixels } + }; + GskRenderNode *node; + cairo_t *cr; + + parse_declarations (parser, declarations, G_N_ELEMENTS(declarations)); + + node = gsk_cairo_node_new (&bounds); + + cr = gsk_cairo_node_get_draw_context (node); + + if (pixels != NULL) + { + cairo_surface_t *surface; + surface = gdk_texture_download_surface (pixels); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); + cairo_surface_destroy (surface); + } + else + { + gdk_cairo_set_source_rgba (cr, &GDK_RGBA ("FF00CC")); + cairo_paint (cr); + } + + cairo_destroy (cr); + g_clear_object (&pixels); + + return node; +} + +static GskRenderNode * parse_outset_shadow_node (GtkCssParser *parser) { GskRoundedRect outline = GSK_ROUNDED_RECT_INIT (0, 0, 50, 50); @@ -1325,10 +1375,7 @@ parse_node (GtkCssParser *parser, { "debug", parse_debug_node }, { "blend", parse_blend_node }, { "repeat", parse_repeat_node }, -#if 0 { "cairo", parse_cairo_node }, -#endif - }; GskRenderNode **node_p = out_node; guint i; @@ -1696,9 +1743,9 @@ append_node_param (Printer *p, } static cairo_status_t -surface_write (void *closure, - const unsigned char *data, - unsigned int length) +cairo_write_array (void *closure, + const unsigned char *data, + unsigned int length) { g_byte_array_append (closure, data, length); @@ -1988,7 +2035,7 @@ render_node_print (Printer *p, surface = gdk_texture_download_surface (texture); array = g_byte_array_new (); - cairo_surface_write_to_png_stream (surface, surface_write, array); + cairo_surface_write_to_png_stream (surface, cairo_write_array, array); b64 = g_base64_encode (array->data, array->len); _indent (p); @@ -2170,6 +2217,49 @@ render_node_print (Printer *p, break; case GSK_CAIRO_NODE: + { + cairo_surface_t *surface = gsk_cairo_node_peek_surface (node); + GByteArray *array; + char *b64; + + start_node (p, "cairo"); + append_rect_param (p, "bounds", &node->bounds); + + array = g_byte_array_new (); + cairo_surface_write_to_png_stream (surface, cairo_write_array, array); + b64 = g_base64_encode (array->data, array->len); + + _indent (p); + g_string_append_printf (p->str, "pixels: url(\"data:image/png;base64,%s\");\n", b64); + + g_free (b64); + g_byte_array_free (array, TRUE); + +#ifdef CAIRO_HAS_SCRIPT_SURFACE + if (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_RECORDING) + { + cairo_device_t *script; + + array = g_byte_array_new (); + script = cairo_script_create_for_stream (cairo_write_array, array); + + if (cairo_script_from_recording_surface (script, surface) == CAIRO_STATUS_SUCCESS) + { + b64 = g_base64_encode (array->data, array->len); + _indent (p); + g_string_append_printf (p->str, "script: url(\"data:;base64,%s\");\n", b64); + g_free (b64); + } + + cairo_device_destroy (script); + g_byte_array_free (array, TRUE); + } +#endif + + end_node (p); + } + break; + case GSK_REPEATING_LINEAR_GRADIENT_NODE: default: g_error ("Unhandled node: %s", node->node_class->type_name); |