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Diffstat (limited to 'src/grid-snapper.cpp')
| -rw-r--r-- | src/grid-snapper.cpp | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/grid-snapper.cpp b/src/grid-snapper.cpp deleted file mode 100644 index 818f0abd9..000000000 --- a/src/grid-snapper.cpp +++ /dev/null @@ -1,95 +0,0 @@ -/** - * \file grid-snapper.cpp - * \brief Snapping things to grids. - * - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * Frank Felfe <innerspace@iname.com> - * Carl Hetherington <inkscape@carlh.net> - * - * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl> - * Copyright (C) 1999-2002 Authors - * - * Released under GNU GPL, read the file 'COPYING' for more information - */ - -#include "sp-namedview.h" -#include "inkscape.h" -#include "desktop.h" -#include "display/canvas-grid.h" -#include "display/canvas-axonomgrid.h" - -/** - * \return x rounded to the nearest multiple of c1 plus c0. - * - * \note - * If c1==0 (and c0 is finite), then returns +/-inf. This makes grid spacing of zero - * mean "ignore the grid in this dimention". We're currently discussing "good" semantics - * for guide/grid snapping. - */ - -/* FIXME: move this somewhere else, perhaps */ -static double round_to_nearest_multiple_plus(double x, double const c1, double const c0) -{ - return floor((x - c0) / c1 + .5) * c1 + c0; -} - -Inkscape::GridSnapper::GridSnapper(SPNamedView const *nv, NR::Coord const d) : LineSnapper(nv, d) -{ - -} - -Inkscape::LineSnapper::LineList -Inkscape::GridSnapper::_getSnapLines(NR::Point const &p) const -{ - LineList s; - - if ( NULL == _named_view ) { - return s; - } - - CXYGrid *griditem = NULL; - for (GSList *l = _named_view->gridviews; l != NULL; l = l->next) { - // FIXME : this is a hack since there is only one view for now - // but when we'll handle multiple views, snapping should - // must be rethought and maybe only the current view - // should give back it's SHOWN lines to snap to - // For now, the last CXYGrid in _named_view->gridviews will be used. - if ( INKSCAPE_IS_CXYGRID(GTK_OBJECT(l->data)) ) { - griditem = INKSCAPE_CXYGRID(l->data); - } - } - - g_assert(griditem != NULL); - - for (unsigned int i = 0; i < 2; ++i) { - - /* This is to make sure we snap to only visible grid lines */ - double scaled_spacing = griditem->sw[i]; // this is spacing of visible lines if screen pixels - - // convert screen pixels to px - // FIXME: after we switch to snapping dist in screen pixels, this will be unnecessary - if (SP_ACTIVE_DESKTOP) { - scaled_spacing /= SP_ACTIVE_DESKTOP->current_zoom(); - } - - NR::Coord const rounded = round_to_nearest_multiple_plus(p[i], - scaled_spacing, - _named_view->gridorigin[i]); - - s.push_back(std::make_pair(NR::Dim2(i), rounded)); - } - - return s; -} - -/* - 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 : |