/** * Returns the current dropper context color. */ guint32 sp_dropper_context_get_color(SPEventContext *ec) { SPDropperContext *dc = SP_DROPPER_CONTEXT(ec); Inkscape::Preferences *prefs = Inkscape::Preferences::get(); int pick = prefs->getInt("/tools/dropper/pick", SP_DROPPER_PICK_VISIBLE); bool setalpha = prefs->getBool("/tools/dropper/setalpha", true); return SP_RGBA32_F_COMPOSE(dc->R, dc->G, dc->B, (pick == SP_DROPPER_PICK_ACTUAL && setalpha) ? dc->alpha : 1.0); }
static gint sp_dropper_context_root_handler(SPEventContext *event_context, GdkEvent *event) { SPDropperContext *dc = (SPDropperContext *) event_context; int ret = FALSE; SPDesktop *desktop = event_context->desktop; Inkscape::Preferences *prefs = Inkscape::Preferences::get(); int pick = prefs->getInt("/tools/dropper/pick", SP_DROPPER_PICK_VISIBLE); bool setalpha = prefs->getBool("/tools/dropper/setalpha", true); switch (event->type) { case GDK_BUTTON_PRESS: if (event->button.button == 1 && !event_context->space_panning) { dc->centre = Geom::Point(event->button.x, event->button.y); dc->dragging = TRUE; ret = TRUE; } break; case GDK_MOTION_NOTIFY: if (event->motion.state & GDK_BUTTON2_MASK) { // pass on middle-drag ret = FALSE; break; } else if (!event_context->space_panning) { // otherwise, constantly calculate color no matter is any button pressed or not double rw = 0.0; double W(0), R(0), G(0), B(0), A(0); if (dc->dragging) { // calculate average // radius rw = std::min(Geom::L2(Geom::Point(event->button.x, event->button.y) - dc->centre), 400.0); if (rw == 0) { // happens sometimes, little idea why... break; } Geom::Point const cd = desktop->w2d(dc->centre); Geom::Matrix const w2dt = desktop->w2d(); const double scale = rw * w2dt.descrim(); Geom::Matrix const sm( Geom::Scale(scale, scale) * Geom::Translate(cd) ); sp_canvas_item_affine_absolute(dc->area, sm); sp_canvas_item_show(dc->area); /* Get buffer */ const int x0 = (int) floor(dc->centre[Geom::X] - rw); const int y0 = (int) floor(dc->centre[Geom::Y] - rw); const int x1 = (int) ceil(dc->centre[Geom::X] + rw); const int y1 = (int) ceil(dc->centre[Geom::Y] + rw); if ((x1 > x0) && (y1 > y0)) { NRPixBlock pb; nr_pixblock_setup_fast(&pb, NR_PIXBLOCK_MODE_R8G8B8A8P, x0, y0, x1, y1, TRUE); /* fixme: (Lauris) */ sp_canvas_arena_render_pixblock(SP_CANVAS_ARENA(sp_desktop_drawing(desktop)), &pb); for (int y = y0; y < y1; y++) { const unsigned char *s = NR_PIXBLOCK_PX(&pb) + (y - y0) * pb.rs; for (int x = x0; x < x1; x++) { const double dx = x - dc->centre[Geom::X]; const double dy = y - dc->centre[Geom::Y]; const double w = exp(-((dx * dx) + (dy * dy)) / (rw * rw)); W += w; R += w * s[0]; G += w * s[1]; B += w * s[2]; A += w * s[3]; s += 4; } } nr_pixblock_release(&pb); R = (R + 0.001) / (255.0 * W); G = (G + 0.001) / (255.0 * W); B = (B + 0.001) / (255.0 * W); A = (A + 0.001) / (255.0 * W); R = CLAMP(R, 0.0, 1.0); G = CLAMP(G, 0.0, 1.0); B = CLAMP(B, 0.0, 1.0); A = CLAMP(A, 0.0, 1.0); } } else { // pick single pixel NRPixBlock pb; int x = (int) floor(event->button.x); int y = (int) floor(event->button.y); nr_pixblock_setup_fast(&pb, NR_PIXBLOCK_MODE_R8G8B8A8P, x, y, x+1, y+1, TRUE); sp_canvas_arena_render_pixblock(SP_CANVAS_ARENA(sp_desktop_drawing(desktop)), &pb); const unsigned char *s = NR_PIXBLOCK_PX(&pb); R = s[0] / 255.0; G = s[1] / 255.0; B = s[2] / 255.0; A = s[3] / 255.0; } if (pick == SP_DROPPER_PICK_VISIBLE) { // compose with page color guint32 bg = sp_desktop_namedview(desktop)->pagecolor; R = R + (SP_RGBA32_R_F(bg)) * (1 - A); G = G + (SP_RGBA32_G_F(bg)) * (1 - A); B = B + (SP_RGBA32_B_F(bg)) * (1 - A); A = 1.0; } else { // un-premultiply color channels if (A > 0) { R /= A; G /= A; B /= A; } } if (fabs(A) < 1e-4) { A = 0; // suppress exponentials, CSS does not allow that } // remember color dc->R = R; dc->G = G; dc->B = B; dc->alpha = A; // status message double alpha_to_set = setalpha? dc->alpha : 1.0; guint32 c32 = SP_RGBA32_F_COMPOSE(R, G, B, alpha_to_set); gchar c[64]; sp_svg_write_color(c, sizeof(c), c32); // alpha of color under cursor, to show in the statusbar // locale-sensitive printf is OK, since this goes to the UI, not into SVG gchar *alpha = g_strdup_printf(_(" alpha %.3g"), alpha_to_set); // where the color is picked, to show in the statusbar gchar *where = dc->dragging ? g_strdup_printf(_(", averaged with radius %d"), (int) rw) : g_strdup_printf(_(" under cursor")); // message, to show in the statusbar const gchar *message = dc->dragging ? _("<b>Release mouse</b> to set color.") : _("<b>Click</b> to set fill, <b>Shift+click</b> to set stroke; <b>drag</b> to average color in area; with <b>Alt</b> to pick inverse color; <b>Ctrl+C</b> to copy the color under mouse to clipboard"); event_context->defaultMessageContext()->setF( Inkscape::NORMAL_MESSAGE, "<b>%s%s</b>%s. %s", c, (pick == SP_DROPPER_PICK_VISIBLE)? "" : alpha, where, message ); g_free(where); g_free(alpha); ret = TRUE; } break; case GDK_BUTTON_RELEASE: if (event->button.button == 1 && !event_context->space_panning) { sp_canvas_item_hide(dc->area); dc->dragging = FALSE; double alpha_to_set = setalpha? dc->alpha : 1.0; // do the actual color setting sp_desktop_set_color(desktop, (event->button.state & GDK_MOD1_MASK)? ColorRGBA(1 - dc->R, 1 - dc->G, 1 - dc->B, alpha_to_set) : ColorRGBA(dc->R, dc->G, dc->B, alpha_to_set), false, !(event->button.state & GDK_SHIFT_MASK)); // REJON: set aux. toolbar input to hex color! if (!(sp_desktop_selection(desktop)->isEmpty())) { sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_DROPPER, _("Set picked color")); } ret = TRUE; } break; case GDK_KEY_PRESS: switch (get_group0_keyval(&event->key)) { case GDK_Up: case GDK_Down: case GDK_KP_Up: case GDK_KP_Down: // prevent the zoom field from activation if (!MOD__CTRL_ONLY) { ret = TRUE; } break; case GDK_Escape: sp_desktop_selection(desktop)->clear(); default: break; } break; default: break; } if (!ret) { if (((SPEventContextClass *) parent_class)->root_handler) { ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event); } } return ret; }
void ColorICCSelector::init() { GtkWidget *t; gint row = 0; _updating = FALSE; _dragging = FALSE; t = gtk_table_new (5, 3, FALSE); gtk_widget_show (t); gtk_box_pack_start (GTK_BOX (_csel), t, TRUE, TRUE, 4); #if defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) //guint partCount = _cmsChannelsOf( icSigRgbData ); gchar const** names = 0; gchar const** tips = 0; getThings( cmsSigRgbData, names, tips, _fooScales ); #endif // defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) /* Create components */ row = 0; _fixupBtn = gtk_button_new_with_label(_("Fix")); g_signal_connect( G_OBJECT(_fixupBtn), "clicked", G_CALLBACK(_fixupHit), (gpointer)this ); gtk_widget_set_sensitive( _fixupBtn, FALSE ); gtk_widget_set_tooltip_text( _fixupBtn, _("Fix RGB fallback to match icc-color() value.") ); //gtk_misc_set_alignment( GTK_MISC (_fixupBtn), 1.0, 0.5 ); gtk_widget_show( _fixupBtn ); gtk_table_attach( GTK_TABLE (t), _fixupBtn, 0, 1, row, row + 1, GTK_FILL, GTK_FILL, XPAD, YPAD ); // Combobox and store with 2 columns : label (0) and full name (1) GtkListStore *store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING); _profileSel = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store)); GtkCellRenderer *renderer = gtk_cell_renderer_text_new (); gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (_profileSel), renderer, TRUE); gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (_profileSel), renderer, "text", 0, NULL); GtkTreeIter iter; gtk_list_store_append (store, &iter); gtk_list_store_set (store, &iter, 0, _("<none>"), 1, _("<none>"), -1); gtk_widget_show( _profileSel ); gtk_combo_box_set_active( GTK_COMBO_BOX(_profileSel), 0 ); gtk_table_attach( GTK_TABLE(t), _profileSel, 1, 2, row, row + 1, GTK_FILL, GTK_FILL, XPAD, YPAD ); #if defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) _profChangedID = g_signal_connect( G_OBJECT(_profileSel), "changed", G_CALLBACK(_profileSelected), (gpointer)this ); #else gtk_widget_set_sensitive( _profileSel, false ); #endif // defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) row++; _fooCount = 4; _fooAdj = new GtkAdjustment*[_fooCount]; _fooSlider = new GtkWidget*[_fooCount]; _fooBtn = new GtkWidget*[_fooCount]; _fooLabel = new GtkWidget*[_fooCount]; _fooMap = new guchar*[_fooCount]; for ( guint i = 0; i < _fooCount; i++ ) { /* Label */ #if defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) _fooLabel[i] = gtk_label_new_with_mnemonic( names[i] ); #else _fooLabel[i] = gtk_label_new_with_mnemonic( "." ); #endif // defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) gtk_misc_set_alignment( GTK_MISC (_fooLabel[i]), 1.0, 0.5 ); gtk_widget_show( _fooLabel[i] ); gtk_table_attach( GTK_TABLE (t), _fooLabel[i], 0, 1, row, row + 1, GTK_FILL, GTK_FILL, XPAD, YPAD ); /* Adjustment */ gdouble step = static_cast<gdouble>(_fooScales[i]) / 100.0; gdouble page = static_cast<gdouble>(_fooScales[i]) / 10.0; gint digits = (step > 0.9) ? 0 : 2; _fooAdj[i] = GTK_ADJUSTMENT( gtk_adjustment_new( 0.0, 0.0, _fooScales[i], step, page, page ) ); /* Slider */ _fooSlider[i] = sp_color_slider_new( _fooAdj[i] ); #if defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) gtk_widget_set_tooltip_text( _fooSlider[i], tips[i] ); #else gtk_widget_set_tooltip_text( _fooSlider[i], "." ); #endif // defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) gtk_widget_show( _fooSlider[i] ); gtk_table_attach( GTK_TABLE (t), _fooSlider[i], 1, 2, row, row + 1, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)GTK_FILL, XPAD, YPAD ); _fooBtn[i] = gtk_spin_button_new( _fooAdj[i], step, digits ); #if defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) gtk_widget_set_tooltip_text( _fooBtn[i], tips[i] ); #else gtk_widget_set_tooltip_text( _fooBtn[i], "." ); #endif // defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2) sp_dialog_defocus_on_enter( _fooBtn[i] ); gtk_label_set_mnemonic_widget( GTK_LABEL(_fooLabel[i]), _fooBtn[i] ); gtk_widget_show( _fooBtn[i] ); gtk_table_attach( GTK_TABLE (t), _fooBtn[i], 2, 3, row, row + 1, (GtkAttachOptions)0, (GtkAttachOptions)0, XPAD, YPAD ); _fooMap[i] = g_new( guchar, 4 * 1024 ); memset( _fooMap[i], 0x0ff, 1024 * 4 ); /* Signals */ g_signal_connect( G_OBJECT( _fooAdj[i] ), "value_changed", G_CALLBACK( _adjustmentChanged ), _csel ); g_signal_connect( G_OBJECT( _fooSlider[i] ), "grabbed", G_CALLBACK( _sliderGrabbed ), _csel ); g_signal_connect( G_OBJECT( _fooSlider[i] ), "released", G_CALLBACK( _sliderReleased ), _csel ); g_signal_connect( G_OBJECT( _fooSlider[i] ), "changed", G_CALLBACK( _sliderChanged ), _csel ); row++; } /* Label */ _label = gtk_label_new_with_mnemonic (_("_A:")); gtk_misc_set_alignment (GTK_MISC (_label), 1.0, 0.5); gtk_widget_show (_label); gtk_table_attach (GTK_TABLE (t), _label, 0, 1, row, row + 1, GTK_FILL, GTK_FILL, XPAD, YPAD); /* Adjustment */ _adj = (GtkAdjustment *) gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 10.0, 10.0); /* Slider */ _slider = sp_color_slider_new (_adj); gtk_widget_set_tooltip_text (_slider, _("Alpha (opacity)")); gtk_widget_show (_slider); gtk_table_attach (GTK_TABLE (t), _slider, 1, 2, row, row + 1, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)GTK_FILL, XPAD, YPAD); sp_color_slider_set_colors( SP_COLOR_SLIDER( _slider ), SP_RGBA32_F_COMPOSE( 1.0, 1.0, 1.0, 0.0 ), SP_RGBA32_F_COMPOSE( 1.0, 1.0, 1.0, 0.5 ), SP_RGBA32_F_COMPOSE( 1.0, 1.0, 1.0, 1.0 ) ); /* Spinbutton */ _sbtn = gtk_spin_button_new (GTK_ADJUSTMENT (_adj), 1.0, 0); gtk_widget_set_tooltip_text (_sbtn, _("Alpha (opacity)")); sp_dialog_defocus_on_enter (_sbtn); gtk_label_set_mnemonic_widget (GTK_LABEL(_label), _sbtn); gtk_widget_show (_sbtn); gtk_table_attach (GTK_TABLE (t), _sbtn, 2, 3, row, row + 1, (GtkAttachOptions)0, (GtkAttachOptions)0, XPAD, YPAD); /* Signals */ g_signal_connect (G_OBJECT (_adj), "value_changed", G_CALLBACK (_adjustmentChanged), _csel); g_signal_connect (G_OBJECT (_slider), "grabbed", G_CALLBACK (_sliderGrabbed), _csel); g_signal_connect (G_OBJECT (_slider), "released", G_CALLBACK (_sliderReleased), _csel); g_signal_connect (G_OBJECT (_slider), "changed", G_CALLBACK (_sliderChanged), _csel); }
static void sp_fill_style_widget_paint_changed (SPPaintSelector *psel, SPWidget *spw) { const GSList *items, *i, *r; GSList *reprs; SPCSSAttr *css; gfloat rgba[4], cmyka[5]; SPGradient *vector; gchar b[64]; if (g_object_get_data (G_OBJECT (spw), "update")) return; g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (TRUE)); #ifdef SP_FS_VERBOSE g_print ("FillStyleWidget: paint changed\n"); #endif if (spw->inkscape) { /* fixme: */ if (!SP_WIDGET_DOCUMENT (spw)) { g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (FALSE)); return; } reprs = NULL; items = sp_widget_get_item_list (spw); for (i = items; i != NULL; i = i->next) { reprs = g_slist_prepend (reprs, SP_OBJECT_REPR (i->data)); } } else { reprs = g_slist_prepend (NULL, spw->repr); items = NULL; } switch (psel->mode) { case SP_PAINT_SELECTOR_MODE_EMPTY: case SP_PAINT_SELECTOR_MODE_MULTIPLE: g_warning ("file %s: line %d: Paint %d should not emit 'changed'", __FILE__, __LINE__, psel->mode); break; case SP_PAINT_SELECTOR_MODE_NONE: css = sp_repr_css_attr_new (); sp_repr_css_set_property (css, "fill", "none"); for (r = reprs; r != NULL; r = r->next) { sp_repr_css_change_recursive ((SPRepr *) r->data, css, "style"); sp_repr_set_attr_recursive ((SPRepr *) r->data, "sodipodi:fill-cmyk", NULL); } sp_repr_css_attr_unref (css); if (spw->inkscape) sp_document_done (SP_WIDGET_DOCUMENT (spw)); break; case SP_PAINT_SELECTOR_MODE_COLOR_RGB: css = sp_repr_css_attr_new (); sp_paint_selector_get_rgba_floatv (psel, rgba); sp_svg_write_color (b, 64, SP_RGBA32_F_COMPOSE (rgba[0], rgba[1], rgba[2], 0.0)); sp_repr_css_set_property (css, "fill", b); g_snprintf (b, 64, "%g", rgba[3]); sp_repr_css_set_property (css, "fill-opacity", b); for (r = reprs; r != NULL; r = r->next) { sp_repr_set_attr_recursive ((SPRepr *) r->data, "sodipodi:fill-cmyk", NULL); sp_repr_css_change_recursive ((SPRepr *) r->data, css, "style"); } sp_repr_css_attr_unref (css); if (spw->inkscape) sp_document_done (SP_WIDGET_DOCUMENT (spw)); break; case SP_PAINT_SELECTOR_MODE_COLOR_CMYK: css = sp_repr_css_attr_new (); sp_paint_selector_get_cmyka_floatv (psel, cmyka); sp_color_cmyk_to_rgb_floatv (rgba, cmyka[0], cmyka[1], cmyka[2], cmyka[3]); sp_svg_write_color (b, 64, SP_RGBA32_F_COMPOSE (rgba[0], rgba[1], rgba[2], 0.0)); sp_repr_css_set_property (css, "fill", b); g_snprintf (b, 64, "%g", cmyka[4]); sp_repr_css_set_property (css, "fill-opacity", b); g_snprintf (b, 64, "(%g %g %g %g)", cmyka[0], cmyka[1], cmyka[2], cmyka[3]); for (r = reprs; r != NULL; r = r->next) { sp_repr_set_attr_recursive ((SPRepr *) r->data, "sodipodi:fill-cmyk", b); sp_repr_css_change_recursive ((SPRepr *) r->data, css, "style"); } sp_repr_css_attr_unref (css); if (spw->inkscape) sp_document_done (SP_WIDGET_DOCUMENT (spw)); break; case SP_PAINT_SELECTOR_MODE_GRADIENT_LINEAR: if (items) { vector = sp_paint_selector_get_gradient_vector (psel); if (!vector) { /* No vector in paint selector should mean that we just changed mode */ vector = sp_document_default_gradient_vector (SP_WIDGET_DOCUMENT (spw)); for (i = items; i != NULL; i = i->next) { sp_item_force_fill_lineargradient_vector (SP_ITEM (i->data), vector); } } else { vector = sp_gradient_ensure_vector_normalized (vector); for (i = items; i != NULL; i = i->next) { SPGradient *lg; lg = sp_item_force_fill_lineargradient_vector (SP_ITEM (i->data), vector); sp_paint_selector_write_lineargradient (psel, SP_LINEARGRADIENT (lg), SP_ITEM (i->data)); sp_object_invoke_write (SP_OBJECT (lg), SP_OBJECT_REPR (lg), SP_OBJECT_WRITE_EXT); } } sp_document_done (SP_WIDGET_DOCUMENT (spw)); } break; case SP_PAINT_SELECTOR_MODE_GRADIENT_RADIAL: if (items) { vector = sp_paint_selector_get_gradient_vector (psel); if (!vector) { /* No vector in paint selector should mean that we just changed mode */ vector = sp_document_default_gradient_vector (SP_WIDGET_DOCUMENT (spw)); for (i = items; i != NULL; i = i->next) { sp_item_force_fill_radialgradient_vector (SP_ITEM (i->data), vector); } } else { vector = sp_gradient_ensure_vector_normalized (vector); for (i = items; i != NULL; i = i->next) { SPGradient *rg; rg = sp_item_force_fill_radialgradient_vector (SP_ITEM (i->data), vector); sp_paint_selector_write_radialgradient (psel, SP_RADIALGRADIENT (rg), SP_ITEM (i->data)); sp_object_invoke_write (SP_OBJECT (rg), SP_OBJECT_REPR (rg), SP_OBJECT_WRITE_EXT); } } sp_document_done (SP_WIDGET_DOCUMENT (spw)); } break; default: g_warning ("file %s: line %d: Paint selector should not be in mode %d", __FILE__, __LINE__, psel->mode); break; } g_slist_free (reprs); g_object_set_data (G_OBJECT (spw), "update", GINT_TO_POINTER (FALSE)); }