![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/marker.cpp b/src/marker.cpp
index 68b630920fa6a56a1f01af9127c66bc0626520f1..0ec92a1ff2147b00573ad9703e86d10a7628083c 100644 (file)
--- a/src/marker.cpp
+++ b/src/marker.cpp
-#define __SP_MARKER_C__
-
/*
* SVG <marker> implementation
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
+ * Bryce Harrington <bryce@bryceharrington.org>
+ * Abhishek Sharma
*
* Copyright (C) 1999-2003 Lauris Kaplinski
+ * 2004-2006 Bryce Harrington
+ * 2008 Johan Engelen
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
+#include <cstring>
+#include <string>
#include "config.h"
#include "libnr/nr-matrix-fns.h"
#include "libnr/nr-matrix-ops.h"
+#include "libnr/nr-matrix-translate-ops.h"
#include "libnr/nr-scale-matrix-ops.h"
-#include "libnr/nr-rotate-fns.h"
+#include "libnr/nr-translate-matrix-ops.h"
+#include "libnr/nr-convert2geom.h"
+#include <2geom/matrix.h>
#include "svg/svg.h"
#include "display/nr-arena-group.h"
#include "xml/repr.h"
#include "attributes.h"
#include "marker.h"
+#include "document.h"
+#include "document-private.h"
struct SPMarkerView {
SPMarkerView *next;
unsigned int key;
- unsigned int size;
- NRArenaItem *items[1];
+ std::vector<NRArenaItem *> items;
};
static void sp_marker_class_init (SPMarkerClass *klass);
@@ -38,11 +46,11 @@ static void sp_marker_build (SPObject *object, SPDocument *document, Inkscape::X
static void sp_marker_release (SPObject *object);
static void sp_marker_set (SPObject *object, unsigned int key, const gchar *value);
static void sp_marker_update (SPObject *object, SPCtx *ctx, guint flags);
-static Inkscape::XML::Node *sp_marker_write (SPObject *object, Inkscape::XML::Node *repr, guint flags);
+static Inkscape::XML::Node *sp_marker_write (SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
static NRArenaItem *sp_marker_private_show (SPItem *item, NRArena *arena, unsigned int key, unsigned int flags);
static void sp_marker_private_hide (SPItem *item, unsigned int key);
-static void sp_marker_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const flags);
+static void sp_marker_bbox(SPItem const *item, NRRect *bbox, Geom::Matrix const &transform, unsigned const flags);
static void sp_marker_print (SPItem *item, SPPrintContext *ctx);
static void sp_marker_view_remove (SPMarker *marker, SPMarkerView *view, unsigned int destroyitems);
}
/**
- * Initializes a SPMarkerClass object. Establishes the function pointers to the class'
+ * Initializes a SPMarkerClass object. Establishes the function pointers to the class'
* member routines in the class vtable, and sets pointers to parent classes.
*/
static void
static void
sp_marker_init (SPMarker *marker)
{
- marker->viewBox_set = FALSE;
-
- nr_matrix_set_identity (&marker->c2p);
+ marker->viewBox = Geom::OptRect();
+ marker->c2p.setIdentity();
+ marker->views = NULL;
}
/**
*
* This is to be invoked immediately after creation of an SPMarker. This
* method fills an SPMarker object with its SVG attributes, and calls the
- * parent class' build routine to attach the object to its document and
+ * parent class' build routine to attach the object to its document and
* repr. The result will be creation of the whole document tree.
*
* \see sp_object_build()
@@ -132,14 +140,14 @@ sp_marker_build (SPObject *object, SPDocument *document, Inkscape::XML::Node *re
group = (SPGroup *) object;
marker = (SPMarker *) object;
- sp_object_read_attr (object, "markerUnits");
- sp_object_read_attr (object, "refX");
- sp_object_read_attr (object, "refY");
- sp_object_read_attr (object, "markerWidth");
- sp_object_read_attr (object, "markerHeight");
- sp_object_read_attr (object, "orient");
- sp_object_read_attr (object, "viewBox");
- sp_object_read_attr (object, "preserveAspectRatio");
+ object->readAttr( "markerUnits" );
+ object->readAttr( "refX" );
+ object->readAttr( "refY" );
+ object->readAttr( "markerWidth" );
+ object->readAttr( "markerHeight" );
+ object->readAttr( "orient" );
+ object->readAttr( "viewBox" );
+ object->readAttr( "preserveAspectRatio" );
if (((SPObjectClass *) parent_class)->build)
((SPObjectClass *) parent_class)->build (object, document, repr);
object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_VIEWBOX:
- marker->viewBox_set = FALSE;
+ marker->viewBox = Geom::OptRect();
if (value) {
double x, y, width, height;
char *eptr;
while (*eptr && ((*eptr == ',') || (*eptr == ' '))) eptr++;
if ((width > 0) && (height > 0)) {
/* Set viewbox */
- marker->viewBox.x0 = x;
- marker->viewBox.y0 = y;
- marker->viewBox.x1 = x + width;
- marker->viewBox.y1 = y + height;
- marker->viewBox_set = TRUE;
+ marker->viewBox = Geom::Rect( Geom::Point(x,y),
+ Geom::Point(x + width, y + height) );
}
}
object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG);
align = SP_ASPECT_XMIN_YMID;
} else if (!strcmp (c, "xMidYMid")) {
align = SP_ASPECT_XMID_YMID;
- } else if (!strcmp (c, "xMaxYMin")) {
+ } else if (!strcmp (c, "xMaxYMid")) {
align = SP_ASPECT_XMAX_YMID;
} else if (!strcmp (c, "xMinYMax")) {
align = SP_ASPECT_XMIN_YMAX;
}
clip = SP_ASPECT_MEET;
while (*e && *e == 32) e += 1;
- if (e) {
+ if (*e) {
if (!strcmp (e, "meet")) {
clip = SP_ASPECT_MEET;
} else if (!strcmp (e, "slice")) {
SPItem *item;
SPMarker *marker;
SPItemCtx rctx;
- NRRect *vb;
+ Geom::Rect vb;
double x, y, width, height;
- NRMatrix q;
SPMarkerView *v;
item = SP_ITEM (object);
/* Copy parent context */
rctx.ctx = *ctx;
/* Initialize tranformations */
- rctx.i2doc = NR::identity();
- rctx.i2vp = NR::identity();
+ rctx.i2doc = Geom::identity();
+ rctx.i2vp = Geom::identity();
/* Set up viewport */
rctx.vp.x0 = 0.0;
rctx.vp.y0 = 0.0;
rctx.vp.y1 = marker->markerHeight.computed;
/* Start with identity transform */
- nr_matrix_set_identity (&marker->c2p);
+ marker->c2p.setIdentity();
/* Viewbox is always present, either implicitly or explicitly */
- if (marker->viewBox_set) {
- vb = &marker->viewBox;
+ if (marker->viewBox) {
+ vb = *marker->viewBox;
} else {
- vb = &rctx.vp;
+ vb = *(rctx.vp.upgrade_2geom());
}
/* Now set up viewbox transformation */
/* Determine actual viewbox in viewport coordinates */
} else {
double scalex, scaley, scale;
/* Things are getting interesting */
- scalex = (rctx.vp.x1 - rctx.vp.x0) / (vb->x1 - vb->x0);
- scaley = (rctx.vp.y1 - rctx.vp.y0) / (vb->y1 - vb->y0);
+ scalex = (rctx.vp.x1 - rctx.vp.x0) / (vb.width());
+ scaley = (rctx.vp.y1 - rctx.vp.y0) / (vb.height());
scale = (marker->aspect_clip == SP_ASPECT_MEET) ? MIN (scalex, scaley) : MAX (scalex, scaley);
- width = (vb->x1 - vb->x0) * scale;
- height = (vb->y1 - vb->y0) * scale;
+ width = (vb.width()) * scale;
+ height = (vb.height()) * scale;
/* Now place viewbox to requested position */
switch (marker->aspect_align) {
case SP_ASPECT_XMIN_YMIN:
break;
}
}
- /* Compose additional transformation from scale and position */
