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 void IntersectClip(RectangleD newClip)
{
cairoContext.Rectangle(newClip.X * drawingScaleX,
newClip.Y * drawingScaleY,
newClip.Width * drawingScaleX,
newClip.Height * drawingScaleY);
cairoContext.Clip();
}
protected override void DrawBackground (Context context, Gdk.Rectangle region)
{
LayoutRoundedRectangle (context, region);
context.Clip ();
context.SetSourceColor (CairoExtensions.ParseColor ("D3E6FF"));
context.Paint ();
context.Save ();
context.Translate (region.X + region.Width / 2.0, region.Y + region.Height);
using (var rg = new RadialGradient (0, 0, 0, 0, 0, region.Height * 1.2)) {
var color = CairoExtensions.ParseColor ("E5F0FF");
rg.AddColorStop (0, color);
color.A = 0;
rg.AddColorStop (1, color);
context.Scale (region.Width / (double)region.Height, 1.0);
context.SetSource (rg);
context.Paint ();
}
context.Restore ();
LayoutRoundedRectangle (context, region, -3, -3, 2);
context.SetSourceRGBA (1, 1, 1, 0.4);
context.LineWidth = 1;
context.StrokePreserve ();
context.Clip ();
int boxSize = 11;
int x = region.Left + (region.Width % boxSize) / 2;
for (; x < region.Right; x += boxSize) {
context.MoveTo (x + 0.5, region.Top);
context.LineTo (x + 0.5, region.Bottom);
}
int y = region.Top + (region.Height % boxSize) / 2;
y += boxSize / 2;
for (; y < region.Bottom; y += boxSize) {
context.MoveTo (region.Left, y + 0.5);
context.LineTo (region.Right, y + 0.5);
}
context.SetSourceRGBA (1, 1, 1, 0.2);
context.Stroke ();
context.ResetClip ();
}
protected unsafe override void OnFillRegionComputed(Point[][] polygonSet)
{
SimpleHistoryItem hist = new SimpleHistoryItem (Icon, Name);
hist.TakeSnapshotOfLayer (PintaCore.Layers.CurrentLayer);
PintaCore.Layers.ToolLayer.Clear ();
ImageSurface surface = PintaCore.Layers.ToolLayer.Surface;
ColorBgra* surf_data_ptr = (ColorBgra*)surface.DataPtr;
int surf_width = surface.Width;
for (int x = 0; x < stencil.Width; x++)
for (int y = 0; y < stencil.Height; y++)
if (stencil.GetUnchecked (x, y))
surface.SetPixel (surf_data_ptr, surf_width, x, y, fill_color);
using (Context g = new Context (PintaCore.Layers.CurrentLayer.Surface)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = Antialias.Subpixel;
g.SetSource (surface);
g.Paint ();
}
PintaCore.History.PushNewItem (hist);
PintaCore.Workspace.Invalidate ();
}
public void clip(Context ctx)
{
foreach (Rectangle r in list)
ctx.Rectangle(r);
ctx.Clip();
}
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;
}
}
void DrawString(string text, bool isMarkup, Cairo.Context context, int x, int y, int width, double opacity, Pango.Context pango, StatusArea.RenderArg arg)
{
Pango.Layout pl = new Pango.Layout(pango);
if (isMarkup)
{
pl.SetMarkup(text);
}
else
{
pl.SetText(text);
}
pl.FontDescription = Styles.StatusFont;
pl.FontDescription.AbsoluteSize = Pango.Units.FromPixels(Styles.StatusFontPixelHeight);
pl.Ellipsize = Pango.EllipsizeMode.End;
pl.Width = Pango.Units.FromPixels(width);
int w, h;
pl.GetPixelSize(out w, out h);
context.Save();
// use widget height instead of message box height as message box does not have a true height when no widgets are packed in it
// also ensures animations work properly instead of getting clipped
context.Rectangle(new Rectangle(x, arg.Allocation.Y, width, arg.Allocation.Height));
context.Clip();
// Subtract off remainder instead of drop to prefer higher centering when centering an odd number of pixels
context.MoveTo(x, y - h / 2 - (h % 2));
context.Color = Styles.WithAlpha(FontColor(), opacity);
Pango.CairoHelper.ShowLayout(context, pl);
pl.Dispose();
context.Restore();
}
public void Draw(ImageSurface dst)
{
if (disposed)
{
throw new ObjectDisposedException("PlacedSurface");
}
using (Cairo.Context g = new Cairo.Context(dst)) {
g.Save();
Rectangle r = what.GetBounds().ToCairoRectangle();
// We need to use the source operator to fully replace the old
// data. Or else we may paint transparent on top of it and
// it will still be visible. [Bug #670411]
using (Path p = g.CreateRectanglePath(new Rectangle(where.X, where.Y, r.Width, r.Height))) {
g.AppendPath(p);
g.Clip();
g.Operator = Operator.Source;
g.DrawPixbuf(what.ToPixbuf(), new Cairo.Point(where.X, where.Y));
}
g.Restore();
}
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
bool idle = incoming_track == null && current_track == null;
if (!Visible || !IsMapped || (idle && !CanRenderIdle))
{
return(true);
}
Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window);
foreach (Gdk.Rectangle damage in evnt.Region.GetRectangles())
{
cr.Rectangle(damage.X, damage.Y, damage.Width, damage.Height);
cr.Clip();
if (idle)
{
RenderIdle(cr);
}
else
{
RenderAnimation(cr);
}
cr.ResetClip();
}
CairoExtensions.DisposeContext(cr);
return(true);
}
protected override bool OnExposeEvent(EventExpose ev)
{
if (!IsRealized)
{
return(false);
}
Cairo.Context cr = CairoHelper.Create(GdkWindow);
Gdk.Rectangle rect = ev.Area;
cr.Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
cr.Clip();
paper.Draw(cr, rect);
drawStrokes(cr, rect);
// Uncomment this to see the clipping region
/* cr.Color = new Cairo.Color(0.0,1.0,0.0,0.5);
* cr.Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
* cr.Stroke();*/
((IDisposable)cr).Dispose();
return(true);
}
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 static void RenderTiled(this Cairo.Context self, Gdk.Pixbuf source, Gdk.Rectangle area, Gdk.Rectangle clip, double opacity = 1)
{
Gdk.CairoHelper.SetSourcePixbuf(self, source, area.X, area.Y);
cairo_pattern_set_extend(self.Pattern.Pointer, CairoExtend.CAIRO_EXTEND_REPEAT);
self.Rectangle(clip.ToCairoRect());
self.Clip();
self.PaintWithAlpha(opacity);
self.ResetClip();
}
protected override void OnStartTransform()
{
base.OnStartTransform();
Document doc = PintaCore.Workspace.ActiveDocument;
// If there is no selection, select the whole image.
if (doc.Selection.SelectionPolygons.Count == 0)
{
doc.Selection.CreateRectangleSelection(
new Cairo.Rectangle(0, 0, doc.ImageSize.Width, doc.ImageSize.Height));
}
original_selection = doc.Selection.Clone();
original_transform.InitMatrix(doc.SelectionLayer.Transform);
hist = new MovePixelsHistoryItem(Icon, Name, doc);
hist.TakeSnapshot(!doc.ShowSelectionLayer);
if (!doc.ShowSelectionLayer)
{
// Copy the selection to the temp layer
doc.CreateSelectionLayer();
doc.ShowSelectionLayer = true;
//Use same BlendMode, Opacity and Visibility for SelectionLayer
doc.SelectionLayer.BlendMode = doc.CurrentUserLayer.BlendMode;
doc.SelectionLayer.Opacity = doc.CurrentUserLayer.Opacity;
doc.SelectionLayer.Hidden = doc.CurrentUserLayer.Hidden;
using (Cairo.Context g = new Cairo.Context(doc.SelectionLayer.Surface)) {
g.AppendPath(doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.SetSource(doc.CurrentUserLayer.Surface);
g.Clip();
g.Paint();
}
Cairo.ImageSurface surf = doc.CurrentUserLayer.Surface;
using (Cairo.Context g = new Cairo.Context(surf)) {
g.AppendPath(doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
if (is_alt_pressed)
{
g.Operator = Cairo.Operator.Clear;
}
else
{
g.Operator = Operator.Source;
g.SetSourceColor(PintaCore.Palette.SecondaryColor);
}
g.Fill();
}
}
PintaCore.Workspace.Invalidate();
}
void DrawBuildEffect(Cairo.Context context, Gdk.Rectangle area, double progress, double opacity)
{
context.Save();
LayoutRoundedRectangle(context, area);
context.Clip();
Gdk.Point center = new Gdk.Point(area.Left + 19, (area.Top + area.Bottom) / 2);
context.Translate(center.X, center.Y);
var circles = new [] {
new { Radius = 200, Thickness = 12, Speed = 1, ArcLength = Math.PI * 1.50 },
new { Radius = 195, Thickness = 15, Speed = 2, ArcLength = Math.PI * 0.50 },
new { Radius = 160, Thickness = 17, Speed = 3, ArcLength = Math.PI * 0.75 },
new { Radius = 200, Thickness = 15, Speed = 2, ArcLength = Math.PI * 0.25 },
new { Radius = 240, Thickness = 12, Speed = 3, ArcLength = Math.PI * 1.50 },
new { Radius = 160, Thickness = 17, Speed = 3, ArcLength = Math.PI * 0.75 },
new { Radius = 200, Thickness = 15, Speed = 2, ArcLength = Math.PI * 0.25 },
new { Radius = 215, Thickness = 20, Speed = 2, ArcLength = Math.PI * 1.25 }
};
double zmod = 1.0d;
double zporg = progress;
foreach (var arc in circles)
{
double zoom = 1.0d;
zoom = (double)Math.Sin(zporg * Math.PI * 2 + zmod);
zoom = ((zoom + 1) / 6.0d) + .05d;
context.Rotate(Math.PI * 2 * progress * arc.Speed);
context.MoveTo(arc.Radius * zoom, 0);
context.Arc(0, 0, arc.Radius * zoom, 0, arc.ArcLength);
context.LineWidth = arc.Thickness * zoom;
context.SetSourceColor(CairoExtensions.ParseColor("B1DDED", 0.35 * opacity));
context.Stroke();
context.Rotate(Math.PI * 2 * -progress * arc.Speed);
progress = -progress;
context.Rotate(Math.PI * 2 * progress * arc.Speed);
context.MoveTo(arc.Radius * zoom, 0);
context.Arc(0, 0, arc.Radius * zoom, 0, arc.ArcLength);
context.LineWidth = arc.Thickness * zoom;
context.Stroke();
context.Rotate(Math.PI * 2 * -progress * arc.Speed);
progress = -progress;
zmod += (float)Math.PI / circles.Length;
}
context.LineWidth = 1;
context.ResetClip();
context.Restore();
}
public static void RenderTiled(this Cairo.Context self, Gdk.Pixbuf source, Gdk.Rectangle area, Gdk.Rectangle clip, double opacity = 1)
{
Gdk.CairoHelper.SetSourcePixbuf(self, source, area.X, area.Y);
//NOTE: Mono.Cairo.Context.Pattern returns an object than cannot be safely disposed, so P/Invoke directly
var pattern = cairo_get_source(self.Handle);
cairo_pattern_set_extend(pattern, CairoExtend.CAIRO_EXTEND_REPEAT);
self.Rectangle(clip.ToCairoRect());
self.Clip();
self.PaintWithAlpha(opacity);
self.ResetClip();
}
public ImageSurface GetClippedLayer(int index)
{
Cairo.ImageSurface surf = new Cairo.ImageSurface(Cairo.Format.Argb32, ImageSize.Width, ImageSize.Height);
using (Cairo.Context g = new Cairo.Context(surf)) {
g.AppendPath(Selection.SelectionPath);
g.Clip();
g.SetSource(UserLayers[index].Surface);
g.Paint();
}
return(surf);
}
void DrawProgressBar(Cairo.Context context, double progress, Gdk.Rectangle bounding, StatusArea.RenderArg arg)
{
LayoutRoundedRectangle(context, new Gdk.Rectangle(bounding.X, bounding.Y, (int)(bounding.Width * progress), bounding.Height), 0, 0, 1);
context.Clip();
LayoutRoundedRectangle(context, bounding, 0, 0, 1);
context.SetSourceColor(Styles.WithAlpha(Styles.StatusBarProgressBackgroundColor, Styles.StatusBarProgressBackgroundColor.A * arg.ProgressBarAlpha));
context.FillPreserve();
context.ResetClip();
context.SetSourceColor(Styles.WithAlpha(Styles.StatusBarProgressOutlineColor, Styles.StatusBarProgressOutlineColor.A * arg.ProgressBarAlpha));
context.LineWidth = 1;
context.Stroke();
}
protected override void OnStartTransform()
{
base.OnStartTransform();
Document doc = PintaCore.Workspace.ActiveDocument;
// If there is no selection, select the whole image.
if (doc.Selection.SelectionPolygons.Count == 0)
{
doc.Selection.CreateRectangleSelection(
doc.SelectionLayer.Surface, new Cairo.Rectangle(0, 0, doc.ImageSize.Width, doc.ImageSize.Height));
}
original_selection = new List <List <IntPoint> > (doc.Selection.SelectionPolygons);
original_transform.InitMatrix(doc.SelectionLayer.Transform);
hist = new MovePixelsHistoryItem(Icon, Name, doc);
hist.TakeSnapshot(!doc.ShowSelectionLayer);
if (!doc.ShowSelectionLayer)
{
// Copy the selection to the temp layer
doc.CreateSelectionLayer();
doc.ShowSelectionLayer = true;
using (Cairo.Context g = new Cairo.Context(doc.SelectionLayer.Surface)) {
g.AppendPath(doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.SetSource(doc.CurrentUserLayer.Surface);
g.Clip();
g.Paint();
}
Cairo.ImageSurface surf = doc.CurrentUserLayer.Surface;
using (Cairo.Context g = new Cairo.Context(surf)) {
g.AppendPath(doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Operator = Cairo.Operator.Clear;
g.Fill();
}
}
PintaCore.Workspace.Invalidate();
}
static void draw(Cairo.Context gr, int width, int height)
{
gr.Scale(width, height);
gr.LineWidth = 0.04;
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();
}
protected override Rectangle DrawShape(Rectangle rect, Layer l)
{
Document doc = PintaCore.Workspace.ActiveDocument;
Rectangle dirty;
using (Context g = new Context (l.Surface)) {
g.AppendPath (doc.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = UseAntialiasing ? Antialias.Subpixel : Antialias.None;
dirty = g.DrawLine (shape_origin, current_point , outline_color, BrushWidth);
}
return dirty;
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
if (!IsRealized)
{
return(false);
}
Cairo.Context cr = Gdk.CairoHelper.Create(GdkWindow);
foreach (Gdk.Rectangle rect in evnt.Region.GetRectangles())
{
cr.Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
cr.Clip();
Draw(cr);
}
((IDisposable)cr).Dispose();
return(false);
}
protected override void OnMouseDown(Gtk.DrawingArea canvas, Gtk.ButtonPressEventArgs args, Cairo.PointD point)
{
// If we are already drawing, ignore any additional mouse down events
if (is_dragging)
{
return;
}
Document doc = PintaCore.Workspace.ActiveDocument;
origin_offset = point;
is_dragging = true;
hist = new MovePixelsHistoryItem(Icon, Name, doc);
hist.TakeSnapshot(!doc.ShowSelectionLayer);
if (!doc.ShowSelectionLayer)
{
// Copy the selection to the temp layer
doc.CreateSelectionLayer();
doc.ShowSelectionLayer = true;
using (Cairo.Context g = new Cairo.Context(doc.SelectionLayer.Surface)) {
g.AppendPath(doc.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.SetSource(doc.CurrentLayer.Surface);
g.Clip();
g.Paint();
}
Cairo.ImageSurface surf = doc.CurrentLayer.Surface;
using (Cairo.Context g = new Cairo.Context(surf)) {
g.AppendPath(doc.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Operator = Cairo.Operator.Clear;
g.Fill();
}
}
canvas.GdkWindow.Invalidate();
}
protected override bool OnExposeEvent(Gdk.EventExpose ee)
{
// get dimensions
int width = this.Allocation.Width;
int height = this.Allocation.Height;
double centerx = (double)width / 2.0;
double centery = (double)height / 2.0;
// init cairo or die.
Cairo.Context gc = Gdk.CairoHelper.Create(this.GdkWindow);
// paint widget background
gc.Rectangle(0, 0, width, height);
gc.Color = background;
gc.FillPreserve();
gc.Clip();
gc.NewPath();
gc.Save();
gc.Matrix = transformMatrix;
// draw the graphics.
if (render != null)
{
render(gc);
}
gc.Restore();
if (overlay != null)
{
overlay(gc);
}
PaintZoomScale(gc, width, height, centerx, centery);
PaintMotionIndicators(gc, width, height, centerx, centery);
((IDisposable)gc.Target).Dispose();
((IDisposable)gc).Dispose();
return(true);
}
protected override Rectangle DrawShape(Rectangle rect, Layer l)
{
Rectangle dirty;
using (Context g = new Context (l.Surface)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = Antialias.Subpixel;
if (FillShape && StrokeShape)
dirty = g.FillStrokedRectangle (rect, fill_color, outline_color, BrushWidth);
else if (FillShape)
dirty = g.FillRectangle (rect, outline_color);
else
dirty = g.DrawRectangle (rect, outline_color, BrushWidth);
}
return dirty;
}
private static void Draw(LayoutGroup group, Cairo.Context context, bool needClip)
{
if (needClip)
{
var rect = group.Rect;
var style = group.Style;
context.Rectangle(rect.X + style.PaddingLeft + style.BorderLeft, rect.Y + style.PaddingTop + style.BorderTop,
rect.Width - style.PaddingHorizontal - style.BorderHorizontal, rect.Height - style.PaddingVertical - style.BorderVertical);
//context.StrokePreserve();
context.Clip();
}
foreach (var entry in @group.Entries)
{
if (entry.HorizontallyStretched || entry.VerticallyStretched)
{
context.FillRectangle(entry.Rect, CairoEx.ColorLightBlue);
}
else if (entry.IsFixedWidth || entry.IsFixedHeight)
{
context.FillRectangle(entry.Rect, CairoEx.ColorOrange);
}
else
{
context.FillRectangle(entry.Rect, CairoEx.ColorPink);
}
context.StrokeRectangle(entry.Rect, CairoEx.ColorBlack);
var innerGroup = entry as LayoutGroup;
if (innerGroup != null)
{
context.Save();
Draw(innerGroup, context, needClip);
context.Restore();
}
}
if (needClip)
{
context.ResetClip();
}
}
void DrawErrorAnimation(Cairo.Context context, StatusArea.RenderArg arg)
{
const int surfaceWidth = 2000;
double opacity;
int progress;
if (arg.ErrorAnimationProgress < .5f)
{
progress = (int)(arg.ErrorAnimationProgress * arg.Allocation.Width * 2.4);
opacity = 1.0d;
}
else
{
progress = (int)(arg.ErrorAnimationProgress * arg.Allocation.Width * 2.4);
opacity = 1.0d - (arg.ErrorAnimationProgress - .5d) * 2;
}
LayoutRoundedRectangle(context, arg.Allocation);
context.Clip();
context.CachedDraw(surface: ref errorSurface,
position: new Gdk.Point(arg.Allocation.X - surfaceWidth + progress, arg.Allocation.Y),
size: new Gdk.Size(surfaceWidth, arg.Allocation.Height),
opacity: (float)opacity,
draw: (c, o) => {
// The smaller the pixel range of our gradient the less error there will be in it.
using (var lg = new LinearGradient(surfaceWidth - 250, 0, surfaceWidth, 0)) {
lg.AddColorStop(0.00, Styles.WithAlpha(Styles.StatusBarErrorColor, 0.15 * o));
lg.AddColorStop(0.10, Styles.WithAlpha(Styles.StatusBarErrorColor, 0.15 * o));
lg.AddColorStop(0.88, Styles.WithAlpha(Styles.StatusBarErrorColor, 0.30 * o));
lg.AddColorStop(1.00, Styles.WithAlpha(Styles.StatusBarErrorColor, 0.00 * o));
c.SetSource(lg);
c.Paint();
}
});
context.ResetClip();
}
protected override Rectangle DrawShape(Rectangle rect, Layer l)
{
Document doc = PintaCore.Workspace.ActiveDocument;
Rectangle dirty;
using (Context g = new Context (l.Surface)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = UseAntialiasing ? Antialias.Subpixel : Antialias.None;
if (FillShape && StrokeShape)
dirty = g.FillStrokedRectangle (rect, fill_color, outline_color, BrushWidth);
else if (FillShape)
dirty = g.FillRectangle (rect, outline_color);
else
dirty = g.DrawRectangle (rect, outline_color, BrushWidth);
}
return dirty;
}
protected unsafe override void OnFillRegionComputed(Point[][] polygonSet)
{
SimpleHistoryItem hist = new SimpleHistoryItem (Icon, Name);
hist.TakeSnapshotOfLayer (PintaCore.Layers.CurrentLayer);
using (Context g = new Context (PintaCore.Layers.CurrentLayer.Surface)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
// Reset FillRule to the default
g.FillRule = FillRule.Winding;
g.AppendPath (g.CreatePolygonPath (polygonSet));
g.Antialias = Antialias.Subpixel;
g.Color = fill_color;
g.Fill ();
}
PintaCore.History.PushNewItem (hist);
PintaCore.Workspace.Invalidate ();
}
public ImageSurface GetClippedLayer(int index)
{
Cairo.ImageSurface surf = new Cairo.ImageSurface (Cairo.Format.Argb32, ImageSize.Width, ImageSize.Height);
using (Cairo.Context g = new Cairo.Context (surf)) {
g.AppendPath (SelectionPath);
g.Clip ();
g.SetSource (Layers[index].Surface);
g.Paint ();
}
return surf;
}
void Draw(Cairo.Context ctx)
{
int tabArea = tabEndX - tabStartX;
int x = GetRenderOffset();
int y = 0;
int n = 0;
Action <Cairo.Context> drawActive = c => {};
List <Action <Cairo.Context> > drawCommands = new List <Action <Context> > ();
for (; n < notebook.Tabs.Count; n++)
{
if (x + TabWidth < tabStartX)
{
x += TabWidth;
continue;
}
if (x > tabEndX)
{
break;
}
int closingWidth;
var cmd = DrawClosingTab(n, new Gdk.Rectangle(x, y, 0, Allocation.Height), out closingWidth);
drawCommands.Add(cmd);
x += closingWidth;
var tab = (DockNotebookTab)notebook.Tabs [n];
bool active = tab == notebook.CurrentTab;
int width = Math.Min(TabWidth, Math.Max(50, tabEndX - x - 1));
if (tab == notebook.Tabs.Last())
{
width += LastTabWidthAdjustment;
}
width = (int)(width * tab.WidthModifier);
if (active)
{
int tmp = x;
drawActive = c => DrawTab(c, tab, Allocation, new Gdk.Rectangle(tmp, y, width, Allocation.Height), true, true, draggingTab, CreateTabLayout(tab));
tab.Allocation = new Gdk.Rectangle(tmp, Allocation.Y, width, Allocation.Height);
}
else
{
int tmp = x;
bool highlighted = tab == highlightedTab;
if (tab.SaveStrength > 0.0f)
{
tmp = (int)(tab.SavedAllocation.X + (tmp - tab.SavedAllocation.X) * (1.0f - tab.SaveStrength));
}
drawCommands.Add(c => DrawTab(c, tab, Allocation, new Gdk.Rectangle(tmp, y, width, Allocation.Height), highlighted, false, false, CreateTabLayout(tab)));
tab.Allocation = new Gdk.Rectangle(tmp, Allocation.Y, width, Allocation.Height);
}
x += width;
}
Gdk.Rectangle allocation = Allocation;
int tabWidth;
drawCommands.Add(DrawClosingTab(n, new Gdk.Rectangle(x, y, 0, allocation.Height), out tabWidth));
drawCommands.Reverse();
DrawBackground(ctx, allocation);
// Draw breadcrumb bar header
if (notebook.Tabs.Count > 0)
{
ctx.Rectangle(0, allocation.Height - BottomBarPadding, allocation.Width, BottomBarPadding);
ctx.Color = Styles.BreadcrumbBackgroundColor;
ctx.Fill();
}
ctx.Rectangle(tabStartX - LeanWidth / 2, allocation.Y, tabArea + LeanWidth, allocation.Height);
ctx.Clip();
foreach (var cmd in drawCommands)
{
cmd(ctx);
}
ctx.ResetClip();
// Redraw the dragging tab here to be sure its on top. We drew it before to get the sizing correct, this should be fixed.
drawActive(ctx);
}
void Draw(Cairo.Context ctx, List <TableRow> rowList, int dividerX, int x, ref int y)
{
if (!heightMeasured)
{
return;
}
Pango.Layout layout = new Pango.Layout(PangoContext);
TableRow lastCategory = null;
foreach (var r in rowList)
{
int w, h;
layout.SetText(r.Label);
layout.GetPixelSize(out w, out h);
int indent = 0;
if (r.IsCategory)
{
var rh = h + CategoryTopBottomPadding * 2;
ctx.Rectangle(0, y, Allocation.Width, rh);
using (var gr = new LinearGradient(0, y, 0, rh)) {
gr.AddColorStop(0, new Cairo.Color(248d / 255d, 248d / 255d, 248d / 255d));
gr.AddColorStop(1, new Cairo.Color(240d / 255d, 240d / 255d, 240d / 255d));
ctx.SetSource(gr);
ctx.Fill();
}
if (lastCategory == null || lastCategory.Expanded || lastCategory.AnimatingExpand)
{
ctx.MoveTo(0, y + 0.5);
ctx.LineTo(Allocation.Width, y + 0.5);
}
ctx.MoveTo(0, y + rh - 0.5);
ctx.LineTo(Allocation.Width, y + rh - 0.5);
ctx.SetSourceColor(DividerColor);
ctx.Stroke();
ctx.MoveTo(x, y + CategoryTopBottomPadding);
ctx.SetSourceColor(CategoryLabelColor);
Pango.CairoHelper.ShowLayout(ctx, layout);
var img = r.Expanded ? discloseUp : discloseDown;
CairoHelper.SetSourcePixbuf(ctx, img, Allocation.Width - img.Width - CategoryTopBottomPadding, y + (rh - img.Height) / 2);
ctx.Paint();
y += rh;
lastCategory = r;
}
else
{
var cell = GetCell(r);
r.Enabled = !r.Property.IsReadOnly || cell.EditsReadOnlyObject;
var state = r.Enabled ? State : Gtk.StateType.Insensitive;
ctx.Save();
ctx.Rectangle(0, y, dividerX, h + PropertyTopBottomPadding * 2);
ctx.Clip();
ctx.MoveTo(x, y + PropertyTopBottomPadding);
ctx.SetSourceColor(Style.Text(state).ToCairoColor());
Pango.CairoHelper.ShowLayout(ctx, layout);
ctx.Restore();
if (r != currentEditorRow)
{
cell.Render(GdkWindow, ctx, r.EditorBounds, state);
}
y += r.EditorBounds.Height;
indent = PropertyIndent;
}
if (r.ChildRows != null && r.ChildRows.Count > 0 && (r.Expanded || r.AnimatingExpand))
{
int py = y;
ctx.Save();
if (r.AnimatingExpand)
{
ctx.Rectangle(0, y, Allocation.Width, r.AnimationHeight);
}
else
{
ctx.Rectangle(0, 0, Allocation.Width, Allocation.Height);
}
ctx.Clip();
Draw(ctx, r.ChildRows, dividerX, x + indent, ref y);
ctx.Restore();
if (r.AnimatingExpand)
{
y = py + r.AnimationHeight;
// Repaing the background because the cairo clip doesn't work for gdk primitives
int dx = (int)((double)Allocation.Width * dividerPosition);
ctx.Rectangle(0, y, dx, Allocation.Height - y);
ctx.SetSourceColor(LabelBackgroundColor);
ctx.Fill();
ctx.Rectangle(dx + 1, y, Allocation.Width - dx - 1, Allocation.Height - y);
ctx.SetSourceRGB(1, 1, 1);
ctx.Fill();
}
}
}
}
public void xxx_clip_rectangle(Context cr, int width, int height)
{
Normalize (cr, width, height);
cr.NewPath();
cr.MoveTo(.25, .25);
cr.LineTo(.25, .75);
cr.LineTo(.75, .75);
cr.LineTo(.75, .25);
cr.LineTo(.25, .25);
cr.ClosePath();
cr.Clip();
cr.MoveTo(0, 0);
cr.LineTo(1, 1);
cr.Stroke();
}
protected override void OnMouseMove(object o, Gtk.MotionNotifyEventArgs args, Cairo.PointD point)
{
if (mouse_button <= 0) {
last_point = point_empty;
return;
}
DrawingArea drawingarea1 = (DrawingArea)o;
int x = (int)point.X;
int y = (int)point.Y;
if (last_point.Equals (point_empty))
last_point = new Point (x, y);
if (PintaCore.Workspace.PointInCanvas (point))
surface_modified = true;
ImageSurface surf = PintaCore.Layers.CurrentLayer.Surface;
using (Context g = new Context (surf)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = Antialias.Subpixel;
g.MoveTo (last_point.X, last_point.Y);
g.LineTo (x, y);
g.Operator = Operator.Clear;
g.LineWidth = BrushWidth;
g.LineJoin = LineJoin.Round;
g.LineCap = LineCap.Round;
g.Stroke ();
}
Gdk.Rectangle r = GetRectangleFromPoints (last_point, new Point (x, y));
PintaCore.Workspace.Invalidate (r);
last_point = new Point (x, y);
}
public void Clip(Context g)
{
g.AppendPath (selection_path);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
}
public void clip(Context cr, int width, int height)
{
Normalize (cr, width, height);
cr.Arc(0.5, 0.5, 0.3, 0, 2 * Math.PI);
cr.Clip();
cr.NewPath(); // current path is not consumed by cairo_clip()
cr.Rectangle(0, 0, 1, 1);
cr.Fill();
cr.Color = new Color (0, 1, 0);
cr.MoveTo(0, 0);
cr.LineTo(1, 1);
cr.MoveTo(1, 0);
cr.LineTo(0, 1);
cr.Stroke();
}
protected override void onDraw(Context gr)
{
Rectangle rBack = new Rectangle (Slot.Size);
Background.SetAsSource (gr, rBack);
CairoHelpers.CairoRectangle(gr,rBack, CornerRadius);
gr.Fill ();
gr.Save ();
if (ClipToClientRect) {
//clip to scrolled client zone
CairoHelpers.CairoRectangle (gr, ClientRectangle, CornerRadius);
gr.Clip ();
}
gr.Translate (-ScrollX, -ScrollY);
if (child != null)
child.Paint (ref gr);
gr.Restore ();
}
protected override void OnMouseMove(object o, Gtk.MotionNotifyEventArgs args, Cairo.PointD point)
{
Color tool_color;
if ((args.Event.State & Gdk.ModifierType.Button1Mask) == Gdk.ModifierType.Button1Mask)
tool_color = PintaCore.Palette.PrimaryColor;
else if ((args.Event.State & Gdk.ModifierType.Button3Mask) == Gdk.ModifierType.Button3Mask)
tool_color = PintaCore.Palette.SecondaryColor;
else {
last_point = point_empty;
return;
}
DrawingArea drawingarea1 = (DrawingArea)o;
int x = (int)point.X;
int y = (int)point.Y;
if (last_point.Equals (point_empty)) {
last_point = new Point (x, y);
return;
}
if (PintaCore.Workspace.PointInCanvas (point))
surface_modified = true;
ImageSurface surf = PintaCore.Layers.CurrentLayer.Surface;
using (Context g = new Context (surf)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = Antialias.None;
g.MoveTo (last_point.X, last_point.Y);
g.LineTo (x, y);
g.Color = tool_color;
g.LineWidth = 1;
g.LineCap = LineCap.Square;
g.Stroke ();
}
Gdk.Rectangle r = GetRectangleFromPoints (last_point, new Point (x, y));
PintaCore.Workspace.Invalidate (r);
last_point = new Point (x, y);
}
public static SurfacePattern CreateVisualBrush(VisualBrush brush, Size targetSize)
{
var visual = brush.Visual;
if (visual == null)
{
return null;
}
var layoutable = visual as ILayoutable;
if (layoutable?.IsArrangeValid == false)
{
layoutable.Measure(Size.Infinity);
layoutable.Arrange(new Rect(layoutable.DesiredSize));
}
// 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 tileMode = brush.TileMode;
var sourceRect = brush.SourceRect.ToPixels(layoutable.Bounds.Size);
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);
using (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);
var renderer = new Renderer(intermediate);
context.Rectangle(drawRect.ToCairo());
context.Clip();
context.Transform(transform.ToCairo());
renderer.Render(visual, new PlatformHandle(IntPtr.Zero, "RTB"), transform, drawRect);
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;
}
}
void InternalDraw(int markerStart, int markerEnd, MonoTextEditor editor, Cairo.Context cr, LineMetrics metrics, bool selected, int startOffset, int endOffset, double y, double startXPos, double endXPos)
{
if (markerStart >= markerEnd)
{
return;
}
var layout = metrics.Layout.Layout;
double @from;
double to;
if (markerStart < startOffset && endOffset < markerEnd)
{
@from = startXPos;
to = endXPos;
}
else
{
int start = Math.Max(startOffset, markerStart);
int end = Math.Min(endOffset, markerEnd);
int /*lineNr,*/ x_pos;
uint curIndex = 0;
uint byteIndex = 0;
var textLength = metrics.Layout.Text.Length;
if (textLength > 0)
{
uint idx = (uint)Math.Min(Math.Max(0, start - startOffset), textLength - 1);
metrics.Layout.TranslateToUTF8Index(idx, ref curIndex, ref byteIndex);
x_pos = layout.IndexToPos(System.Math.Max(0, (int)byteIndex)).X;
@from = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
idx = (uint)Math.Min(Math.Max(0, end - startOffset), textLength - 1);
metrics.Layout.TranslateToUTF8Index(idx, ref curIndex, ref byteIndex);
x_pos = layout.IndexToPos(System.Math.Max(0, (int)byteIndex)).X;
to = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
}
else
{
@from = startXPos;
to = startXPos + editor.TextViewMargin.CharWidth;
}
var line = editor.GetLineByOffset(endOffset);
if (markerEnd > endOffset || @from == to)
{
to += editor.TextViewMargin.CharWidth;
if (@from >= to)
{
@from = to - editor.TextViewMargin.CharWidth;
}
}
}
@from = System.Math.Max(@from, editor.TextViewMargin.XOffset);
to = System.Math.Max(to, editor.TextViewMargin.XOffset);
if (Length == 0)
{
to += editor.TextViewMargin.charWidth;
}
if (@from >= to)
{
return;
}
double height = editor.LineHeight / 5;
if (string.IsNullOrEmpty(ColorName))
{
cr.SetSourceColor(Color);
}
else
{
HslColor color;
editor.EditorTheme.TryGetColor(ColorName, out color);
cr.SetSourceColor(color);
}
cr.LineWidth = editor.Options.Zoom;
switch (Effect)
{
case MonoDevelop.Ide.Editor.TextSegmentMarkerEffect.WavedLine:
cr.Rectangle(@from, 0, to - @from, editor.Allocation.Height);
cr.Clip();
Pango.CairoHelper.ShowErrorUnderline(cr, metrics.TextRenderStartPosition, y + editor.LineHeight - height, editor.Allocation.Width, height);
cr.ResetClip();
break;
case MonoDevelop.Ide.Editor.TextSegmentMarkerEffect.DottedLine:
cr.Save();
cr.MoveTo(@from, y + editor.LineHeight - editor.Options.Zoom - 0.5);
cr.LineTo(to, y + editor.LineHeight - editor.Options.Zoom - 0.5);
cr.SetDash(new double [] { 2 * editor.Options.Zoom, 2 * editor.Options.Zoom }, 0);
cr.Stroke();
cr.Restore();
break;
case MonoDevelop.Ide.Editor.TextSegmentMarkerEffect.Underline:
cr.MoveTo(@from, y + editor.LineHeight - editor.Options.Zoom - 0.5);
cr.LineTo(to, y + editor.LineHeight - editor.Options.Zoom - 0.5);
cr.Stroke();
break;
default:
throw new InvalidOperationException("Invalid text segment marker effect " + Effect + " not supported by this marker.");
}
}
private Surface CreateScene (Cairo.Context window_cr, ImageSurface image, int reflect)
{
Surface surface = window_cr.Target.CreateSimilar (window_cr.Target.Content,
image.Width, image.Height + reflect);
Cairo.Context cr = new Context (surface);
cr.Save ();
cr.SetSource (image);
cr.Paint ();
cr.Rectangle (0, image.Height, image.Width, reflect);
cr.Clip ();
Matrix matrix = new Matrix ();
matrix.InitScale (1, -1);
matrix.Translate (0, -(2 * image.Height) + 1);
cr.Transform (matrix);
cr.SetSource (image);
cr.Paint ();
cr.Restore ();
Color bg_transparent = BackgroundColor;
bg_transparent.A = 0.65;
LinearGradient mask = new LinearGradient (0, image.Height, 0, image.Height + reflect);
mask.AddColorStop (0, bg_transparent);
mask.AddColorStop (1, BackgroundColor);
cr.Rectangle (0, image.Height, image.Width, reflect);
cr.Pattern = mask;
cr.Fill ();
((IDisposable)cr).Dispose ();
return surface;
}
protected override void OnMouseDown(Gtk.DrawingArea canvas, Gtk.ButtonPressEventArgs args, Cairo.PointD point)
{
origin_offset = point;
is_dragging = true;
hist = new MovePixelsHistoryItem (Icon, Name);
hist.TakeSnapshot ();
if (!PintaCore.Layers.ShowSelectionLayer) {
// Copy the selection to the temp layer
PintaCore.Layers.CreateSelectionLayer ();
PintaCore.Layers.ShowSelectionLayer = true;
using (Cairo.Context g = new Cairo.Context (PintaCore.Layers.SelectionLayer.Surface)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.SetSource (PintaCore.Layers.CurrentLayer.Surface);
g.Clip ();
g.Paint ();
}
Cairo.ImageSurface surf = PintaCore.Layers.CurrentLayer.Surface;
using (Cairo.Context g = new Cairo.Context (surf)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Operator = Cairo.Operator.Clear;
g.Fill ();
}
}
canvas.GdkWindow.Invalidate ();
}
protected override void OnMouseDown(Gtk.DrawingArea canvas, Gtk.ButtonPressEventArgs args, Cairo.PointD point)
{
// If we are already drawing, ignore any additional mouse down events
if (is_dragging)
return;
Document doc = PintaCore.Workspace.ActiveDocument;
origin_offset = point;
is_dragging = true;
hist = new MovePixelsHistoryItem (Icon, Name, doc);
hist.TakeSnapshot (!doc.ShowSelectionLayer);
if (!doc.ShowSelectionLayer) {
// Copy the selection to the temp layer
doc.CreateSelectionLayer ();
doc.ShowSelectionLayer = true;
using (Cairo.Context g = new Cairo.Context (doc.SelectionLayer.Surface)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.SetSource (doc.CurrentLayer.Surface);
g.Clip ();
g.Paint ();
}
Cairo.ImageSurface surf = doc.CurrentLayer.Surface;
using (Cairo.Context g = new Cairo.Context (surf)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Operator = Cairo.Operator.Clear;
g.Fill ();
}
}
canvas.GdkWindow.Invalidate ();
}
protected unsafe override void OnMouseMove(object o, Gtk.MotionNotifyEventArgs args, Cairo.PointD point)
{
Document doc = PintaCore.Workspace.ActiveDocument;
ColorBgra old_color;
ColorBgra new_color;
if (mouse_button == 1) {
old_color = PintaCore.Palette.PrimaryColor.ToColorBgra ();
new_color = PintaCore.Palette.SecondaryColor.ToColorBgra ();
} else if (mouse_button == 3) {
old_color = PintaCore.Palette.SecondaryColor.ToColorBgra ();
new_color = PintaCore.Palette.PrimaryColor.ToColorBgra ();
} else {
last_point = point_empty;
return;
}
int x = (int)point.X;
int y = (int)point.Y;
if (last_point.Equals (point_empty))
last_point = new Point (x, y);
if (doc.Workspace.PointInCanvas (point))
surface_modified = true;
ImageSurface surf = doc.CurrentLayer.Surface;
ImageSurface tmp_layer = doc.ToolLayer.Surface;
Gdk.Rectangle roi = GetRectangleFromPoints (last_point, new Point (x, y));
roi = PintaCore.Workspace.ClampToImageSize (roi);
myTolerance = (int)(Tolerance * 256);
tmp_layer.Flush ();
ColorBgra* tmp_data_ptr = (ColorBgra*)tmp_layer.DataPtr;
int tmp_width = tmp_layer.Width;
ColorBgra* surf_data_ptr = (ColorBgra*)surf.DataPtr;
int surf_width = surf.Width;
// The stencil lets us know if we've already checked this
// pixel, providing a nice perf boost
// Maybe this should be changed to a BitVector2DSurfaceAdapter?
for (int i = roi.X; i <= roi.GetRight (); i++)
for (int j = roi.Y; j <= roi.GetBottom (); j++) {
if (stencil[i, j])
continue;
if (IsColorInTolerance (new_color, surf.GetColorBgra (surf_data_ptr, surf_width, i, j)))
*tmp_layer.GetPointAddressUnchecked (tmp_data_ptr, tmp_width, i, j) = AdjustColorDifference (new_color, old_color, surf.GetColorBgra (surf_data_ptr, surf_width, i, j));
stencil[i, j] = true;
}
tmp_layer.MarkDirty ();
using (Context g = new Context (surf)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = UseAntialiasing ? Antialias.Subpixel : Antialias.None;
g.MoveTo (last_point.X, last_point.Y);
g.LineTo (x, y);
g.LineWidth = BrushWidth;
g.LineJoin = LineJoin.Round;
g.LineCap = LineCap.Round;
g.SetSource (tmp_layer);
g.Stroke ();
}
doc.Workspace.Invalidate (roi);
last_point = new Point (x, y);
}
public unsafe void HueSaturation(int hueDelta, int satDelta, int lightness)
{
ImageSurface dest = Surface.Clone ();
ColorBgra* dstPtr = (ColorBgra*)dest.DataPtr;
int len = Surface.Data.Length / 4;
// map the range [0,100] -> [0,100] and the range [101,200] -> [103,400]
if (satDelta > 100)
satDelta = ((satDelta - 100) * 3) + 100;
UnaryPixelOp op;
if (hueDelta == 0 && satDelta == 100 && lightness == 0)
op = new UnaryPixelOps.Identity ();
else
op = new UnaryPixelOps.HueSaturationLightness (hueDelta, satDelta, lightness);
op.Apply (dstPtr, len);
using (Context g = new Context (Surface)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.SetSource (dest);
g.Paint ();
}
(dest as IDisposable).Dispose ();
}
public void Crop(Gdk.Rectangle rect, Path path)
{
ImageSurface dest = new ImageSurface (Format.Argb32, rect.Width, rect.Height);
using (Context g = new Context (dest)) {
// Move the selected content to the upper left
g.Translate (-rect.X, -rect.Y);
g.Antialias = Antialias.None;
// Respect the selected path
g.AppendPath (path);
g.FillRule = Cairo.FillRule.EvenOdd;
g.Clip ();
g.SetSource (Surface);
g.Paint ();
}
(Surface as IDisposable).Dispose ();
Surface = dest;
}
void Draw (Context ctx)
{
int tabArea = tabEndX - tabStartX;
int x = GetRenderOffset ();
const int y = 0;
int n = 0;
Action<Context> drawActive = c => {
};
var drawCommands = new List<Action<Context>> ();
for (; n < notebook.Tabs.Count; n++) {
if (x + TabWidth < tabStartX) {
x += TabWidth;
continue;
}
if (x > tabEndX)
break;
int closingWidth;
var cmd = DrawClosingTab (n, new Gdk.Rectangle (x, y, 0, Allocation.Height), out closingWidth);
drawCommands.Add (cmd);
x += closingWidth;
var tab = (DockNotebookTab)notebook.Tabs [n];
bool active = tab == notebook.CurrentTab;
int width = Math.Min (TabWidth, Math.Max (50, tabEndX - x - 1));
if (tab == notebook.Tabs.Last ())
width += LastTabWidthAdjustment;
width = (int)(width * tab.WidthModifier);
if (active) {
int tmp = x;
drawActive = c => DrawTab (c, tab, Allocation, new Gdk.Rectangle (tmp, y, width, Allocation.Height), true, true, draggingTab, CreateTabLayout (tab));
tab.Allocation = new Gdk.Rectangle (tmp, Allocation.Y, width, Allocation.Height);
} else {
int tmp = x;
bool highlighted = tab == highlightedTab;
if (tab.SaveStrength > 0.0f) {
tmp = (int)(tab.SavedAllocation.X + (tmp - tab.SavedAllocation.X) * (1.0f - tab.SaveStrength));
}
drawCommands.Add (c => DrawTab (c, tab, Allocation, new Gdk.Rectangle (tmp, y, width, Allocation.Height), highlighted, false, false, CreateTabLayout (tab)));
tab.Allocation = new Gdk.Rectangle (tmp, Allocation.Y, width, Allocation.Height);
}
x += width;
}
var allocation = Allocation;
int tabWidth;
drawCommands.Add (DrawClosingTab (n, new Gdk.Rectangle (x, y, 0, allocation.Height), out tabWidth));
drawCommands.Reverse ();
DrawBackground (ctx, allocation);
// Draw breadcrumb bar header
if (notebook.Tabs.Count > 0) {
ctx.Rectangle (0, allocation.Height - BottomBarPadding, allocation.Width, BottomBarPadding);
ctx.SetSourceColor (Styles.BreadcrumbBackgroundColor);
ctx.Fill ();
}
ctx.Rectangle (tabStartX - LeanWidth / 2, allocation.Y, tabArea + LeanWidth, allocation.Height);
ctx.Clip ();
foreach (var cmd in drawCommands)
cmd (ctx);
ctx.ResetClip ();
// Redraw the dragging tab here to be sure its on top. We drew it before to get the sizing correct, this should be fixed.
drawActive (ctx);
}
private void DrawChannel(Context g, ColorBgra color, int channel, long max, float mean)
{
Rectangle rect = Allocation.ToCairoRectangle ();
Histogram histogram = Histogram;
int l = (int)rect.X;
int t = (int)rect.Y;
int r = (int)(rect.X + rect.Width);
int b = (int)(rect.Y + rect.Height);
int entries = histogram.Entries;
long[] hist = histogram.HistogramValues [channel];
++max;
if (FlipHorizontal) {
Utility.Swap(ref l, ref r);
}
if (!FlipVertical) {
Utility.Swap(ref t, ref b);
}
PointD[] points = new PointD[entries + 2];
points[entries] = new PointD (Utility.Lerp (l, r, -1), Utility.Lerp (t, b, 20));
points[entries + 1] = new PointD (Utility.Lerp (l, r, -1), Utility.Lerp (b, t, 20));
for (int i = 0; i < entries; i += entries - 1) {
points[i] = new PointD (
Utility.Lerp (l, r, (float)hist[i] / (float)max),
Utility.Lerp (t, b, (float)i / (float)entries));
CheckPoint (rect, points [i]);
}
long sum3 = hist[0] + hist[1];
for (int i = 1; i < entries - 1; ++i) {
sum3 += hist[i + 1];
points[i] = new PointD(
Utility.Lerp(l, r, (float)(sum3) / (float)(max * 3.1f)),
Utility.Lerp(t, b, (float)i / (float)entries));
CheckPoint (rect, points [i]);
sum3 -= hist[i - 1];
}
byte intensity = selected[channel] ? (byte)96 : (byte)32;
ColorBgra pen_color = ColorBgra.Blend (ColorBgra.Black, color, intensity);
ColorBgra brush_color = color;
brush_color.A = intensity;
g.LineWidth = 1;
g.Rectangle (rect);
g.Clip ();
g.DrawPolygonal (points, pen_color.ToCairoColor ());
g.FillPolygonal (points, brush_color.ToCairoColor ());
}
protected override void OnMouseMove(object o, Gtk.MotionNotifyEventArgs args, Cairo.PointD point)
{
Document doc = PintaCore.Workspace.ActiveDocument;
if (mouse_button == 1) {
StrokeColor = PintaCore.Palette.PrimaryColor;
FillColor = PintaCore.Palette.SecondaryColor;
} else if (mouse_button == 3) {
StrokeColor = PintaCore.Palette.SecondaryColor;
FillColor = PintaCore.Palette.PrimaryColor;
} else {
LastPoint = point_empty;
return;
}
// TODO: also multiply by pressure
StrokeColor = new Color (StrokeColor.R, StrokeColor.G, StrokeColor.B,
StrokeColor.A * active_brush.StrokeAlphaMultiplier);
int x = (int)point.X;
int y = (int)point.Y;
if (LastPoint.Equals (point_empty))
LastPoint = new Point (x, y);
if (doc.Workspace.PointInCanvas (point))
surface_modified = true;
var surf = doc.CurrentUserLayer.Surface;
var invalidate_rect = Gdk.Rectangle.Zero;
var brush_width = BrushWidth;
Surface = surf;
using (Drawable = new Context (surf)) {
Drawable.AppendPath (doc.Selection.SelectionPath);
Drawable.FillRule = FillRule.EvenOdd;
Drawable.Clip ();
Drawable.Antialias = UseAntialiasing ? Antialias.Subpixel : Antialias.None;
Drawable.LineWidth = brush_width;
Drawable.LineJoin = LineJoin.Round;
Drawable.LineCap = BrushWidth == 1 ? LineCap.Butt : LineCap.Round;
Drawable.Color = StrokeColor;
invalidate_rect = active_brush.DoMouseMove (Drawable, StrokeColor, Surface,
x, y, LastPoint.X, LastPoint.Y);
}
Surface = null;
Drawable = null;
// If we draw partially offscreen, Cairo gives us a bogus
// dirty rectangle, so redraw everything.
if (doc.Workspace.IsPartiallyOffscreen (invalidate_rect)) {
doc.Workspace.Invalidate ();
} else {
doc.Workspace.Invalidate (doc.ClampToImageSize (invalidate_rect));
}
LastPoint = new Point (x, y);
}
protected override bool OnDrawn(Cairo.Context cr)
{
if (!CairoHelper.ShouldDrawWindow(cr, Window))
{
return(base.OnDrawn(cr));
}
if (reflect)
{
cr.PushGroup();
}
cr.Operator = Operator.Over;
cr.Translate(h_padding, 0);
cr.Rectangle(0, 0, Allocation.Width - h_padding, Math.Max(2 * bar_height,
bar_height + bar_label_spacing + layout_height));
cr.Clip();
using (var bar = RenderBar(Allocation.Width - 2 * h_padding, bar_height)) {
cr.Save();
cr.SetSource(bar);
cr.Paint();
cr.Restore();
if (reflect)
{
cr.Save();
cr.Rectangle(0, bar_height, Allocation.Width - h_padding, bar_height);
cr.Clip();
Matrix matrix = new Matrix();
matrix.InitScale(1, -1);
matrix.Translate(0, -(2 * bar_height) + 1);
cr.Transform(matrix);
cr.SetSource(bar);
using (var mask = new LinearGradient(0, 0, 0, bar_height)) {
mask.AddColorStop(0.25, new Color(0, 0, 0, 0));
mask.AddColorStop(0.5, new Color(0, 0, 0, 0.125));
mask.AddColorStop(0.75, new Color(0, 0, 0, 0.4));
mask.AddColorStop(1.0, new Color(0, 0, 0, 0.7));
cr.Mask(mask);
}
cr.Restore();
cr.PopGroupToSource();
cr.Paint();
}
if (show_labels)
{
cr.Translate((reflect ? 0 : -h_padding) + (Allocation.Width - layout_width) / 2,
bar_height + bar_label_spacing);
RenderLabels(cr);
}
}
return(true);
}
void Draw(Cairo.Context ctx, List <TableRow> rowList, int dividerX, int x, ref int y)
{
if (!heightMeasured)
{
return;
}
Pango.Layout layout = new Pango.Layout(PangoContext);
TableRow lastCategory = null;
foreach (var r in rowList)
{
int w, h;
layout.SetText(r.Label);
layout.GetPixelSize(out w, out h);
int indent = 0;
if (r.IsCategory)
{
var rh = h + CategoryTopBottomPadding * 2;
ctx.Rectangle(0, y, Allocation.Width, rh);
ctx.SetSourceColor(Styles.PadCategoryBackgroundColor.ToCairoColor());
ctx.Fill();
if (IsFocus && r.Focused)
{
ctx.Rectangle(1, y + 1, Allocation.Width - 2, rh - 3);
ctx.SetDash(new double[] { 1, 1 }, 0.5);
ctx.LineWidth = 1.0;
ctx.SetSourceColor(Styles.BaseForegroundColor.ToCairoColor());
ctx.Stroke();
}
if (lastCategory == null || lastCategory.Expanded || lastCategory.AnimatingExpand)
{
ctx.MoveTo(0, y + 0.5);
ctx.LineTo(Allocation.Width, y + 0.5);
}
ctx.MoveTo(0, y + rh - 0.5);
ctx.LineTo(Allocation.Width, y + rh - 0.5);
ctx.SetSourceColor(Styles.PadCategoryBorderColor.ToCairoColor());
ctx.Stroke();
ctx.MoveTo(x, y + CategoryTopBottomPadding);
ctx.SetSourceColor(Styles.PadCategoryLabelColor.ToCairoColor());
Pango.CairoHelper.ShowLayout(ctx, layout);
var img = r.Expanded ? discloseUp : discloseDown;
ctx.DrawImage(this, img, Allocation.Width - img.Width - CategoryTopBottomPadding, y + Math.Round((rh - img.Height) / 2));
y += rh;
lastCategory = r;
}
else
{
var cell = GetCell(r);
r.Enabled = !r.Property.IsReadOnly || cell.EditsReadOnlyObject;
var state = r.Enabled ? State : Gtk.StateType.Insensitive;
ctx.Save();
ctx.Rectangle(0, y, dividerX, h + PropertyTopBottomPadding * 2);
ctx.Clip();
ctx.MoveTo(x, y + PropertyTopBottomPadding);
ctx.SetSourceColor(Style.Text(state).ToCairoColor());
Pango.CairoHelper.ShowLayout(ctx, layout);
ctx.Restore();
if (r != currentEditorRow)
{
var bounds = GetInactiveEditorBounds(r);
cell.Render(GdkWindow, ctx, bounds, state);
if (r.IsExpandable)
{
var img = r.Expanded ? discloseUp : discloseDown;
ctx.DrawImage(
this, img,
Allocation.Width - img.Width - PropertyTopBottomPadding,
y + Math.Round((h + PropertyTopBottomPadding * 2 - img.Height) / 2)
);
}
}
y += r.EditorBounds.Height;
indent = PropertyIndent;
}
if (r.ChildRows != null && r.ChildRows.Count > 0 && (r.Expanded || r.AnimatingExpand))
{
int py = y;
ctx.Save();
if (r.AnimatingExpand)
{
ctx.Rectangle(0, y, Allocation.Width, r.AnimationHeight);
}
else
{
ctx.Rectangle(0, 0, Allocation.Width, Allocation.Height);
}
ctx.Clip();
Draw(ctx, r.ChildRows, dividerX, x + indent, ref y);
ctx.Restore();
if (r.AnimatingExpand)
{
y = py + r.AnimationHeight;
// Repaing the background because the cairo clip doesn't work for gdk primitives
int dx = (int)((double)Allocation.Width * dividerPosition);
ctx.Rectangle(0, y, dx, Allocation.Height - y);
ctx.SetSourceColor(Styles.PropertyPadLabelBackgroundColor.ToCairoColor());
ctx.Fill();
ctx.Rectangle(dx + 1, y, Allocation.Width - dx - 1, Allocation.Height - y);
ctx.SetSourceColor(Styles.BrowserPadBackground.ToCairoColor());
ctx.Fill();
}
}
}
layout.Dispose();
}
/// <summary>
/// Draws the text.
/// </summary>
/// <param name="p">The p.</param>
/// <param name="text">The text.</param>
/// <param name="fill">The fill color.</param>
/// <param name="fontFamily">The font family.</param>
/// <param name="fontSize">Size of the font.</param>
/// <param name="fontWeight">The font weight.</param>
/// <param name="rotate">The rotation angle.</param>
/// <param name="halign">The horizontal alignment.</param>
/// <param name="valign">The vertical alignment.</param>
/// <param name="maxSize">The maximum size of the text.</param>
public override void DrawText(
ScreenPoint p,
string text,
OxyColor fill,
string fontFamily,
double fontSize,
double fontWeight,
double rotate,
HorizontalAlignment halign,
VerticalAlignment valign,
OxySize?maxSize)
{
Pango.Layout layout = Pango.CairoHelper.CreateLayout(this.g);
Pango.FontDescription font = new Pango.FontDescription();
font.Family = fontFamily;
font.Weight = (fontWeight >= 700) ? Pango.Weight.Bold : Pango.Weight.Normal;
font.AbsoluteSize = (int)(fontSize * Pango.Scale.PangoScale);
layout.FontDescription = font;
layout.SetText(text);
Pango.Rectangle inkRect;
Pango.Rectangle size;
layout.GetExtents(out inkRect, out size);
size.Width /= (int)Pango.Scale.PangoScale;
size.Height /= (int)Pango.Scale.PangoScale;
if (maxSize != null)
{
int maxWidth = (int)Math.Min((Double)Int32.MaxValue, maxSize.Value.Width);
int maxHeight = (int)Math.Min((Double)Int32.MaxValue, maxSize.Value.Height);
size.Width = Math.Min(size.Width, maxWidth);
size.Height = Math.Min(size.Height, maxHeight);
}
this.g.Save();
double dx = 0;
if (halign == HorizontalAlignment.Center)
{
dx = -size.Width / 2;
}
if (halign == HorizontalAlignment.Right)
{
dx = -size.Width;
}
double dy = 0;
if (valign == VerticalAlignment.Middle)
{
dy = -size.Height / 2;
}
if (valign == VerticalAlignment.Bottom)
{
dy = -size.Height;
}
this.g.Translate(p.X, p.Y);
if (Math.Abs(rotate) > double.Epsilon)
{
this.g.Rotate(rotate * Math.PI / 180.0);
}
this.g.Translate(dx, dy);
g.Rectangle(0, 0, size.Width + 0.1f, size.Height + 0.1f);
g.Clip();
this.g.SetSourceColor(fill);
Pango.CairoHelper.ShowLayout(this.g, layout);
this.g.Restore();
}
void ClipProgressBar(Cairo.Context context, Gdk.Rectangle bounding)
{
LayoutRoundedRectangle(context, bounding);
context.Clip();
}
protected override void OnMouseMove(object o, Gtk.MotionNotifyEventArgs args, Cairo.PointD point)
{
base.OnMouseMove (o, args, point);
if (tracking) {
UserBlendOps.NormalBlendOp normalBlendOp = new UserBlendOps.NormalBlendOp();
GradientRenderer gr = null;
switch (GradientType) {
case eGradientType.Linear:
gr = new GradientRenderers.LinearClamped (GradientColorMode == GradientColorMode.Transparency, normalBlendOp);
break;
case eGradientType.LinearReflected:
gr = new GradientRenderers.LinearReflected (GradientColorMode == GradientColorMode.Transparency, normalBlendOp);
break;
case eGradientType.Radial:
gr = new GradientRenderers.Radial (GradientColorMode == GradientColorMode.Transparency, normalBlendOp);
break;
case eGradientType.Diamond:
gr = new GradientRenderers.LinearDiamond (GradientColorMode == GradientColorMode.Transparency, normalBlendOp);
break;
case eGradientType.Conical:
gr = new GradientRenderers.Conical (GradientColorMode == GradientColorMode.Transparency, normalBlendOp);
break;
}
if (button == 3) {//right
gr.StartColor = PintaCore.Palette.SecondaryColor.ToColorBgra ();
gr.EndColor = PintaCore.Palette.PrimaryColor.ToColorBgra ();
}
else {//1 left
gr.StartColor = PintaCore.Palette.PrimaryColor.ToColorBgra ();
gr.EndColor = PintaCore.Palette.SecondaryColor.ToColorBgra ();
}
gr.StartPoint = startpoint;
gr.EndPoint = point;
gr.AlphaBlending = UseAlphaBlending;
gr.BeforeRender ();
Gdk.Rectangle selection_bounds = PintaCore.Layers.SelectionPath.GetBounds ();
ImageSurface scratch_layer = PintaCore.Layers.ToolLayer.Surface;
gr.Render (scratch_layer, new Gdk.Rectangle[] { selection_bounds });
using (Context g = new Context (PintaCore.Layers.CurrentLayer.Surface)) {
g.AppendPath (PintaCore.Layers.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.SetSource (scratch_layer);
g.Paint ();
}
selection_bounds.Inflate (5, 5);
PintaCore.Workspace.Invalidate (selection_bounds);
}
}
public void Render(Cairo.Context context, StatusArea.RenderArg arg, Gtk.Widget widget)
{
context.CachedDraw(surface: ref backgroundSurface,
region: arg.Allocation,
draw: (c, o) => DrawBackground(c, new Gdk.Rectangle(0, 0, arg.Allocation.Width, arg.Allocation.Height)));
if (arg.BuildAnimationOpacity > 0.001f)
{
DrawBuildEffect(context, arg.Allocation, arg.BuildAnimationProgress, arg.BuildAnimationOpacity);
}
if (arg.ErrorAnimationProgress > 0.001 && arg.ErrorAnimationProgress < .999)
{
DrawErrorAnimation(context, arg);
}
DrawBorder(context, arg.Allocation);
if (arg.HoverProgress > 0.001f)
{
context.Clip();
int x1 = arg.Allocation.X + arg.MousePosition.X - 200;
int x2 = x1 + 400;
using (Cairo.LinearGradient gradient = new LinearGradient(x1, 0, x2, 0))
{
Cairo.Color targetColor = Styles.StatusBarFill1Color;
Cairo.Color transparentColor = targetColor;
targetColor.A = .7;
transparentColor.A = 0;
targetColor.A = .7 * arg.HoverProgress;
gradient.AddColorStop(0.0, transparentColor);
gradient.AddColorStop(0.5, targetColor);
gradient.AddColorStop(1.0, transparentColor);
context.SetSource(gradient);
context.Rectangle(x1, arg.Allocation.Y, x2 - x1, arg.Allocation.Height);
context.Fill();
}
context.ResetClip();
}
else
{
context.NewPath();
}
int progress_bar_x = arg.ChildAllocation.X;
int progress_bar_width = arg.ChildAllocation.Width;
if (arg.CurrentPixbuf != null)
{
int y = arg.Allocation.Y + (arg.Allocation.Height - (int)arg.CurrentPixbuf.Size.Height) / 2;
context.DrawImage(widget, arg.CurrentPixbuf, arg.ChildAllocation.X, y);
progress_bar_x += (int)arg.CurrentPixbuf.Width + Styles.ProgressBarOuterPadding;
progress_bar_width -= (int)arg.CurrentPixbuf.Width + Styles.ProgressBarOuterPadding;
}
int center = arg.Allocation.Y + arg.Allocation.Height / 2;
Gdk.Rectangle progressArea = new Gdk.Rectangle(progress_bar_x, center - Styles.ProgressBarHeight / 2, progress_bar_width, Styles.ProgressBarHeight);
if (arg.ShowProgressBar || arg.ProgressBarAlpha > 0)
{
DrawProgressBar(context, arg.ProgressBarFraction, progressArea, arg);
ClipProgressBar(context, progressArea);
}
int text_x = progress_bar_x + Styles.ProgressBarInnerPadding;
int text_width = progress_bar_width - (Styles.ProgressBarInnerPadding * 2);
double textTweenValue = arg.TextAnimationProgress;
if (arg.LastText != null)
{
double opacity = Math.Max(0.0f, 1.0f - textTweenValue);
DrawString(arg.LastText, arg.LastTextIsMarkup, context, text_x,
center - (int)(textTweenValue * arg.Allocation.Height * 0.3), text_width, opacity, arg.Pango, arg);
}
if (arg.CurrentText != null)
{
DrawString(arg.CurrentText, arg.CurrentTextIsMarkup, context, text_x,
center + (int)((1.0f - textTweenValue) * arg.Allocation.Height * 0.3), text_width, Math.Min(textTweenValue, 1.0), arg.Pango, arg);
}
if (arg.ShowProgressBar || arg.ProgressBarAlpha > 0)
{
context.ResetClip();
}
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
if (evnt.Window != GdkWindow)
{
return(base.OnExposeEvent(evnt));
}
Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window);
if (reflect)
{
CairoExtensions.PushGroup(cr);
}
cr.Operator = Operator.Over;
cr.Translate(Allocation.X + h_padding, Allocation.Y);
cr.Rectangle(0, 0, Allocation.Width - h_padding, Math.Max(2 * bar_height,
bar_height + bar_label_spacing + layout_height));
cr.Clip();
Pattern bar = RenderBar(Allocation.Width - 2 * h_padding, bar_height);
cr.Save();
cr.SetSource(bar);
cr.Paint();
cr.Restore();
if (reflect)
{
cr.Save();
cr.Rectangle(0, bar_height, Allocation.Width - h_padding, bar_height);
cr.Clip();
var matrix = new Matrix();
matrix.InitScale(1, -1);
matrix.Translate(0, -(2 * bar_height) + 1);
cr.Transform(matrix);
cr.SetSource(bar);
var mask = new LinearGradient(0, 0, 0, bar_height);
mask.AddColorStop(0.25, new Color(0, 0, 0, 0));
mask.AddColorStop(0.5, new Color(0, 0, 0, 0.125));
mask.AddColorStop(0.75, new Color(0, 0, 0, 0.4));
mask.AddColorStop(1.0, new Color(0, 0, 0, 0.7));
cr.Mask(mask);
mask.Dispose();
cr.Restore();
CairoExtensions.PopGroupToSource(cr);
cr.Paint();
}
if (show_labels)
{
cr.Translate((reflect ? Allocation.X : -h_padding) + (Allocation.Width - layout_width) / 2,
(reflect ? Allocation.Y : 0) + bar_height + bar_label_spacing);
RenderLabels(cr);
}
bar.Dispose();
CairoExtensions.DisposeContext(cr);
return(true);
}
protected override void OnMouseMove(object o, Gtk.MotionNotifyEventArgs args, Cairo.PointD point)
{
if (mouse_button == 1) {
StrokeColor = PintaCore.Palette.PrimaryColor;
FillColor = PintaCore.Palette.SecondaryColor;
} else if (mouse_button == 3) {
StrokeColor = PintaCore.Palette.SecondaryColor;
FillColor = PintaCore.Palette.PrimaryColor;
} else {
LastPoint = point_empty;
return;
}
// TODO: also multiply by pressure
StrokeColor = new Color (StrokeColor.R, StrokeColor.G, StrokeColor.B,
StrokeColor.A * active_brush.StrokeAlphaMultiplier);
int x = (int)point.X;
int y = (int)point.Y;
if (LastPoint.Equals (point_empty))
LastPoint = new Point (x, y);
if (PintaCore.Workspace.PointInCanvas (point))
surface_modified = true;
var surf = PintaCore.Layers.CurrentLayer.Surface;
var invalidate_rect = Gdk.Rectangle.Zero;
var brush_width = BrushWidth;
using (Drawable = new Context (surf)) {
Drawable.AppendPath (PintaCore.Workspace.ActiveDocument.SelectionPath);
Drawable.FillRule = FillRule.EvenOdd;
Drawable.Clip ();
Drawable.Antialias = Antialias.Subpixel;
Drawable.LineWidth = brush_width;
Drawable.LineJoin = LineJoin.Round;
Drawable.LineCap = BrushWidth == 1 ? LineCap.Butt : LineCap.Round;
Drawable.Color = StrokeColor;
Drawable.Translate (brush_width / 2.0, brush_width / 2.0);
active_brush.Tool = this;
invalidate_rect = active_brush.DoMouseMove (x, y, LastPoint.X, LastPoint.Y);
active_brush.Tool = null;
}
Drawable = null;
if (invalidate_rect.IsEmpty) {
PintaCore.Workspace.Invalidate ();
} else {
PintaCore.Workspace.Invalidate (invalidate_rect);
}
LastPoint = new Point (x, y);
}
private void Draw(DrawingArea drawingarea1, Color tool_color, Cairo.PointD point, bool first_pixel)
{
int x = (int)point.X;
int y = (int) point.Y;
if (last_point.Equals (point_empty)) {
last_point = new Point (x, y);
if (!first_pixel)
return;
}
Document doc = PintaCore.Workspace.ActiveDocument;
if (doc.Workspace.PointInCanvas (point))
surface_modified = true;
ImageSurface surf = PintaCore.Layers.CurrentLayer.Surface;
if (first_pixel) {
// Does Cairo really not support a single-pixel-long single-pixel-wide line?
surf.Flush ();
int shiftedX = (int)point.X;
int shiftedY = (int)point.Y;
ColorBgra source = surf.GetColorBgraUnchecked (shiftedX, shiftedY);
source = UserBlendOps.NormalBlendOp.ApplyStatic (source, tool_color.ToColorBgra ());
surf.SetColorBgra (source, shiftedX, shiftedY);
surf.MarkDirty ();
} else {
using (Context g = new Context (surf)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = Antialias.None;
// Adding 0.5 forces cairo into the correct square:
// See https://bugs.launchpad.net/bugs/672232
g.MoveTo (last_point.X + 0.5, last_point.Y + 0.5);
g.LineTo (x + 0.5, y + 0.5);
g.Color = tool_color;
g.LineWidth = 1;
g.LineCap = LineCap.Square;
g.Stroke ();
}
}
Gdk.Rectangle r = GetRectangleFromPoints (last_point, new Point (x, y));
doc.Workspace.Invalidate (r);
last_point = new Point (x, y);
}
protected override void OnStartTransform()
{
base.OnStartTransform ();
Document doc = PintaCore.Workspace.ActiveDocument;
original_selection = new List<List<IntPoint>> (doc.Selection.SelectionPolygons);
original_transform.InitMatrix (doc.SelectionLayer.Transform);
hist = new MovePixelsHistoryItem (Icon, Name, doc);
hist.TakeSnapshot (!doc.ShowSelectionLayer);
if (!doc.ShowSelectionLayer) {
// Copy the selection to the temp layer
doc.CreateSelectionLayer ();
doc.ShowSelectionLayer = true;
using (Cairo.Context g = new Cairo.Context (doc.SelectionLayer.Surface)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.SetSource (doc.CurrentUserLayer.Surface);
g.Clip ();
g.Paint ();
}
Cairo.ImageSurface surf = doc.CurrentUserLayer.Surface;
using (Cairo.Context g = new Cairo.Context (surf)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Operator = Cairo.Operator.Clear;
g.Fill ();
}
}
PintaCore.Workspace.Invalidate ();
}
protected override void OnMouseMove(object o, Gtk.MotionNotifyEventArgs args, Cairo.PointD point)
{
Document doc = PintaCore.Workspace.ActiveDocument;
if (mouse_button <= 0) {
last_point = point_empty;
return;
}
int x = (int)point.X;
int y = (int)point.Y;
if (last_point.Equals (point_empty))
last_point = new Point (x, y);
if (doc.Workspace.PointInCanvas (point))
surface_modified = true;
ImageSurface surf = doc.CurrentUserLayer.Surface;
using (Context g = new Context (surf)) {
g.AppendPath (doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.Clip ();
g.Antialias = UseAntialiasing ? Antialias.Subpixel : Antialias.None;
// Adding 0.5 forces cairo into the correct square:
// See https://bugs.launchpad.net/bugs/672232
g.MoveTo (last_point.X + 0.5, last_point.Y + 0.5);
g.LineTo (x + 0.5, y + 0.5);
// Right-click is erase to background color, left-click is transparent
if (mouse_button == 3)
g.SetSourceRGBA(PintaCore.Palette.SecondaryColor);
else
g.Operator = Operator.Clear;
g.LineWidth = BrushWidth;
g.LineJoin = LineJoin.Round;
g.LineCap = LineCap.Round;
g.Stroke ();
}
Gdk.Rectangle r = GetRectangleFromPoints (last_point, new Point (x, y));
if (doc.Workspace.IsPartiallyOffscreen (r)) {
doc.Workspace.Invalidate ();
} else {
doc.Workspace.Invalidate (doc.ClampToImageSize (r));
}
last_point = new Point (x, y);
}
private void RenderNodeGroup(NodeGroup ng, Network network, Cairo.Context gc)
{
gc.Save();
SizeD size = CalculateNodeGroupSize(ng, gc);
ng.Dimension = size;
CreateRoundedRectPath(gc, ng.Position.X, ng.Position.Y, size.Width, size.Height, 20);
gc.Color = new Cairo.Color(0, 0, 0, 0.5);
gc.FillPreserve();
if (selectedGroup == ng)
{
gc.Save();
gc.Color = orangeOverlay;
gc.StrokePreserve();
gc.Restore();
}
var titleTextSize = CalculateNodeGroupTitleTextSize(ng, gc);
var titleSize = new SizeD(size.Width, titleTextSize.Height + (Padding * 2.0));
gc.Clip();
gc.Rectangle(ng.Position.X, ng.Position.Y, titleSize.Width, titleSize.Height);
gc.Fill();
gc.ResetClip();
gc.Color = lightGray;
double hostTextX = ng.Position.X + (titleSize.Width / 2.0) - (titleTextSize.Width / 2.0);
double hostTextY = ng.Position.Y + (titleSize.Height / 2.0) - (titleTextSize.Height / 2.0);
gc.MoveTo(hostTextX, hostTextY /* + titleTextSize.Height */);
Pango.Layout layout = new Pango.Layout(this.PangoContext);
layout.FontDescription = this.PangoContext.FontDescription.Copy();
layout.FontDescription.Size = Pango.Units.FromDouble(NodegroupNameFontSize);
layout.SetText(ng.Name);
Pango.CairoHelper.ShowLayout(gc, layout);
SizeD nodesSize = CalculateNodeGroupSize(ng, gc);
if (ng.Nodes.Count == 1)
{
double positionY = ng.Position.Y + titleSize.Height + Padding;
double positionX = ng.Position.X + (ng.Dimension.Width / 2.0) - HalfAvatarDimension;
RenderNode(gc, (Node)ng.Nodes[0], positionX, positionY);
}
else if (ng.Nodes.Count == 2)
{
// position them side-by-side, separated by (padding) number of pixels, centered in the
// space.
double positionY = ng.Position.Y + titleSize.Height + Padding;
double position1X = ng.Position.X + (ng.Dimension.Width / 2.0) - (Padding / 2.0) - AvatarDimension;
double position2X = position1X + Padding + AvatarDimension;
RenderNode(gc, (Node)ng.Nodes[0], position1X, positionY);
RenderNode(gc, (Node)ng.Nodes[1], position2X, positionY);
}
else
{
double deg = 0;
double x = 0;
double y = 0;
var contentY = ng.Position.Y + titleSize.Height;
var contentHeight = size.Height - titleSize.Height;
var middle = new System.Drawing.Point(Convert.ToInt32(ng.Position.X + size.Width - (size.Width / 2.0)),
Convert.ToInt32(contentY + contentHeight - (contentHeight / 2.0)));
int nodeSize = Convert.ToInt32(AvatarDimension);
for (int i = 0; i < ng.Nodes.Count; i++)
{
x = Math.Sin(deg) * ((size.Width / 2.0) - (nodeSize)) + middle.X - (nodeSize / 2.0);
y = Math.Cos(deg) * ((contentHeight / 2.0) - (nodeSize)) + middle.Y - (nodeSize / 2.0);
RenderNode(gc, (Node)ng.Nodes[i], x, y);
deg += Math.PI / (ng.Nodes.Count / 2.0);
}
}
gc.Restore();
}