void select_color (GtkButton *widget, gpointer user_data)
{
GtkColorSelectionDialog* dialog = GTK_COLOR_SELECTION_DIALOG(gtk_color_selection_dialog_new("Select Color")); //todo put the old color selection in
gint result = gtk_dialog_run(GTK_DIALOG(dialog));
//
if(result == GTK_RESPONSE_OK)
{
select_color_info* info = (select_color_info*)user_data;
GtkColorSelection* colsel = GTK_COLOR_SELECTION(dialog->colorsel);
GdkColor* sel_color = malloc(sizeof(GdkColor));
gtk_color_selection_get_current_color(colsel, sel_color);
GeglColor* color = gegl_color_new(NULL);
gegl_color_set_rgba(color, (double)sel_color->red/65535.0,
(double)sel_color->green/65535.0,
(double)sel_color->blue/65535.0,
(double)gtk_color_selection_get_current_alpha(colsel)/65535.0);
free(sel_color);
gegl_node_set(info->node, info->property, color, NULL);
refresh_images(info->layer);
}
gtk_widget_destroy(GTK_WIDGET(dialog));
}
/**
* Print the color currently selected in a color selection widget.
* @param color_selection color selection widget to print information about
*/
void mk_print_GtkColorSelection_info(GtkColorSelection* color_selection)
{
GdkColor color;
gtk_color_selection_get_current_color(color_selection, &color);
guint16 alpha = gtk_color_selection_get_current_alpha(color_selection);
g_printf("\t%d,%d,%d,%d",
color.red, color.green, color.blue, alpha);
}
int
clip_GTK_COLORSELECTIONGETCURRENTALPHA(ClipMachine * ClipMachineMemory)
{
C_widget *ccsel = _fetch_cw_arg(ClipMachineMemory);
CHECKCWID(ccsel, GTK_IS_COLOR_SELECTION);
_clip_retni(ClipMachineMemory, (int) gtk_color_selection_get_current_alpha(GTK_COLOR_SELECTION(ccsel->widget)));
return 0;
err:
return 1;
}
static gboolean
handle_color_sel (GtkColorSelectionDialog *dialog,
gint response_id, GOColor *res)
{
if (response_id == GTK_RESPONSE_OK) {
GdkColor gdk;
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (dialog->colorsel);
guint16 alpha = gtk_color_selection_get_current_alpha (colorsel);
gtk_color_selection_get_current_color (colorsel, &gdk);
*res = GDK_TO_UINT (gdk);
alpha >>= 8;
*res = UINT_RGBA_CHANGE_A (*res, alpha);
}
static void
dialog_ok_clicked (GtkWidget *widget,
gpointer data)
{
GtkColorButton *color_button = GTK_COLOR_BUTTON (data);
GtkColorSelection *color_selection;
color_selection = GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog)->colorsel);
gtk_color_selection_get_current_color (color_selection, &color_button->priv->color);
color_button->priv->alpha = gtk_color_selection_get_current_alpha (color_selection);
gtk_widget_hide (color_button->priv->cs_dialog);
gtk_widget_queue_draw (color_button->priv->draw_area);
g_signal_emit (color_button, color_button_signals[COLOR_SET], 0);
g_object_freeze_notify (G_OBJECT (color_button));
g_object_notify (G_OBJECT (color_button), "color");
g_object_notify (G_OBJECT (color_button), "alpha");
g_object_thaw_notify (G_OBJECT (color_button));
}
static int gtkColorDlgPopup(Ihandle* ih, int x, int y)
{
InativeHandle* parent = iupDialogGetNativeParent(ih);
GtkColorSelectionDialog* dialog;
GtkColorSelection* colorsel;
GdkColor color;
char *value;
unsigned char r = 0, g = 0, b = 0, a = 255;
int response, ret;
iupAttribSetInt(ih, "_IUPDLG_X", x); /* used in iupDialogUpdatePosition */
iupAttribSetInt(ih, "_IUPDLG_Y", y);
dialog = (GtkColorSelectionDialog*)gtk_color_selection_dialog_new(iupgtkStrConvertToUTF8(iupAttribGet(ih, "TITLE")));
if (!dialog)
return IUP_ERROR;
if (parent)
gtk_window_set_transient_for((GtkWindow*)dialog, (GtkWindow*)parent);
ret = iupStrToRGBA(iupAttribGet(ih, "VALUE"), &r, &g, &b, &a);
colorsel = (GtkColorSelection*)dialog->colorsel;
iupgdkColorSet(&color, r, g, b);
gtk_color_selection_set_current_color(colorsel, &color);
value = iupAttribGetStr(ih, "ALPHA");
if (value)
{
int alpha;
if (iupStrToInt(value, &alpha))
{
if (alpha<0) alpha=0;
if (alpha>255) alpha=255;
gtk_color_selection_set_has_opacity_control(colorsel, TRUE);
gtk_color_selection_set_current_alpha(colorsel, iupCOLOR8TO16(alpha));
}
}
else if (iupAttribGetBoolean(ih, "SHOWALPHA") || ret == 4)
{
gtk_color_selection_set_has_opacity_control(colorsel, TRUE);
gtk_color_selection_set_current_alpha(colorsel, iupCOLOR8TO16(a));
}
else
gtk_color_selection_set_has_opacity_control(colorsel, FALSE);
value = iupAttribGetStr(ih, "COLORTABLE");
if (value)
{
gtk_color_selection_set_has_palette (colorsel, TRUE);
gtkColorDlgSetPalette(colorsel, value);
}
else if (iupAttribGetBoolean(ih, "SHOWCOLORTABLE"))
gtk_color_selection_set_has_palette (colorsel, TRUE);
else
gtk_color_selection_set_has_palette (colorsel, FALSE);
if (IupGetCallback(ih, "HELP_CB"))
gtk_widget_show(dialog->help_button);
/* initialize the widget */
gtk_widget_realize(GTK_WIDGET(dialog));
ih->handle = GTK_WIDGET(dialog);
iupDialogUpdatePosition(ih);
ih->handle = NULL;
do
{
response = gtk_dialog_run(GTK_DIALOG(dialog));
if (response == GTK_RESPONSE_HELP)
{
Icallback cb = IupGetCallback(ih, "HELP_CB");
if (cb && cb(ih) == IUP_CLOSE)
response = GTK_RESPONSE_CANCEL;
}
} while (response == GTK_RESPONSE_HELP);
if (response == GTK_RESPONSE_OK)
{
GdkColor color;
gtk_color_selection_get_current_color(colorsel, &color);
IupSetAttribute(ih, "STATUS", "1");
if (gtk_color_selection_get_has_opacity_control(colorsel))
{
int alpha = gtk_color_selection_get_current_alpha(colorsel);
iupAttribSetInt(ih, "ALPHA", (int)iupCOLOR16TO8(alpha));
iupAttribSetStrf(ih, "VALUE", "%d %d %d %d", (int)iupCOLOR16TO8(color.red), (int)iupCOLOR16TO8(color.green), (int)iupCOLOR16TO8(color.blue), (int)iupCOLOR16TO8(alpha));
}
else
iupAttribSetStrf(ih, "VALUE", "%d %d %d", (int)iupCOLOR16TO8(color.red), (int)iupCOLOR16TO8(color.green), (int)iupCOLOR16TO8(color.blue));
if (gtk_color_selection_get_has_palette(colorsel))
gtkColorDlgGetPalette(ih, colorsel);
}
else
{
iupAttribSetStr(ih, "ALPHA", NULL);
iupAttribSetStr(ih, "VALUE", NULL);
iupAttribSetStr(ih, "COLORTABLE", NULL);
iupAttribSetStr(ih, "STATUS", NULL);
}
gtk_widget_destroy(GTK_WIDGET(dialog));
return IUP_NOERROR;
}
gint main(gint argc, gchar * argv[]){
GtkWidget *colorseldlg;
GdkColor color;
GtkColorSelection *colorsel;
gint response;
gint r, g, b;
guint16 alpha=65535;
float f;
self = argv[0];
gtk_init(&argc, &argv);
if(argc == 2){
g = 0;
b = 0;
if(argv[1][0] == 'r'){
if(argv[1][3] == 'a'){
//rgba(...)
sscanf(argv[1], "rgba(%d, %d, %d, %f)", &r, &g, &b, &f);
color.red = r * 256;
color.green = g * 256;
color.blue = b * 256;
alpha = f * 65535;
}else if(argv[1][3] == '('){
//rgb(...)
sscanf(argv[1], "rgb(%d, %d, %d)", &r, &g, &b);
color.red = r * 256;
color.green = g * 256;
color.blue = b * 256;
}else{
usage();
return 2;
}
goto option_ok;
}
if(argv[1][0] == '#'){
b = 1;
}
for(r=b; r<b+6; r++){
if(!isxdigit(argv[1][r])){
usage();
return 2;
}
}
if(b){
/* # 开头 */
argv[1]++;
}
sscanf(argv[1], "%2x%2x%2x", &r, &g, &b);
color.red = r * 256;
color.green = g * 256;
color.blue = b * 256;
}else if(argc == 1){
color.red = 0xffff;
color.green = 0xffff;
color.blue = 0xffff;
}else{
usage();
return 2;
}
option_ok:
colorseldlg = gtk_color_selection_dialog_new("Select color");
colorsel = GTK_COLOR_SELECTION(
gtk_color_selection_dialog_get_color_selection(
GTK_COLOR_SELECTION_DIALOG(colorseldlg)));
gtk_color_selection_set_current_color(colorsel, &color);
gtk_color_selection_set_has_palette(colorsel, TRUE);
gtk_color_selection_set_has_opacity_control(colorsel, TRUE);
gtk_color_selection_set_current_alpha(colorsel, alpha);
gtk_window_set_position(GTK_WINDOW(colorseldlg), GTK_WIN_POS_MOUSE);
gtk_window_set_keep_above(GTK_WINDOW(colorseldlg), TRUE);
response = gtk_dialog_run(GTK_DIALOG(colorseldlg));
if(response == GTK_RESPONSE_OK){
gtk_color_selection_get_current_color(colorsel, &color);
r = color.red / 256;
g = color.green / 256;
b = color.blue / 256;
alpha = gtk_color_selection_get_current_alpha(colorsel);
alpha /= 256;
if(alpha == 255)
printf("#%02x%02x%02x\n", r, g, b);
else
printf("rgba(%d, %d, %d, %.2f)\n", r, g, b, (float)alpha/256);
}else
/* 取消了 */
return 1;
return 0;
}
void dpa(GtkWidget *wgt, gpointer dta)
{
GArray *car, *cag, *cab, *caa;
gchar *str, *str2;
GdkColor clr;
gdouble mny, mxy, xi, xf;
gdouble *dpr;
GtkPlot *pt;
GtkPlotLinear *plt;
guint16 alp;
PangoFontDescription *ds1, *ds2;
switch (gtk_notebook_get_current_page(GTK_NOTEBOOK(nb2)))
{
case 1:
plt=GTK_PLOT_LINEAR(pt2);
pt=GTK_PLOT(pt2);
{str=g_strdup(gtk_entry_get_text(GTK_ENTRY(en3))); str2=g_strdup(gtk_entry_get_text(GTK_ENTRY(en4)));}
gtk_plot_linear_set_label(plt, str, str2);
{g_free(str); g_free(str2);}
ds1=pango_font_description_from_string(gtk_font_button_get_font_name(GTK_FONT_BUTTON(bt3)));
ds2=pango_font_description_from_string(gtk_font_button_get_font_name(GTK_FONT_BUTTON(bt4)));
gtk_plot_set_font(pt, ds1, ds2);
{pango_font_description_free(ds1); pango_font_description_free(ds2);}
car=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
cag=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
cab=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
caa=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
gtk_color_selection_get_current_color(GTK_COLOR_SELECTION(cs2), &clr);
alp=gtk_color_selection_get_current_alpha(GTK_COLOR_SELECTION(cs2));
if (gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(jix2)))
{
xi=g_array_index((pt->rd), gdouble, 0);
g_array_append_val(car, xi);
xi=((gdouble) (clr.red))/65535;
g_array_append_val(car, xi);
xi=g_array_index((pt->gr), gdouble, 0);
g_array_append_val(cag, xi);
xi=((gdouble) (clr.green))/65535;
g_array_append_val(cag, xi);
xi=g_array_index((pt->bl), gdouble, 0);
g_array_append_val(cab, xi);
xi=((gdouble) (clr.blue))/65535;
g_array_append_val(cab, xi);
xi=g_array_index((pt->al), gdouble, 0);
g_array_append_val(caa, xi);
xi=((gdouble) alp)/65535;
g_array_append_val(caa, xi);
}
else
{
xi=((gdouble) (clr.red))/65535;
xf=g_array_index((pt->rd), gdouble, 1);
g_array_append_val(car, xi);
g_array_append_val(car, xf);
xi=((gdouble) (clr.green))/65535;
xf=g_array_index((pt->gr), gdouble, 1);
g_array_append_val(cag, xi);
g_array_append_val(cag, xf);
xi=((gdouble) (clr.blue))/65535;
xf=g_array_index((pt->bl), gdouble, 1);
g_array_append_val(cab, xi);
g_array_append_val(cab, xf);
xi=((gdouble) alp)/65535;
xf=g_array_index((pt->al), gdouble, 1);
g_array_append_val(caa, xi);
g_array_append_val(caa, xf);
}
gtk_plot_set_colour(pt, car, cag, cab, caa);
{g_array_unref(car); g_array_unref(cag); g_array_unref(cab); g_array_unref(caa);}
g_object_get(G_OBJECT(pt2), "xmin", &xi, "xmax", &xf, "ymin", &mny, "ymax", &mxy, NULL);
gtk_plot_linear_update_scale(pt2, xi, xf, mny, mxy);
break;
default:
plt=GTK_PLOT_LINEAR(pt1);
pt=GTK_PLOT(pt1);
{str=g_strdup(gtk_entry_get_text(GTK_ENTRY(en1))); str2=g_strdup(gtk_entry_get_text(GTK_ENTRY(en2)));}
gtk_plot_linear_set_label(plt, str, str2);
{g_free(str); g_free(str2);}
ds1=pango_font_description_from_string(gtk_font_button_get_font_name(GTK_FONT_BUTTON(bt1)));
ds2=pango_font_description_from_string(gtk_font_button_get_font_name(GTK_FONT_BUTTON(bt2)));
gtk_plot_set_font(pt, ds1, ds2);
pango_font_description_free(ds1); pango_font_description_free(ds2);
car=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
cag=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
cab=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
caa=g_array_sized_new(FALSE, FALSE, sizeof(gdouble), 2);
gtk_color_selection_get_current_color(GTK_COLOR_SELECTION(cs1), &clr);
alp=gtk_color_selection_get_current_alpha(GTK_COLOR_SELECTION(cs1));
if (gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(jix)))
{
xi=g_array_index((pt->rd), gdouble, 0);
g_array_append_val(car, xi);
xi=((gdouble) (clr.red))/65535;
g_array_append_val(car, xi);
xi=g_array_index((pt->gr), gdouble, 0);
g_array_append_val(cag, xi);
xi=((gdouble) (clr.green))/65535;
g_array_append_val(cag, xi);
xi=g_array_index((pt->bl), gdouble, 0);
g_array_append_val(cab, xi);
xi=((gdouble) (clr.blue))/65535;
g_array_append_val(cab, xi);
xi=g_array_index((pt->al), gdouble, 0);
g_array_append_val(caa, xi);
xi=((gdouble) alp)/65535;
g_array_append_val(caa, xi);
}
else
{
xi=((gdouble) (clr.red))/65535;
xf=g_array_index((pt->rd), gdouble, 1);
g_array_append_val(car, xi);
g_array_append_val(car, xf);
xi=((gdouble) (clr.green))/65535;
xf=g_array_index((pt->gr), gdouble, 1);
g_array_append_val(cag, xi);
g_array_append_val(cag, xf);
xi=((gdouble) (clr.blue))/65535;
xf=g_array_index((pt->bl), gdouble, 1);
g_array_append_val(cab, xi);
g_array_append_val(cab, xf);
xi=((gdouble) alp)/65535;
xf=g_array_index((pt->al), gdouble, 1);
g_array_append_val(caa, xi);
g_array_append_val(caa, xf);
}
gtk_plot_set_colour(pt, car, cag, cab, caa);
{g_array_unref(car); g_array_unref(cag); g_array_unref(cab); g_array_unref(caa);}
g_object_get(G_OBJECT(pt1), "xmin", &xi, "xmax", &xf, "ymin", &mny, "ymax", &mxy, NULL);
gtk_plot_linear_update_scale(pt1, xi, xf, mny, mxy);
break;
}
}
