public static Cairo.Region RegionCreateFromSurface(Cairo.Surface surface)
{
IntPtr raw_ret = gdk_cairo_region_create_from_surface(surface.Handle);
Cairo.Region ret = new Cairo.Region(raw_ret);
return(ret);
}
public static Cairo.Surface SurfaceCreateFromPixbuf(Gdk.Pixbuf pixbuf, int scale, Gdk.Window for_window)
{
IntPtr raw_ret = gdk_cairo_surface_create_from_pixbuf(pixbuf == null ? IntPtr.Zero : pixbuf.Handle, scale, for_window == null ? IntPtr.Zero : for_window.Handle);
Cairo.Surface ret = Cairo.Surface.Lookup(raw_ret, true);
return(ret);
}
public Cairo.Surface GetSurface(out double x_hot, out double y_hot)
{
IntPtr raw_ret = gdk_cursor_get_surface(Handle, out x_hot, out y_hot);
Cairo.Surface ret = Cairo.Surface.Lookup(raw_ret, true);
return(ret);
}
public void RefreshBackground(Field[,] fields)
{
background = new Cairo.ImageSurface(Cairo.Format.ARGB32, width * fieldSize, height * fieldSize);
using (Cairo.Context context = new Cairo.Context(background)) {
paintBackground(context, fields);
}
}
public Cairo.Surface RenderIconSurface(Gtk.StyleContext context, Gtk.IconSize size, int scale, Gdk.Window for_window)
{
IntPtr raw_ret = gtk_icon_set_render_icon_surface(Handle, context == null ? IntPtr.Zero : context.Handle, (int)size, scale, for_window == null ? IntPtr.Zero : for_window.Handle);
Cairo.Surface ret = Cairo.Surface.Lookup(raw_ret, true);
return(ret);
}
public static Cairo.Surface GetSurface(Gdk.Window window)
{
IntPtr raw_ret = gdk_offscreen_window_get_surface(window == null ? IntPtr.Zero : window.Handle);
Cairo.Surface ret = Cairo.Surface.Lookup(raw_ret, true);
return(ret);
}
public void RefreshBackground(Field[,] fields)
{
background = new Cairo.ImageSurface (Cairo.Format.ARGB32, width * fieldSize, height * fieldSize);
using (Cairo.Context context = new Cairo.Context(background)) {
paintBackground (context, fields);
}
}
public override object CreateContext(object backend)
{
Cairo.Surface sf = (Cairo.Surface)backend;
CairoContextBackend ctx = new CairoContextBackend(1);
ctx.Context = new Cairo.Context(sf);
return(ctx);
}
public virtual void End()
{
if (d_surface != null)
{
d_surface.Destroy();
d_surface = null;
}
}
public object CreateContext(object backend)
{
Cairo.Surface sf = (Cairo.Surface)backend;
GtkContext ctx = new GtkContext();
ctx.Context = new Cairo.Context(sf);
return(ctx);
}
public Image(Cairo.Surface surface) : base(IntPtr.Zero)
{
if (GetType() != typeof(Image))
{
var vals = new List <GLib.Value> ();
var names = new List <string> ();
CreateNativeObject(names.ToArray(), vals.ToArray());
return;
}
Raw = gtk_image_new_from_surface(surface.Handle);
}
protected override bool OnConfigureEvent(EventConfigure ev)
{
if (surface != null)
{
surface.Dispose();
}
surface = ev.Window.CreateSimilarSurface(Cairo.Content.Color, AllocatedWidth, AllocatedHeight);
ClearSurface();
return(true);
}
public unsafe Cairo.Surface LoadSurface(Gdk.Window for_window)
{
IntPtr error = IntPtr.Zero;
IntPtr raw_ret = gtk_icon_info_load_surface(Handle, for_window == null ? IntPtr.Zero : for_window.Handle, out error);
Cairo.Surface ret = Cairo.Surface.Lookup(raw_ret, true);
if (error != IntPtr.Zero)
{
throw new GLib.GException(error);
}
return(ret);
}
public unsafe Cairo.Surface GetSurface()
{
IntPtr error = IntPtr.Zero;
IntPtr raw_ret = gtk_print_job_get_surface(Handle, out error);
Cairo.Surface ret = Cairo.Surface.Lookup(raw_ret, true);
if (error != IntPtr.Zero)
{
throw new GLib.GException(error);
}
return(ret);
}
/// <summary>
/// Loads pixbuf resource from store, if specified pixbuf is not already loaded in
/// store, then this methods loads it from list of resources and registers it
/// </summary>
/// <param name="aWidget">
/// Extension method per cairo surface <see cref="Gtk.Widget"/>
/// </param>
/// <param name="aName">
/// Resource name <see cref="System.String"/>
/// </param>
/// <returns>
/// Result pixbuf <see cref="Gdk.Pixbuf"/>
/// </returns>
public static Gdk.Pixbuf LoadPixbufFromResourceStore(this Cairo.Surface aCell, string aName)
{
if (PictureResourceStore.Get(aName) != null)
{
return((Gdk.Pixbuf)PictureResourceStore.Get(aName));
}
Gdk.Pixbuf pix = new Gdk.Pixbuf(AssemblyEngine.EntryAssembly.LoadBinaryResource(aName));
if (pix != null)
{
PictureResourceStore.Add(aName, pix);
}
return(pix);
}
private bool InternalTextureFromSurface(Cairo.Surface surface, Cairo.Region region)
{
TextureFromSurfaceNativeDelegate unmanaged = class_abi.BaseOverride <TextureFromSurfaceNativeDelegate>(this.LookupGType(), "texture_from_surface");
if (unmanaged == null)
{
return(false);
}
bool __result = unmanaged(this.Handle, surface.Handle, region == null ? IntPtr.Zero : region.Handle);
return(__result);
}
protected override bool OnDrawn(Cairo.Context cr)
{
if (!base.OnDrawn(cr))
{
return(false);
}
if (ViewObjects)
{
using (Cairo.Surface source = CairoHelper.LockBitmap(Image)) {
cr.SetSourceSurface(source, XOffset, YOffset);
cr.Paint();
CairoHelper.UnlockBitmap(Image);
}
}
else
{
base.OnDrawn(cr);
}
if (ViewObjects && objectEditor != null)
{
// Draw objects
int cursorX = -1, cursorY = -1;
int selectedX = -1, selectedY = -1;
hoveringObjectIndices = new List <int>();
ObjectGroup group = objectEditor.ObjectGroup;
DrawObjectGroup(cr, 0, ref cursorX, ref cursorY, ref selectedX, ref selectedY, group, objectEditor, ref hoveringObjectIndices);
// Object hovering over
if (cursorX != -1)
{
cr.Rectangle(cursorX + 0.5, cursorY + 0.5, 15, 15);
cr.SetSourceColor(TileGridViewer.HoverColor);
cr.LineWidth = 1;
cr.Stroke();
}
// Object selected
if (selectedX != -1)
{
cr.Rectangle(selectedX + 0.5, selectedY + 0.5, 15, 15);
cr.SetSourceColor(TileGridSelector.SelectionColor);
cr.LineWidth = 1;
cr.Stroke();
}
}
return(true);
}
public unsafe Cairo.Surface LoadSurface(string icon_name, int size, int scale, Gdk.Window for_window, Gtk.IconLookupFlags flags)
{
IntPtr native_icon_name = GLib.Marshaller.StringToPtrGStrdup(icon_name);
IntPtr error = IntPtr.Zero;
IntPtr raw_ret = gtk_icon_theme_load_surface(Handle, native_icon_name, size, scale, for_window == null ? IntPtr.Zero : for_window.Handle, (int)flags, out error);
Cairo.Surface ret = Cairo.Surface.Lookup(raw_ret, true);
GLib.Marshaller.Free(native_icon_name);
if (error != IntPtr.Zero)
{
throw new GLib.GException(error);
}
return(ret);
}
public static Gdk.Pixbuf GetFromSurface(Cairo.Surface surface, int src_x, int src_y, int width, int height)
{
IntPtr raw_ret = gdk_pixbuf_get_from_surface(surface.Handle, src_x, src_y, width, height);
Gdk.Pixbuf ret;
if (raw_ret == IntPtr.Zero)
{
ret = null;
}
else
{
ret = (Gdk.Pixbuf)GLib.Object.GetObject(raw_ret);
}
return(ret);
}
public Cursor(Gdk.Display display, Cairo.Surface surface, double x, double y) : base(IntPtr.Zero)
{
if (GetType() != typeof(Cursor))
{
var vals = new List <GLib.Value> ();
var names = new List <string> ();
if (display != null)
{
names.Add("display");
vals.Add(new GLib.Value(display));
}
CreateNativeObject(names.ToArray(), vals.ToArray());
return;
}
Raw = gdk_cursor_new_from_surface(display == null ? IntPtr.Zero : display.Handle, surface.Handle, x, y);
}
private bool InternalTextureFromSurface(Cairo.Surface surface, Cairo.Region region)
{
TextureFromSurfaceNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("texture_from_surface"));
unmanaged = (TextureFromSurfaceNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(TextureFromSurfaceNativeDelegate));
}
if (unmanaged == null)
{
return(false);
}
bool __result = unmanaged(this.Handle, surface.Handle, region == null ? IntPtr.Zero : region.Handle);
return(__result);
}
protected void placeShapes()
{
if (_surface != null)
{
drawingArea.GdkWindow.Clear();
_surface.Dispose();
_surface = null;
}
_min = Vertex.CreateMax();
_max = Vertex.CreateMin();
foreach (AbstractShape shape in _shapes)
{
_min.Minimize(shape.Min);
_max.Maximize(shape.Max);
log("фигура {0} расположена на позиции от {1} до {2}", shape, shape.Min.Literal, shape.Max.Literal);
}
_min -= _lineWidthGap;
_max += _lineWidthGap;
_logicCanvasSize = _max - _min;
log("размер логического холста (с учётом толщины линий) - {0}", _logicCanvasSize.Literal);
_logicCanvasSize *= _prescale;
_surface = new Cairo.ImageSurface(Cairo.Format.Argb32, ( int )_logicCanvasSize.X, ( int )_logicCanvasSize.Y);
using (var surfaceContext = new Cairo.Context(_surface)) {
surfaceContext.SetSourceRGB(1.0, 1.0, 1.0);
surfaceContext.Paint();
surfaceContext.LineWidth = 1.0;
surfaceContext.SetSourceRGB(.0, .0, .0);
surfaceContext.Scale(_prescale, -_prescale);
surfaceContext.Translate(-_min.X, -_max.Y);
if (null != _shapes && 0 < _shapes.Count)
{
foreach (AbstractShape shape in _shapes)
{
shape.Draw(surfaceContext);
surfaceContext.Stroke();
}
}
}
}
private void OnWidgetDestroyed(object sender, EventArgs args)
{
if (!IsRealized)
{
return;
}
// Copy the widget's pixels to surface, we'll use it to draw the animation
surface = Window.CreateSimilarSurface(Cairo.Content.ColorAlpha, widget_alloc.Width, widget_alloc.Height);
using (var cr = new Cairo.Context(surface)) {
Gdk.CairoHelper.SetSourceWindow(cr, Window, widget_alloc.X, widget_alloc.Y);
cr.Rectangle(0, 0, widget_alloc.Width, widget_alloc.Height);
cr.Fill();
if (AnimationState != AnimationState.Going)
{
WidgetDestroyed(this, args);
}
}
}
// Create a new surface of the appropriate size to store our scribbles
private void ScribbleConfigure(object o, ConfigureEventArgs args)
{
Widget widget = o as Widget;
if (surface != null)
{
surface.Destroy();
}
var allocation = widget.Allocation;
surface = widget.Window.CreateSimilarSurface(Cairo.Content.Color, allocation.Width, allocation.Height);
var cr = new Cairo.Context(surface);
cr.SetSourceRGB(1, 1, 1);
cr.Paint();
((IDisposable)cr).Dispose();
// We've handled the configure event, no need for further processing.
args.RetVal = true;
}
protected virtual Cairo.Surface CreateGraphSurface(int width, int height)
{
Cairo.Surface ret = null;
using (Cairo.Context ctx = Gdk.CairoHelper.Create(GdkWindow))
{
Cairo.Surface surface;
if (Screen.RgbaColormap != null)
{
surface = ctx.Target.CreateSimilar(Cairo.Content.ColorAlpha, width, height);
}
else
{
surface = ctx.Target.CreateSimilar(ctx.Target.Content, width, height);
}
ret = surface;
((IDisposable)ctx.Target).Dispose();
}
return(ret);
}
/// <summary>
/// Will throw InvalidAnimationException if initialization failed earlier...
/// TODO: does drawing code really belong here?
/// </summary>
public void Draw(Cairo.Context cr, int xPos, int yPos)
{
if (bitmaps == null)
{
throw new InvalidAnimationException();
}
int _numSprites = _oamData.GetIntValue(0);
// Draw sprites in backwards order to respect priority properly
for (int i = _numSprites - 1; i >= 0; i--)
{
Tuple <Bitmap, int, int> tup = bitmaps[i];
Bitmap bitmap = tup.Item1;
int x = tup.Item2 + xPos;
int y = tup.Item3 + yPos;
using (Cairo.Surface s = CairoHelper.LockBitmap(bitmap)) {
cr.SetSourceSurface(s, x, y);
cr.Paint();
CairoHelper.UnlockBitmap(bitmap);
}
}
}
public MainWindow() : base(Gtk.WindowType.Toplevel)
{
Build();
// настройка элементов интерфейса
_statusBarContext = statusBar.GetContextId("statusbar - ctx");
viewLogText.Editable = false;
drawingArea.AddEvents(( int )Gdk.EventMask.PointerMotionMask);
// параметры "реального" холста
drawingArea.ModifyBg(StateType.Normal, new Gdk.Color(0xff, 0xff, 0xff));
drawingArea.ModifyBase(StateType.Normal, new Gdk.Color(0x00, 0x00, 0x00));
// параметры виртуального холста
_prescale = 20.0;
_lineWidth = 1.0;
_lineWidthGap = new Vertex(_lineWidth, _lineWidth);
_surface = null;
_shapes = null;
// настройка парсера
initParser();
log("начало работы программы");
}
protected override bool OnConfigureEvent (EventConfigure ev)
{
if (surface != null) {
surface.Dispose ();
}
surface = ev.Window.CreateSimilarSurface (Cairo.Content.Color, AllocatedWidth, AllocatedHeight);
ClearSurface ();
return true;
}
private void OnWidgetDestroyed(object sender, EventArgs args)
{
if (!IsRealized) {
return;
}
// Copy the widget's pixels to surface, we'll use it to draw the animation
surface = Window.CreateSimilarSurface (Cairo.Content.ColorAlpha, widget_alloc.Width, widget_alloc.Height);
using (var cr = new Cairo.Context (surface)) {
Gdk.CairoHelper.SetSourceWindow (cr, Window, widget_alloc.X, widget_alloc.Y);
cr.Rectangle (0, 0, widget_alloc.Width, widget_alloc.Height);
cr.Fill ();
if (AnimationState != AnimationState.Going) {
WidgetDestroyed (this, args);
}
}
}
public static void IconSurface(Gtk.StyleContext context, Cairo.Context cr, Cairo.Surface surface, double x, double y)
{
gtk_render_icon_surface(context == null ? IntPtr.Zero : context.Handle, cr == null ? IntPtr.Zero : cr.Handle, surface.Handle, x, y);
}
// Create a new surface of the appropriate size to store our scribbles
private void ScribbleConfigure(object o, ConfigureEventArgs args)
{
Widget widget = o as Widget;
if (surface != null)
surface.Destroy ();
var allocation = widget.Allocation;
surface = widget.Window.CreateSimilarSurface (Cairo.Content.Color, allocation.Width, allocation.Height);
var cr = new Cairo.Context (surface);
cr.SetSourceRGB (1, 1, 1);
cr.Paint ();
((IDisposable)cr).Dispose ();
// We've handled the configure event, no need for further processing.
args.RetVal = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="DrawingContext"/> class.
/// </summary>
/// <param name="surface">The target surface.</param>
public DrawingContext(Cairo.Surface surface)
{
_context = new Cairo.Context(surface);
CurrentTransform = Matrix.Identity;
}
public Graphics(Cairo.Surface surface) : base(default(Cairo.Surface))
{
}
public Context(Cairo.Surface surface)
{
}