- q.c[0] = width / (vb->x1 - vb->x0);
- q.c[1] = 0.0;
- q.c[2] = 0.0;
- q.c[3] = height / (vb->y1 - vb->y0);
- q.c[4] = -vb->x0 * q.c[0] + x;
- q.c[5] = -vb->y0 * q.c[3] + y;
- /* Append viewbox transformation */
- nr_matrix_multiply (&marker->c2p, &q, &marker->c2p);
-
-
- /* Append reference translation */
- /* fixme: lala (Lauris) */
- nr_matrix_set_translate (&q, -marker->refX.computed, -marker->refY.computed);
- nr_matrix_multiply (&marker->c2p, &q, &marker->c2p);
+
+ // viewbox transformation and reference translation
+ marker->c2p = Geom::Translate(-marker->refX.computed, -marker->refY.computed) *
+ Geom::Scale(width / vb.width(), height / vb.height());
rctx.i2doc = marker->c2p * rctx.i2doc;
/* If viewBox is set reinitialize child viewport */
/* Otherwise it already correct */
- if (marker->viewBox_set) {
- rctx.vp.x0 = marker->viewBox.x0;
- rctx.vp.y0 = marker->viewBox.y0;
- rctx.vp.x1 = marker->viewBox.x1;
- rctx.vp.y1 = marker->viewBox.y1;
- rctx.i2vp = NR::identity();
+ if (marker->viewBox) {
+ rctx.vp.x0 = marker->viewBox->min()[Geom::X];
+ rctx.vp.y0 = marker->viewBox->min()[Geom::Y];
+ rctx.vp.x1 = marker->viewBox->max()[Geom::X];
+ rctx.vp.y1 = marker->viewBox->max()[Geom::Y];
+ rctx.i2vp = Geom::identity();
}
/* And invoke parent method */
/* As last step set additional transform of arena group */
for (v = marker->views; v != NULL; v = v->next) {
- for (unsigned i = 0 ; i < v->size ; i++) {
- if (v->items[i]) {
- nr_arena_group_set_child_transform(NR_ARENA_GROUP(v->items[i]), &marker->c2p);
- }
- }
+ for (unsigned i = 0 ; i < v->items.size() ; i++) {
+ if (v->items[i]) {
+ Geom::Matrix tmp = marker->c2p;
+ nr_arena_group_set_child_transform(NR_ARENA_GROUP(v->items[i]), &tmp);
+ }
+ }
}
}
-/**
+/**
* Writes the object's properties into its repr object.
*/
static Inkscape::XML::Node *
-sp_marker_write (SPObject *object, Inkscape::XML::Node *repr, guint flags)
+sp_marker_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
SPMarker *marker;
marker = SP_MARKER (object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
- repr = sp_repr_new ("svg:marker");
+ repr = xml_doc->createElement("svg:marker");
}
if (marker->markerUnits_set) {
repr->setAttribute("orient", NULL);
}
/* fixme: */
- repr->setAttribute("viewBox", object->repr->attribute("viewBox"));
- repr->setAttribute("preserveAspectRatio", object->repr->attribute("preserveAspectRatio"));
+ //XML Tree being used directly here while it shouldn't be....
+ repr->setAttribute("viewBox", object->getRepr()->attribute("viewBox"));
+ //XML Tree being used directly here while it shouldn't be....
+ repr->setAttribute("preserveAspectRatio", object->getRepr()->attribute("preserveAspectRatio"));
if (((SPObjectClass *) (parent_class))->write)
- ((SPObjectClass *) (parent_class))->write (object, repr, flags);
+ ((SPObjectClass *) (parent_class))->write (object, xml_doc, repr, flags);
return repr;
}
* This routine is disabled to break propagation.
*/
static NRArenaItem *
-sp_marker_private_show (SPItem *item, NRArena *arena, unsigned int key, unsigned int flags)
+sp_marker_private_show (SPItem */*item*/, NRArena */*arena*/, unsigned int /*key*/, unsigned int /*flags*/)
{
- /* Break propagation */
- return NULL;
+ /* Break propagation */
+ return NULL;
}
/**
* This routine is disabled to break propagation.
*/
static void
-sp_marker_private_hide (SPItem *item, unsigned int key)
+sp_marker_private_hide (SPItem */*item*/, unsigned int /*key*/)
{
- /* Break propagation */
+ /* Break propagation */
}
/**
* This routine is disabled to break propagation.
*/
static void
-sp_marker_bbox(SPItem const *, NRRect *, NR::Matrix const &, unsigned const)
+sp_marker_bbox(SPItem const *, NRRect *, Geom::Matrix const &, unsigned const)
{
/* Break propagation */
}
* This routine is disabled to break propagation.
*/
static void
-sp_marker_print (SPItem *item, SPPrintContext *ctx)
+sp_marker_print (SPItem */*item*/, SPPrintContext */*ctx*/)
{
- /* Break propagation */
+ /* Break propagation */
}
/* fixme: Remove link if zero-sized (Lauris) */
* This is called from sp_shape_update() for shapes that have markers. It
* removes the old view of the marker and establishes a new one, registering
* it with the marker's list of views for future updates.
- *
+ *
* \param marker Marker to create views in.
* \param key Key to give each SPMarkerView.
* \param size Number of NRArenaItems to put in the SPMarkerView.
void
sp_marker_show_dimension (SPMarker *marker, unsigned int key, unsigned int size)
{
- SPMarkerView *view;
- unsigned int i;
-
- for (view = marker->views; view != NULL; view = view->next) {
- if (view->key == key) break;
- }
- if (view && (view->size != size)) {
- /* Free old view and allocate new */
- /* Parent class ::hide method */
- ((SPItemClass *) parent_class)->hide ((SPItem *) marker, key);
- sp_marker_view_remove (marker, view, TRUE);
- view = NULL;
- }
- if (!view) {
- view = (SPMarkerView *)g_malloc (sizeof (SPMarkerView) + (size) * sizeof (NRArenaItem *));
- for (i = 0; i < size; i++) view->items[i] = NULL;
- view->next = marker->views;
- marker->views = view;
- view->key = key;
- view->size = size;
- }
+ SPMarkerView *view;
+ unsigned int i;
+
+ for (view = marker->views; view != NULL; view = view->next) {
+ if (view->key == key) break;
+ }
+ if (view && (view->items.size() != size)) {
+ /* Free old view and allocate new */
+ /* Parent class ::hide method */
+ ((SPItemClass *) parent_class)->hide ((SPItem *) marker, key);
+ sp_marker_view_remove (marker, view, TRUE);
+ view = NULL;
+ }
+ if (!view) {
+ view = new SPMarkerView();
+ view->items.clear();
+ for (i = 0; i < size; i++) {
+ view->items.push_back(NULL);
+ }
+ view->next = marker->views;
+ marker->views = view;
+ view->key = key;
+ }
}
-/**
+/**
* Shows an instance of a marker. This is called during sp_shape_update_marker_view()
* show and transform a child item in the arena for all views with the given key.
*/
NRArenaItem *
-sp_marker_show_instance (SPMarker *marker, NRArenaItem *parent,
- unsigned int key, unsigned int pos,
- NR::Matrix const &base, float linewidth)
+sp_marker_show_instance ( SPMarker *marker, NRArenaItem *parent,
+ unsigned int key, unsigned int pos,
+ Geom::Matrix const &base, float linewidth)
{
- for (SPMarkerView *v = marker->views; v != NULL; v = v->next) {
- if (v->key == key) {
- if (pos >= v->size) {
- return NULL;
- }
- if (!v->items[pos]) {
- /* Parent class ::show method */
- v->items[pos] = ((SPItemClass *) parent_class)->show ((SPItem *) marker,
- parent->arena, key,
- SP_ITEM_REFERENCE_FLAGS);
- if (v->items[pos]) {
- /* fixme: Position (Lauris) */
- nr_arena_item_add_child (parent, v->items[pos], NULL);
- /* nr_arena_item_unref (v->items[pos]); */
- nr_arena_group_set_child_transform((NRArenaGroup *) v->items[pos], &marker->c2p);
- }
- }
- if (v->items[pos]) {
- NR::Matrix m;
- if (marker->orient_auto) {
- m = base;
- } else {
- /* fixme: Orient units (Lauris) */
- m = NR::Matrix(rotate_degrees(marker->orient));
- m *= get_translation(base);
- }
- if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
- m = NR::scale(linewidth) * m;
- }
-
- nr_arena_item_set_transform(v->items[pos], m);
- }
- return v->items[pos];
- }
- }
-
- return NULL;
+ for (SPMarkerView *v = marker->views; v != NULL; v = v->next) {
+ if (v->key == key) {
+ if (pos >= v->items.size()) {
+ return NULL;
+ }
+ if (!v->items[pos]) {
+ /* Parent class ::show method */
+ v->items[pos] = ((SPItemClass *) parent_class)->show ((SPItem *) marker,
+ parent->arena, key,
+ SP_ITEM_REFERENCE_FLAGS);
+ if (v->items[pos]) {
+ /* fixme: Position (Lauris) */
+ nr_arena_item_add_child (parent, v->items[pos], NULL);
+ /* nr_arena_item_unref (v->items[pos]); */
+ Geom::Matrix tmp = marker->c2p;
+ nr_arena_group_set_child_transform((NRArenaGroup *) v->items[pos], &tmp);
+ }
+ }
+ if (v->items[pos]) {
+ Geom::Matrix m;
+ if (marker->orient_auto) {
+ m = base;
+ } else {
+ /* fixme: Orient units (Lauris) */
+ m = Geom::Rotate::from_degrees(marker->orient);
+ m *= Geom::Translate(base.translation());
+ }
+ if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
+ m = Geom::Scale(linewidth) * m;
+ }
+
+ nr_arena_item_set_transform(v->items[pos], m);
+ }
+ return v->items[pos];
+ }
+ }
+
+ return NULL;
}
/**
}
/**
- * Removes a given view. Also will destroy sub-items in the view if destroyitems
+ * Removes a given view. Also will destroy sub-items in the view if destroyitems
* is set to a non-zero value.
*/
static void
@@ -702,10 +701,59 @@ sp_marker_view_remove (SPMarker *marker, SPMarkerView *view, unsigned int destro
v->next = view->next;
}
if (destroyitems) {
- for (i = 0; i < view->size; i++) {
+ for (i = 0; i < view->items.size(); i++) {
/* We have to walk through the whole array because there may be hidden items */
if (view->items[i]) nr_arena_item_unref (view->items[i]);
}
}
- g_free (view);
+ view->items.clear();
+ delete view;
+}
+
+const gchar *generate_marker(GSList *reprs, Geom::Rect bounds, SPDocument *document, Geom::Matrix /*transform*/, Geom::Matrix move)
+{
+ Inkscape::XML::Document *xml_doc = document->getReprDoc();
+ Inkscape::XML::Node *defsrepr = SP_DOCUMENT_DEFS(document)->getRepr();
+
+ Inkscape::XML::Node *repr = xml_doc->createElement("svg:marker");
+
+ // Uncommenting this will make the marker fixed-size independent of stroke width.
+ // Commented out for consistency with standard markers which scale when you change
+ // stroke width:
+ //repr->setAttribute("markerUnits", "userSpaceOnUse");
+
+ sp_repr_set_svg_double(repr, "markerWidth", bounds.dimensions()[Geom::X]);
+ sp_repr_set_svg_double(repr, "markerHeight", bounds.dimensions()[Geom::Y]);
+
+ repr->setAttribute("orient", "auto");
+
+ defsrepr->appendChild(repr);
+ const gchar *mark_id = repr->attribute("id");
+ SPObject *mark_object = document->getObjectById(mark_id);
+
+ for (GSList *i = reprs; i != NULL; i = i->next) {
+ Inkscape::XML::Node *node = (Inkscape::XML::Node *)(i->data);
+ SPItem *copy = SP_ITEM(mark_object->appendChildRepr(node));
+
+ Geom::Matrix dup_transform;
+ if (!sp_svg_transform_read (node->attribute("transform"), &dup_transform))
+ dup_transform = Geom::identity();
+ dup_transform *= move;
+
+ copy->doWriteTransform(SP_OBJECT_REPR(copy), dup_transform);
+ }
+
+ Inkscape::GC::release(repr);
+ return mark_id;
}
+
+/*
+ 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 :