moving trunk for module inkscape

(bzr r1)

1 files changed, 163 insertions, 0 deletions

diff --git a/src/sp-paint-server.cpp b/src/sp-paint-server.cpp
new file mode 100644
index 000000000..24727628c
--- /dev/null
+++ b/src/sp-paint-server.cpp
@@ -0,0 +1,163 @@
+#define __SP_PAINT_SERVER_C__
+
+/*
+ * Base class for gradients and patterns
+ *
+ * Author:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *
+ * Copyright (C) 1999-2002 Lauris Kaplinski
+ * Copyright (C) 2000-2001 Ximian, Inc.
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <libnr/nr-pixblock-pattern.h>
+#include "sp-paint-server.h"
+
+static void sp_paint_server_class_init(SPPaintServerClass *psc);
+static void sp_paint_server_init(SPPaintServer *ps);
+
+static void sp_paint_server_release(SPObject *object);
+
+static void sp_painter_stale_fill(SPPainter *painter, NRPixBlock *pb);
+
+static SPObjectClass *parent_class;
+static GSList *stale_painters = NULL;
+
+GType sp_paint_server_get_type (void)
+{
+    static GType type = 0;
+    if (!type) {
+        GTypeInfo info = {
+            sizeof(SPPaintServerClass),
+            NULL,	/* base_init */
+            NULL,	/* base_finalize */
+            (GClassInitFunc) sp_paint_server_class_init,
+            NULL,	/* class_finalize */
+            NULL,	/* class_data */
+            sizeof(SPPaintServer),
+            16,	/* n_preallocs */
+            (GInstanceInitFunc) sp_paint_server_init,
+            NULL,	/* value_table */
+        };
+        type = g_type_register_static(SP_TYPE_OBJECT, "SPPaintServer", &info, (GTypeFlags) 0);
+    }
+    return type;
+}
+
+static void sp_paint_server_class_init(SPPaintServerClass *psc)
+{
+    SPObjectClass *sp_object_class = (SPObjectClass *) psc;
+    sp_object_class->release = sp_paint_server_release;
+    parent_class = (SPObjectClass *) g_type_class_ref(SP_TYPE_OBJECT);
+}
+
+static void sp_paint_server_init(SPPaintServer *ps)
+{
+    ps->painters = NULL;
+}
+
+static void sp_paint_server_release(SPObject *object)
+{
+    SPPaintServer *ps = SP_PAINT_SERVER(object);
+
+    while (ps->painters) {
+        SPPainter *painter = ps->painters;
+        ps->painters = painter->next;
+        stale_painters = g_slist_prepend(stale_painters, painter);
+        painter->next = NULL;
+        painter->server = NULL;
+        painter->fill = sp_painter_stale_fill;
+    }
+
+    if (((SPObjectClass *) parent_class)->release) {
+        ((SPObjectClass *) parent_class)->release(object);
+    }
+}
+
+SPPainter *sp_paint_server_painter_new(SPPaintServer *ps,
+                                       NR::Matrix const &full_transform,
+                                       NR::Matrix const &parent_transform,
+                                       const NRRect *bbox)
+{
+    g_return_val_if_fail(ps != NULL, NULL);
+    g_return_val_if_fail(SP_IS_PAINT_SERVER(ps), NULL);
+    g_return_val_if_fail(bbox != NULL, NULL);
+
+    SPPainter *painter = NULL;
+    SPPaintServerClass *psc = (SPPaintServerClass *) G_OBJECT_GET_CLASS(ps);
+    if ( psc->painter_new ) {
+        painter = (*psc->painter_new)(ps, full_transform, parent_transform, bbox);
+    }
+
+    if (painter) {
+        painter->next = ps->painters;
+        painter->server = ps;
+        painter->type = (SPPainterType) G_OBJECT_TYPE(ps);
+        ps->painters = painter;
+    }
+
+    return painter;
+}
+
+static void sp_paint_server_painter_free(SPPaintServer *ps, SPPainter *painter)
+{
+    g_return_if_fail(ps != NULL);
+    g_return_if_fail(SP_IS_PAINT_SERVER(ps));
+    g_return_if_fail(painter != NULL);
+
+    SPPaintServerClass *psc = (SPPaintServerClass *) G_OBJECT_GET_CLASS(ps);
+    
+    SPPainter *r = NULL;
+    for (SPPainter *p = ps->painters; p != NULL; p = p->next) {
+        if (p == painter) {
+            if (r) {
+                r->next = p->next;
+            } else {
+                ps->painters = p->next;
+            }
+            p->next = NULL;
+            if (psc->painter_free) {
+                (*psc->painter_free) (ps, painter);
+            }
+            return;
+        }
+        r = p;
+    }
+    
+    g_assert_not_reached();
+}
+
+SPPainter *sp_painter_free(SPPainter *painter)
+{
+    g_return_val_if_fail(painter != NULL, NULL);
+
+    if (painter->server) {
+        sp_paint_server_painter_free(painter->server, painter);
+    } else {
+        SPPaintServerClass *psc = (SPPaintServerClass *) g_type_class_ref(painter->type);
+        if (psc->painter_free)
+            (*psc->painter_free)(NULL, painter);
+        stale_painters = g_slist_remove(stale_painters, painter);
+    }
+
+    return NULL;
+}
+
+static void sp_painter_stale_fill(SPPainter *painter, NRPixBlock *pb)
+{
+    nr_pixblock_render_gray_noise(pb, NULL);
+}
+
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :