From 179fa413b047bede6e32109e2ce82437c5fb8d34 Mon Sep 17 00:00:00 2001 From: MenTaLguY Date: Mon, 16 Jan 2006 02:36:01 +0000 Subject: moving trunk for module inkscape (bzr r1) --- src/sp-paint-server.cpp | 163 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 src/sp-paint-server.cpp (limited to 'src/sp-paint-server.cpp') 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 + * + * Copyright (C) 1999-2002 Lauris Kaplinski + * Copyright (C) 2000-2001 Ximian, Inc. + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#include +#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 : -- cgit v1.2.3