flood-context.cpp revision 1137482ecab2928952d08127515e9d0fc31a29d4
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Bucket fill drawing context, works by bitmap filling an area on a rendered version
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * of the current display and then tracing the result using potrace.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Lauris Kaplinski <lauris@kaplinski.com>
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * bulia byak <buliabyak@users.sf.net>
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * John Bintz <jcoswell@coswellproductions.org>
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Jon A. Cruz <jon@joncruz.org>
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Abhishek Sharma
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl>
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Copyright (C) 2000-2005 authors
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Copyright (C) 2000-2001 Ximian, Inc.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Released under GNU GPL, read the file 'COPYING' for more information
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic void sp_flood_finish(SPFloodContext *rc);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bool paintbucketContextRegistered = ToolFactory::instance().registerObject("/tools/paintbucket", createPaintbucketContext);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannconst std::string& SPFloodContext::getPrefsPath() {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannconst std::string SPFloodContext::prefsPath = "/tools/paintbucket";
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren HachmannSPFloodContext::SPFloodContext() : SPEventContext() {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SPEventContext *event_context = SP_EVENT_CONTEXT(flood_context);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann event_context->cursor_shape = cursor_paintbucket_xpm;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann //new (&flood_context->sel_changed_connection) sigc::connection();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann //rc->sel_changed_connection.~connection();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann /* fixme: This is necessary because we do not grab */
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann //G_OBJECT_CLASS(sp_flood_context_parent_class)->dispose(object);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Callback that processes the "changed" signal on the selection;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * destroys old and creates new knotholder.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic void sp_flood_context_selection_changed(Inkscape::Selection *selection, gpointer data)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ec->shape_editor->set_item(item, SH_KNOTHOLDER);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// if (((SPEventContextClass *) sp_flood_context_parent_class)->setup) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// ((SPEventContextClass *) sp_flood_context_parent_class)->setup(ec);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ec->shape_editor = new ShapeEditor(ec->desktop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SPItem *item = sp_desktop_selection(ec->desktop)->singleItem();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ec->shape_editor->set_item(item, SH_KNOTHOLDER);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann rc->sel_changed_connection = sp_desktop_selection(ec->desktop)->connectChanged(
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann sigc::bind(sigc::ptr_fun(&sp_flood_context_selection_changed), (gpointer)rc)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann rc->_message_context = new Inkscape::MessageContext((ec->desktop)->messageStack());
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Preferences *prefs = Inkscape::Preferences::get();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (prefs->getBool("/tools/paintbucket/selcue")) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// Changes from 0.48 -> 0.49 (Cairo)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// 0.49: Ignores alpha in background
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// 0.48: RGBA, 0.49 ARGB
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// 0.49: premultiplied alpha
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanninline static guint32 compose_onto(guint32 px, guint32 bg)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // guint ao = 255*255 - (255-ap)*(255-bp); ao = (ao + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // guint ao = (255-ap)*ab + 255*ap; ao = (ao + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint ao = 255; // Cairo version doesn't allow background to have alpha != 1.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint ro = (255-ap)*rb + 255*rp; ro = (ro + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint go = (255-ap)*gb + 255*gp; go = (go + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint bo = (255-ap)*bb + 255*bp; bo = (bo + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint pxout = AssembleARGB32(ao, ro, go, bo);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Get the pointer to a pixel in a pixel buffer.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param px The pixel buffer.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param x The X coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param y The Y coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param stride The rowstride of the pixel buffer.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanninline guint32 get_pixel(guchar *px, int x, int y, int stride) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return *reinterpret_cast<guint32*>(px + y * stride + x * 4);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanninline unsigned char * get_trace_pixel(guchar *trace_px, int x, int y, int width) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Generate the list of trace channel selection entries.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren HachmannGList * flood_channels_dropdown_items_list() {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann glist = g_list_append (glist, _("Visible Colors"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann glist = g_list_append (glist, _("Saturation"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann glist = g_list_append (glist, _("Lightness"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Generate the list of autogap selection entries.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann glist = g_list_append (glist, (void*) C_("Flood autogap", "None"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann glist = g_list_append (glist, (void*) C_("Flood autogap", "Small"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann glist = g_list_append (glist, (void*) C_("Flood autogap", "Medium"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann glist = g_list_append (glist, (void*) C_("Flood autogap", "Large"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Compare a pixel in a pixel buffer with another pixel to determine if a point should be included in the fill operation.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param check The pixel in the pixel buffer to check.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param orig The original selected pixel to use as the fill target color.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param merged_orig_pixel The original pixel merged with the background.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param dtc The desktop background color.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param threshold The fill threshold.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param method The fill method to use as defined in PaintBucketChannels.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic bool compare_pixels(guint32 check, guint32 orig, guint32 merged_orig_pixel, guint32 dtc, int threshold, PaintBucketChannels method)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann float hsl_check[3] = {0,0,0}, hsl_orig[3] = {0,0,0};
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint32 amop = 0, rmop = 0, gmop = 0, bmop = 0;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ExtractARGB32(merged_orig_pixel, amop, rmop, gmop, bmop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann sp_color_rgb_to_hsl_floatv(hsl_check, rc / dac, gc / dac, bc / dac);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann sp_color_rgb_to_hsl_floatv(hsl_orig, ro / dao, go / dao, bo / dao);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return abs(static_cast<int>(ac) - ao) <= threshold;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return abs(static_cast<int>(ac ? unpremul_alpha(rc, ac) : 0) - (ao ? unpremul_alpha(ro, ao) : 0)) <= threshold;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return abs(static_cast<int>(ac ? unpremul_alpha(gc, ac) : 0) - (ao ? unpremul_alpha(go, ao) : 0)) <= threshold;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return abs(static_cast<int>(ac ? unpremul_alpha(bc, ac) : 0) - (ao ? unpremul_alpha(bo, ao) : 0)) <= threshold;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann //amc = 255*255 - (255-ac)*(255-ad); amc = (amc + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann //amc = (255-ac)*ad + 255*ac; amc = (amc + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann amc = 255; // Why are we looking at desktop? Cairo version ignores destop alpha
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann rmc = (255-ac)*rd + 255*rc; rmc = (rmc + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann gmc = (255-ac)*gd + 255*gc; gmc = (gmc + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bmc = (255-ac)*bd + 255*bc; bmc = (bmc + 127) / 255;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann diff += abs(static_cast<int>(amc ? unpremul_alpha(rmc, amc) : 0) - (amop ? unpremul_alpha(rmop, amop) : 0));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann diff += abs(static_cast<int>(amc ? unpremul_alpha(gmc, amc) : 0) - (amop ? unpremul_alpha(gmop, amop) : 0));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann diff += abs(static_cast<int>(amc ? unpremul_alpha(bmc, amc) : 0) - (amop ? unpremul_alpha(bmop, amop) : 0));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return ((diff / 3) <= ((threshold * 3) / 4));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return ((int)(fabs(hsl_check[0] - hsl_orig[0]) * 100.0) <= threshold);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return ((int)(fabs(hsl_check[1] - hsl_orig[1]) * 100.0) <= threshold);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return ((int)(fabs(hsl_check[2] - hsl_orig[2]) * 100.0) <= threshold);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return false;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline bool is_pixel_checked(unsigned char *t) { return (*t & PIXEL_CHECKED) == PIXEL_CHECKED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline bool is_pixel_queued(unsigned char *t) { return (*t & PIXEL_QUEUED) == PIXEL_QUEUED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline bool is_pixel_paintability_checked(unsigned char *t) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return !((*t & PIXEL_PAINTABLE) == 0) && ((*t & PIXEL_NOT_PAINTABLE) == 0);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline bool is_pixel_paintable(unsigned char *t) { return (*t & PIXEL_PAINTABLE) == PIXEL_PAINTABLE; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline bool is_pixel_colored(unsigned char *t) { return (*t & PIXEL_COLORED) == PIXEL_COLORED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline void mark_pixel_checked(unsigned char *t) { *t |= PIXEL_CHECKED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline void mark_pixel_unchecked(unsigned char *t) { *t ^= PIXEL_CHECKED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline void mark_pixel_queued(unsigned char *t) { *t |= PIXEL_QUEUED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline void mark_pixel_paintable(unsigned char *t) { *t |= PIXEL_PAINTABLE; *t ^= PIXEL_NOT_PAINTABLE; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline void mark_pixel_not_paintable(unsigned char *t) { *t |= PIXEL_NOT_PAINTABLE; *t ^= PIXEL_PAINTABLE; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline void mark_pixel_colored(unsigned char *t) { *t |= PIXEL_COLORED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic inline void clear_pixel_paintability(unsigned char *t) { *t ^= PIXEL_PAINTABLE; *t ^= PIXEL_NOT_PAINTABLE; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int x;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int y;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int width;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int height;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int stride;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int radius;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Check if a pixel can be included in the fill.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param px The rendered pixel buffer to check.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param trace_t The pixel in the trace pixel buffer to check or mark.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param x The X coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param y The y coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param orig_color The original selected pixel to use as the fill target color.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param bci The bitmap_coords_info structure.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanninline static bool check_if_pixel_is_paintable(guchar *px, unsigned char *trace_t, int x, int y, guint32 orig_color, bitmap_coords_info bci) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (is_pixel_paintability_checked(trace_t)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint32 pixel = get_pixel(px, x, y, bci.stride);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (compare_pixels(pixel, orig_color, bci.merged_orig_pixel, bci.dtc, bci.threshold, bci.method)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann return false;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Perform the bitmap-to-vector tracing and place the traced path onto the document.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param px The trace pixel buffer to trace to SVG.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param desktop The desktop on which to place the final SVG path.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param transform The transform to apply to the final SVG path.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param union_with_selection If true, merge the final SVG path with the current selection.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic void do_trace(bitmap_coords_info bci, guchar *trace_px, SPDesktop *desktop, Geom::Affine transform, unsigned int min_x, unsigned int max_x, unsigned int min_y, unsigned int max_y, bool union_with_selection) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SPDocument *document = sp_desktop_document(desktop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *trace_t;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann GrayMap *gray_map = GrayMapCreate((max_x - min_x + 1), (max_y - min_y + 1));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int gray_map_y = 0;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int y = min_y; y <= max_y; y++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned long *gray_map_t = gray_map->rows[gray_map_y];
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann trace_t = get_trace_pixel(trace_px, min_x, y, bci.width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int x = min_x; x <= max_x; x++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann *gray_map_t = is_pixel_colored(trace_t) ? GRAYMAP_BLACK : GRAYMAP_WHITE;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Trace::Potrace::PotraceTracingEngine pte;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann std::vector<Inkscape::Trace::TracingEngineResult> results = pte.traceGrayMap(gray_map);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann //XML Tree being used here directly while it shouldn't be...."
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::XML::Document *xml_doc = desktop->doc()->getReprDoc();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Preferences *prefs = Inkscape::Preferences::get();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann double offset = prefs->getDouble("/tools/paintbucket/offset", 0.0);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int i=0 ; i<results.size() ; i++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Trace::TracingEngineResult result = results[i];
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::XML::Node *pathRepr = xml_doc->createElement("svg:path");
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann /* Set style */
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann sp_desktop_apply_style_tool (desktop, pathRepr, "/tools/paintbucket", false);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::PathVector pathv = sp_svg_read_pathv(result.getPathData().c_str());
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann expanded_path_shape->ConvertToShape(path_shape, fill_nonZero);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann path_shape->MakeOffset(expanded_path_shape, offset * desktop->current_zoom(), join_round, 4);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann expanded_path_shape->ConvertToShape(path_shape, fill_positive);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann expanded_path_shape->ConvertToForme(expanded_path);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Too much inset</b>, the result is empty."));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->currentLayer()->addChild(pathRepr,NULL);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SPObject *reprobj = document->getObjectByRepr(pathRepr);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SP_ITEM(reprobj)->doWriteTransform(pathRepr, transform, NULL);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // premultiply the item transform by the accumulated parent transform in the paste layer
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Affine local (SP_GROUP(desktop->currentLayer())->i2doc_affine());
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann gchar const *t_str = pathRepr->attribute("transform");
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann gchar *affinestr=sp_svg_transform_write(item_t);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann pathRepr->setAttribute("transform", affinestr);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Selection *selection = sp_desktop_selection(desktop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->messageStack()->flashF( Inkscape::WARNING_MESSAGE,
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ngettext("Area filled, path with <b>%d</b> node created and unioned with selection.","Area filled, path with <b>%d</b> nodes created and unioned with selection.",
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SP_PATH(reprobj)->nodesInPath()), SP_PATH(reprobj)->nodesInPath() );
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->messageStack()->flashF( Inkscape::WARNING_MESSAGE,
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ngettext("Area filled, path with <b>%d</b> node created.","Area filled, path with <b>%d</b> nodes created.",
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SP_PATH(reprobj)->nodesInPath()), SP_PATH(reprobj)->nodesInPath() );
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * The possible return states of perform_bitmap_scanline_check().
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Determine if the provided coordinates are within the pixel buffer limits.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param x The X coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param y The Y coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param bci The bitmap_coords_info structure.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanninline static bool coords_in_range(unsigned int x, unsigned int y, bitmap_coords_info bci) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Paint a pixel or a square (if autogap is enabled) on the trace pixel buffer.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param px The rendered pixel buffer to check.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param trace_px The trace pixel buffer.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param orig_color The original selected pixel to use as the fill target color.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param bci The bitmap_coords_info structure.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param original_point_trace_t The original pixel in the trace pixel buffer to check.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanninline static unsigned int paint_pixel(guchar *px, guchar *trace_px, guint32 orig_color, bitmap_coords_info bci, unsigned char *original_point_trace_t) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *trace_t;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int ty = bci.y - bci.radius; ty <= bci.y + bci.radius; ty++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int tx = bci.x - bci.radius; tx <= bci.x + bci.radius; tx++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann trace_t = get_trace_pixel(trace_px, tx, ty, bci.width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (check_if_pixel_is_paintable(px, trace_t, tx, ty, orig_color, bci)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int paint_directions = 0;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (can_paint_left) { paint_directions += PAINT_DIRECTION_LEFT; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (can_paint_right) { paint_directions += PAINT_DIRECTION_RIGHT; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (can_paint_up) { paint_directions += PAINT_DIRECTION_UP; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (can_paint_down) { paint_directions += PAINT_DIRECTION_DOWN; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Push a point to be checked onto the bottom of the rendered pixel buffer check queue.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param fill_queue The fill queue to add the point to.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param max_queue_size The maximum size of the fill queue.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param trace_t The trace pixel buffer pixel.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param x The X coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param y The Y coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic void push_point_onto_queue(std::deque<Geom::Point> *fill_queue, unsigned int max_queue_size, unsigned char *trace_t, unsigned int x, unsigned int y) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Shift a point to be checked onto the top of the rendered pixel buffer check queue.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param fill_queue The fill queue to add the point to.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param max_queue_size The maximum size of the fill queue.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param trace_t The trace pixel buffer pixel.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param x The X coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param y The Y coordinate.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic void shift_point_onto_queue(std::deque<Geom::Point> *fill_queue, unsigned int max_queue_size, unsigned char *trace_t, unsigned int x, unsigned int y) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Scan a row in the rendered pixel buffer and add points to the fill queue as necessary.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param fill_queue The fill queue to add the point to.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param px The rendered pixel buffer.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param trace_px The trace pixel buffer.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param orig_color The original selected pixel to use as the fill target color.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param bci The bitmap_coords_info structure.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic ScanlineCheckResult perform_bitmap_scanline_check(std::deque<Geom::Point> *fill_queue, guchar *px, guchar *trace_px, guint32 orig_color, bitmap_coords_info bci, unsigned int *min_x, unsigned int *max_x) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *current_trace_t = get_trace_pixel(trace_px, bci.x, bci.y, bci.width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bool can_paint_bottom = (bottom_ty < bci.height);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (check_if_pixel_is_paintable(px, current_trace_t, bci.x, bci.y, orig_color, bci)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann paint_directions = paint_pixel(px, trace_px, orig_color, bci, current_trace_t);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if ((t[Geom::X] == bci.x) && (t[Geom::Y] == bci.y)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann fill_queue->pop_front(); t = fill_queue->front();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *trace_t = current_trace_t - bci.width;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bool ok_to_paint = check_if_pixel_is_paintable(px, trace_t, bci.x, top_ty, orig_color, bci);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (initial_paint) { currently_painting_top = !ok_to_paint; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (ok_to_paint && (!currently_painting_top)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann push_point_onto_queue(fill_queue, bci.max_queue_size, trace_t, bci.x, top_ty);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if ((!ok_to_paint) && currently_painting_top) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (paint_directions & PAINT_DIRECTION_DOWN) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *trace_t = current_trace_t + bci.width;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bool ok_to_paint = check_if_pixel_is_paintable(px, trace_t, bci.x, bottom_ty, orig_color, bci);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (initial_paint) { currently_painting_bottom = !ok_to_paint; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (ok_to_paint && (!currently_painting_bottom)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann push_point_onto_queue(fill_queue, bci.max_queue_size, trace_t, bci.x, bottom_ty);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if ((!ok_to_paint) && currently_painting_bottom) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (paint_directions & PAINT_DIRECTION_LEFT) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (paint_directions & PAINT_DIRECTION_RIGHT) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (bci.bbox.min()[Geom::X] > bci.screen.min()[Geom::X]) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann aborted = true; break;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (aborted) { return SCANLINE_CHECK_ABORTED; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (reached_screen_boundary) { return SCANLINE_CHECK_BOUNDARY; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Sort the rendered pixel buffer check queue vertically.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic bool sort_fill_queue_vertical(Geom::Point a, Geom::Point b) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Sort the rendered pixel buffer check queue horizontally.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic bool sort_fill_queue_horizontal(Geom::Point a, Geom::Point b) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * Perform a flood fill operation.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param event_context The event context for this tool.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param event The details of this event.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param union_with_selection If true, union the new fill with the current selection.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param is_point_fill If false, use the Rubberband "touch selection" to get the initial points for the fill.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * @param is_touch_fill If true, use only the initial contact point in the Rubberband "touch selection" as the fill target color.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic void sp_flood_do_flood_fill(SPEventContext *event_context, GdkEvent *event, bool union_with_selection, bool is_point_fill, bool is_touch_fill) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SPDocument *document = sp_desktop_document(desktop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::OptRect bbox = document->getRoot()->visualBounds();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Area is not bounded</b>, cannot fill."));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // Render 160% of the physical display to the render pixel buffer, so that available
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // fill areas off the screen can be included in the fill.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Rect screen = desktop->get_display_area();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int width = (int)ceil(screen.width() * zoom_scale * padding);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int height = (int)ceil(screen.height() * zoom_scale * padding);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann document->getHeight() - screen.height() - screen.min()[Geom::Y]);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann origin[Geom::X] += (screen.width() * ((1 - padding) / 2));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann origin[Geom::Y] += (screen.height() * ((1 - padding) / 2));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Affine affine = scale * Geom::Translate(-origin * scale);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // Draw image into data block px
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann { // this block limits the lifetime of Drawing and DrawingContext
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann /* Create DrawingItems and set transform */
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::DrawingItem *root = document->getRoot()->invoke_show( drawing, dkey, SP_ITEM_SHOW_DISPLAY);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::IntRect final_bbox = Geom::IntRect::from_xywh(0, 0, width, height);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann cairo_surface_t *s = cairo_image_surface_create_for_data(
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann px, CAIRO_FORMAT_ARGB32, width, height, stride);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::DrawingContext ct(s, Geom::Point(0,0));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // cairo_translate not necessary here - surface origin is at 0,0
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SPNamedView *nv = sp_desktop_namedview(desktop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // bgcolor is 0xrrggbbaa, we need 0xaarrggbb
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann //cairo_surface_write_to_png( s, "cairo.png" );
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // Hide items
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // // Dump data to png
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // cairo_surface_t *s = cairo_image_surface_create_for_data(
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // px, CAIRO_FORMAT_ARGB32, width, height, stride);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // cairo_surface_write_to_png( s, "cairo2.png" );
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // std::cout << " Wrote cairo2.png" << std::endl;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guchar *trace_px = g_new(guchar, width * height);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Preferences *prefs = Inkscape::Preferences::get();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann PaintBucketChannels method = (PaintBucketChannels) prefs->getInt("/tools/paintbucket/channels", 0);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann int threshold = prefs->getIntLimited("/tools/paintbucket/threshold", 1, 0, 100);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bci.radius = prefs->getIntLimited("/tools/paintbucket/autogap", 0, 0, 3);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann fill_points.push_back(Geom::Point(event->button.x, event->button.y));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Rubberband *r = Inkscape::Rubberband::get(desktop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int i = 0; i < fill_points.size(); i++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Point pw = Geom::Point(fill_points[i][Geom::X] / zoom_scale, document->getHeight() + (fill_points[i][Geom::Y] / zoom_scale)) * affine;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann pw[Geom::X] = (int)MIN(width - 1, MAX(0, pw[Geom::X]));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann pw[Geom::Y] = (int)MIN(height - 1, MAX(0, pw[Geom::Y]));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (i == 0) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *trace_t = get_trace_pixel(trace_px, (int)pw[Geom::X], (int)pw[Geom::Y], width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann push_point_onto_queue(&fill_queue, bci.max_queue_size, trace_t, (int)pw[Geom::X], (int)pw[Geom::Y]);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int max_y = 0;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int max_x = 0;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Point color_point = color_queue.front();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann guint32 orig_color = get_pixel(px, cx, cy, stride);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bci.merged_orig_pixel = compose_onto(orig_color, dtc);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *trace_t = get_trace_pixel(trace_px, cx, cy, width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (!is_pixel_checked(trace_t) && !is_pixel_colored(trace_t)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (check_if_pixel_is_paintable(px, trace_px, cx, cy, orig_color, bci)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann shift_point_onto_queue(&fill_queue, bci.max_queue_size, trace_t, cx, cy);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int y = 0; y < height; y++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann trace_t = get_trace_pixel(trace_px, 0, y, width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (unsigned int x = 0; x < width; x++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned long old_fill_queue_size = fill_queue.size();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned long new_fill_queue_size = fill_queue.size();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * To reduce the number of points in the fill queue, periodically
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * resort all of the points in the queue so that scanline checks
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * can complete more quickly. A point cannot be checked twice
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * in a normal scanline checks, so forcing scanline checks to start
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * from one corner of the rendered area as often as possible
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann * will reduce the number of points that need to be checked and queued.
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (new_fill_queue_size > sort_size_threshold) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (new_fill_queue_size > old_fill_queue_size) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann std::sort(fill_queue.begin(), fill_queue.end(), sort_fill_queue_vertical);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann std::deque<Geom::Point>::iterator start_sort = fill_queue.begin();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann std::deque<Geom::Point>::iterator end_sort = fill_queue.begin();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned int sort_y = (unsigned int)cp[Geom::Y];
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann for (std::deque<Geom::Point>::iterator i = fill_queue.begin(); i != fill_queue.end(); i++) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann std::sort(start_sort, end_sort, sort_fill_queue_horizontal);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann std::sort(start_sort, end_sort, sort_fill_queue_horizontal);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann unsigned char *trace_t = get_trace_pixel(trace_px, x, y, width);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (y == 0) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (bbox->min()[Geom::Y] > screen.min()[Geom::Y]) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann aborted = true; break;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (bbox->max()[Geom::Y] < screen.max()[Geom::Y]) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann aborted = true; break;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ScanlineCheckResult result = perform_bitmap_scanline_check(&fill_queue, px, trace_px, orig_color, bci, &min_x, &max_x);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (!is_pixel_checked(trace_t) && !is_pixel_queued(trace_t)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann result = perform_bitmap_scanline_check(&fill_queue, px, trace_px, orig_color, bci, &min_x, &max_x);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Area is not bounded</b>, cannot fill."));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Only the visible part of the bounded area was filled.</b> If you want to fill all of the area, undo, zoom out, and fill again."));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (min_y > trace_padding) { min_y -= trace_padding; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (max_y < (y_limit - trace_padding)) { max_y += trace_padding; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (min_x > trace_padding) { min_x -= trace_padding; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (max_x < (width - 1 - trace_padding)) { max_x += trace_padding; }
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Point min_start = Geom::Point(min_x, min_y);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann affine = scale * Geom::Translate(-origin * scale - min_start);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Affine inverted_affine = Geom::Affine(affine).inverse();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann do_trace(bci, trace_px, desktop, inverted_affine, min_x, max_x, min_y, max_y, union_with_selection);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann DocumentUndo::done(document, SP_VERB_CONTEXT_PAINTBUCKET, _("Fill bounded area"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanngint SPFloodContext::item_handler(SPItem* item, GdkEvent* event) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if ((event->button.state & GDK_CONTROL_MASK) && event->button.button == 1 && !event_context->space_panning) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann SPItem *item = sp_event_context_find_item (desktop, button_w, TRUE, TRUE);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann desktop->applyCurrentOrToolStyle(item, "/tools/paintbucket", false);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_CONTEXT_PAINTBUCKET, _("Set style on object"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// if (((SPEventContextClass *) sp_flood_context_parent_class)->item_handler) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// ret = ((SPEventContextClass *) sp_flood_context_parent_class)->item_handler(event_context, item, event);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // CPPIFY: ret is overwritten...
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann ret = SPEventContext::item_handler(item, event);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmanngint SPFloodContext::root_handler(GdkEvent* event) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (event->button.button == 1 && !event_context->space_panning) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (!(event->button.state & GDK_CONTROL_MASK)) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (Inkscape::have_viable_layer(desktop, event_context->defaultMessageContext())) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // save drag origin
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann event_context->xp = (gint) button_w[Geom::X];
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann event_context->yp = (gint) button_w[Geom::Y];
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Rubberband::get(desktop)->setMode(RUBBERBAND_MODE_TOUCHPATH);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Rubberband::get(desktop)->start(desktop, p);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann && ( event->motion.state & GDK_BUTTON1_MASK ) && !event_context->space_panning)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann && ( abs( (gint) event->motion.x - event_context->xp ) < event_context->tolerance )
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann && ( abs( (gint) event->motion.y - event_context->yp ) < event_context->tolerance ) ) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann break; // do not drag if we're within tolerance from origin
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Point const motion_pt(event->motion.x, event->motion.y);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Geom::Point const p(desktop->w2d(motion_pt));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (Inkscape::Rubberband::get(desktop)->is_started()) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Draw over</b> areas to add to fill, hold <b>Alt</b> for touch fill"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann if (event->button.button == 1 && !event_context->space_panning) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Rubberband *r = Inkscape::Rubberband::get(desktop);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // set "busy" cursor
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // Since setWaitingCursor runs main loop iterations, we may have already left this tool!
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // So check if the tool is valid before doing anything
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bool is_point_fill = event_context->within_tolerance;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann bool is_touch_fill = event->button.state & GDK_MOD1_MASK;
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann sp_flood_do_flood_fill(event_context, event, event->button.state & GDK_SHIFT_MASK, is_point_fill, is_touch_fill);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // restore cursor when done; note that it may already be different if e.g. user
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // switched to another tool during interruptible tracing or drawing, in which case do nothing
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann event_context->defaultMessageContext()->clear();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann // prevent the zoom field from activation
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// if (((SPEventContextClass *) sp_flood_context_parent_class)->root_handler) {
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// ret = ((SPEventContextClass *) sp_flood_context_parent_class)->root_handler(event_context, event);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannstatic void sp_flood_finish(SPFloodContext *rc)
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann sp_desktop_selection(desktop)->set(rc->item);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_CONTEXT_PAINTBUCKET,
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann _("Fill bounded area"));
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmannvoid flood_channels_set_channels( gint channels )
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Inkscape::Preferences *prefs = Inkscape::Preferences::get();
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann prefs->setInt("/tools/paintbucket/channels", channels);
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann Local Variables:
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann c-file-style:"stroustrup"
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann indent-tabs-mode:nil
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann fill-column:99
7fe4c67a006b3dd81ecfc9ea7d29307e75f62861Maren Hachmann// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :