private void HandleDrawingMotionNotifyEvent(object o, Gtk.MotionNotifyEventArgs args)
{
int x, y;
Gdk.ModifierType mask;
GdkExtensions.GetWindowPointer(drawing.Window, out x, out y, out mask);
if (x < 0 || x >= size || y < 0 || y >= size)
{
return;
}
if (args.Event.State == Gdk.ModifierType.Button1Mask)
{
// first and last control point cannot be removed
if (last_cpx != 0 && last_cpx != size - 1)
{
foreach (var controlPoints in GetActiveControlPoints())
{
if (controlPoints.ContainsKey(last_cpx))
{
controlPoints.Remove(last_cpx);
}
}
}
AddControlPoint(x, y);
}
InvalidateDrawing();
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
base.OnExposeEvent(evnt);
if (size == Gdk.Size.Empty)
{
return(true);
}
var preview_size = Gdk.Size.Empty;
var widget_size = GdkWindow.GetBounds();
// Figure out the dimensions of the preview to draw
if (size.Width <= max_size && size.Height <= max_size)
{
preview_size = size;
}
else if (size.Width > size.Height)
{
preview_size = new Gdk.Size(max_size, (int)(max_size / ((float)size.Width / (float)size.Height)));
}
else
{
preview_size = new Gdk.Size((int)(max_size / ((float)size.Height / (float)size.Width)), max_size);
}
using (var g = Gdk.CairoHelper.Create(GdkWindow)) {
var r = new Cairo.Rectangle((widget_size.Width - preview_size.Width) / 2, (widget_size.Height - preview_size.Height) / 2,
preview_size.Width, preview_size.Height);
if (color.A == 0)
{
// Fill with transparent checkerboard pattern
using (var grid = GdkExtensions.CreateTransparentColorSwatch(false))
using (var surf = grid.ToSurface())
using (var pattern = surf.ToTiledPattern())
g.FillRectangle(r, pattern);
}
else
{
// Fill with selected color
g.FillRectangle(r, color);
}
// Draw our canvas drop shadow
g.DrawRectangle(new Cairo.Rectangle(r.X - 1, r.Y - 1, r.Width + 2, r.Height + 2), new Cairo.Color(.5, .5, .5), 1);
g.DrawRectangle(new Cairo.Rectangle(r.X - 2, r.Y - 2, r.Width + 4, r.Height + 4), new Cairo.Color(.8, .8, .8), 1);
g.DrawRectangle(new Cairo.Rectangle(r.X - 3, r.Y - 3, r.Width + 6, r.Height + 6), new Cairo.Color(.9, .9, .9), 1);
}
return(true);
}
private void DrawControlPoints(Context g)
{
int x, y;
Gdk.ModifierType mask;
GdkExtensions.GetWindowPointer(drawing.Window, out x, out y, out mask);
var infos = GetDrawingInfos();
foreach (var controlPoints in ControlPoints)
{
infos.MoveNext();
var info = infos.Current;
for (int i = 0; i < controlPoints.Count; i++)
{
int cpx = controlPoints.Keys[i];
int cpy = size - 1 - (int)controlPoints.Values[i];
Rectangle rect;
if (info.IsActive)
{
if (CheckControlPointProximity(cpx, cpy, x, y))
{
rect = new Rectangle(cpx - (radius + 2) / 2, cpy - (radius + 2) / 2, radius + 2, radius + 2);
g.DrawEllipse(rect, new Color(0.2, 0.2, 0.2), 2);
rect = new Rectangle(cpx - radius / 2, cpy - radius / 2, radius, radius);
g.FillEllipse(rect, new Color(0.9, 0.9, 0.9));
}
else
{
rect = new Rectangle(cpx - radius / 2, cpy - radius / 2, radius, radius);
g.DrawEllipse(rect, info.Color, 2);
}
}
rect = new Rectangle(cpx - (radius - 2) / 2, cpy - (radius - 2) / 2, radius - 2, radius - 2);
g.FillEllipse(rect, info.Color);
}
}
g.Stroke();
}
private void HandleDrawingButtonPressEvent(object o, Gtk.ButtonPressEventArgs args)
{
int x, y;
Gdk.ModifierType mask;
