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Don't duplicate unmodified SVG surfaces

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This commit is contained in:
Emmanuel Pacaud 2006-03-09 22:09:14 +01:00
parent 7563a23921
commit 66599911e0
1 changed files with 24 additions and 6 deletions
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30
src/cairo-svg-surface.c
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@ -91,6 +91,9 @@ struct cairo_svg_surface {
xmlNodePtr xml_root_node;
unsigned int clip_level;
cairo_bool_t modified;
unsigned int previous_id;
};
static cairo_svg_document_t *
@ -217,6 +220,9 @@ _cairo_svg_surface_create_for_document (cairo_svg_document_t *document,
xmlSetProp (surface->xml_node, CC2XML ("id"), C2XML (buffer));
snprintf (buffer, sizeof buffer, "url(#clip%d)", clip_id);
xmlSetProp (surface->xml_node, CC2XML ("clip-path"), C2XML (buffer));
surface->modified = TRUE;
surface->previous_id = surface->id;
return &surface->base;
}
@ -459,10 +465,11 @@ emit_composite_svg_pattern (xmlNodePtr node,
xmlNodePtr child;
char buffer[CAIRO_SVG_DTOSTR_BUFFER_LEN];
xmlAddChild (document->xml_node_defs, xmlCopyNode (surface->xml_root_node, 1));
if (surface->modified)
xmlAddChild (document->xml_node_defs, xmlCopyNode (surface->xml_root_node, 1));
child = xmlNewChild (node, NULL, CC2XML("use"), NULL);
snprintf (buffer, sizeof buffer, "#surface%d", surface->id);
snprintf (buffer, sizeof buffer, "#surface%d", surface->previous_id);
xmlSetProp (child, CC2XML ("xlink:href"), C2XML (buffer));
if (!is_pattern) {
@ -476,9 +483,13 @@ emit_composite_svg_pattern (xmlNodePtr node,
if (height != NULL)
*height = surface->height;
surface->id = document->surface_id++;
snprintf (buffer, sizeof buffer, "surface%d", surface->id);
xmlSetProp (surface->xml_root_node, CC2XML ("id"), C2XML (buffer));
if (surface->modified) {
surface->modified = FALSE;
surface->previous_id = surface->id;
surface->id = document->surface_id++;
snprintf (buffer, sizeof buffer, "surface%d", surface->id);
xmlSetProp (surface->xml_root_node, CC2XML ("id"), C2XML (buffer));
}
return child;
}
@ -925,6 +936,7 @@ _cairo_svg_surface_fill (void *abstract_surface,
xmlBufferFree (info.path);
xmlBufferFree (style);
surface->modified = TRUE;
return status;
}
@ -987,8 +999,10 @@ _cairo_svg_surface_paint (void *abstract_surface,
cairo_pattern_t *source)
{
cairo_svg_surface_t *surface = abstract_surface;
emit_paint (surface->xml_node, surface, op, source);
surface->modified = TRUE;
return CAIRO_STATUS_SUCCESS;
}
@ -1017,6 +1031,7 @@ _cairo_svg_surface_mask (void *abstract_surface,
document->mask_id++;
surface->modified = TRUE;
return CAIRO_STATUS_SUCCESS;
}
@ -1122,6 +1137,7 @@ _cairo_svg_surface_stroke (void *abstract_dst,
xmlBufferFree (info.path);
xmlBufferFree (style);
surface->modified = TRUE;
return status;
}
@ -1133,6 +1149,7 @@ _cairo_svg_surface_show_glyphs (void *abstract_surface,
int num_glyphs,
cairo_scaled_font_t *scaled_font)
{
cairo_svg_surface_t *surface = abstract_surface;
cairo_path_fixed_t path;
cairo_status_t status;
@ -1156,6 +1173,7 @@ _cairo_svg_surface_show_glyphs (void *abstract_surface,
_cairo_path_fixed_fini (&path);
surface->modified = TRUE;
return status;
}