merge mirror improvements

(bzr r15295.1.41)

1 files changed, 272 insertions, 7 deletions

diff --git a/src/live_effects/lpe-clone-original.cpp b/src/live_effects/lpe-clone-original.cpp
index 10418a02d..76cc56b8f 100644
--- a/src/live_effects/lpe-clone-original.cpp
+++ b/src/live_effects/lpe-clone-original.cpp
@@ -6,6 +6,12 @@
 
 #include "live_effects/lpe-clone-original.h"
 #include "display/curve.h"
+#include "svg/path-string.h"
+#include "svg/svg.h"
+#include "sp-clippath.h"
+#include "sp-mask.h"
+#include "xml/sp-css-attr.h"
+
 // TODO due to internal breakage in glibmm headers, this must be last:
 #include <glibmm/i18n.h>
 
@@ -14,9 +20,258 @@ namespace LivePathEffect {
 
 LPECloneOriginal::LPECloneOriginal(LivePathEffectObject *lpeobject) :
     Effect(lpeobject),
-    linked_path(_("Linked path:"), _("Path from which to take the original path data"), "linkedpath", &wr, this)
+    linked_path("LEGACY FALLBACK", "LEGACY FALLBACK", "linkedpath", &wr, this),
+    linked_item(_("Linked Item:"), _("Item from which to take the original data"), "linked_item", &wr, this),
+    scale(_("Scale %"), _("Scale item %"), "scale", &wr, this, 100.0),
+    preserve_position(_("Preserve position"), _("Preserve position"), "preserve_position", &wr, this, false),
+    use_center(_("Relative center of element"), _("Relative center of element"), "use_center", &wr, this, true),
+    attributes("Attributes linked", "Attributes linked", "attributes", &wr, this,""),
+    style_attributes("Style attributes linked", "Style attributes linked", "style_attributes", &wr, this,"")
+{
+    registerParameter(&linked_path);
+    registerParameter(&linked_item);
+    registerParameter(&scale);
+    registerParameter(&attributes);
+    registerParameter(&style_attributes);
+    registerParameter(&preserve_position);
+    registerParameter(&use_center);
+    scale.param_set_range(0.01, 999999.0);
+    scale.param_set_increments(1, 1);
+    scale.param_set_digits(2);
+    attributes.param_hide_canvas_text();
+    style_attributes.param_hide_canvas_text();
+    preserve_position_changed = preserve_position;
+    preserve_affine = Geom::identity();
+}
+
+bool hasLinkedTransform( const char * attributes) {
+    gchar ** attarray = g_strsplit(attributes, ",", 0);
+    gchar ** iter = attarray;
+    bool has_linked_transform = false;
+    while (*iter != NULL) {
+        const char* attribute = (*iter);
+        if ( std::strcmp(attribute, "transform") == 0 ) {
+            has_linked_transform = true;
+        }
+        iter++;
+    }
+    return has_linked_transform;
+}
+
+void
+LPECloneOriginal::cloneAttrbutes(SPObject *origin, SPObject *dest, bool live, const char * attributes, const char * style_attributes, bool root) 
+{
+    SPDocument * document = SP_ACTIVE_DOCUMENT;
+    if ( SP_IS_GROUP(origin) && SP_IS_GROUP(dest) && SP_GROUP(origin)->getItemCount() == SP_GROUP(dest)->getItemCount() ) {
+        std::vector< SPObject * > childs = origin->childList(true);
+        size_t index = 0;
+        for (std::vector<SPObject * >::iterator obj_it = childs.begin(); 
+             obj_it != childs.end(); ++obj_it) {
+            SPObject *dest_child = dest->nthChild(index); 
+            cloneAttrbutes((*obj_it), dest_child, live, attributes, style_attributes, false); 
+            index++;
+        }
+    }
+    //Attributes
+    SPShape * shape_origin =  SP_SHAPE(origin);
+    SPPath * path_origin =  SP_PATH(origin);
+    SPShape * shape_dest =  SP_SHAPE(dest);
+    SPMask *mask_origin = SP_ITEM(origin)->mask_ref->getObject();
+    SPMask *mask_dest = SP_ITEM(dest)->mask_ref->getObject();
+    if(mask_origin && mask_dest) {
+        std::vector<SPObject*> mask_list = mask_origin->childList(true);
+        std::vector<SPObject*> mask_list_dest = mask_dest->childList(true);
+        if (mask_list.size() == mask_list_dest.size()) {
+            size_t i = 0;
+            for ( std::vector<SPObject*>::const_iterator iter=mask_list.begin();iter!=mask_list.end();++iter) {
+                SPObject * mask_data = *iter;
+                SPObject * mask_dest_data = mask_list_dest[i];
+                cloneAttrbutes(mask_data, mask_dest_data, live, attributes, style_attributes, false);
+                i++;
+            }
+        }
+    }
+    SPClipPath *clippath_origin = SP_ITEM(origin)->clip_ref->getObject();
+    SPClipPath *clippath_dest = SP_ITEM(dest)->clip_ref->getObject();
+    if(clippath_origin && clippath_dest) {
+        std::vector<SPObject*> clippath_list = clippath_origin->childList(true);
+        std::vector<SPObject*> clippath_list_dest = clippath_dest->childList(true);
+        if (clippath_list.size() == clippath_list_dest.size()) {
+            size_t i = 0;
+            for ( std::vector<SPObject*>::const_iterator iter=clippath_list.begin();iter!=clippath_list.end();++iter) {
+                SPObject * clippath_data = *iter;
+                SPObject * clippath_dest_data = clippath_list_dest[i];
+                cloneAttrbutes(clippath_data, clippath_dest_data, live, attributes, style_attributes, false);
+                i++;
+            }
+        }
+    }
+    gchar ** attarray = g_strsplit(attributes, ",", 0);
+    gchar ** iter = attarray;
+    Geom::Affine affine_dest = Geom::identity();
+    Geom::Affine affine_origin = Geom::identity();
+    Geom::Affine affine_previous = Geom::identity();
+    sp_svg_transform_read(SP_ITEM(dest)->getAttribute("transform"), &affine_dest);
+    sp_svg_transform_read(SP_ITEM(origin)->getAttribute("transform"), &affine_origin);
+    while (*iter != NULL) {
+        const char* attribute = (*iter);
+        if ( std::strcmp(attribute, "transform") == 0 ) {
+            if (preserve_position) {
+                Geom::Affine dest_affine = Geom::identity();
+                if (root) {
+                    dest_affine *= affine_origin;
+                    if (preserve_affine == Geom::identity()) {
+                        dest_affine *= Geom::Translate(affine_dest.translation());
+                    }
+                    dest_affine *= Geom::Translate(affine_origin.translation()).inverse();
+                    dest_affine *= Geom::Translate(preserve_affine.translation());
+                    affine_previous = preserve_affine;
+                    preserve_affine = Geom::identity();
+                    SP_ITEM(dest)->getRepr()->setAttribute("transform",sp_svg_transform_write(dest_affine));
+                }
+            } else {
+                SP_ITEM(dest)->getRepr()->setAttribute("transform",sp_svg_transform_write(affine_origin));
+            }
+        } else if ( shape_dest && shape_origin && live && (std::strcmp(attribute, "d") == 0 || std::strcmp(attribute, "inkscape:original-d") == 0)) {
+            SPCurve *c = NULL;
+            if (std::strcmp(attribute, "d") == 0) {
+                c = shape_origin->getCurve();
+            } else {
+                c = shape_origin->getCurveBeforeLPE();
+            }
+            if (c) {
+                Geom::PathVector c_pv = c->get_pathvector();
+                Geom::OptRect orig_bbox = SP_ITEM(origin)->geometricBounds();
+                Geom::OptRect dest_bbox = SP_ITEM(dest)->geometricBounds();
+                if (dest_bbox && orig_bbox && root) {
+                    Geom::Point orig_point = (*orig_bbox).corner(0);
+                    Geom::Point dest_point = (*dest_bbox).corner(0);
+                    if (use_center) {
+                        orig_point = (*orig_bbox).midpoint();
+                        dest_point = (*dest_bbox).midpoint();
+                    }
+                    if (scale != 100.0) {
+                        double scale_affine = scale/100.0;
+                        Geom::Scale scale = Geom::Scale(scale_affine);
+                        c_pv *= Geom::Translate(orig_point).inverse();
+                        c_pv *= scale;
+                        c_pv *= Geom::Translate(orig_point);
+                    }
+                    if (preserve_position && hasLinkedTransform(attributes)) {
+                        c_pv *= Geom::Translate(dest_point - orig_point);
+                    }
+                }
+                c_pv *= i2anc_affine(dest, sp_lpe_item);
+                c->set_pathvector(c_pv);
+                if (!path_origin) {
+                    shape_dest->setCurveInsync(c, TRUE);
+                    dest->getRepr()->setAttribute(attribute, sp_svg_write_path(c_pv));
+                } else {
+                    shape_dest->setCurve(c, TRUE);
+                }
+                c->unref();
+            } else {
+                dest->getRepr()->setAttribute(attribute, NULL);
+            }
+        } else {
+            dest->getRepr()->setAttribute(attribute, origin->getRepr()->attribute(attribute));
+        }
+        iter++;
+    }
+    g_strfreev (attarray);
+    SPCSSAttr *css_origin = sp_repr_css_attr_new();
+    sp_repr_css_attr_add_from_string(css_origin, origin->getRepr()->attribute("style"));
+    SPCSSAttr *css_dest = sp_repr_css_attr_new();
+    sp_repr_css_attr_add_from_string(css_dest, dest->getRepr()->attribute("style"));
+    gchar ** styleattarray = g_strsplit(style_attributes, ",", 0);
+    gchar ** styleiter = styleattarray;
+    while (*styleiter != NULL) {
+        const char* attribute = (*styleiter);
+        const char* origin_attribute = sp_repr_css_property(css_origin, attribute, "");
+        if (origin_attribute == "") {
+            sp_repr_css_set_property (css_dest, attribute, NULL);
+        } else {
+            sp_repr_css_set_property (css_dest, attribute, origin_attribute);
+        }
+        styleiter++;
+    }
+    g_strfreev (styleattarray);
+    Glib::ustring css_str;
+    sp_repr_css_write_string(css_dest,css_str);
+    dest->getRepr()->setAttribute("style", css_str.c_str());
+}
+
+void
+LPECloneOriginal::doBeforeEffect (SPLPEItem const* lpeitem){
+    original_bbox(lpeitem);
+    if (linked_path.linksToPath()) { //Legacy staff
+        Glib::ustring attributes_value("d");
+        attributes.param_setValue(attributes_value);
+        attributes.write_to_SVG();
+        Glib::ustring style_attributes_value("");
+        style_attributes.param_setValue(style_attributes_value);
+        style_attributes.write_to_SVG();
+        linked_item.param_readSVGValue(linked_path.param_getSVGValue());
+        linked_path.param_readSVGValue("");
+    }
+
+    if (linked_item.linksToItem()) {
+         if ( preserve_position_changed != preserve_position ) {
+            if (!preserve_position) {
+                sp_svg_transform_read(SP_ITEM(sp_lpe_item)->getAttribute("transform"), &preserve_affine);
+            }
+            preserve_position_changed = preserve_position;
+        }
+        cloneAttrbutes(linked_item.getObject(), SP_OBJECT(sp_lpe_item), true, attributes.param_getSVGValue(), style_attributes.param_getSVGValue(), true);
+    }
+}
+
+
+Gtk::Widget *
+LPECloneOriginal::newWidget()
 {
-    registerParameter( dynamic_cast<Parameter *>(&linked_path) );
+    // use manage here, because after deletion of Effect object, others might
+    // still be pointing to this widget.
+    Gtk::VBox *vbox = Gtk::manage(new Gtk::VBox(Effect::newWidget()));
+    vbox->set_border_width(5);
+    vbox->set_homogeneous(false);
+    vbox->set_spacing(2);
+
+    std::vector<Parameter *>::iterator it = param_vector.begin();
+    while (it != param_vector.end()) {
+        if ((*it)->widget_is_visible) {
+            Parameter * param = *it;
+            if (param->param_key == "linkedpath") {
+                ++it;
+                continue;
+            }
+            Gtk::Widget * widg = param->param_newWidget();
+            Glib::ustring * tip = param->param_getTooltip();
+            if (widg) {
+                vbox->pack_start(*widg, true, true, 2);
+                if (tip) {
+                    widg->set_tooltip_text(*tip);
+                } else {
+                    widg->set_tooltip_text("");
+                    widg->set_has_tooltip(false);
+                }
+            }
+        }
+
+        ++it;
+    }
+    this->upd_params = false;
+    return dynamic_cast<Gtk::Widget *>(vbox);
+}
+
+void
+LPECloneOriginal::doOnApply(SPLPEItem const* lpeitem){
+    Glib::ustring attributes_value("d,transform");
+    attributes.param_setValue(attributes_value);
+    attributes.write_to_SVG();
+    Glib::ustring style_attributes_value("opacity,stroke-width");
+    style_attributes.param_setValue(style_attributes_value);
+    style_attributes.write_to_SVG();
 }
 
 LPECloneOriginal::~LPECloneOriginal()
@@ -24,12 +279,22 @@ LPECloneOriginal::~LPECloneOriginal()
 
 }
 
-void LPECloneOriginal::doEffect (SPCurve * curve)
+void
+LPECloneOriginal::transform_multiply(Geom::Affine const& postmul, bool set)
+{
+    if (linked_item.linksToItem()) {
+        bool changed = false;
+        linked_item.getObject()->requestModified(SP_OBJECT_MODIFIED_FLAG);
+    }
+}
+
+void 
+LPECloneOriginal::doEffect (SPCurve * curve)
 {
-    if ( linked_path.linksToPath() ) {
-        Geom::PathVector linked_pathv = linked_path.get_pathvector();
-        if ( !linked_pathv.empty() ) {
-            curve->set_pathvector(linked_pathv);
+    if (linked_item.linksToItem()) {
+        SPShape * shape = getCurrentShape();
+        if(shape){
+            curve->set_pathvector(shape->getCurve()->get_pathvector());
         }
     }
 }