X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fsp-item.cpp;h=338a70c4ed4b838866151848821a4ce8b81ced9e;hb=03a65c733a473cd92d50132961d02c3910417f72;hp=0e45bc7f43df067a961ba81326effdf2cc51ddcd;hpb=e30b526d9a4757f40ffb7a45f9fa83dba9bc4c5c;p=inkscape.git diff --git a/src/sp-item.cpp b/src/sp-item.cpp index 0e45bc7f4..338a70c4e 100644 --- a/src/sp-item.cpp +++ b/src/sp-item.cpp @@ -7,8 +7,9 @@ * Authors: * Lauris Kaplinski * bulia byak + * Johan Engelen * - * Copyright (C) 2001-2005 authors + * Copyright (C) 2001-2006 authors * Copyright (C) 2001 Ximian, Inc. * * Released under GNU GPL, read the file 'COPYING' for more information @@ -44,9 +45,12 @@ #include "sp-text.h" #include "sp-item-rm-unsatisfied-cns.h" #include "sp-pattern.h" +#include "sp-switch.h" #include "gradient-chemistry.h" #include "prefs-utils.h" #include "conn-avoid-ref.h" +#include "conditions.h" +#include "sp-filter-reference.h" #include "libnr/nr-matrix-div.h" #include "libnr/nr-matrix-fns.h" @@ -58,6 +62,7 @@ #include "util/reverse-list.h" #include "xml/repr.h" +#include "extract-uri.h" #define noSP_ITEM_DEBUG_IDLE @@ -130,34 +135,35 @@ sp_item_class_init(SPItemClass *klass) static void sp_item_init(SPItem *item) { - SPObject *object = SP_OBJECT(item); + item->init(); +} - item->sensitive = TRUE; +void SPItem::init() { + this->sensitive = TRUE; - item->transform_center_x = 0; - item->transform_center_y = 0; + this->transform_center_x = 0; + this->transform_center_y = 0; - item->transform = NR::identity(); + this->_is_evaluated = true; + this->_evaluated_status = StatusUnknown; - item->display = NULL; + this->transform = NR::identity(); - item->clip_ref = new SPClipPathReference(SP_OBJECT(item)); - { - sigc::signal cs1=item->clip_ref->changedSignal(); - sigc::slot2 sl1=sigc::bind(sigc::ptr_fun(clip_ref_changed), item); - cs1.connect(sl1); - } + this->display = NULL; - item->mask_ref = new SPMaskReference(SP_OBJECT(item)); - sigc::signal cs2=item->mask_ref->changedSignal(); - sigc::slot2 sl2=sigc::bind(sigc::ptr_fun(mask_ref_changed), item); - cs2.connect(sl2); + this->clip_ref = new SPClipPathReference(this); + sigc::signal cs1=this->clip_ref->changedSignal(); + sigc::slot2 sl1=sigc::bind(sigc::ptr_fun(clip_ref_changed), this); + _clip_ref_connection = cs1.connect(sl1); - if (!object->style) object->style = sp_style_new_from_object(SP_OBJECT(item)); + this->mask_ref = new SPMaskReference(this); + sigc::signal cs2=this->mask_ref->changedSignal(); + sigc::slot2 sl2=sigc::bind(sigc::ptr_fun(mask_ref_changed), this); + _mask_ref_connection = cs2.connect(sl2); - item->avoidRef = new SPAvoidRef(item); + this->avoidRef = new SPAvoidRef(this); - new (&item->_transformed_signal) sigc::signal(); + new (&this->_transformed_signal) sigc::signal(); } bool SPItem::isVisibleAndUnlocked() const { @@ -183,6 +189,8 @@ void SPItem::setLocked(bool locked) { } bool SPItem::isHidden() const { + if (!isEvaluated()) + return true; return style->display.computed == SP_CSS_DISPLAY_NONE; } @@ -195,6 +203,8 @@ void SPItem::setHidden(bool hide) { } bool SPItem::isHidden(unsigned display_key) const { + if (!isEvaluated()) + return true; for ( SPItemView *view(display) ; view ; view = view->next ) { if ( view->key == display_key ) { g_assert(view->arenaitem != NULL); @@ -211,6 +221,34 @@ bool SPItem::isHidden(unsigned display_key) const { return true; } +void SPItem::setEvaluated(bool evaluated) { + _is_evaluated = evaluated; + _evaluated_status = StatusSet; +} + +void SPItem::resetEvaluated() { + if ( StatusCalculated == _evaluated_status ) { + _evaluated_status = StatusUnknown; + bool oldValue = _is_evaluated; + if ( oldValue != isEvaluated() ) { + requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG); + } + } if ( StatusSet == _evaluated_status ) { + SPObject const *const parent = SP_OBJECT_PARENT(this); + if (SP_IS_SWITCH(parent)) { + SP_SWITCH(parent)->resetChildEvaluated(); + } + } +} + +bool SPItem::isEvaluated() const { + if ( StatusUnknown == _evaluated_status ) { + _is_evaluated = sp_item_evaluate(this); + _evaluated_status = StatusCalculated; + } + return _is_evaluated; +} + /** * Returns something suitable for the `Hide' checkbox in the Object Properties dialog box. * Corresponds to setExplicitlyHidden. @@ -239,12 +277,12 @@ SPItem::setExplicitlyHidden(bool const val) { */ void SPItem::setCenter(NR::Point object_centre) { - NR::Rect bbox = invokeBbox(sp_item_i2d_affine(this)); - if (!bbox.isEmpty()) { - transform_center_x = object_centre[NR::X] - bbox.midpoint()[NR::X]; + NR::Maybe bbox = getBounds(sp_item_i2d_affine(this)); + if (bbox) { + transform_center_x = object_centre[NR::X] - bbox->midpoint()[NR::X]; if (fabs(transform_center_x) < 1e-5) // rounding error transform_center_x = 0; - transform_center_y = object_centre[NR::Y] - bbox.midpoint()[NR::Y]; + transform_center_y = object_centre[NR::Y] - bbox->midpoint()[NR::Y]; if (fabs(transform_center_y) < 1e-5) // rounding error transform_center_y = 0; } @@ -260,10 +298,10 @@ bool SPItem::isCenterSet() { return (transform_center_x != 0 || transform_center_y != 0); } -NR::Point SPItem::getCenter() { - NR::Rect bbox = invokeBbox(sp_item_i2d_affine(this)); - if (!bbox.isEmpty()) { - return bbox.midpoint() + NR::Point (this->transform_center_x, this->transform_center_y); +NR::Point SPItem::getCenter() const { + NR::Maybe bbox = getBounds(sp_item_i2d_affine(this)); + if (bbox) { + return bbox->midpoint() + NR::Point (this->transform_center_x, this->transform_center_y); } else { return NR::Point (0, 0); // something's wrong! } @@ -363,6 +401,9 @@ sp_item_release(SPObject *object) { SPItem *item = (SPItem *) object; + item->_clip_ref_connection.disconnect(); + item->_mask_ref_connection.disconnect(); + if (item->clip_ref) { item->clip_ref->detach(); delete item->clip_ref; @@ -408,7 +449,7 @@ sp_item_set(SPObject *object, unsigned key, gchar const *value) break; } case SP_PROP_CLIP_PATH: { - gchar *uri = Inkscape::parse_css_url(value); + gchar *uri = extract_uri(value); if (uri) { try { item->clip_ref->attach(Inkscape::URI(uri)); @@ -424,7 +465,7 @@ sp_item_set(SPObject *object, unsigned key, gchar const *value) break; } case SP_PROP_MASK: { - gchar *uri=Inkscape::parse_css_url(value); + gchar *uri = extract_uri(value); if (uri) { try { item->mask_ref->attach(Inkscape::URI(uri)); @@ -445,10 +486,6 @@ sp_item_set(SPObject *object, unsigned key, gchar const *value) nr_arena_item_set_sensitive(v->arenaitem, item->sensitive); } break; - case SP_ATTR_STYLE: - sp_style_read_from_object(object->style, object); - object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG); - break; case SP_ATTR_CONNECTOR_AVOID: item->avoidRef->setAvoid(value); break; @@ -458,6 +495,7 @@ sp_item_set(SPObject *object, unsigned key, gchar const *value) } else { item->transform_center_x = 0; } + object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); break; case SP_ATTR_TRANSFORM_CENTER_Y: if (value) { @@ -465,7 +503,15 @@ sp_item_set(SPObject *object, unsigned key, gchar const *value) } else { item->transform_center_y = 0; } + object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); break; + case SP_PROP_SYSTEM_LANGUAGE: + case SP_PROP_REQUIRED_FEATURES: + case SP_PROP_REQUIRED_EXTENSIONS: + { + item->resetEvaluated(); + // pass to default handler + } default: if (SP_ATTRIBUTE_IS_CSS(key)) { sp_style_read_from_object(object->style, object); @@ -577,6 +623,13 @@ sp_item_update(SPObject *object, SPCtx *ctx, guint flags) } } + if (item->display && item->display->arenaitem) { + NRRect item_bbox; + sp_item_invoke_bbox(item, &item_bbox, NR::identity(), TRUE, SPItem::GEOMETRIC_BBOX); + NR::Maybe i_bbox = item_bbox; + nr_arena_item_set_item_bbox(item->display->arenaitem, i_bbox); + } + // Update libavoid with item geometry (for connector routing). item->avoidRef->handleSettingChange(); } @@ -586,52 +639,9 @@ sp_item_write(SPObject *const object, Inkscape::XML::Node *repr, guint flags) { SPItem *item = SP_ITEM(object); - gchar c[256]; - if (sp_svg_transform_write(c, 256, item->transform)) { - repr->setAttribute("transform", c); - } else { - repr->setAttribute("transform", NULL); - } - - SPObject const *const parent = SP_OBJECT_PARENT(object); - /** \todo Can someone please document why this is conditional on having - * a parent? The only parentless thing I can think of is the top-level - * element (SPRoot). SPRoot is derived from SPGroup, and can have - * style. I haven't looked at callers. - */ - if (parent) { - SPStyle const *const obj_style = SP_OBJECT_STYLE(object); - if (obj_style) { - gchar *s = sp_style_write_string(obj_style, SP_STYLE_FLAG_IFSET); - repr->setAttribute("style", ( *s ? s : NULL )); - g_free(s); - } else { - /** \todo I'm not sure what to do in this case. Bug #1165868 - * suggests that it can arise, but the submitter doesn't know - * how to do so reliably. The main two options are either - * leave repr's style attribute unchanged, or explicitly clear it. - * Must also consider what to do with property attributes for - * the element; see below. - */ - char const *style_str = repr->attribute("style"); - if (!style_str) { - style_str = "NULL"; - } - g_warning("Item's style is NULL; repr style attribute is %s", style_str); - } - - /** \note We treat object->style as authoritative. Its effects have - * been written to the style attribute above; any properties that are - * unset we take to be deliberately unset (e.g. so that clones can - * override the property). - * - * Note that the below has an undesirable consequence of changing the - * appearance on renderers that lack CSS support (e.g. SVG tiny); - * possibly we should write property attributes instead of a style - * attribute. - */ - sp_style_unset_property_attrs (object); - } + gchar *c = sp_svg_transform_write(item->transform); + repr->setAttribute("transform", c); + g_free(c); if (flags & SP_OBJECT_WRITE_EXT) { repr->setAttribute("sodipodi:insensitive", ( item->sensitive ? NULL : "true" )); @@ -645,6 +655,17 @@ sp_item_write(SPObject *const object, Inkscape::XML::Node *repr, guint flags) repr->setAttribute ("inkscape:transform-center-y", NULL); } + if (item->clip_ref->getObject()) { + const gchar *value = g_strdup_printf ("url(%s)", item->clip_ref->getURI()->toString()); + repr->setAttribute ("clip-path", value); + g_free ((void *) value); + } + if (item->mask_ref->getObject()) { + const gchar *value = g_strdup_printf ("url(%s)", item->mask_ref->getURI()->toString()); + repr->setAttribute ("mask", value); + g_free ((void *) value); + } + if (((SPObjectClass *) (parent_class))->write) { ((SPObjectClass *) (parent_class))->write(object, repr, flags); } @@ -652,17 +673,19 @@ sp_item_write(SPObject *const object, Inkscape::XML::Node *repr, guint flags) return repr; } -NR::Rect SPItem::invokeBbox(NR::Matrix const &transform) const +NR::Maybe SPItem::getBounds(NR::Matrix const &transform, + SPItem::BBoxType type, + unsigned int dkey) const { NRRect r; - sp_item_invoke_bbox_full(this, &r, transform, 0, TRUE); - return NR::Rect(r); + sp_item_invoke_bbox_full(this, &r, transform, type, TRUE); + return r; } void -sp_item_invoke_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const clear) +sp_item_invoke_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const clear, SPItem::BBoxType type) { - sp_item_invoke_bbox_full(item, bbox, transform, 0, clear); + sp_item_invoke_bbox_full(item, bbox, transform, type, clear); } /** Calls \a item's subclass' bounding box method; clips it by the bbox of clippath, if any; and @@ -690,8 +713,8 @@ sp_item_invoke_bbox_full(SPItem const *item, NRRect *bbox, NR::Matrix const &tra ((SPItemClass *) G_OBJECT_GET_CLASS(item))->bbox(item, &this_bbox, transform, flags); } - // crop the bbox by clip path, if any - if (item->clip_ref->getObject()) { + // unless this is geometric bbox, crop the bbox by clip path, if any + if ((SPItem::BBoxType) flags != SPItem::GEOMETRIC_BBOX && item->clip_ref->getObject()) { NRRect b; sp_clippath_get_bbox(SP_CLIPPATH(item->clip_ref->getObject()), &b, transform, flags); nr_rect_d_intersect (&this_bbox, &this_bbox, &b); @@ -729,30 +752,37 @@ unsigned sp_item_pos_in_parent(SPItem *item) } void -sp_item_bbox_desktop(SPItem *item, NRRect *bbox) +sp_item_bbox_desktop(SPItem *item, NRRect *bbox, SPItem::BBoxType type) { g_assert(item != NULL); g_assert(SP_IS_ITEM(item)); g_assert(bbox != NULL); - sp_item_invoke_bbox(item, bbox, sp_item_i2d_affine(item), TRUE); + sp_item_invoke_bbox(item, bbox, sp_item_i2d_affine(item), TRUE, type); } -NR::Rect sp_item_bbox_desktop(SPItem *item) +NR::Maybe sp_item_bbox_desktop(SPItem *item, SPItem::BBoxType type) { NRRect ret; - sp_item_bbox_desktop(item, &ret); - return NR::Rect(ret); + sp_item_invoke_bbox(item, &ret, sp_item_i2d_affine(item), TRUE, type); + return ret.upgrade(); } static void sp_item_private_snappoints(SPItem const *item, SnapPointsIter p) { - NR::Rect const bbox = item->invokeBbox(sp_item_i2d_affine(item)); - /* Just a pair of opposite corners of the bounding box suffices given that we don't yet + NR::Maybe bbox = item->getBounds(sp_item_i2d_affine(item)); + /* Just the corners of the bounding box suffices given that we don't yet support angled guide lines. */ - *p = bbox.min(); - *p = bbox.max(); + if (bbox) { + NR::Point p1, p2; + p1 = bbox->min(); + p2 = bbox->max(); + *p = p1; + *p = NR::Point(p1[NR::X], p2[NR::Y]); + *p = p2; + *p = NR::Point(p1[NR::Y], p2[NR::X]); + } } void sp_item_snappoints(SPItem const *item, SnapPointsIter p) @@ -804,12 +834,12 @@ sp_item_description(SPItem *item) if (((SPItemClass *) G_OBJECT_GET_CLASS(item))->description) { gchar *s = ((SPItemClass *) G_OBJECT_GET_CLASS(item))->description(item); if (s && item->clip_ref->getObject()) { - gchar *snew = g_strdup_printf ("%s; clipped", s); + gchar *snew = g_strdup_printf (_("%s; clipped"), s); g_free (s); s = snew; } if (s && item->mask_ref->getObject()) { - gchar *snew = g_strdup_printf ("%s; masked", s); + gchar *snew = g_strdup_printf (_("%s; masked"), s); g_free (s); s = snew; } @@ -894,6 +924,10 @@ sp_item_invoke_show(SPItem *item, NRArena *arena, unsigned key, unsigned flags) SP_OBJECT(mask)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); } NR_ARENA_ITEM_SET_DATA(ai, item); + NRRect item_bbox; + sp_item_invoke_bbox(item, &item_bbox, NR::identity(), TRUE, SPItem::GEOMETRIC_BBOX); + NR::Maybe i_bbox = item_bbox; + nr_arena_item_set_item_bbox(ai, i_bbox); } return ai; @@ -1044,6 +1078,10 @@ sp_item_adjust_stroke_width_recursive(SPItem *item, double expansion) { sp_item_adjust_stroke (item, expansion); +// A clone's child is the ghost of its original - we must not touch it, skip recursion + if (item && SP_IS_USE(item)) + return; + for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) { if (SP_IS_ITEM(o)) sp_item_adjust_stroke_width_recursive(SP_ITEM(o), expansion); @@ -1072,32 +1110,35 @@ sp_item_adjust_rects_recursive(SPItem *item, NR::Matrix advertized_transform) void sp_item_adjust_paint_recursive (SPItem *item, NR::Matrix advertized_transform, NR::Matrix t_ancestors, bool is_pattern) { -// A clone must not touch the style (it's that of its parent!) and has no children, so quit now - if (item && SP_IS_USE(item)) - return; - // _Before_ full pattern/gradient transform: t_paint * t_item * t_ancestors // _After_ full pattern/gradient transform: t_paint_new * t_item * t_ancestors * advertised_transform // By equating these two expressions we get t_paint_new = t_paint * paint_delta, where: NR::Matrix t_item = sp_item_transform_repr (item); NR::Matrix paint_delta = t_item * t_ancestors * advertized_transform * t_ancestors.inverse() * t_item.inverse(); +// Within text, we do not fork gradients, and so must not recurse to avoid double compensation; +// also we do not recurse into clones, because a clone's child is the ghost of its original - +// we must not touch it + if (!(item && (SP_IS_TEXT(item) || SP_IS_USE(item)))) { + for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) { + if (SP_IS_ITEM(o)) { +// At the level of the transformed item, t_ancestors is identity; +// below it, it is the accmmulated chain of transforms from this level to the top level + sp_item_adjust_paint_recursive (SP_ITEM(o), advertized_transform, t_item * t_ancestors, is_pattern); + } + } + } + +// We recursed into children first, and are now adjusting this object second; +// this is so that adjustments in a tree are done from leaves up to the root, +// and paintservers on leaves inheriting their values from ancestors could adjust themselves properly +// before ancestors themselves are adjusted, probably differently (bug 1286535) + if (is_pattern) sp_item_adjust_pattern (item, paint_delta); else sp_item_adjust_gradient (item, paint_delta); -// Within text, we do not fork gradients, and so must not recurse to avoid double compensation - if (item && SP_IS_TEXT(item)) - return; - - for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) { - if (SP_IS_ITEM(o)) { -// At the level of the transformed item, t_ancestors is identity; -// below it, it is the accmmulated chain of transforms from this level to the top level - sp_item_adjust_paint_recursive (SP_ITEM(o), advertized_transform, t_item * t_ancestors, is_pattern); - } - } } /** @@ -1122,7 +1163,7 @@ sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NRMatrix const * the repr is updated with the new transform. */ void -sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix const &transform, NR::Matrix const *adv) +sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix const &transform, NR::Matrix const *adv, bool compensate) { g_return_if_fail(item != NULL); g_return_if_fail(SP_IS_ITEM(item)); @@ -1135,37 +1176,46 @@ sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix cons } else { advertized_transform = sp_item_transform_repr (item).inverse() * transform; } + + if (compensate) { + + // recursively compensate for stroke scaling, depending on user preference + if (prefs_get_int_attribute("options.transform", "stroke", 1) == 0) { + double const expansion = 1. / NR::expansion(advertized_transform); + sp_item_adjust_stroke_width_recursive(item, expansion); + } + + // recursively compensate rx/ry of a rect if requested + if (prefs_get_int_attribute("options.transform", "rectcorners", 1) == 0) { + sp_item_adjust_rects_recursive(item, advertized_transform); + } + + // recursively compensate pattern fill if it's not to be transformed + if (prefs_get_int_attribute("options.transform", "pattern", 1) == 0) { + sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), NR::identity(), true); + } + /// \todo FIXME: add the same else branch as for gradients below, to convert patterns to userSpaceOnUse as well + /// recursively compensate gradient fill if it's not to be transformed + if (prefs_get_int_attribute("options.transform", "gradient", 1) == 0) { + sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), NR::identity(), false); + } else { + // this converts the gradient/pattern fill/stroke, if any, to userSpaceOnUse; we need to do + // it here _before_ the new transform is set, so as to use the pre-transform bbox + sp_item_adjust_paint_recursive (item, NR::identity(), NR::identity(), false); + } + + } // endif(compensate) - // recursively compensate for stroke scaling, depending on user preference - if (prefs_get_int_attribute("options.transform", "stroke", 1) == 0) { - double const expansion = 1. / NR::expansion(advertized_transform); - sp_item_adjust_stroke_width_recursive(item, expansion); - } - - // recursively compensate rx/ry of a rect if requested - if (prefs_get_int_attribute("options.transform", "rectcorners", 1) == 0) { - sp_item_adjust_rects_recursive(item, advertized_transform); - } - - // recursively compensate pattern fill if it's not to be transformed - if (prefs_get_int_attribute("options.transform", "pattern", 1) == 0) { - sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), NR::identity(), true); - } - /// \todo FIXME: add the same else branch as for gradients below, to convert patterns to userSpaceOnUse as well - /// recursively compensate gradient fill if it's not to be transformed - if (prefs_get_int_attribute("options.transform", "gradient", 1) == 0) { - sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), NR::identity(), false); - } else { - // this converts the gradient/pattern fill/stroke, if any, to userSpaceOnUse; we need to do - // it here _before_ the new transform is set, so as to use the pre-transform bbox - sp_item_adjust_paint_recursive (item, NR::identity(), NR::identity(), false); - } - - // run the object's set_transform if transforms are stored optimized and there's no clippath or mask gint preserve = prefs_get_int_attribute("options.preservetransform", "value", 0); NR::Matrix transform_attr (transform); - if (((SPItemClass *) G_OBJECT_GET_CLASS(item))->set_transform - && !preserve && !item->clip_ref->getObject() && !item->mask_ref->getObject()) { + if ( // run the object's set_transform (i.e. embed transform) only if: + ((SPItemClass *) G_OBJECT_GET_CLASS(item))->set_transform && // it does have a set_transform method + !preserve && // user did not chose to preserve all transforms + !item->clip_ref->getObject() && // the object does not have a clippath + !item->mask_ref->getObject() && // the object does not have a mask + !(!transform.is_translation() && SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->getFilter()) + // the object does not have a filter, or the transform is translation (which is supposed to not affect filters) + ) { transform_attr = ((SPItemClass *) G_OBJECT_GET_CLASS(item))->set_transform(item, transform); } sp_item_set_item_transform(item, transform_attr);