Working on powermask LPE

(bzr r15722)

1 files changed, 124 insertions, 57 deletions

diff --git a/src/live_effects/lpe-powermask.cpp b/src/live_effects/lpe-powermask.cpp
index bbe0dff40..a49d4c493 100644
--- a/src/live_effects/lpe-powermask.cpp
+++ b/src/live_effects/lpe-powermask.cpp
@@ -11,6 +11,7 @@
 #include "sp-path.h"
 #include "sp-shape.h"
 #include "sp-defs.h"
+#include "style.h"
 #include "sp-item-group.h"
 #include "svg/svg.h"
 #include "ui/tools-switch.h"
@@ -24,10 +25,21 @@ namespace LivePathEffect {
 
 LPEPowerMask::LPEPowerMask(LivePathEffectObject *lpeobject)
     : Effect(lpeobject),
-    inverse(_("Inverse mask"), _("Inverse mask"), "inverse", &wr, this, false)
+    invert(_("Invert mask"), _("Invert mask"), "invert", &wr, this, false),
+    wrap(_("Wrap filtered clip data"), _("Wrap filtered clip data"), "wrap", &wr, this, false),
+    background(_("Add background to mask"), _("Add background to mask"), "background", &wr, this, false),
+    background_style(_("Background Style"), _("CSS to background"), "background_style", &wr, this,"fill:#ffffff;opacity:0.7;")
+   
 {
-    registerParameter(&inverse);
+    registerParameter(&invert);
+    registerParameter(&wrap);
+    registerParameter(&background);
+    registerParameter(&background_style);
+    background_style.param_hide_canvas_text();
     hide_mask = false;
+    previous_invert = !invert;
+    previous_wrap = !wrap;
+    previous_background_style = "";
 }
 
 LPEPowerMask::~LPEPowerMask() {}
@@ -35,7 +47,7 @@ LPEPowerMask::~LPEPowerMask() {}
 void
 LPEPowerMask::doBeforeEffect (SPLPEItem const* lpeitem){
     original_bbox(lpeitem);
-    const Glib::ustring uri = (Glib::ustring)sp_lpe_item->getRepr()->attribute("mask-path");
+    const Glib::ustring uri = (Glib::ustring)sp_lpe_item->getRepr()->attribute("mask");
     SPMask *mask = SP_ITEM(lpeitem)->mask_ref->getObject();
     Geom::Point topleft      = Geom::Point(boundingbox_X.min() - 5,boundingbox_Y.max() + 5);
     Geom::Point topright     = Geom::Point(boundingbox_X.max() + 5,boundingbox_Y.max() + 5);
@@ -49,12 +61,12 @@ LPEPowerMask::doBeforeEffect (SPLPEItem const* lpeitem){
     mask_box.close();
     //mask *= sp_lpe_item->i2dt_affine();
     if(mask) {
-        setInverse();
+        setMask();
     }
 }
 
 void
-LPEPowerMask::setInverse(){
+LPEPowerMask::setMask(){
     SPMask *mask = SP_ITEM(sp_lpe_item)->mask_ref->getObject();
     SPObject *elemref = NULL;
     SPDocument * document = SP_ACTIVE_DOCUMENT;
@@ -65,55 +77,111 @@ LPEPowerMask::setInverse(){
     Inkscape::XML::Node *box = NULL;
     Inkscape::XML::Node *filter = NULL;
     SPDefs * defs = document->getDefs();
-    if (inverse) {
-//        if (!(elemref = document->getObjectById((Glib::ustring)mask->getId() + (Glib::ustring)"_transparentbox"))) {
-//            std::vector<SPObject*> mask_list = mask->childList(true);
-//            box = xml_doc->createElement("svg:path");
-//            box->setAttribute("id", (Glib::ustring)mask->getId() + (Glib::ustring)"_transparentbox");
-//            box->setAttribute("style", "fill:#000");
-//            gchar * box_str = sp_svg_write_path( mask_box );
-//            box->setAttribute("d" , box_str);
-//            g_free(box_str);
-//            elemref = mask->appendChildRepr(box);
-//            box->setPosition(mask_list.size());
-//            Inkscape::GC::release(box);
-//            mask_list.clear();
-//        }
-//        if (!(elemref = document->getObjectById((Glib::ustring)mask->getId() + (Glib::ustring)"_inverse"))) {
-//            filter = xml_doc->createElement("svg:filter");
-//            filter->setAttribute("id", (Glib::ustring)mask->getId() + (Glib::ustring)"_inverse");
-//            filter->setAttribute("color-interpolation-filters", "sRGB");
-//            filter->setAttribute("height", "100");
-//            filter->setAttribute("width", "100");
-//            filter->setAttribute("x", "-50");
-//            filter->setAttribute("y", "-50");
-//            Inkscape::XML::Node *primitive1 =  xml_doc->createElement("svg:feColorMatrix");
-//            primitive1->setAttribute("id", (Glib::ustring)mask->getId() + (Glib::ustring)"_primitive1");
-//            primitive1->setAttribute("values", "1");
-//            primitive1->setAttribute("type", "saturate");
-//            primitive1->setAttribute("result", "fbSourceGraphic");
-//            Inkscape::XML::Node *primitive2 =  xml_doc->createElement("svg:feColorMatrix");
-//            primitive2->setAttribute("id", (Glib::ustring)mask->getId() + (Glib::ustring)"_primitive2");
-//            primitive2->setAttribute("values", "-1 0 0 0 1 0 -1 0 0 1 0 0 -1 0 1 0 0 0 1 0 ");
-//            primitive2->setAttribute("in", "fbSourceGraphic");
-//            elemref = defs->appendChildRepr(filter);
-//            filter->appendChild(primitive1);
-//            filter->appendChild(primitive2);
-//            Inkscape::GC::release(filter);
-//            Inkscape::GC::release(primitive1);
-//            Inkscape::GC::release(primitive2);
-//        }
-//        mask->getRepr()->setAttribute("css", (Glib::ustring)"filter:#" + (Glib::ustring)mask->getId() + (Glib::ustring)"_inverse");
+    Glib::ustring mask_id = (Glib::ustring)mask->getId();
+    Glib::ustring box_id = mask_id + (Glib::ustring)"_transparentbox";
+    Glib::ustring filter_id = mask_id + (Glib::ustring)"_inverse";
+    Glib::ustring filter_uri = (Glib::ustring)"url(#" + mask_id + (Glib::ustring)"_inverse)";
+    if (previous_invert != invert || previous_wrap != wrap) {
+        if (invert) {
+            if (!(elemref = document->getObjectById(filter_id))) {
+                filter = xml_doc->createElement("svg:filter");
+                filter->setAttribute("id", filter_id.c_str());
+                filter->setAttribute("color-interpolation-filters", "sRGB");
+                filter->setAttribute("height", "100");
+                filter->setAttribute("width", "100");
+                filter->setAttribute("x", "-50");
+                filter->setAttribute("y", "-50");
+                Inkscape::XML::Node *primitive1 =  xml_doc->createElement("svg:feColorMatrix");
+                Glib::ustring primitive1_id = (mask_id + (Glib::ustring)"_primitive1").c_str();
+                primitive1->setAttribute("id", primitive1_id.c_str());
+                primitive1->setAttribute("values", "1");
+                primitive1->setAttribute("type", "saturate");
+                primitive1->setAttribute("result", "fbSourceGraphic");
+                Inkscape::XML::Node *primitive2 =  xml_doc->createElement("svg:feColorMatrix");
+                Glib::ustring primitive2_id = (mask_id + (Glib::ustring)"_primitive2").c_str();
+                primitive2->setAttribute("id", primitive2_id.c_str());
+                primitive2->setAttribute("values", "-1 0 0 0 1 0 -1 0 0 1 0 0 -1 0 1 0 0 0 1 0 ");
+                primitive2->setAttribute("in", "fbSourceGraphic");
+                elemref = defs->appendChildRepr(filter);
+                filter->appendChild(primitive1);
+                filter->appendChild(primitive2);
+                Inkscape::GC::release(filter);
+                Inkscape::GC::release(primitive1);
+                Inkscape::GC::release(primitive2);
+            }
+        } else {
+            if ((elemref = document->getObjectById(filter_id))) {
+                elemref->deleteObject(true);
+            }
+            filter_uri = "";
+        }
+        std::vector<SPObject*> mask_list = mask->childList(true);
+        for ( std::vector<SPObject*>::const_iterator iter=mask_list.begin();iter!=mask_list.end();++iter) {
+            SPItem * mask_data = SP_ITEM(*iter);
+            if (! strcmp(mask_data->getId(), box_id.c_str())){
+                continue;
+            }
+            Glib::ustring mask_data_id = (Glib::ustring)mask_data->getId();
+            SPCSSAttr *css = sp_repr_css_attr_new();
+            if(mask_data->getRepr()->attribute("style")) {
+                sp_repr_css_attr_add_from_string(css, mask_data->getRepr()->attribute("style"));
+            }
+            char const* filter = sp_repr_css_property (css, "filter", "");
+            if(!filter ||! strcmp(filter, filter_uri.c_str())) {
+                if (filter_uri.empty()) {
+                    sp_repr_css_set_property (css, "filter", NULL);
+                } else {
+                    sp_repr_css_set_property (css, "filter", filter_uri.c_str());
+                }
+                Glib::ustring css_str;
+                sp_repr_css_write_string(css, css_str);
+                mask_data->getRepr()->setAttribute("style", css_str.c_str());
+            } else if(wrap){
+                Glib::ustring g_data_id = mask_data_id + (Glib::ustring)"_container";
+                Inkscape::XML::Node * container = xml_doc->createElement("svg:g");
+                container->setAttribute("id", g_data_id.c_str());
+                mask->appendChildRepr(container);
+                container->setPosition(mask_data->getPosition());
+                container->appendChild(mask_data->getRepr());
+                Inkscape::GC::release(container);
+                SPCSSAttr *css = sp_repr_css_attr_new();
+                if (filter_uri.empty()) {
+                    sp_repr_css_set_property (css, "filter", NULL);
+                } else {
+                    sp_repr_css_set_property (css, "filter", filter_uri.c_str());
+                }
+                Glib::ustring css_str;
+                sp_repr_css_write_string(css, css_str);
+                container->setAttribute("style", css_str.c_str());
+            }
+        }
+    }
+    if (background) {
+        if ((elemref = document->getObjectById(box_id))) {
+            if (strcmp(previous_background_style, background_style.param_getSVGValue())) {
+                elemref->getRepr()->setAttribute("style", background_style.param_getSVGValue());
+            }
+        } else {
+            std::vector<SPObject*> mask_list = mask->childList(true);
+            box = xml_doc->createElement("svg:path");
+            box->setAttribute("id", box_id.c_str());
+            box->setAttribute("style", background_style.param_getSVGValue());
+            gchar * box_str = sp_svg_write_path( mask_box );
+            box->setAttribute("d" , box_str);
+            g_free(box_str);
+            elemref = mask->appendChildRepr(box);
+            box->setPosition(mask_list.size());
+            Inkscape::GC::release(box);
+            mask_list.clear();
+        }
     } else {
-//        if ((elemref = document->getObjectById((Glib::ustring)mask->getId() + (Glib::ustring)"_transparentbox"))) {
-//            elemref->deleteObject(true);
-//        }
-
-//        if ((elemref = document->getObjectById((Glib::ustring)mask->getId() + (Glib::ustring)"_inverse"))) {
-//            elemref->deleteObject(true);
-//        }
-        //mask->getRepr()->setAttribute("css", NULL);
+        if ((elemref = document->getObjectById(box_id))) {
+            elemref->deleteObject(true);
+        }
     }
+    previous_invert = invert;
+    previous_wrap = wrap;
+    previous_background_style = background_style.param_getSVGValue();
 }
 
 void
@@ -161,9 +229,6 @@ LPEPowerMask::newWidget()
         if ((*it)->widget_is_visible) {
             Parameter * param = *it;
             Gtk::Widget * widg = dynamic_cast<Gtk::Widget *>(param->param_newWidget());
-            if(param->param_key == "grid") {
-                widg = NULL;
-            }
             Glib::ustring * tip = param->param_getTooltip();
             if (widg) {
                 vbox->pack_start(*widg, true, true, 2);
@@ -193,8 +258,10 @@ LPEPowerMask::doOnRemove (SPLPEItem const* /*lpeitem*/)
     SPMask *mask = SP_ITEM(sp_lpe_item)->mask_ref->getObject();
     if(!keep_paths) {
         if(mask) {
-            inverse.param_setValue(false);
-            setInverse();
+            invert.param_setValue(false);
+            wrap.param_setValue(false);
+            background.param_setValue(false);
+            setMask();
         }
     }
 }