GdkExtensions.GetWindowPointer(drawing.Window, out x, out y, out mask);
if (args.Event.Button == 1)
{
AddControlPoint(x, y);
}
// user pressed right button
if (args.Event.Button == 3)
{
foreach (var controlPoints in GetActiveControlPoints())
{
for (int i = 0; i < controlPoints.Count; i++)
{
int cpx = controlPoints.Keys[i];
int cpy = size - 1 - (int)controlPoints.Values[i];
//we cannot allow user to remove first or last control point
if (cpx == 0 && cpy == size - 1)
{
continue;
}
if (cpx == size - 1 && cpy == 0)
{
continue;
}
if (CheckControlPointProximity(cpx, cpy, x, y))
{
controlPoints.RemoveAt(i);
break;
}
}
}
}
InvalidateDrawing();
}
private void DrawPointerCross(Context g)
{
int x, y;
Gdk.ModifierType mask;
GdkExtensions.GetWindowPointer(drawing.Window, out x, out y, out mask);
if (x >= 0 && x < size && y >= 0 && y < size)
{
g.LineWidth = 0.5;
g.MoveTo(x, 0);
g.LineTo(x, size);
g.MoveTo(0, y);
g.LineTo(size, y);
g.Stroke();
this.labelPoint.Text = string.Format("({0}, {1})", x, y);
}
else
{
this.labelPoint.Text = string.Empty;
}
}
private void BuildDialog()
{
// Layout table for preset, width, and height
var layout_table = new Table(3, 2, false);
layout_table.RowSpacing = 5;
layout_table.ColumnSpacing = 6;
// Preset Combo
var size_label = new Label(Catalog.GetString("Preset:"));
size_label.SetAlignment(1f, .5f);
var preset_entries = new List <string> ();
if (has_clipboard)
{
preset_entries.Add(Catalog.GetString("Clipboard"));
}
preset_entries.Add(Catalog.GetString("Custom"));
preset_entries.AddRange(preset_sizes.Select(p => string.Format("{0} x {1}", p.Width, p.Height)));
preset_combo = new ComboBox(preset_entries.ToArray());
preset_combo.Active = 0;
layout_table.Attach(size_label, 0, 1, 0, 1, AttachOptions.Expand | AttachOptions.Fill, AttachOptions.Fill, 0, 0);
layout_table.Attach(preset_combo, 1, 2, 0, 1, AttachOptions.Expand | AttachOptions.Fill, AttachOptions.Fill, 0, 0);
// Width Entry
var width_label = new Label(Catalog.GetString("Width:"));
width_label.SetAlignment(1f, .5f);
width_entry = new Entry();
width_entry.WidthRequest = 50;
width_entry.ActivatesDefault = true;
var width_units = new Label(Catalog.GetString("pixels"));
var width_hbox = new HBox();
width_hbox.PackStart(width_entry, false, false, 0);
width_hbox.PackStart(width_units, false, false, 5);
layout_table.Attach(width_label, 0, 1, 1, 2, AttachOptions.Expand | AttachOptions.Fill, AttachOptions.Fill, 0, 0);
layout_table.Attach(width_hbox, 1, 2, 1, 2, AttachOptions.Expand | AttachOptions.Fill, AttachOptions.Fill, 0, 0);
// Height Entry
var height_label = new Label(Catalog.GetString("Height:"));
height_label.SetAlignment(1f, .5f);
height_entry = new Entry();
height_entry.WidthRequest = 50;
height_entry.ActivatesDefault = true;
var height_units = new Label(Catalog.GetString("pixels"));
var height_hbox = new HBox();
height_hbox.PackStart(height_entry, false, false, 0);
height_hbox.PackStart(height_units, false, false, 5);
layout_table.Attach(height_label, 0, 1, 2, 3, AttachOptions.Expand | AttachOptions.Fill, AttachOptions.Fill, 0, 0);
layout_table.Attach(height_hbox, 1, 2, 2, 3, AttachOptions.Expand | AttachOptions.Fill, AttachOptions.Fill, 0, 0);
// Orientation Radio options
var orientation_label = new Label(Catalog.GetString("Orientation:"));
orientation_label.SetAlignment(0f, .5f);
portrait_radio = new RadioButton(Catalog.GetString("Portrait"));
var portrait_image = new Image(PintaCore.Resources.GetIcon(Stock.OrientationPortrait, 16));
var portrait_hbox = new HBox();
portrait_hbox.PackStart(portrait_image, false, false, 7);
portrait_hbox.PackStart(portrait_radio, false, false, 0);
landscape_radio = new RadioButton(portrait_radio, Catalog.GetString("Landscape"));
var landscape_image = new Image(PintaCore.Resources.GetIcon(Stock.OrientationLandscape, 16));
var landscape_hbox = new HBox();
landscape_hbox.PackStart(landscape_image, false, false, 7);
landscape_hbox.PackStart(landscape_radio, false, false, 0);
// Orientation VBox
var orientation_vbox = new VBox();
orientation_vbox.PackStart(orientation_label, false, false, 4);
orientation_vbox.PackStart(portrait_hbox, false, false, 0);
orientation_vbox.PackStart(landscape_hbox, false, false, 0);
// Background Color options
var background_label = new Label(Catalog.GetString("Background:"));
background_label.SetAlignment(0f, .5f);
white_bg_radio = new RadioButton(Catalog.GetString("White"));
var image_white = new Image(GdkExtensions.CreateColorSwatch(16, new Gdk.Color(255, 255, 255)));
var hbox_white = new HBox();
hbox_white.PackStart(image_white, false, false, 7);
hbox_white.PackStart(white_bg_radio, false, false, 0);
secondary_bg_radio = new RadioButton(white_bg_radio, Catalog.GetString("Background Color"));
var image_bg = new Image(GdkExtensions.CreateColorSwatch(16, PintaCore.Palette.SecondaryColor.ToGdkColor()));
var hbox_bg = new HBox();
hbox_bg.PackStart(image_bg, false, false, 7);
hbox_bg.PackStart(secondary_bg_radio, false, false, 0);
trans_bg_radio = new RadioButton(secondary_bg_radio, Catalog.GetString("Transparent"));
var image_trans = new Image(GdkExtensions.CreateTransparentColorSwatch(true));
var hbox_trans = new HBox();
hbox_trans.PackStart(image_trans, false, false, 7);
hbox_trans.PackStart(trans_bg_radio, false, false, 0);
// Background VBox
var background_vbox = new VBox();
background_vbox.PackStart(background_label, false, false, 4);
background_vbox.PackStart(hbox_white, false, false, 0);
if (allow_background_color)
{
background_vbox.PackStart(hbox_bg, false, false, 0);
}
background_vbox.PackStart(hbox_trans, false, false, 0);
// Put all the options together
var options_vbox = new VBox();
options_vbox.Spacing = 10;
options_vbox.PackStart(layout_table, false, false, 3);
options_vbox.PackStart(orientation_vbox, false, false, 0);
options_vbox.PackStart(background_vbox, false, false, 4);
// Layout the preview + the options
preview = new PreviewArea();
var preview_label = new Label(Catalog.GetString("Preview"));
var preview_vbox = new VBox();
preview_vbox.PackStart(preview_label, false, false, 0);
preview_vbox.PackStart(preview, true, true, 0);
var main_hbox = new HBox(false, 10);
main_hbox.PackStart(options_vbox, false, false, 0);
main_hbox.PackStart(preview_vbox, true, true, 0);
VBox.Add(main_hbox);
ShowAll();
}
static CanvasRenderer()
{
using (var grid = GdkExtensions.CreateTransparentColorSwatch(false))
using (var surf = grid.ToSurface())
tranparent_pattern = surf.ToTiledPattern();
}