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Viewing changes to src/dropper-context.cpp

Committer: cilix42
Date: 2008-09-18 17:48:42 UTC
Revision ID: cilix42@users.sourceforge.net-20080918174842-1ad33a7d7gqhv2hq

Next roud of NR ==> Geom conversion

files modified:
src/box3d.cpp

src/desktop-style.cpp

src/desktop.cpp

src/desktop.h

src/display/canvas-arena.cpp

src/display/canvas-axonomgrid.cpp

src/display/canvas-axonomgrid.h

src/display/canvas-bpath.cpp

src/display/canvas-bpath.h

src/display/canvas-grid.cpp

src/display/canvas-grid.h

src/display/gnome-canvas-acetate.cpp

src/display/guideline.cpp

src/display/nr-arena-shape.cpp

src/display/sodipodi-ctrl.cpp

src/display/sodipodi-ctrl.h

src/display/sodipodi-ctrlrect.cpp

src/display/sodipodi-ctrlrect.h

src/display/sp-canvas-util.cpp

src/display/sp-canvas-util.h

src/display/sp-canvas.cpp

src/display/sp-canvas.h

src/display/sp-ctrlline.cpp

src/display/sp-ctrlline.h

src/display/sp-ctrlquadr.cpp

src/display/sp-ctrlquadr.h

src/document.cpp

src/document.h

src/dropper-context.cpp

src/dropper-context.h

src/dyna-draw-context.cpp

src/eraser-context.cpp

src/event-context.cpp

src/flood-context.cpp

src/gradient-context.cpp

src/gradient-context.h

src/gradient-drag.cpp

src/gradient-drag.h

src/interface.cpp

src/libnr/nr-convert2geom.h

src/line-geometry.cpp

src/line-geometry.h

src/livarot/Shape.h

src/livarot/ShapeMisc.cpp

src/marker.cpp

src/marker.h

src/node-context.cpp

src/nodepath.cpp

src/nodepath.h

src/pencil-context.cpp

src/rubberband.cpp

src/rubberband.h

src/selcue.cpp

src/select-context.cpp

src/selection-chemistry.cpp

src/seltrans.cpp

src/shape-editor.cpp

src/shape-editor.h

src/sp-flowtext.cpp

src/sp-image.cpp

src/sp-item-group.cpp

src/sp-item-group.h

src/sp-item.cpp

src/sp-item.h

src/sp-namedview.cpp

src/sp-namedview.h

src/sp-root.cpp

src/sp-root.h

src/sp-shape.cpp

src/sp-symbol.cpp

src/sp-text.cpp

src/sp-tref.cpp

src/sp-tspan.cpp

src/sp-use.cpp

src/splivarot.cpp

src/text-context.cpp

src/text-editing.cpp

src/tweak-context.cpp

src/ui/view/edit-widget.cpp

src/ui/widget/zoom-status.cpp

src/verbs.cpp

src/widgets/desktop-widget.cpp

src/widgets/font-selector.cpp

src/widgets/toolbox.cpp

src/zoom-context.cpp

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src/dropper-context.cpp

#include "dropper-context.h"

#include "message-context.h"

#include "libnr/nr-scale-translate-ops.h"

//#include "libnr/nr-scale-translate-ops.h"

static void sp_dropper_context_class_init(SPDropperContextClass *klass);

static void sp_dropper_context_init(SPDropperContext *dc);

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switch (event->type) {

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case GDK_BUTTON_PRESS:

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if (event->button.button == 1 && !event_context->space_panning) {

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dc->centre = NR::Point(event->button.x, event->button.y);

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dc->centre = Geom::Point(event->button.x, event->button.y);

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dc->dragging = TRUE;

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ret = TRUE;

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}

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// calculate average

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// radius

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rw = std::min(NR::L2(NR::Point(event->button.x, event->button.y) - dc->centre), 400.0);

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rw = std::min(Geom::L2(Geom::Point(event->button.x, event->button.y) - dc->centre), 400.0);

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if (rw == 0) { // happens sometimes, little idea why...

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break;

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}

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NR::Point const cd = desktop->w2d(dc->centre);

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NR::Matrix const w2dt = desktop->w2d();

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const double scale = rw * NR::expansion(w2dt);

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NR::Matrix const sm( NR::scale(scale, scale) * NR::translate(cd) );

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Geom::Point const cd = desktop->w2d(dc->centre);

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Geom::Matrix const w2dt = desktop->w2d();

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const double scale = rw * w2dt.descrim();

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Geom::Matrix const sm( Geom::Scale(scale, scale) * Geom::Translate(cd) );

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sp_canvas_item_affine_absolute(dc->area, sm);

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sp_canvas_item_show(dc->area);

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/* Get buffer */

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const int x0 = (int) floor(dc->centre[NR::X] - rw);

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const int y0 = (int) floor(dc->centre[NR::Y] - rw);

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const int x1 = (int) ceil(dc->centre[NR::X] + rw);

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const int y1 = (int) ceil(dc->centre[NR::Y] + rw);

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const int x0 = (int) floor(dc->centre[Geom::X] - rw);

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const int y0 = (int) floor(dc->centre[Geom::Y] - rw);

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const int x1 = (int) ceil(dc->centre[Geom::X] + rw);

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const int y1 = (int) ceil(dc->centre[Geom::Y] + rw);

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if ((x1 > x0) && (y1 > y0)) {

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NRPixBlock pb;

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for (int y = y0; y < y1; y++) {

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const unsigned char *s = NR_PIXBLOCK_PX(&pb) + (y - y0) * pb.rs;

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for (int x = x0; x < x1; x++) {

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const double dx = x - dc->centre[NR::X];

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const double dy = y - dc->centre[NR::Y];

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const double dx = x - dc->centre[Geom::X];

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const double dy = y - dc->centre[Geom::Y];

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const double w = exp(-((dx * dx) + (dy * dy)) / (rw * rw));

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W += w;

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R += w * s[0];

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