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index d3cbf9153cc15a3ab689614ff22cf433028d41d3..df73eb78e0496470ec00255661e57c5d0ca4ff14 100644 (file)
-#define INKSCAPE_CANVAS_GRID_C
-
-/*
- *
- * Copyright (C) Johan Engelen 2006-2007 <johan@shouraizou.nl>
+/** @file
+ * @brief Cartesian grid implementation
+ */
+/* Copyright (C) Johan Engelen 2006-2007 <johan@shouraizou.nl>
* Copyright (C) Lauris Kaplinski 2000
- *
+ * Abhishek Sharma
*/
+/* As a general comment, I am not exactly proud of how things are done.
+ * (for example the 'enable' widget and readRepr things)
+ * It does seem to work however. I intend to clean up and sort things out later, but that can take forever...
+ * Don't be shy to correct things.
+ */
#include "sp-canvas-util.h"
+#include "util/mathfns.h"
#include "display-forward.h"
#include <libnr/nr-pixops.h>
#include "desktop-handles.h"
#include "desktop.h"
#include "../document.h"
+#include "preferences.h"
#include "canvas-grid.h"
#include "canvas-axonomgrid.h"
-namespace Inkscape {
+using Inkscape::DocumentUndo;
-#define DEFAULTGRIDCOLOR 0x0000FF20
-#define DEFAULTGRIDEMPCOLOR 0x0000FF40
+namespace Inkscape {
static gchar const *const grid_name[] = {
N_("Rectangular grid"),
static void grid_canvasitem_init (GridCanvasItem *grid);
static void grid_canvasitem_destroy (GtkObject *object);
-static void grid_canvasitem_update (SPCanvasItem *item, NR::Matrix const &affine, unsigned int flags);
+static void grid_canvasitem_update (SPCanvasItem *item, Geom::Matrix const &affine, unsigned int flags);
static void grid_canvasitem_render (SPCanvasItem *item, SPCanvasBuf *buf);
static SPCanvasItemClass * parent_class;
if (!grid_canvasitem_type) {
GtkTypeInfo grid_canvasitem_info = {
- "GridCanvasItem",
+ (gchar *)"GridCanvasItem",
sizeof (GridCanvasItem),
sizeof (GridCanvasItemClass),
(GtkClassInitFunc) grid_canvasitem_class_init,
{
GridCanvasItem *gridcanvasitem = INKSCAPE_GRID_CANVASITEM (item);
- sp_canvas_prepare_buffer (buf);
-
- if (gridcanvasitem->grid) gridcanvasitem->grid->Render(buf);
+ if ( gridcanvasitem->grid && gridcanvasitem->grid->isVisible() ) {
+ sp_canvas_prepare_buffer (buf);
+ gridcanvasitem->grid->Render(buf);
+ }
}
static void
-grid_canvasitem_update (SPCanvasItem *item, NR::Matrix const &affine, unsigned int flags)
+grid_canvasitem_update (SPCanvasItem *item, Geom::Matrix const &affine, unsigned int flags)
{
GridCanvasItem *gridcanvasitem = INKSCAPE_GRID_CANVASITEM (item);
@@ -150,7 +156,8 @@ grid_canvasitem_update (SPCanvasItem *item, NR::Matrix const &affine, unsigned i
NULL /* order_changed */
};
-CanvasGrid::CanvasGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr, SPDocument *in_doc)
+CanvasGrid::CanvasGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr, SPDocument *in_doc, GridType type)
+ : visible(true), gridtype(type)
{
repr = in_repr;
doc = in_doc;
}
}
+const char *
+CanvasGrid::getName()
+{
+ return _(grid_name[gridtype]);
+}
+
+const char *
+CanvasGrid::getSVGName()
+{
+ return grid_svgname[gridtype];
+}
+
+GridType
+CanvasGrid::getGridType()
+{
+ return gridtype;
+}
char const *
@@ -224,15 +248,15 @@ CanvasGrid::writeNewGridToRepr(Inkscape::XML::Node * repr, SPDocument * doc, Gri
// first create the child xml node, then hook it to repr. This order is important, to not set off listeners to repr before the new node is complete.
- Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
+ Inkscape::XML::Document *xml_doc = doc->getReprDoc();
Inkscape::XML::Node *newnode;
newnode = xml_doc->createElement("inkscape:grid");
newnode->setAttribute("type", getSVGName(gridtype));
repr->appendChild(newnode);
-// Inkscape::GC::release(repr); FIX THIS. THIS SHOULD BE HERE!!!
+ Inkscape::GC::release(newnode);
- sp_document_done(doc, SP_VERB_DIALOG_NAMEDVIEW, _("Create new grid"));
+ DocumentUndo::done(doc, SP_VERB_DIALOG_NAMEDVIEW, _("Create new grid"));
}
/*
return item;
}
+Gtk::Widget *
+CanvasGrid::newWidget()
+{
+ Gtk::VBox * vbox = Gtk::manage( new Gtk::VBox() );
+ Gtk::Label * namelabel = Gtk::manage(new Gtk::Label("", Gtk::ALIGN_CENTER) );
+
+ Glib::ustring str("<b>");
+ str += getName();
+ str += "</b>";
+ namelabel->set_markup(str);
+ vbox->pack_start(*namelabel, true, true);
+
+ Inkscape::UI::Widget::RegisteredCheckButton * _rcb_enabled = Gtk::manage(
+ new Inkscape::UI::Widget::RegisteredCheckButton( _("_Enabled"),
+ _("Determines whether to snap to this grid or not. Can be 'on' for invisible grids."),
+ "enabled", _wr, false, repr, doc) );
+
+ Inkscape::UI::Widget::RegisteredCheckButton * _rcb_snap_visible_only = Gtk::manage(
+ new Inkscape::UI::Widget::RegisteredCheckButton( _("Snap to visible _grid lines only"),
+ _("When zoomed out, not all grid lines will be displayed. Only the visible ones will be snapped to"),
+ "snapvisiblegridlinesonly", _wr, true, repr, doc) );
+
+ Inkscape::UI::Widget::RegisteredCheckButton * _rcb_visible = Gtk::manage(
+ new Inkscape::UI::Widget::RegisteredCheckButton( _("_Visible"),
+ _("Determines whether the grid is displayed or not. Objects are still snapped to invisible grids."),
+ "visible", _wr, true, repr, doc) );
+
+ vbox->pack_start(*_rcb_enabled, true, true);
+ vbox->pack_start(*_rcb_visible, true, true);
+ vbox->pack_start(*_rcb_snap_visible_only, true, true);
+ Gtk::Widget * gridwdg = newSpecificWidget();
+ vbox->pack_start(*gridwdg, true, true);
+
+ std::list<Gtk::Widget*> slaves;
+ slaves.push_back(_rcb_visible);
+ slaves.push_back(_rcb_snap_visible_only);
+ slaves.push_back(gridwdg);
+ _rcb_enabled->setSlaveWidgets(slaves);
+
+ // set widget values
+ _rcb_visible->setActive(visible);
+ if (snapper != NULL) {
+ _rcb_enabled->setActive(snapper->getEnabled());
+ _rcb_snap_visible_only->setActive(snapper->getSnapVisibleOnly());
+ }
+
+ return dynamic_cast<Gtk::Widget *> (vbox);
+}
+
void
CanvasGrid::on_repr_attr_changed(Inkscape::XML::Node *repr, gchar const *key, gchar const *oldval, gchar const *newval, bool is_interactive, void *data)
{
@@ -294,7 +367,14 @@ CanvasGrid::on_repr_attr_changed(Inkscape::XML::Node *repr, gchar const *key, gc
((CanvasGrid*) data)->onReprAttrChanged(repr, key, oldval, newval, is_interactive);
}
+bool CanvasGrid::isEnabled()
+{
+ if (snapper == NULL) {
+ return false;
+ }
+ return snapper->getEnabled();
+}
// ##########################################################
// CanvasXYGrid
@@ -342,61 +422,24 @@ attach_all(Gtk::Table &table, Gtk::Widget const *const arr[], unsigned size, int
}
CanvasXYGrid::CanvasXYGrid (SPNamedView * nv, Inkscape::XML::Node * in_repr, SPDocument * in_doc)
- : CanvasGrid(nv, in_repr, in_doc), table(1, 1)
-{
- origin[NR::X] = origin[NR::Y] = 0.0;
- color = DEFAULTGRIDCOLOR;
- empcolor = DEFAULTGRIDEMPCOLOR;
- empspacing = 5;
- spacing[NR::X] = spacing[NR::Y] = 1.0;
- gridunit = &sp_unit_get_by_id(SP_UNIT_PX);
- render_dotted = false;
-
- snapper = new CanvasXYGridSnapper(this, namedview, 0);
-
- // initialize widgets:
- vbox.set_border_width(2);
- table.set_spacings(2);
- vbox.pack_start(table, false, false, 0);
-
- _rumg.init (_("Grid _units:"), "units", _wr, repr, doc);
- _rsu_ox.init (_("_Origin X:"), _("X coordinate of grid origin"),
- "originx", _rumg, _wr, repr, doc);
- _rsu_oy.init (_("O_rigin Y:"), _("Y coordinate of grid origin"),
- "originy", _rumg, _wr, repr, doc);
- _rsu_sx.init (_("Spacing _X:"), _("Distance between vertical grid lines"),
- "spacingx", _rumg, _wr, repr, doc);
- _rsu_sy.init (_("Spacing _Y:"), _("Distance between horizontal grid lines"),
- "spacingy", _rumg, _wr, repr, doc);
- _rcp_gcol.init (_("Grid line _color:"), _("Grid line color"),
- _("Color of grid lines"), "color", "opacity", _wr, repr, doc);
- _rcp_gmcol.init (_("Ma_jor grid line color:"), _("Major grid line color"),
- _("Color of the major (highlighted) grid lines"),
- "empcolor", "empopacity", _wr, repr, doc);
- _rsi.init (_("_Major grid line every:"), _("lines"), "empspacing", _wr, repr, doc);
- _rcb_dotted.init ( _("_Show dots instead of lines"),
- _("If set, displays dots at gridpoints instead of gridlines"),
- "dotted", _wr, false, repr, doc);
-
- Gtk::Widget const *const widget_array[] = {
- _rumg._label, _rumg._sel,
- 0, _rsu_ox.getSU(),
- 0, _rsu_oy.getSU(),
- 0, _rsu_sx.getSU(),
- 0, _rsu_sy.getSU(),
- _rcp_gcol._label, _rcp_gcol._cp,
- 0, 0,
- _rcp_gmcol._label, _rcp_gmcol._cp,
- _rsi._label, &_rsi._hbox,
- 0, _rcb_dotted._button,
- };
-
- attach_all (table, widget_array, sizeof(widget_array));
-
- vbox.show();
+ : CanvasGrid(nv, in_repr, in_doc, GRID_RECTANGULAR)
+{
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ gridunit = sp_unit_get_by_abbreviation( prefs->getString("/options/grids/xy/units").data() );
+ if (!gridunit)
+ gridunit = &sp_unit_get_by_id(SP_UNIT_PX);
+ origin[Geom::X] = sp_units_get_pixels(prefs->getDouble("/options/grids/xy/origin_x", 0.0), *gridunit);
+ origin[Geom::Y] = sp_units_get_pixels(prefs->getDouble("/options/grids/xy/origin_y", 0.0), *gridunit);
+ color = prefs->getInt("/options/grids/xy/color", 0x0000ff20);
+ empcolor = prefs->getInt("/options/grids/xy/empcolor", 0x0000ff40);
+ empspacing = prefs->getInt("/options/grids/xy/empspacing", 5);
+ spacing[Geom::X] = sp_units_get_pixels(prefs->getDouble("/options/grids/xy/spacing_x", 0.0), *gridunit);
+ spacing[Geom::Y] = sp_units_get_pixels(prefs->getDouble("/options/grids/xy/spacing_y", 0.0), *gridunit);
+ render_dotted = prefs->getBool("/options/grids/xy/dotted", false);
+
+ snapper = new CanvasXYGridSnapper(this, &namedview->snap_manager, 0);
if (repr) readRepr();
- updateWidgets();
}
CanvasXYGrid::~CanvasXYGrid ()
@param widget Widget associated with the scalar.
*/
static void validateScalar(double oldVal,
- double* pTarget,
- Inkscape::UI::Widget::RegisteredScalarUnit& widget)
+ double* pTarget)
{
// Avoid nullness.
if ( pTarget == NULL )
// Reset the scalar and associated widget to the old value.
*pTarget = oldVal;
- widget.setValue( *pTarget);
} //if
} //validateScalar
@param widget Widget associated with the int.
*/
static void validateInt(gint oldVal,
- gint* pTarget,
- Inkscape::UI::Widget::RegisteredSuffixedInteger& widget)
+ gint* pTarget)
{
// Avoid nullness.
if ( pTarget == NULL )
// Reset the int and associated widget to the old value.
*pTarget = oldVal;
- widget.setValue( *pTarget);
} //if
} //validateInt
{
gchar const *value;
if ( (value = repr->attribute("originx")) ) {
- sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &origin[NR::X], &gridunit);
- origin[NR::X] = sp_units_get_pixels(origin[NR::X], *(gridunit));
-
+ sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &origin[Geom::X], &gridunit);
+ origin[Geom::X] = sp_units_get_pixels(origin[Geom::X], *(gridunit));
}
+
if ( (value = repr->attribute("originy")) ) {
- sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &origin[NR::Y], &gridunit);
- origin[NR::Y] = sp_units_get_pixels(origin[NR::Y], *(gridunit));
+ sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &origin[Geom::Y], &gridunit);
+ origin[Geom::Y] = sp_units_get_pixels(origin[Geom::Y], *(gridunit));
}
if ( (value = repr->attribute("spacingx")) ) {
- double oldVal = spacing[NR::X];
- sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &spacing[NR::X], &gridunit);
- validateScalar( oldVal, &spacing[NR::X], _rsu_sx );
- spacing[NR::X] = sp_units_get_pixels(spacing[NR::X], *(gridunit));
+ double oldVal = spacing[Geom::X];
+ sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &spacing[Geom::X], &gridunit);
+ validateScalar( oldVal, &spacing[Geom::X]);
+ spacing[Geom::X] = sp_units_get_pixels(spacing[Geom::X], *(gridunit));
}
if ( (value = repr->attribute("spacingy")) ) {
- double oldVal = spacing[NR::Y];
- sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &spacing[NR::Y], &gridunit);
- validateScalar( oldVal, &spacing[NR::Y], _rsu_sy );
- spacing[NR::Y] = sp_units_get_pixels(spacing[NR::Y], *(gridunit));
+ double oldVal = spacing[Geom::Y];
+ sp_nv_read_length(value, SP_UNIT_ABSOLUTE | SP_UNIT_DEVICE, &spacing[Geom::Y], &gridunit);
+ validateScalar( oldVal, &spacing[Geom::Y]);
+ spacing[Geom::Y] = sp_units_get_pixels(spacing[Geom::Y], *(gridunit));
}
if ( (value = repr->attribute("empspacing")) ) {
gint oldVal = empspacing;
empspacing = atoi(value);
- validateInt( oldVal, &empspacing, _rsi );
+ validateInt( oldVal, &empspacing);
}
if ( (value = repr->attribute("dotted")) ) {
- render_dotted = (strcmp(value,"true") == 0);
+ render_dotted = (strcmp(value,"false") != 0 && strcmp(value, "0") != 0);
+ }
+
+ if ( (value = repr->attribute("visible")) ) {
+ visible = (strcmp(value,"false") != 0 && strcmp(value, "0") != 0);
+ }
+
+ if ( (value = repr->attribute("enabled")) ) {
+ g_assert(snapper != NULL);
+ snapper->setEnabled(strcmp(value,"false") != 0 && strcmp(value, "0") != 0);
+ }
+
+ if ( (value = repr->attribute("snapvisiblegridlinesonly")) ) {
+ g_assert(snapper != NULL);
+ snapper->setSnapVisibleOnly(strcmp(value,"false") != 0 && strcmp(value, "0") != 0);
}
for (GSList *l = canvasitems; l != NULL; l = l->next) {
@@ -609,10 +662,97 @@ CanvasXYGrid::onReprAttrChanged(Inkscape::XML::Node */*repr*/, gchar const */*ke
-Gtk::Widget &
-CanvasXYGrid::getWidget()
+Gtk::Widget *
+CanvasXYGrid::newSpecificWidget()
{
- return vbox;
+ Gtk::Table * table = Gtk::manage( new Gtk::Table(1,1) );
+
+ Inkscape::UI::Widget::RegisteredUnitMenu *_rumg = Gtk::manage( new Inkscape::UI::Widget::RegisteredUnitMenu(
+ _("Grid _units:"), "units", _wr, repr, doc) );
+ Inkscape::UI::Widget::RegisteredScalarUnit *_rsu_ox = Gtk::manage( new Inkscape::UI::Widget::RegisteredScalarUnit(
+ _("_Origin X:"), _("X coordinate of grid origin"), "originx", *_rumg, _wr, repr, doc) );
+ Inkscape::UI::Widget::RegisteredScalarUnit *_rsu_oy = Gtk::manage( new Inkscape::UI::Widget::RegisteredScalarUnit(
+ _("O_rigin Y:"), _("Y coordinate of grid origin"), "originy", *_rumg, _wr, repr, doc) );
+ Inkscape::UI::Widget::RegisteredScalarUnit *_rsu_sx = Gtk::manage( new Inkscape::UI::Widget::RegisteredScalarUnit(
+ _("Spacing _X:"), _("Distance between vertical grid lines"), "spacingx", *_rumg, _wr, repr, doc) );
+ Inkscape::UI::Widget::RegisteredScalarUnit *_rsu_sy = Gtk::manage( new Inkscape::UI::Widget::RegisteredScalarUnit(
+ _("Spacing _Y:"), _("Distance between horizontal grid lines"), "spacingy", *_rumg, _wr, repr, doc) );
+
+ Inkscape::UI::Widget::RegisteredColorPicker *_rcp_gcol = Gtk::manage(
+ new Inkscape::UI::Widget::RegisteredColorPicker(
+ _("Grid line _color:"), _("Grid line color"), _("Color of grid lines"),
+ "color", "opacity", _wr, repr, doc));
+
+ Inkscape::UI::Widget::RegisteredColorPicker *_rcp_gmcol = Gtk::manage(
+ new Inkscape::UI::Widget::RegisteredColorPicker(
+ _("Ma_jor grid line color:"), _("Major grid line color"),
+ _("Color of the major (highlighted) grid lines"), "empcolor", "empopacity",
+ _wr, repr, doc));
+
+ Inkscape::UI::Widget::RegisteredSuffixedInteger *_rsi = Gtk::manage( new Inkscape::UI::Widget::RegisteredSuffixedInteger(
+ _("_Major grid line every:"), "", _("lines"), "empspacing", _wr, repr, doc) );
+
+ table->set_spacings(2);
+
+_wr.setUpdating (true);
+
+ _rsu_ox->setDigits(4);
+ _rsu_ox->setIncrements(0.1, 1.0);
+
+ _rsu_oy->setDigits(4);
+ _rsu_oy->setIncrements(0.1, 1.0);
+
+ _rsu_sx->setDigits(4);
+ _rsu_sx->setIncrements(0.1, 1.0);
+
+ _rsu_sy->setDigits(4);
+ _rsu_sy->setIncrements(0.1, 1.0);
+
+ Inkscape::UI::Widget::RegisteredCheckButton * _rcb_dotted = Gtk::manage(
+ new Inkscape::UI::Widget::RegisteredCheckButton( _("_Show dots instead of lines"),
+ _("If set, displays dots at gridpoints instead of gridlines"),
+ "dotted", _wr, false, repr, doc) );
+_wr.setUpdating (false);
+
+ Gtk::Widget const *const widget_array[] = {
+ 0, _rumg,
+ 0, _rsu_ox,
+ 0, _rsu_oy,
+ 0, _rsu_sx,
+ 0, _rsu_sy,
+ _rcp_gcol->_label, _rcp_gcol,
+ 0, 0,
+ _rcp_gmcol->_label, _rcp_gmcol,
+ 0, _rsi,
+ 0, _rcb_dotted,
+ };
+
+ attach_all (*table, widget_array, sizeof(widget_array));
+
+ // set widget values
+ _rumg->setUnit (gridunit);
+
+ gdouble val;
+ val = origin[Geom::X];
+ val = sp_pixels_get_units (val, *(gridunit));
+ _rsu_ox->setValue (val);
+ val = origin[Geom::Y];
+ val = sp_pixels_get_units (val, *(gridunit));
+ _rsu_oy->setValue (val);
+ val = spacing[Geom::X];
+ double gridx = sp_pixels_get_units (val, *(gridunit));
+ _rsu_sx->setValue (gridx);
+ val = spacing[Geom::Y];
+ double gridy = sp_pixels_get_units (val, *(gridunit));
+ _rsu_sy->setValue (gridy);
+
+ _rcp_gcol->setRgba32 (color);
+ _rcp_gmcol->setRgba32 (empcolor);
+ _rsi->setValue (empspacing);
+
+ _rcb_dotted->setActive(render_dotted);
+
+ return table;
}
void
CanvasXYGrid::updateWidgets()
{
+/*
if (_wr.isUpdating()) return;
_wr.setUpdating (true);
+ _rcb_visible.setActive(visible);
+ if (snapper != NULL) {
+ _rcb_enabled.setActive(snapper->getEnabled());
+ }
+
_rumg.setUnit (gridunit);
gdouble val;
- val = origin[NR::X];
+ val = origin[Geom::X];
val = sp_pixels_get_units (val, *(gridunit));
_rsu_ox.setValue (val);
- val = origin[NR::Y];
+ val = origin[Geom::Y];
val = sp_pixels_get_units (val, *(gridunit));
_rsu_oy.setValue (val);
- val = spacing[NR::X];
+ val = spacing[Geom::X];
double gridx = sp_pixels_get_units (val, *(gridunit));
_rsu_sx.setValue (gridx);
- val = spacing[NR::Y];
+ val = spacing[Geom::Y];
double gridy = sp_pixels_get_units (val, *(gridunit));
_rsu_sy.setValue (gridy);
_rcp_gmcol.setRgba32 (empcolor);
_rsi.setValue (empspacing);
+ _rcb_dotted.setActive(render_dotted);
+
_wr.setUpdating (false);
return;
+*/
}
void
-CanvasXYGrid::Update (NR::Matrix const &affine, unsigned int /*flags*/)
+CanvasXYGrid::Update (Geom::Matrix const &affine, unsigned int /*flags*/)
{
ow = origin * affine;
sw = spacing * affine;
- sw -= NR::Point(affine[4], affine[5]);
+ sw -= Geom::Point(affine[4], affine[5]);
for(int dim = 0; dim < 2; dim++) {
gint scaling_factor = empspacing;
a = NR_RGBA32_A (rgba);
x0 = MAX (buf->rect.x0, xs);
x1 = MIN (buf->rect.x1, xe + 1);
- p = buf->buf + (y - buf->rect.y0) * buf->buf_rowstride + (x0 - buf->rect.x0) * 3;
+ p = buf->buf + (y - buf->rect.y0) * buf->buf_rowstride + (x0 - buf->rect.x0) * 4;
for (x = x0; x < x1; x++) {
p[0] = NR_COMPOSEN11_1111 (r, a, p[0]);
p[1] = NR_COMPOSEN11_1111 (g, a, p[1]);
p[2] = NR_COMPOSEN11_1111 (b, a, p[2]);
- p += 3;
+ p += 4;
}
}
}
a = NR_RGBA32_A (rgba);
y0 = MAX (buf->rect.y0, ys);
y1 = MIN (buf->rect.y1, ye + 1);
- p = buf->buf + (y0 - buf->rect.y0) * buf->buf_rowstride + (x - buf->rect.x0) * 3;
+ p = buf->buf + (y0 - buf->rect.y0) * buf->buf_rowstride + (x - buf->rect.x0) * 4;
for (y = y0; y < y1; y++) {
p[0] = NR_COMPOSEN11_1111 (r, a, p[0]);
p[1] = NR_COMPOSEN11_1111 (g, a, p[1]);
g = NR_RGBA32_G (rgba);
b = NR_RGBA32_B (rgba);
a = NR_RGBA32_A (rgba);
- p = buf->buf + (y - buf->rect.y0) * buf->buf_rowstride + (x - buf->rect.x0) * 3;
+ p = buf->buf + (y - buf->rect.y0) * buf->buf_rowstride + (x - buf->rect.x0) * 4;
p[0] = NR_COMPOSEN11_1111 (r, a, p[0]);
p[1] = NR_COMPOSEN11_1111 (g, a, p[1]);
p[2] = NR_COMPOSEN11_1111 (b, a, p[2]);
void
CanvasXYGrid::Render (SPCanvasBuf *buf)
{
- gdouble const sxg = floor ((buf->rect.x0 - ow[NR::X]) / sw[NR::X]) * sw[NR::X] + ow[NR::X];
- gint const xlinestart = (gint) Inkscape::round((sxg - ow[NR::X]) / sw[NR::X]);
- gdouble const syg = floor ((buf->rect.y0 - ow[NR::Y]) / sw[NR::Y]) * sw[NR::Y] + ow[NR::Y];
- gint const ylinestart = (gint) Inkscape::round((syg - ow[NR::Y]) / sw[NR::Y]);
+ gdouble const sxg = floor ((buf->rect.x0 - ow[Geom::X]) / sw[Geom::X]) * sw[Geom::X] + ow[Geom::X];
+ gint const xlinestart = (gint) Inkscape::round((sxg - ow[Geom::X]) / sw[Geom::X]);
+ gdouble const syg = floor ((buf->rect.y0 - ow[Geom::Y]) / sw[Geom::Y]) * sw[Geom::Y] + ow[Geom::Y];
+ gint const ylinestart = (gint) Inkscape::round((syg - ow[Geom::Y]) / sw[Geom::Y]);
+
+ //set correct coloring, depending preference (when zoomed out, always major coloring or minor coloring)
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ guint32 _empcolor;
+ bool no_emp_when_zoomed_out = prefs->getBool("/options/grids/no_emphasize_when_zoomedout", false);
+ if( (scaled[Geom::X] || scaled[Geom::Y]) && no_emp_when_zoomed_out ) {
+ _empcolor = color;
+ } else {
+ _empcolor = empcolor;
+ }
if (!render_dotted) {
gint ylinenum;
gdouble y;
- for (y = syg, ylinenum = ylinestart; y < buf->rect.y1; y += sw[NR::Y], ylinenum++) {
+ for (y = syg, ylinenum = ylinestart; y < buf->rect.y1; y += sw[Geom::Y], ylinenum++) {
gint const y0 = (gint) Inkscape::round(y);
-
- if (!scaled[NR::Y] && (ylinenum % empspacing) == 0) {
- grid_hline (buf, y0, buf->rect.x0, buf->rect.x1 - 1, empcolor);
- } else {
+ if (!scaled[Geom::Y] && (ylinenum % empspacing) != 0) {
grid_hline (buf, y0, buf->rect.x0, buf->rect.x1 - 1, color);
+ } else {
+ grid_hline (buf, y0, buf->rect.x0, buf->rect.x1 - 1, _empcolor);
}
}
gint xlinenum;
gdouble x;
- for (x = sxg, xlinenum = xlinestart; x < buf->rect.x1; x += sw[NR::X], xlinenum++) {
+ for (x = sxg, xlinenum = xlinestart; x < buf->rect.x1; x += sw[Geom::X], xlinenum++) {
gint const ix = (gint) Inkscape::round(x);
- if (!scaled[NR::X] && (xlinenum % empspacing) == 0) {
- grid_vline (buf, ix, buf->rect.y0, buf->rect.y1, empcolor);
- } else {
+ if (!scaled[Geom::X] && (xlinenum % empspacing) != 0) {
grid_vline (buf, ix, buf->rect.y0, buf->rect.y1, color);
+ } else {
+ grid_vline (buf, ix, buf->rect.y0, buf->rect.y1, _empcolor);
}
}
} else {
gint ylinenum;
gdouble y;
- for (y = syg, ylinenum = ylinestart; y < buf->rect.y1; y += sw[NR::Y], ylinenum++) {
+ for (y = syg, ylinenum = ylinestart; y < buf->rect.y1; y += sw[Geom::Y], ylinenum++) {
gint const iy = (gint) Inkscape::round(y);
gint xlinenum;
gdouble x;
- for (x = sxg, xlinenum = xlinestart; x < buf->rect.x1; x += sw[NR::X], xlinenum++) {
+ for (x = sxg, xlinenum = xlinestart; x < buf->rect.x1; x += sw[Geom::X], xlinenum++) {
gint const ix = (gint) Inkscape::round(x);
- if ( (!scaled[NR::X] && (xlinenum % empspacing) == 0)
- || (!scaled[NR::Y] && (ylinenum % empspacing) == 0) )
+ if ( (!scaled[Geom::X] && (xlinenum % empspacing) != 0)
+ || (!scaled[Geom::Y] && (ylinenum % empspacing) != 0)
+ || ((scaled[Geom::X] || scaled[Geom::Y]) && no_emp_when_zoomed_out) )
{
- grid_dot (buf, ix, iy, empcolor | (guint32)0x000000FF); // put alpha to max value
+ grid_dot (buf, ix, iy, color | (guint32)0x000000FF); // put alpha to max value
} else {
- grid_dot (buf, ix, iy, color | (guint32)0x000000FF); // put alpha to max value
+ gint const pitch = 1;
+ grid_dot (buf, ix-pitch, iy, _empcolor);
+ grid_dot (buf, ix+pitch, iy, _empcolor);
+
+ grid_dot (buf, ix, iy, _empcolor | (guint32)0x000000FF); // put alpha to max value
+
+ grid_dot (buf, ix, iy-pitch, _empcolor);
+ grid_dot (buf, ix, iy+pitch, _empcolor);
}
}
}
}
-
-
+CanvasXYGridSnapper::CanvasXYGridSnapper(CanvasXYGrid *grid, SnapManager *sm, Geom::Coord const d) : LineSnapper(sm, d)
+{
+ this->grid = grid;
+}
/**
- * \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.
+ * \return Snap tolerance (desktop coordinates); depends on current zoom so that it's always the same in screen pixels
*/
-
-/* FIXME: move this somewhere else, perhaps */
-static double round_to_nearest_multiple_plus(double x, double const c1, double const c0)
+Geom::Coord CanvasXYGridSnapper::getSnapperTolerance() const
{
- return floor((x - c0) / c1 + .5) * c1 + c0;
+ SPDesktop const *dt = _snapmanager->getDesktop();
+ double const zoom = dt ? dt->current_zoom() : 1;
+ return _snapmanager->snapprefs.getGridTolerance() / zoom;
}
-CanvasXYGridSnapper::CanvasXYGridSnapper(CanvasXYGrid *grid, SPNamedView const *nv, NR::Coord const d) : LineSnapper(nv, d)
+bool CanvasXYGridSnapper::getSnapperAlwaysSnap() const
{
- this->grid = grid;
+ return _snapmanager->snapprefs.getGridTolerance() == 10000; //TODO: Replace this threshold of 10000 by a constant; see also tolerance-slider.cpp
}
LineSnapper::LineList
-CanvasXYGridSnapper::_getSnapLines(NR::Point const &p) const
+CanvasXYGridSnapper::_getSnapLines(Geom::Point const &p) const
{
LineList s;
for (unsigned int i = 0; i < 2; ++i) {
- /* This is to make sure we snap to only visible grid lines */
- double scaled_spacing = grid->sw[i]; // this is spacing of visible lines if screen pixels
+ double spacing;
- // 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();
+ if (getSnapVisibleOnly()) {
+ // Only snapping to visible grid lines
+ spacing = grid->sw[i]; // this is the spacing of the visible grid lines measured in screen pixels
+ // convert screen pixels to px
+ // FIXME: after we switch to snapping dist in screen pixels, this will be unnecessary
+ SPDesktop const *dt = _snapmanager->getDesktop();
+ if (dt) {
+ spacing /= dt->current_zoom();
+ }
+ } else {
+ // Snapping to any grid line, whether it's visible or not
+ spacing = grid->spacing[i];
}
- NR::Coord const rounded = round_to_nearest_multiple_plus(p[i],
- scaled_spacing,
- grid->origin[i]);
+ Geom::Coord rounded;
+ Geom::Point point_on_line;
+
+ rounded = Inkscape::Util::round_to_upper_multiple_plus(p[i], spacing, grid->origin[i]);
+ point_on_line = i ? Geom::Point(0, rounded) : Geom::Point(rounded, 0);
+ s.push_back(std::make_pair(component_vectors[i], point_on_line));
- s.push_back(std::make_pair(NR::Dim2(i), rounded));
+ rounded = Inkscape::Util::round_to_lower_multiple_plus(p[i], spacing, grid->origin[i]);
+ point_on_line = i ? Geom::Point(0, rounded) : Geom::Point(rounded, 0);
+ s.push_back(std::make_pair(component_vectors[i], point_on_line));
}
return s;
}
-void CanvasXYGridSnapper::_addSnappedLine(SnappedConstraints &sc, NR::Point const snapped_point, NR::Coord const snapped_distance, NR::Point const normal_to_line, NR::Point const point_on_line) const
+void CanvasXYGridSnapper::_addSnappedLine(SnappedConstraints &sc, Geom::Point const snapped_point, Geom::Coord const snapped_distance, SnapSourceType const &source, long source_num, Geom::Point const normal_to_line, Geom::Point const point_on_line) const
{
- SnappedInfiniteLine dummy = SnappedInfiniteLine(snapped_point, snapped_distance, normal_to_line, point_on_line);
- sc.grid_lines.push_back(dummy);
+ SnappedLine dummy = SnappedLine(snapped_point, snapped_distance, source, source_num, Inkscape::SNAPTARGET_GRID, getSnapperTolerance(), getSnapperAlwaysSnap(), normal_to_line, point_on_line);
+ sc.grid_lines.push_back(dummy);
}
+void CanvasXYGridSnapper::_addSnappedPoint(SnappedConstraints &sc, Geom::Point const snapped_point, Geom::Coord const snapped_distance, SnapSourceType const &source, long source_num, bool constrained_snap) const
+{
+ SnappedPoint dummy = SnappedPoint(snapped_point, source, source_num, Inkscape::SNAPTARGET_GRID, snapped_distance, getSnapperTolerance(), getSnapperAlwaysSnap(), constrained_snap, true);
+ sc.points.push_back(dummy);
+}
+/**
+ * \return true if this Snapper will snap at least one kind of point.
+ */
+bool CanvasXYGridSnapper::ThisSnapperMightSnap() const
+{
+ return _snap_enabled && _snapmanager->snapprefs.getSnapToGrids() && _snapmanager->snapprefs.getSnapModeBBoxOrNodes();
+}
-
-}; /* namespace Inkscape */
+} // namespace Inkscape
/*
@@ -871,4 +1057,4 @@ void CanvasXYGridSnapper::_addSnappedLine(SnappedConstraints &sc, NR::Point cons
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :