protected override void Draw(Context cr, Pixbuf prev, Pixbuf next, int width, int height, double progress)
{
cr.Color = new Color (0, 0, 0, progress);
if (next != null) {
double scale = Math.Min ((double)width/(double)next.Width, (double)height/(double)next.Height);
cr.Save ();
cr.Rectangle (0, 0, width, .5 * (height - scale*next.Height));
cr.Fill ();
cr.Rectangle (0, height - .5 * (height - scale*next.Height), width, .5 * (height - scale*next.Height));
cr.Fill ();
cr.Rectangle (0, 0, .5 * (width - scale*next.Width), height);
cr.Fill ();
cr.Rectangle (width - .5 * (width - scale*next.Width), 0, .5 * (width - scale*next.Width), height);
cr.Fill ();
cr.Rectangle (0, 0, width, height);
cr.Scale (scale, scale);
CairoHelper.SetSourcePixbuf (cr, next, .5 * ((double)width/scale - next.Width), .5 * ((double)height/scale - next.Height));
cr.PaintWithAlpha (progress);
cr.Restore ();
}
}
void FillChecks (Context cr, int x, int y, int width, int height)
{
int CHECK_SIZE = 32;
cr.Save ();
Surface check = cr.Target.CreateSimilar (Content.Color, 2 * CHECK_SIZE, 2 * CHECK_SIZE);
// draw the check
using (Context cr2 = new Context (check)) {
cr2.Operator = Operator.Source;
cr2.Color = new Color (0.4, 0.4, 0.4);
cr2.Rectangle (0, 0, 2 * CHECK_SIZE, 2 * CHECK_SIZE);
cr2.Fill ();
cr2.Color = new Color (0.7, 0.7, 0.7);
cr2.Rectangle (x, y, CHECK_SIZE, CHECK_SIZE);
cr2.Fill ();
cr2.Rectangle (x + CHECK_SIZE, y + CHECK_SIZE, CHECK_SIZE, CHECK_SIZE);
cr2.Fill ();
}
// Fill the whole surface with the check
SurfacePattern check_pattern = new SurfacePattern (check);
check_pattern.Extend = Extend.Repeat;
cr.Source = check_pattern;
cr.Rectangle (0, 0, width, height);
cr.Fill ();
check_pattern.Destroy ();
check.Destroy ();
cr.Restore ();
}
public void Draw(Cairo.Context cr, Cairo.Rectangle rectangle)
{
if (IsSeparator)
{
cr.NewPath();
double x = Math.Ceiling(rectangle.X + rectangle.Width / 2) + 0.5;
cr.MoveTo(x, rectangle.Y + 0.5 + 2);
cr.RelLineTo(0, rectangle.Height - 1 - 4);
cr.ClosePath();
cr.SetSourceColor(parent.Style.Dark(StateType.Normal).ToCairoColor());
cr.LineWidth = 1;
cr.Stroke();
return;
}
if (Active || HoverPosition.X >= 0)
{
if (Active)
{
cr.Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
using (var gr = new LinearGradient(rectangle.X, rectangle.Y, rectangle.X, rectangle.Y + rectangle.Height)) {
gr.AddColorStop(0, Tabstrip.ActiveGradientStart);
gr.AddColorStop(1, Tabstrip.ActiveGradientEnd);
cr.SetSource(gr);
}
cr.Fill();
cr.Rectangle(rectangle.X + 0.5, rectangle.Y + 0.5, rectangle.Width - 1, rectangle.Height - 1);
cr.SetSourceRGBA(1, 1, 1, 0.05);
cr.LineWidth = 1;
cr.Stroke();
}
else if (HoverPosition.X >= 0)
{
cr.Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
using (var gr = new LinearGradient(rectangle.X, rectangle.Y, rectangle.X, rectangle.Y + rectangle.Height)) {
var c1 = Tabstrip.ActiveGradientStart;
var c2 = Tabstrip.ActiveGradientEnd;
c1.A = 0.2;
c2.A = 0.2;
gr.AddColorStop(0, c1);
gr.AddColorStop(1, c2);
cr.SetSource(gr);
}
cr.Fill();
}
}
if (Active)
{
cr.SetSourceRGB(1, 1, 1);
}
else
{
cr.SetSourceColor(parent.Style.Text(StateType.Normal).ToCairoColor());
}
cr.MoveTo(rectangle.X + (rectangle.Width - w) / 2, (rectangle.Height - h) / 2);
Pango.CairoHelper.ShowLayout(cr, layout);
}
public static void RenderThumbnail(Cairo.Context cr, ImageSurface image, bool dispose,
double x, double y, double width, double height, bool drawBorder, double radius,
bool fill, Color fillColor, CairoCorners corners)
{
if (image == null || image.Handle == IntPtr.Zero)
{
return;
}
double p_x = x;
double p_y = y;
p_x += image.Width < width ? (width - image.Width) / 2 : 0;
p_y += image.Height < height ? (height - image.Height) / 2 : 0;
cr.Antialias = Cairo.Antialias.Default;
if (fill)
{
cr.Rectangle(x, y, width, height);
cr.Color = fillColor;
cr.Fill();
}
CairoExtensions.RoundedRectangle(cr, p_x, p_y, image.Width, image.Height, radius, corners);
cr.SetSource(image, p_x, p_y);
cr.Fill();
if (!drawBorder)
{
if (dispose)
{
((IDisposable)image).Dispose();
}
return;
}
cr.LineWidth = 1.0;
if (radius < 1)
{
cr.Antialias = Antialias.None;
CairoExtensions.RoundedRectangle(cr, x + 1.5, y + 1.5, width - 3, height - 3, radius, corners);
cr.Color = cover_border_light_color;
cr.Stroke();
}
CairoExtensions.RoundedRectangle(cr, x + 0.5, y + 0.5, width - 1, height - 1, radius, corners);
cr.Color = cover_border_dark_color;
cr.Stroke();
if (dispose)
{
((IDisposable)image).Dispose();
}
}
void DrawDataPoint(Cairo.Context cr, int cellWidth, double height, int max, int day, int temp)
{
cr.Color = new Cairo.Color(0, 0, 0, 0.4);
cr.Arc(BUTTON_SIZE + day * cellWidth * 2 + cellWidth / 2 + 2, 7 + height * (max - temp), 3, 0, 2 * Math.PI);
cr.Fill();
cr.Color = colorTitle;
cr.Arc(BUTTON_SIZE + day * cellWidth * 2 + cellWidth / 2, 5 + height * (max - temp), 3, 0, 2 * Math.PI);
cr.Fill();
}
public override void RealRenderCairo(Cairo.Context context)
{
if (Camera.IsRendererOutOfScreen(this))
{
return;
}
Vector2 screenPos = Camera.WorldToScreenPosition(gameObject.transform.position);
float realRad = gameObject.transform.LocalToWorldLength(radius);
double screenRad = (double)realRad * Camera.instance.zoom;
context.Arc((double)screenPos.x,
(double)screenPos.y,
screenRad,
0, 2 * Math.PI);
if (surf == null)
{
if (useShadow)
{
LinearGradient g = new LinearGradient(screenPos.x - screenRad, screenPos.y + screenRad, screenPos.x + screenRad, screenPos.y - screenRad);
//g.AddColorStopRgb (0.75, new Cairo.Color (ColorR, ColorG, ColorB, ColorA));
g.AddColorStop(0, new Cairo.Color(ColorR * 0.5, ColorG * 0.5, ColorB * 0.5, ColorA * 0.5));
g.AddColorStop(1, new Cairo.Color(ColorR, ColorG, ColorB, ColorA));
context.SetSource(g);
context.Fill();
g.Dispose();
}
else
{
context.SetSourceRGBA(ColorR, ColorG, ColorB, ColorA);
context.Fill();
}
}
else
{
context.SetSourceSurface(surf, (int)(screenPos.x - screenRad), (int)(screenPos.y - screenRad));
context.Fill();
context.GetSource().Dispose();
//surf.Dispose ();
}
/*context.SetSourceRGBA (1,1,1,1);
* context.Arc ((double)screenPos.x,
* (double)screenPos.y,
* (double)realRad * Camera.instance.zoom,
* MyMath.FixAngleRad(-Math.PI/4 - gameObject.transform.rotation), MyMath.FixAngleRad(Math.PI /4 - gameObject.transform.rotation));
*
* context.Fill ();*/
}
protected override bool OnDrawn(Cairo.Context cr)
{
if (this.isDirty)
{
this.Rebuild();
}
bool baseDrawnResult = base.OnDrawn(cr);
cr.SetFontSize(FONT_HEIGHT);
cr.SelectFontFace("Mono", FontSlant.Normal, FontWeight.Normal);
cr.Rectangle(0.0, 0.0, this.allocRect.Width, this.allocRect.Height);
cr.SetSourceRGB(1, 1, 1);
cr.Fill();
var gradient = new LinearGradient(0.0, 0.0, 0.0, this.allocRect.Height);
gradient.AddColorStopRgb(0.0, new Color(0.4, 0.4, 0.4));
gradient.AddColorStopRgb(0.1, new Color(1.0, 1.0, 1.0));
gradient.AddColorStopRgb(0.2, new Color(0.6, 0.6, 0.6));
gradient.AddColorStopRgb(1.0, new Color(0.1, 0.1, 0.1));
cr.LineWidth = 1;
foreach (var box in this.boxen)
{
this.RoundedRect(cr, box.Rect, 4.0);
cr.SetSource(gradient);
cr.FillPreserve();
cr.SetSourceRGB(0, 0, 0);
cr.Stroke();
int x = (int)(box.Rect.X + TAGBOX_PADDING * 2 + TAGBOX_XSIZE);
int y = (int)(box.Rect.Y + box.Rect.Height / 2 + cr.FontExtents.Height / 2 - cr.FontExtents.Descent / 2);
cr.MoveTo(x, y);
cr.TextPath(box.Tag);
cr.SetSourceRGB(1.0, 1.0, 1.0);
cr.Fill();
cr.MoveTo(box.Rect.X + TAGBOX_PADDING + TAGBOX_XOFFSET, box.Rect.Y + TAGBOX_PADDING + TAGBOX_XOFFSET);
cr.RelLineTo(TAGBOX_XSIZE - TAGBOX_XOFFSET * 2, TAGBOX_XSIZE - TAGBOX_XOFFSET * 2);
cr.MoveTo(box.Rect.X + TAGBOX_PADDING + TAGBOX_XOFFSET, box.Rect.Y + TAGBOX_PADDING + TAGBOX_XSIZE - TAGBOX_XOFFSET);
cr.RelLineTo(TAGBOX_XSIZE - TAGBOX_XOFFSET * 2, -TAGBOX_XSIZE + TAGBOX_XOFFSET * 2);
cr.Stroke();
}
return(baseDrawnResult);
}
protected override void Draw(Context cr, Pixbuf prev, Pixbuf next, int width, int height, double progress)
{
cr.SetSourceColor (new Color (0, 0, 0));
if (prev != null) {
double scale = Math.Min ((double)width/(double)prev.Width, (double)height/(double)prev.Height);
cr.Save ();
cr.Translate (-progress * width, 0);
cr.Rectangle (0, 0, width, .5 * (height - scale*prev.Height));
cr.Fill ();
cr.Rectangle (0, height - .5 * (height - scale*prev.Height), width, .5 * (height - scale*prev.Height));
cr.Fill ();
cr.Rectangle (0, 0, .5 * (width - scale*prev.Width), height);
cr.Fill ();
cr.Rectangle (width - .5 * (width - scale*prev.Width), 0, .5 * (width - scale*prev.Width), height);
cr.Fill ();
cr.Rectangle (0, 0, width, height);
cr.Scale (scale, scale);
CairoHelper.SetSourcePixbuf (cr, prev, .5 * ((double)width/scale - prev.Width), .5 * ((double)height/scale - prev.Height));
cr.Fill ();
cr.Restore ();
}
if (next != null) {
double scale = Math.Min ((double)width/(double)next.Width, (double)height/(double)next.Height);
cr.Save ();
cr.Translate (width * (1.0 - progress), 0);
cr.Rectangle (0, 0, width, .5 * (height - scale*next.Height));
cr.Fill ();
cr.Rectangle (0, height - .5 * (height - scale*next.Height), width, .5 * (height - scale*next.Height));
cr.Fill ();
cr.Rectangle (0, 0, .5 * (width - scale*next.Width), height);
cr.Fill ();
cr.Rectangle (width - .5 * (width - scale*next.Width), 0, .5 * (width - scale*next.Width), height);
cr.Fill ();
cr.Rectangle (0, 0, width, height);
cr.Scale (scale, scale);
CairoHelper.SetSourcePixbuf (cr, next, .5 * ((double)width/scale - next.Width), .5 * ((double)height/scale - next.Height));
cr.Fill ();
cr.Restore ();
}
}
public void DrawFooterBackground(Cairo.Context cr, Gdk.Rectangle alloc, int top_offset, bool fill)
{
Color gtk_background_color = GetWidgetColor(GtkColorClass.Background, StateType.Normal);
Color gtk_base_color = GetWidgetColor(GtkColorClass.Base, StateType.Normal);
Color light_color = gtk_background_color.ColorShade(1.1);
Color dark_color = gtk_background_color.ColorShade(0.95);
const CairoCorners corners = CairoCorners.BottomLeft | CairoCorners.BottomRight;
if (fill)
{
LinearGradient grad = new LinearGradient(alloc.X, alloc.Y, alloc.X, alloc.Y + alloc.Height);
grad.AddColorStop(0, light_color);
grad.AddColorStop(0.75, dark_color);
grad.AddColorStop(0, light_color);
cr.Pattern = grad;
cr.RoundedRectangle(alloc.X, alloc.Y + top_offset, alloc.Width, alloc.Height - top_offset, BORDER_RADIUS, corners);
cr.Fill();
cr.Color = gtk_base_color;
cr.Rectangle(alloc.X, alloc.Y, alloc.Width, top_offset);
cr.Fill();
}
else
{
cr.Color = gtk_base_color;
cr.RoundedRectangle(alloc.X, alloc.Y, alloc.Width, alloc.Height, BORDER_RADIUS, corners);
cr.Fill();
}
cr.LineWidth = 1.0;
cr.Translate(alloc.Y + 0.5, alloc.Y - 0.5);
cr.Color = border_color;
cr.RoundedRectangle(alloc.X, alloc.Y - 4, alloc.Width - 1, alloc.Height + 4, BORDER_RADIUS, corners);
cr.Stroke();
if (fill)
{
cr.LineWidth = 1;
cr.Antialias = Cairo.Antialias.None;
cr.MoveTo(alloc.X + 1, alloc.Y + 1 + top_offset);
cr.LineTo(alloc.X + alloc.Width - 1, alloc.Y + 1 + top_offset);
cr.Stroke();
cr.Antialias = Cairo.Antialias.Default;
}
}
protected override FlowReturn OnTransformIp (Gst.Buffer buf) {
if (!buf.IsWritable)
return FlowReturn.Error;
Cairo.ImageSurface img = new Cairo.ImageSurface (buf.Data, Cairo.Format.Rgb24, width, height, width*4);
using (Cairo.Context context = new Cairo.Context (img)) {
double dx = (double) ( (buf.Timestamp / Clock.MSecond) % 2180) / 5;
context.Save ();
context.Scale (width / 640.0, height / 480.0);
context.MoveTo (300, 10 + dx);
context.LineTo (500 - dx, 400);
context.LineWidth = 4.0;
context.Color = new Color (0, 0, 1.0);
context.Stroke();
context.Restore ();
if (lastX != -1 && lastY != -1) {
context.Color = new Color (1.0, 0, 0);
context.Translate (lastX, lastY);
context.Scale (Math.Min (width / 640.0, height / 480.0), Math.Min (width / 640.0, height / 480.0));
context.Arc (0, 0, 10.0, 0.0, 2 * Math.PI);
context.Fill();
}
}
img.Destroy ();
return base.OnTransformIp (buf);
}
public override void Apply (CanvasItem item, Context cr)
{
int steps = ShadowSize;
double opacity_step = ShadowOpacity / ShadowSize;
Color color = new Color (0, 0, 0);
double width = Math.Round (item.Allocation.Width);
double height = Math.Round (item.Allocation.Height);
if (Fill != null) {
cr.Rectangle (shadow_size, shadow_size, width - ShadowSize * 2, height - ShadowSize * 2);
Fill.Apply (cr);
cr.Fill ();
}
cr.LineWidth = 1.0;
for (int i = 0; i < steps; i++) {
CairoExtensions.RoundedRectangle (cr,
i + 0.5,
i + 0.5,
(width - 2 * i) - 1,
(height - 2 * i) - 1,
steps - i);
color.A = opacity_step * (i + 1);
cr.Color = color;
cr.Stroke ();
}
}
public void Render(DrawingArea area, SettingsModel settings)
{
var width = area.Allocation.Width;
var height = area.Allocation.Height;
var kaleidoscope = _factory.Get (settings.Type);
var rootNode = kaleidoscope.Generate (
settings.GeometyWidth,
settings.ImageUri,
width, height);
ImageSurface surface = new ImageSurface(Format.Argb32, width, height);
using (var context = new Context (surface)) {
context.Translate(width / 2, height / 2);
rootNode.Render (context);
}
rootNode.Geometry.Dispose ();
using (Context context = Gdk.CairoHelper.Create (area.GdkWindow)) {
context.Rectangle(0, 0, width, height);
context.SetSource(surface);
context.Fill();
context.GetTarget ().Dispose ();
}
surface.Dispose ();
}
private void RenderNetwork(Network network, Cairo.Context gc)
{
lock (network) {
Rectangle rect = (Rectangle)network.Properties["rect"];
SizeD titleSize = CalculateNetworkTitleSize(network, gc);
Hashtable nodegroups = network.Properties["nodegroups"] as Hashtable;
gc.Save();
// Draw network box
gc.Color = networkBG;
gc.Rectangle(rect);
gc.Fill();
// Draw title, 2px/2px offset from top/left corner
gc.Color = white;
gc.MoveTo(rect.X + 2, rect.Y + 2 /* + titleSize.Height */);
Pango.Layout layout = new Pango.Layout(this.PangoContext);
layout.FontDescription = this.PangoContext.FontDescription.Copy();
layout.FontDescription.Size = Pango.Units.FromDouble(NetworkNameFontSize);
layout.SetText(network.NetworkName);
Pango.CairoHelper.ShowLayout(gc, layout);
foreach (NodeGroup ng in nodegroups.Values)
{
RenderNodeGroup(ng, network, gc);
}
gc.Restore();
RenderConnections(network, gc);
}
}
private void HandlePintaCoreActionsEditEraseSelectionActivated(object sender, EventArgs e)
{
Document doc = PintaCore.Workspace.ActiveDocument;
PintaCore.Tools.Commit();
Cairo.ImageSurface old = doc.Layers.CurrentUserLayer.Surface.Clone();
using (var g = new Cairo.Context(doc.Layers.CurrentUserLayer.Surface)) {
g.AppendPath(doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Operator = Cairo.Operator.Clear;
g.Fill();
}
doc.Workspace.Invalidate();
if (sender is string && (sender as string) == "Cut")
{
doc.History.PushNewItem(new SimpleHistoryItem(Resources.StandardIcons.EditCut, Translations.GetString("Cut"), old, doc.Layers.CurrentUserLayerIndex));
}
else
{
doc.History.PushNewItem(new SimpleHistoryItem(Resources.Icons.EditSelectionErase, Translations.GetString("Erase Selection"), old, doc.Layers.CurrentUserLayerIndex));
}
}
public void DrawRowSelection(Cairo.Context cr, int x, int y, int width, int height,
bool filled, bool stroked, Cairo.Color color, CairoCorners corners)
{
color.A *= 0.85;
Cairo.Color selection_color = color;
Cairo.Color selection_stroke = CairoExtensions.ColorShade(selection_color, 0.85);
selection_stroke.A = color.A;
if (filled)
{
Cairo.Color selection_fill_light = CairoExtensions.ColorShade(selection_color, 1.05);
Cairo.Color selection_fill_dark = selection_color;
selection_fill_light.A = color.A;
selection_fill_dark.A = color.A;
LinearGradient grad = new LinearGradient(x, y, x, y + height);
grad.AddColorStop(0, selection_fill_dark);
grad.AddColorStop(1, selection_fill_light);
cr.SetSource(grad);
cr.Rectangle(x, y, width, height);
cr.Fill();
grad.Dispose();
}
if (stroked && !filled)
{
cr.LineWidth = 1.0;
cr.SetSourceColor(selection_stroke);
cr.Rectangle(x + 0.5, y + 0.5, width - 1, height - 1);
cr.Stroke();
}
}
public void DrawRowSelection(Cairo.Context cr, int x, int y, int width, int height,
bool filled, bool stroked, Cairo.Color color, CairoCorners corners, bool flat_fill)
{
var selection_color = color;
var selection_highlight = CairoExtensions.ColorShade(selection_color, 1.24);
var selection_stroke = CairoExtensions.ColorShade(selection_color, 0.85);
selection_highlight.A = 0.5;
selection_stroke.A = color.A;
LinearGradient grad = null;
if (filled)
{
if (flat_fill)
{
cr.SetSourceColor(selection_color);
}
else
{
var selection_fill_light = CairoExtensions.ColorShade(selection_color, 1.12);
var selection_fill_dark = selection_color;
selection_fill_light.A = color.A;
selection_fill_dark.A = color.A;
grad = new LinearGradient(x, y, x, y + height);
grad.AddColorStop(0, selection_fill_light);
grad.AddColorStop(0.4, selection_fill_dark);
grad.AddColorStop(1, selection_fill_light);
cr.SetSource(grad);
}
CairoExtensions.RoundedRectangle(cr, x, y, width, height, Context.Radius, corners, true);
cr.Fill();
if (grad != null)
{
grad.Dispose();
}
}
if (filled && stroked)
{
cr.LineWidth = 1.0;
cr.SetSourceColor(selection_highlight);
CairoExtensions.RoundedRectangle(cr, x + 1.5, y + 1.5, width - 3, height - 3,
Context.Radius - 1, corners, true);
cr.Stroke();
}
if (stroked)
{
cr.LineWidth = 1.0;
cr.SetSourceColor(selection_stroke);
CairoExtensions.RoundedRectangle(cr, x + 0.5, y + 0.5, width - 1, height - 1,
Context.Radius, corners, true);
cr.Stroke();
}
}
public override void Draw(Cairo.Context cr, double xPos, double yPos, PrintLayer layer)
{
if (_regionSettings != null)
{
xPos += _regionSettings.Indent;
if (layer == PrintLayer.Background && _regionSettings.HasBackground)
{
TextExtents extents = GetExtents(cr);
// If there is a background, draw it here.
cr.SetSourceRGB(_regionSettings.Background.Red, _regionSettings.Background.Green, _regionSettings.Background.Blue);
cr.Rectangle(xPos
, yPos - extents.Height - extents.YAdvance
, extents.Width - _regionSettings.Indent
, extents.Height + extents.YAdvance);
cr.Fill();
}
else if (layer == PrintLayer.Text)
{
xPos += _regionSettings.PaddingLeft;
yPos -= _regionSettings.PaddingBottom;
}
}
_children.VerticalDraw(cr, xPos, yPos, layer);
}
void Draw3Circles (Context cr, int xc, int yc, double radius, double alpha)
{
double subradius = radius * (2 / 3.0 - 0.1);
cr.Color = new Color (1.0, 0.0, 0.0, alpha);
OvalPath (cr, xc + radius / 3.0 * Math.Cos (Math.PI * 0.5), yc - radius / 3.0 * Math.Sin (Math.PI * 0.5), subradius, subradius);
cr.Fill ();
cr.Color = new Color (0.0, 1.0, 0.0, alpha);
OvalPath (cr, xc + radius / 3.0 * Math.Cos (Math.PI * (0.5 + 2 / 0.3)), yc - radius / 3.0 * Math.Sin (Math.PI * (0.5 + 2 / 0.3)), subradius, subradius);
cr.Fill ();
cr.Color = new Color (0.0, 0.0, 1.0, alpha);
OvalPath (cr, xc + radius / 3.0 * Math.Cos (Math.PI * (0.5 + 4 / 0.3)), yc - radius / 3.0 * Math.Sin (Math.PI * (0.5 + 4 / 0.3)), subradius, subradius);
cr.Fill ();
}
public void DrawObject(Context ctx, DrawingObject body)
{
if (body == null)
return;
ctx.Save ();
ctx.Color = new Cairo.Color (0, 0, 0);
ctx.LineWidth = 1;
foreach (Tuple<PointDouble, PointDouble> line in body.lines) {
ctx.MoveTo (line.Item1.toPointD());
ctx.LineTo (line.Item2.toPointD());
}
if (body.points.Count > 1)
ctx.Rectangle(body._centerOfMass.X - 5, body._centerOfMass.Y - 5, 10, 10);
ctx.Stroke ();
foreach (PointDouble point in body.points) {
ctx.Rectangle (point.X - 5, point.Y - 5, 10, 10);
ctx.Fill ();
}
foreach (Tuple<PointDouble, double, double> force in body._forces) {
DrawForce (ctx, force);
}
foreach (Tuple<PointDouble, double> moment in body._moments) {
DrawMoment (ctx, moment);
}
ctx.Restore ();
}
static void draw (Context cr, int width, int height)
{
double xc = 0.5;
double yc = 0.5;
double radius = 0.4;
double angle1 = 45.0 * (Math.PI / 180.0); // angles are specified
double angle2 = 180.0 * (Math.PI / 180.0); // in radians
cr.Scale (width, height);
cr.LineWidth = 0.04;
cr.Arc (xc, yc, radius, angle1, angle2);
cr.Stroke ();
// draw helping lines
cr.Color = new Color(1, 0.2, 0.2, 0.6);
cr.Arc (xc, yc, 0.05, 0, 2 * Math.PI);
cr.Fill ();
cr.LineWidth = 0.03;
cr.Arc (xc, yc, radius, angle1, angle1);
cr.LineTo (new PointD (xc, yc));
cr.Arc (xc, yc, radius, angle2, angle2);
cr.LineTo (new PointD (xc, yc));
cr.Stroke ();
}
protected override void onDraw(Cairo.Context gr)
{
base.onDraw(gr);
Rectangle r = ClientRectangle;
Gradient.Type gt = Gradient.Type.Horizontal;
if (Orientation == Orientation.Vertical)
{
gt = Gradient.Type.Vertical;
}
Crow.Gradient grad = new Gradient(gt);
grad.Stops.Add(new Gradient.ColorStop(0, new Color(1, 0, 0, 1)));
grad.Stops.Add(new Gradient.ColorStop(0.167, new Color(1, 1, 0, 1)));
grad.Stops.Add(new Gradient.ColorStop(0.333, new Color(0, 1, 0, 1)));
grad.Stops.Add(new Gradient.ColorStop(0.5, new Color(0, 1, 1, 1)));
grad.Stops.Add(new Gradient.ColorStop(0.667, new Color(0, 0, 1, 1)));
grad.Stops.Add(new Gradient.ColorStop(0.833, new Color(1, 0, 1, 1)));
grad.Stops.Add(new Gradient.ColorStop(1, new Color(1, 0, 0, 1)));
grad.SetAsSource(gr, r);
CairoHelpers.CairoRectangle(gr, r, CornerRadius);
gr.Fill();
}
static void draw(Cairo.Context gr, int width, int height)
{
int w, h;
ImageSurface image;
gr.Scale(width, height);
gr.LineWidth = 0.04;
gr.Arc(0.5, 0.5, 0.3, 0, 2 * M_PI);
gr.Clip();
gr.NewPath();
image = new ImageSurface("data/e.png");
w = image.Width;
h = image.Height;
gr.Scale(1.0 / w, 1.0 / h);
image.Show(gr, 0, 0);
image.Destroy();
gr.Arc(0.5, 0.5, 0.3, 0, 2 * M_PI);
gr.Clip();
gr.NewPath();
gr.Rectangle(new PointD(0, 0), 1, 1);
gr.Fill();
gr.Color = new Color(0, 1, 0, 1);
gr.MoveTo(new PointD(0, 0));
gr.LineTo(new PointD(1, 1));
gr.MoveTo(new PointD(1, 0));
gr.LineTo(new PointD(0, 1));
gr.Stroke();
}
public static SurfacePattern CreateImageBrush(ImageBrush brush, Size targetSize)
{
if (brush.Source == null)
{
return null;
}
// TODO: This is directly ported from Direct2D and could probably be made more
// efficient on cairo by taking advantage of the fact that cairo has Extend.None.
var image = ((BitmapImpl)brush.Source.PlatformImpl).Surface;
var imageSize = new Size(brush.Source.PixelWidth, brush.Source.PixelHeight);
var tileMode = brush.TileMode;
var sourceRect = brush.SourceRect.ToPixels(imageSize);
var destinationRect = brush.DestinationRect.ToPixels(targetSize);
var scale = brush.Stretch.CalculateScaling(destinationRect.Size, sourceRect.Size);
var translate = CalculateTranslate(brush, sourceRect, destinationRect, scale);
var intermediateSize = CalculateIntermediateSize(tileMode, targetSize, destinationRect.Size);
var intermediate = new ImageSurface (Format.ARGB32, (int)intermediateSize.Width, (int)intermediateSize.Height);
using (var context = new Context(intermediate))
{
Rect drawRect;
var transform = CalculateIntermediateTransform(
tileMode,
sourceRect,
destinationRect,
scale,
translate,
out drawRect);
context.Rectangle(drawRect.ToCairo());
context.Clip();
context.Transform(transform.ToCairo());
Gdk.CairoHelper.SetSourcePixbuf(context, image, 0, 0);
context.Rectangle(0, 0, imageSize.Width, imageSize.Height);
context.Fill();
var result = new SurfacePattern(intermediate);
if ((brush.TileMode & TileMode.FlipXY) != 0)
{
// TODO: Currently always FlipXY as that's all cairo supports natively.
// Support separate FlipX and FlipY by drawing flipped images to intermediate
// surface.
result.Extend = Extend.Reflect;
}
else
{
result.Extend = Extend.Repeat;
}
if (brush.TileMode != TileMode.None)
{
var matrix = result.Matrix;
matrix.InitTranslate(-destinationRect.X, -destinationRect.Y);
result.Matrix = matrix;
}
return result;
}
}
public static void DrawRoundedRectangle(Cairo.Context gr, double x, double y,
double width, double height, double radius,
Cairo.Color color, Cairo.Color borderColor)
{
gr.Save();
if ((radius > height / 2) || (radius > width / 2))
{
radius = Math.Min(height / 2, width / 2);
}
gr.MoveTo(x, y + radius);
gr.Arc(x + radius, y + radius, radius, Math.PI, -Math.PI / 2);
gr.LineTo(x + width - radius, y);
gr.Arc(x + width - radius, y + radius, radius, -Math.PI / 2, 0);
gr.LineTo(x + width, y + height - radius);
gr.Arc(x + width - radius, y + height - radius, radius, 0, Math.PI / 2);
gr.LineTo(x + radius, y + height);
gr.Arc(x + radius, y + height - radius, radius, Math.PI / 2, Math.PI);
gr.ClosePath();
gr.Restore();
gr.LineJoin = LineJoin.Round;
gr.Color = borderColor;
gr.StrokePreserve();
gr.Color = color;
gr.Fill();
}
void Draw(Context cr, int width, int height)
{
cr.LineWidth = 1.0;
cr.Color = new Color(1.0, 1.0, 1.0);
cr.Rectangle(0, 0, width, height);
cr.Fill();
cr.Save();
cr.Scale(scale_factor, scale_factor);
try
{
if(diagram != null)
{
DiagramRenderer dr = new DiagramRenderer(cr, width, height, diagram);
cr.Color = new Color(0.0, 0.0, 0.0);
dr.Render();
dr.Draw();
}
}
catch
{
error_counter++;
}
cr.Restore();
}
public virtual void Draw(Context cr, Gdk.Rectangle clip)
{
cr.Rectangle(clip.X, clip.Y, clip.Width, clip.Height);
cr.Color = BackgroundColor;
cr.Fill();
cr.Stroke();
}
public void DrawHist(TimeList<Complex[]> list, double t)
{
using (Context context = new Context(Surface)) {
context.Rectangle(0, 0, Width, Height);
context.Color = Background;
context.Fill();
int index = list.Index (t);
int times = 30;
double xl = (double)(Width - 60) / N;
double yl = (double)Height / times;
Complex[] points;
Color c;
int ii;
for (int i = index; i >= Math.Max(0, index - times); i--) {
points = list.Get (i);
N = points.Length;
ii = index - i;
for (int j = 0; j < points.Length; j++) {
DrawHistArea (context, xl, yl, ii, j, _valueExtractor(points [j]));
}
}
}
DrawExpose (null, null);
}
/*override (Gdk.EventButton evnt)
* {
* var res = base.OnButtonPressEvent(evnt);
* if ((evnt.Button & (uint)Gdk.ModifierType.Button1Mask) != 0)
* {
* if ((evnt.Button & (uint)Gdk.ModifierType.ShiftMask) != 0)
* {
* // if is left click + shift
* EnableMode = EnableMode.ActiveWithLimit;
* }
* else
* {
* // if is left click
* EnableMode = EnableMode.Active;
* }
* }else if ((evnt.Button & (uint)Gdk.ModifierType.Button3Mask) != 0)
* {
* //right clicked
* EnableMode = EnableMode.Disabled;
* }
*
* QueueDraw();
*
* return res;
* }*/
void SetBgColor(EnableMode enableMode, Gdk.EventExpose evnt)
{
//this.ModifyBg(StateType.Normal, Colors[(int)EnableMode]);
Cairo.Context cr = Gdk.CairoHelper.Create(this.GdkWindow);
cr.Rectangle(0, 0, Allocation.Width, Allocation.Height);
Color c = new Color(0, 0, 0);
cr.SetSourceColor(c);
cr.Stroke();
cr.Rectangle(1, 1, Allocation.Width - 1, Allocation.Height - 1);
if (enableMode == EnableMode.Active)
{
c = Colors[1];
}
else if (enableMode == EnableMode.ActiveWithLimit)
{
c = Colors[2];
}
else if (enableMode == EnableMode.Disabled)
{
c = Colors[0];
}
cr.SetSourceColor(c);
cr.Fill();
cr.Target.Dispose();
cr.Dispose();
// set tooltip
HasTooltip = true;
TooltipText = enableMode.ToString();
}
public override void DrawColumnHeaderFocus(Cairo.Context cr, Gdk.Rectangle alloc)
{
double top_offset = 2.0;
double right_offset = 2.0;
double margin = 0.5;
double line_width = 0.7;
var stroke_color = CairoExtensions.ColorShade(
Colors.GetWidgetColor(GtkColorClass.Background, StateType.Selected), 0.8);
stroke_color.A = 0.1;
cr.SetSourceColor(stroke_color);
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (margin + line_width) * 2.0 - right_offset,
alloc.Height - (margin + line_width) * 2.0 - top_offset,
Context.Radius / 2.0, CairoCorners.None);
cr.Fill();
stroke_color.A = 1.0;
cr.LineWidth = line_width;
cr.SetSourceColor(stroke_color);
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (line_width + margin) * 2.0 - right_offset,
alloc.Height - (line_width + margin) * 2.0 - right_offset,
Context.Radius / 2.0, CairoCorners.All);
cr.Stroke();
}
/// <summary>Paint on the graphics context</summary>
/// <param name="context">The graphics context to draw on</param>
public override void Paint(Cairo.Context context)
{
if (Selected)
{
context.SetSourceColor(OxyColors.Blue);
}
else
{
context.SetSourceColor(ForegroundColour);
}
// Draw circle
context.LineWidth = 3;
context.NewPath();
context.Arc(Location.X, Location.Y, Width / 2, 0, 2 * Math.PI);
context.StrokePreserve();
context.SetSourceColor(Colour);
context.Fill();
// Write text
context.LineWidth = 1;
context.SetSourceColor(OxyColors.Black);
context.SetFontSize(13);
DrawCentredText(context, Name, Location);
}
protected override bool OnExposeEvent(EventExpose evnt)
{
if (!IsRealized)
{
return(true);
}
using (Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window)) {
cr.Save();
cr.Color = new Cairo.Color(0, 0, 0, 0);
cr.Operator = Operator.Source;
cr.Paint();
cr.Restore();
int width, height;
GetSizeRequest(out width, out height);
double opacity = Math.Min(1, (DateTime.UtcNow - shown_time).TotalMilliseconds / AnimationTime);
if (!curtainDown)
{
opacity = 1 - opacity;
}
cr.Rectangle(0, 0, width, height);
cr.Color = new Cairo.Color(0, 0, 0, CurtainOpacity * opacity);
cr.Fill();
(cr.Target as IDisposable).Dispose();
}
return(false);
}
protected override void RenderCoverArt(Cairo.Context cr, ImageSurface image)
{
if (image == null)
{
return;
}
Gdk.Rectangle alloc = RenderAllocation;
int asr = ArtworkSizeRequest;
int reflect = (int)(image.Height * 0.2);
int surface_w = image.Width;
int surface_h = image.Height + reflect;
int x = alloc.X + alloc.Width - asr;
int y = alloc.Y;
Surface scene = null;
if (!surfaces.TryGetValue(image, out scene))
{
scene = CreateScene(cr, image, reflect);
surfaces.Add(image, scene);
}
cr.Rectangle(x, y, asr, alloc.Height);
cr.Color = BackgroundColor;
cr.Fill();
x += (asr - surface_w) / 2;
y += surface_h > asr ? 0 : (asr - surface_h) / 2;
cr.SetSource(scene, x, y);
cr.Paint();
}
void DrawButtonTabs(Cairo.Context cr, Cairo.Rectangle rectangle)
{
if (IsSeparator)
{
cr.NewPath();
double x = Math.Ceiling(rectangle.X + rectangle.Width / 2) + 0.5;
cr.MoveTo(x, rectangle.Y + 0.5 + 2);
cr.RelLineTo(0, rectangle.Height - 1 - 4);
cr.ClosePath();
cr.Color = (HslColor)parent.Style.Dark(StateType.Normal);
cr.LineWidth = 1;
cr.Stroke();
return;
}
int topPadding = 2;
if (Active || HoverPosition.X >= 0)
{
cr.NewPath();
cr.Rectangle(rectangle.X + 0.5, rectangle.Y + 0.5 + topPadding, rectangle.Width - 1, rectangle.Height - topPadding);
cr.ClosePath();
if (Active)
{
cr.Color = (HslColor)parent.Style.Background(StateType.Prelight);
}
else if (HoverPosition.X >= 0)
{
double rx = rectangle.X + HoverPosition.X;
double ry = rectangle.Y + HoverPosition.Y;
Cairo.RadialGradient gradient = new Cairo.RadialGradient(rx, ry, rectangle.Height * 1.5,
rx, ry, 2);
var color = (HslColor)parent.Style.Dark(StateType.Normal);
color.L *= 1.1;
gradient.AddColorStop(0, color);
color.L *= 1.1;
gradient.AddColorStop(1, color);
cr.Pattern = gradient;
}
if (!Active)
{
cr.Fill();
}
else
{
cr.FillPreserve();
cr.Color = (HslColor)parent.Style.Dark(StateType.Normal);
cr.LineWidth = 1;
cr.Stroke();
}
}
cr.Save();
cr.Translate(rectangle.X + (rectangle.Width - w) / 2, (rectangle.Height - h) / 2 + topPadding);
cr.Color = (HslColor)parent.Style.Text(StateType.Normal);
cr.ShowLayout(layout);
cr.Restore();
}
public override void Draw(Cairo.Context cr, double xPos, double yPos, PrintLayer layer)
{
if (layer == PrintLayer.Text)
{
cr.SetFont(_fontInfo);
yPos -= _extents.YAdvance;
if (_fontInfo.Underline == true)
{
TextExtents extents = GetExtents(cr);
cr.Rectangle(xPos
, yPos - _fontInfo.UnderlineHeight
, extents.Width
, _fontInfo.UnderlineHeight);
cr.Fill();
yPos -= _fontInfo.UnderlineHeight + 2.0;
}
cr.MoveTo(xPos, yPos);
cr.ShowText(_text);
}
}
public override void DrawColumnHeaderFocus(Cairo.Context cr, Gdk.Rectangle alloc)
{
double top_offset = 2.0;
double right_offset = 2.0;
double margin = 0.5;
double line_width = 0.7;
Cairo.Color stroke_color = CairoExtensions.ColorShade(
CairoExtensions.GdkRGBAToCairoColor(
Widget.StyleContext.GetBackgroundColor(StateFlags.Selected)), 0.8);
stroke_color.A = 0.1;
cr.Color = stroke_color;
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (margin + line_width) * 2.0 - right_offset,
alloc.Height - (margin + line_width) * 2.0 - top_offset,
Context.Radius / 2.0, CairoCorners.None);
cr.Fill();
stroke_color.A = 1.0;
cr.LineWidth = line_width;
cr.Color = stroke_color;
CairoExtensions.RoundedRectangle(cr,
alloc.X + margin + line_width + right_offset,
alloc.Y + margin + line_width + top_offset,
alloc.Width - (line_width + margin) * 2.0 - right_offset,
alloc.Height - (line_width + margin) * 2.0 - right_offset,
Context.Radius / 2.0, CairoCorners.All);
cr.Stroke();
}
protected override FlowReturn OnTransformIp(Gst.Buffer buf)
{
if (!buf.IsWritable)
{
return(FlowReturn.Error);
}
Cairo.ImageSurface img = new Cairo.ImageSurface(buf.Data, Cairo.Format.Rgb24, width, height, width * 4);
using (Cairo.Context context = new Cairo.Context(img)) {
double dx = (double)((buf.Timestamp / Clock.MSecond) % 2180) / 5;
context.Save();
context.Scale(width / 640.0, height / 480.0);
context.MoveTo(300, 10 + dx);
context.LineTo(500 - dx, 400);
context.LineWidth = 4.0;
context.Color = new Color(0, 0, 1.0);
context.Stroke();
context.Restore();
if (lastX != -1 && lastY != -1)
{
context.Color = new Color(1.0, 0, 0);
context.Translate(lastX, lastY);
context.Scale(Math.Min(width / 640.0, height / 480.0), Math.Min(width / 640.0, height / 480.0));
context.Arc(0, 0, 10.0, 0.0, 2 * Math.PI);
context.Fill();
}
}
img.Destroy();
return(base.OnTransformIp(buf));
}
private void Image_Loaded(object sender, RoutedEventArgs e)
{
Image image = (Image)sender;
using (ImageSurface surface = new ImageSurface(Format.Argb32, (int)image.Width, (int)image.Height))
{
using (Context context = new Context(surface))
{
PointD p = new PointD(10.0, 10.0);
PointD p2 = new PointD(100.0, 10.0);
PointD p3 = new PointD(100.0, 100.0);
PointD p4 = new PointD(10.0, 100.0);
context.MoveTo(p);
context.LineTo(p2);
context.LineTo(p3);
context.LineTo(p4);
context.LineTo(p);
context.ClosePath();
context.Fill();
context.MoveTo(140.0, 110.0);
context.SetFontSize(32.0);
context.SetSourceColor(new Color(0.0, 0.0, 0.8, 1.0));
context.ShowText("Hello Cairo!");
surface.Flush();
RgbaBitmapSource source = new RgbaBitmapSource(surface.Data, surface.Width);
image.Source = source;
}
}
}
void DrawVertConditionText(Cairo.Context cr, int yCenter, string text)
{
using (Pango.Layout layout = DockServices.Drawing.ThemedPangoLayout()) {
Pango.Rectangle inkRect, logicalRect;
layout.FontDescription = new Gtk.Style().FontDescription;
layout.FontDescription.Weight = Pango.Weight.Bold;
layout.Ellipsize = Pango.EllipsizeMode.None;
layout.Width = Pango.Units.FromPixels(Allocation.Width);
if (WeatherController.Weather.ForecastDays < 6)
{
layout.FontDescription.AbsoluteSize = Pango.Units.FromPixels((int)(Allocation.Width / 10));
}
else
{
layout.FontDescription.AbsoluteSize = Pango.Units.FromPixels((int)(Allocation.Width / 7));
}
cr.Color = new Cairo.Color(1, 1, 1, 0.9);
layout.SetText(text);
layout.GetPixelExtents(out inkRect, out logicalRect);
cr.MoveTo((Allocation.Width - logicalRect.Width) / 2, yCenter - logicalRect.Height / 2);
Pango.CairoHelper.LayoutPath(cr, layout);
cr.Fill();
layout.FontDescription.Dispose();
layout.Context.Dispose();
}
}
static void draw(Cairo.Context gr, int width, int height)
{
double xc = 0.5;
double yc = 0.5;
double radius = 0.4;
double angle1 = 45.0 * (M_PI / 180.0); /* angles are specified */
double angle2 = 180.0 * (M_PI / 180.0); /* in radians */
gr.Scale(width, height);
gr.LineWidth = 0.04;
gr.Arc(xc, yc, radius, angle1, angle2);
gr.Stroke();
/* draw helping lines */
gr.Color = new Color(1, 0.2, 0.2, 0.6);
gr.Arc(xc, yc, 0.05, 0, 2 * M_PI);
gr.Fill();
gr.LineWidth = 0.03;
gr.Arc(xc, yc, radius, angle1, angle1);
gr.LineTo(new PointD(xc, yc));
gr.Arc(xc, yc, radius, angle2, angle2);
gr.LineTo(new PointD(xc, yc));
gr.Stroke();
}
void imprime_encabezado(Cairo.Context cr, Pango.Layout layout)
{
Gtk.Image image5 = new Gtk.Image();
image5.Name = "image5";
//image5.Pixbuf = new Gdk.Pixbuf(System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "osiris.jpg"));
image5.Pixbuf = new Gdk.Pixbuf("/opt/osiris/bin/OSIRISLogo.jpg"); // en Linux
//image5.Pixbuf.ScaleSimple(128, 128, Gdk.InterpType.Bilinear);
//Gdk.CairoHelper.SetSourcePixbuf(cr,image5.Pixbuf,1,-30);
//Gdk.CairoHelper.SetSourcePixbuf(cr,image5.Pixbuf.ScaleSimple(145, 50, Gdk.InterpType.Bilinear),1,1);
Gdk.CairoHelper.SetSourcePixbuf(cr, image5.Pixbuf, 1, 1);
cr.Fill();
//cr.Restore();
cr.Paint();
cr.Restore();
Pango.FontDescription desc = Pango.FontDescription.FromString("Sans");
// cr.Rotate(90) Imprimir Orizontalmente rota la hoja cambian las posiciones de las lineas y columna
fontSize = 6.0;
desc.Size = (int)(fontSize * pangoScale); layout.FontDescription = desc;
layout.FontDescription.Weight = Weight.Bold;
//cr.MoveTo(20*escala_en_linux_windows,10*escala_en_linux_windows); layout.SetText(classpublic.nombre_empresa); Pango.CairoHelper.ShowLayout (cr, layout);
//cr.MoveTo(20*escala_en_linux_windows,20*escala_en_linux_windows); layout.SetText(classpublic.direccion_empresa); Pango.CairoHelper.ShowLayout (cr, layout);
//cr.MoveTo(20*escala_en_linux_windows,30*escala_en_linux_windows); layout.SetText(classpublic.telefonofax_empresa); Pango.CairoHelper.ShowLayout (cr, layout);
//cr.MoveTo(20*escala_en_linux_windows,70*escala_en_linux_windows); layout.SetText("Sistema Hospitalario OSIRIS"); Pango.CairoHelper.ShowLayout (cr, layout);
// Cambiando el tamaño de la fuente
fontSize = 12.0;
desc.Size = (int)(fontSize * pangoScale); layout.FontDescription = desc;
cr.MoveTo(230 * escala_en_linux_windows, 55 * escala_en_linux_windows); layout.SetText("PROTOCOLO DE ADMISION");
Pango.CairoHelper.ShowLayout(cr, layout);
cr.MoveTo(280 * escala_en_linux_windows, 65 * escala_en_linux_windows); layout.SetText("REGISTRO");
Pango.CairoHelper.ShowLayout(cr, layout);
layout.FontDescription.Weight = Weight.Normal; // Letra Normal
fontSize = 8.0;
desc.Size = (int)(fontSize * pangoScale); layout.FontDescription = desc;
}
// public override TextExtents GetExtents(Cairo.Context cr)
// {
// TextExtents extents = new TextExtents();
// extents.Height = _pageSettings.PageHeight;
// extents.Width = _pageSettings.PageWidth;
// return extents;
// }
public override void Draw(Cairo.Context cr, double xPos, double yPos, PrintLayer layer)
{
if (layer == PrintLayer.DisplayBackground)
{
// Create the shadow effect
cr.SetSourceRGBA(0.5, 0.5, 0.5, 0.5);
cr.Rectangle(xPos + Constants.SHADOW_WIDTH
, yPos + Constants.SHADOW_WIDTH
, _pageSettings.PaperWidth
, _pageSettings.PaperHeight);
cr.Fill();
cr.SetSourceRGB(1, 1, 1);
cr.Rectangle(xPos
, yPos
, _pageSettings.PaperWidth
, _pageSettings.PaperHeight);
cr.Fill();
}
double pageTop = yPos;
yPos += _pageSettings.TopMargin;
xPos += _pageSettings.LeftMargin;
if (_header != null)
{
yPos += _header.GetExtents(cr).Height;
_header.Draw(cr, xPos, yPos, layer);
}
// Move the cursor to the bottom of the page elements.
TextExtents extents = GetExtents(cr);
yPos += extents.Height + extents.YAdvance;
// Draw the page elements in reverse order.
base.Draw(cr, xPos, yPos, layer);
if (_footer != null)
{
yPos = pageTop + _pageSettings.PageHeight;
_footer.Draw(cr, xPos, yPos, layer);
}
}
protected override void onDraw (Cairo.Context gr)
{
base.onDraw (gr);
if (lines == null)
return;
gr.SelectFontFace (Font.Name, Font.Slant, Font.Wheight);
gr.SetFontSize (Font.Size);
Rectangle r = ClientRectangle;
Foreground.SetAsSource (gr);
double y = ClientRectangle.Y;
double x = ClientRectangle.X;
Fill errorFill = new SolidColor (Color.Carmine);
for (int i = 0; i < visibleLines; i++) {
if (i + Scroll >= Lines.Count)
break;
if ((lines [i + Scroll] as string).StartsWith ("error", StringComparison.OrdinalIgnoreCase)) {
errorFill.SetAsSource (gr);
gr.Rectangle (x, y, (double)r.Width, fe.Height);
gr.Fill ();
Foreground.SetAsSource (gr);
}
gr.MoveTo (x, y + fe.Ascent);
gr.ShowText (lines[i+Scroll] as string);
y += fe.Height;
gr.Fill ();
}
if (Lines.Count <= visibleLines)
return;
Rectangle scrBar = ClientRectangle;
scrBar.X += ClientRectangle.Width - scrBarWidth;
scrBar.Width = scrBarWidth;
new SolidColor (Color.LightGray.AdjustAlpha(0.5)).SetAsSource (gr);
CairoHelpers.CairoRectangle(gr, scrBar, 2.0);
gr.Fill ();
new SolidColor (Color.BlueCrayola.AdjustAlpha(0.7)).SetAsSource (gr);
scrBar.Y += (int)((double)scrBar.Height * (double)Scroll / (double)Lines.Count);
scrBar.Height = (int)((double)scrBar.Height * (double)visibleLines / (double)Lines.Count);
CairoHelpers.CairoRectangle(gr, scrBar, 2.0);
gr.Fill ();
}
public void Draw(Cairo.Context cr, Cairo.Rectangle rectangle)
{
if (IsSeparator)
{
cr.NewPath();
double x = Math.Ceiling(rectangle.X + rectangle.Width / 2) + 0.5;
cr.MoveTo(x, rectangle.Y + 0.5 + 2);
cr.RelLineTo(0, rectangle.Height - 1 - 4);
cr.ClosePath();
cr.SetSourceColor(Styles.SubTabBarSeparatorColor.ToCairoColor());
cr.LineWidth = 1;
cr.Stroke();
return;
}
if (Active || HoverPosition.X >= 0)
{
if (Active)
{
cr.Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
cr.SetSourceColor(Styles.SubTabBarActiveBackgroundColor.ToCairoColor());
cr.Fill();
}
else if (HoverPosition.X >= 0)
{
cr.Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
cr.SetSourceColor(Styles.SubTabBarHoverBackgroundColor.ToCairoColor());
cr.Fill();
}
}
if (Active)
{
cr.SetSourceColor(Styles.SubTabBarActiveTextColor.ToCairoColor());
layout.FontDescription = FontService.SansFont.CopyModified(Styles.FontScale11, Pango.Weight.Bold);
}
else
{
cr.SetSourceColor(Styles.SubTabBarTextColor.ToCairoColor());
layout.FontDescription = FontService.SansFont.CopyModified(Styles.FontScale11);
}
layout.Width = (int)rectangle.Width;
cr.MoveTo(rectangle.X + (int)(rectangle.Width / 2), (rectangle.Height - h) / 2 - 1);
Pango.CairoHelper.ShowLayout(cr, layout);
}
protected void DrawBackground(Cairo.Context cr)
{
var totalRect = GetTotalBounds();
cr.SetSourceColor(BackgroundColor);
cr.Rectangle(totalRect.X, totalRect.Y, totalRect.Width, totalRect.Height);
cr.Fill();
cr.Save();
cr.Translate(XOffset, YOffset);
cr.Scale(Scale, Scale);
if (Surface != null)
{
cr.SetSource(Surface, 0, 0);
using (SurfacePattern pattern = (SurfacePattern)cr.GetSource()) {
pattern.Filter = Filter.Nearest;
}
cr.Paint();
}
else if (Image != null)
{
using (Surface source = new BitmapSurface(Image)) {
cr.SetSource(source, 0, 0);
using (SurfacePattern pattern = (SurfacePattern)cr.GetSource()) {
pattern.Filter = Filter.Nearest;
}
cr.Paint();
}
}
else
{
Cairo.Rectangle extents = cr.ClipExtents();
for (int i = 0; i < Width * Height; i++)
{
int tileX = i % Width;
int tileY = i / Width;
Cairo.Rectangle rect = GetTileRectWithPadding(tileX, tileY, scale: false, offset: false);
if (!CairoHelper.RectsOverlap(extents, rect))
{
continue;
}
cr.Save();
cr.Translate(rect.X + TilePaddingX, rect.Y + TilePaddingY);
cr.Rectangle(0, 0, TileWidth, TileHeight);
cr.Clip();
TileDrawer(i, cr);
cr.Restore();
}
}
cr.Restore(); // Undo scale, offset
}
public void clear(Context ctx)
{
foreach (Rectangle r in list)
ctx.Rectangle(r);
ctx.Operator = Operator.Clear;
ctx.Fill();
ctx.Operator = Operator.Over;
}
public override void Render(Node node, Context context)
{
BoxNode box = node as BoxNode;
LayoutOutline (node, context);
context.Color = box.Color.MultiplyAlpha (node.Opacity).ToCairo ();
context.Fill ();
}
public override void Render(Node node, Context context)
{
PolygonNode poly = node as PolygonNode;
LayoutOutline (poly, context);
context.Color = poly.Color.MultiplyAlpha (poly.Opacity).ToCairo ();
context.Fill ();
}
protected void OnRender(Context cr, int width, int height)
{
cr.Save();
cr.SetSourceRGBA(1, 0, 0, mTick*0.1);
cr.Rectangle(0, 0, width, height);
cr.Fill();
cr.Restore();
}
public static void DrawPoints(List<PointD> points,Context cr)
{
foreach (PointD p in points){
cr.MoveTo(p);
cr.SetSourceRGB (0.3, 0.3, 0.3);
cr.Arc (p.X, p.Y, 2, 0, 2 * Math.PI);
cr.Fill ();
}
}
protected override void ClippedRender (Context cr)
{
if (!color_set || ChangeOnRender) {
color = CairoExtensions.RgbToColor ((uint)rand.Next (0, 0xffffff));
color_set = true;
}
CairoExtensions.RoundedRectangle (cr, 0, 0, RenderSize.Width, RenderSize.Height, 5);
cr.SetSourceColor (color);
cr.Fill ();
}
public void clearAndClip(Context ctx)
{
if (list.Count == 0)
return;
foreach (Rectangle r in list)
ctx.Rectangle(r);
ctx.ClipPreserve();
ctx.Operator = Operator.Clear;
ctx.Fill();
ctx.Operator = Operator.Over;
}
/// <summary>
/// Erase the handle that was drawn in a previous call to Render ().
/// </summary>
public void Clear (Context g)
{
g.Save ();
var rect = GetHandleRect ().Inflate (2, 2);
using (var path = g.CreateRectanglePath (rect))
g.AppendPath (path);
g.Operator = Operator.Clear;
g.Fill ();
g.Restore ();
}
/// <summary>
/// Draws black in the areas outside the view.
/// Assumes that controlBounds is starting at (0, 0) in upper left corner.
/// </summary>
/// <param name="context">A context to perform drawing.</param>
/// <param name="controlBounds">Bounds of the control.</param>
/// <param name="view">The bounds of the view.</param>
public static void Draw(Context context, Rectangle controlBounds, Rectangle view)
{
context.Color = new Cairo.Color (0.0, 0.0, 0.0);
context.NewPath ();
context.Rectangle (0.0, 0.0, view.X, controlBounds.Height);
var wRight = controlBounds.Width - view.X - view.Width;
context.Rectangle (view.X + view.Width, 0.0, wRight, controlBounds.Height);
context.Rectangle (view.X, 0.0, view.Width, view.Y);
var hBottom = controlBounds.Height - view.Y - view.Height;
context.Rectangle (view.X, view.Y + view.Height, view.Width, hBottom);
context.Fill ();
}
protected override void onDraw(Context gr)
{
base.onDraw (gr);
Rectangle rBack = ClientRectangle;
rBack.Width = (int)((double)rBack.Width / Maximum * Value);
Foreground.SetAsSource (gr, rBack);
CairoHelpers.CairoRectangle(gr,rBack,CornerRadius);
gr.Fill();
}
public void draw(Context cr)
{
Triangle t = model.tri;
switch (model.alignment) {
case ActiveTriangle.TriangleAlignment.ChaoticEvil:
cr.SetSourceRGB (0.5, 0, 0);
break;
case ActiveTriangle.TriangleAlignment.TrueNeutral:
cr.SetSourceRGB (0, 0.8, 0);
break;
default:
cr.SetSourceRGB (1.0, 1.0, 0);
break;
}
cr.LineWidth = 1.1;
cr.MoveTo (t.a);
cr.LineTo (t.b);
cr.MoveTo (t.b);
cr.LineTo (t.c);
cr.MoveTo (t.c);
cr.LineTo (t.a);
cr.Stroke ();
cr.Fill();
Tuple<PointD,PointD,PointD,PointD> points;
points = model.getSharpestPointAndAssociatedMidpointAndDullestPoints ();
PointD sharpest = points.Item1;
PointD midPoint = points.Item2;
cr.SetSourceRGB (1.0, 0.3, 0.3);
cr.Arc (sharpest.X, sharpest.Y, 2, 0, 2 * Math.PI);
cr.Fill ();
cr.Arc (midPoint.X, midPoint.Y, 2, 0, 2 * Math.PI);
cr.Fill ();
}
private ImageSurface copySurfacePart(ImageSurface surf, Gdk.Rectangle dest_rect)
{
ImageSurface tmp_surface = new ImageSurface (Format.Argb32, dest_rect.Width, dest_rect.Height);
using (Context g = new Context (tmp_surface)) {
g.Operator = Operator.Source;
g.SetSourceSurface (surf, -dest_rect.Left, -dest_rect.Top);
g.Rectangle (new Rectangle (0, 0, dest_rect.Width, dest_rect.Height));
g.Fill ();
}
//Flush to make sure all drawing operations are finished
tmp_surface.Flush ();
return tmp_surface;
}
public void CreatePng ()
{
const int Width = 480;
const int Height = 160;
const int CheckSize = 10;
const int Spacing = 2;
// Create an Image-based surface with data stored in ARGB32 format and a context,
// "using" is used here to ensure that they are Disposed once we are done
using (ImageSurface surface = new ImageSurface (Format.ARGB32, Width, Height))
using (Context cr = new Cairo.Context (surface))
{
// Start drawing a checkerboard
int i, j, xcount, ycount;
xcount = 0;
i = Spacing;
while (i < Width) {
j = Spacing;
ycount = xcount % 2; // start with even/odd depending on row
while (j < Height) {
if (ycount % 2 != 0)
cr.SetSourceRGB (1, 0, 0);
else
cr.SetSourceRGB (1, 1, 1);
// If we're outside the clip, this will do nothing.
cr.Rectangle (i, j, CheckSize, CheckSize);
cr.Fill ();
j += CheckSize + Spacing;
++ycount;
}
i += CheckSize + Spacing;
++xcount;
}
// Select a font to draw with
cr.SelectFontFace ("serif", FontSlant.Normal, FontWeight.Bold);
cr.SetFontSize (64.0);
// Select a color (blue)
cr.SetSourceRGB (0, 0, 1);
// Draw
cr.MoveTo (20, 100);
cr.ShowText ("Hello, World");
surface.WriteToPng ("test.png");
}
}
protected void OnCustomWidgetChanged (Gtk.Widget widget)
{
OnCustomWidgetApply (widget);
using (ImageSurface surface = new ImageSurface (Format.ARGB32, 360, 254)) {
using (Context gr = new Context (surface)) {
gr.Color = new Color (1, 1, 1);
gr.Rectangle (0, 0, 360, 254);
gr.Fill ();
using (Gdk.Pixbuf pixbuf = Gdk.Pixbuf.LoadFromResource ("flower.png")) {
DrawImage (gr, pixbuf,0, 0, 360, 254);
}
}
(widget as CustomPrintWidget).PreviewImage.Pixbuf = CreatePixbuf (surface);
}
}
void Draw(Context cr, int width, int height)
{
double radius = 0.5 * Math.Min (width, height) - 10;
int xc = width / 2;
int yc = height / 2;
Surface overlay = cr.Target.CreateSimilar (Content.ColorAlpha, width, height);
Surface punch = cr.Target.CreateSimilar (Content.Alpha, width, height);
Surface circles = cr.Target.CreateSimilar (Content.ColorAlpha, width, height);
FillChecks (cr, 0, 0, width, height);
cr.Save ();
// Draw a black circle on the overlay
using (Context cr_overlay = new Context (overlay)) {
cr_overlay.Color = new Color (0.0, 0.0, 0.0);
OvalPath (cr_overlay, xc, yc, radius, radius);
cr_overlay.Fill ();
// Draw 3 circles to the punch surface, then cut
// that out of the main circle in the overlay
using (Context cr_tmp = new Context (punch))
Draw3Circles (cr_tmp, xc, yc, radius, 1.0);
cr_overlay.Operator = Operator.DestOut;
cr_overlay.SetSourceSurface (punch, 0, 0);
cr_overlay.Paint ();
// Now draw the 3 circles in a subgroup again
// at half intensity, and use OperatorAdd to join up
// without seams.
using (Context cr_circles = new Context (circles)) {
cr_circles.Operator = Operator.Over;
Draw3Circles (cr_circles, xc, yc, radius, 0.5);
}
cr_overlay.Operator = Operator.Add;
cr_overlay.SetSourceSurface (circles, 0, 0);
cr_overlay.Paint ();
}
cr.SetSourceSurface (overlay, 0, 0);
cr.Paint ();
overlay.Destroy ();
punch.Destroy ();
circles.Destroy ();
}
public static void DrawVertexStructure(VertexStructure vs, Context cr)
{
VertexStructure head = vs;
int i = 0;
do {
cr.MoveTo (vs.v);
cr.SetSourceRGB (0, 0, 0.8);
cr.Arc (vs.v.X, vs.v.Y, 2, 0, 2 * Math.PI);
cr.Fill ();
cr.LineWidth = 1;
cr.MoveTo (vs.v);
cr.LineTo(vs.next.v);
cr.Stroke();
vs = vs.next;
//Logger.Log("Meh..." + i);
i++;
} while(!ReferenceEquals(vs,head));
}