public unsafe override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
this.radius = Data.Radius;
foreach (Gdk.Rectangle rect in rois)
RenderRectWithAlpha (this.radius, src, dest, rect);
}
public static SurfacePattern CreateTileBrush(TileBrush brush, Size targetSize)
{
var helper = new TileBrushImplHelper(brush, targetSize);
if (!helper.IsValid)
return null;
using (var intermediate = new ImageSurface(Format.ARGB32, (int)helper.IntermediateSize.Width, (int)helper.IntermediateSize.Height))
using (var ctx = new RenderTarget(intermediate).CreateDrawingContext())
{
helper.DrawIntermediate(ctx);
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(-helper.DestinationRect.X, -helper.DestinationRect.Y);
result.Matrix = matrix;
}
return result;
}
}
static void Main()
{
// The using statement ensures that potentially heavy objects
// are disposed immediately.
using (ImageSurface draw = new ImageSurface(Format.Argb32, 70, 150))
{
using (Context gr = new Context(draw))
{
gr.Antialias = Antialias.Subpixel; // sets the anti-aliasing method
gr.LineWidth = 9; // sets the line width
gr.SetSourceColor(new Color(0, 0, 0, 1)); // red, green, blue, alpha
gr.MoveTo(10, 10); // sets the Context's start point.
gr.LineTo(40, 60); // draws a "virtual" line from 5,5 to 20,30
gr.Stroke(); //stroke the line to the image surface
gr.Antialias = Antialias.Gray;
gr.LineWidth = 8;
gr.SetSourceColor(new Color(1, 0, 0, 1));
gr.LineCap = LineCap.Round;
gr.MoveTo(10, 50);
gr.LineTo(40, 100);
gr.Stroke();
gr.Antialias = Antialias.None; //fastest method but low quality
gr.LineWidth = 7;
gr.MoveTo(10, 90);
gr.LineTo(40, 140);
gr.Stroke();
draw.WriteToPng("antialias.png"); //save the image as a png image.
}
}
}
public GtkGraphDrawer(Context g, Context gh, ImageSurface srfc)
{
this.g = g;
this.gh = gh;
this.srfc = srfc;
gh.Antialias = Antialias.Subpixel;
}
/// <summary>
/// A history item for when shapes are finalized.
/// </summary>
/// <param name="passedEE">The EditEngine being used.</param>
/// <param name="icon">The history item's icon.</param>
/// <param name="text">The history item's title.</param>
/// <param name="passedUserSurface">The stored UserLayer surface.</param>
/// <param name="passedUserLayer">The UserLayer being modified.</param>
/// <param name="passedSelectedPointIndex">The selected point's index.</param>
/// <param name="passedSelectedShapeIndex">The selected point's shape index.</param>
/// <param name="passedRedrawEverything">Whether every shape should be redrawn when undoing (e.g. finalization).</param>
public ShapesHistoryItem(BaseEditEngine passedEE, string icon, string text, ImageSurface passedUserSurface, UserLayer passedUserLayer,
int passedSelectedPointIndex, int passedSelectedShapeIndex, bool passedRedrawEverything) : base(icon, text)
{
ee = passedEE;
userLayer = passedUserLayer;
userSurfaceDiff = SurfaceDiff.Create(passedUserSurface, userLayer.Surface, true);
if (userSurfaceDiff == null)
{
userSurface = passedUserSurface;
}
else
{
(passedUserSurface as IDisposable).Dispose();
}
sEngines = BaseEditEngine.SEngines.PartialClone();
selectedPointIndex = passedSelectedPointIndex;
selectedShapeIndex = passedSelectedShapeIndex;
redrawEverything = passedRedrawEverything;
}
public static ImageSurface Create (Gdk.Pixbuf pixbuf, bool disposePixbuf)
{
if (pixbuf == null || pixbuf.Handle == IntPtr.Zero) {
return null;
}
if (!PlatformDetection.IsWindows) {
try {
return new PixbufImageSurface (pixbuf, disposePixbuf);
} catch {
return null;
}
} else {
// FIXME:
// Windows has some trouble running the PixbufImageSurface, so as a
// workaround a slower but working version of this factory method is
// implemented. One day we can come back and optimize this by finding
// out what's causing the PixbufImageSurface to result in access
// violations when the object is disposed.
ImageSurface target = new ImageSurface (Format.ARGB32, pixbuf.Width, pixbuf.Height);
Context context = new Context (target);
try {
Gdk.CairoHelper.SetSourcePixbuf (context, pixbuf, 0, 0);
context.Paint ();
} finally {
((IDisposable)context).Dispose ();
if (disposePixbuf) {
((IDisposable)pixbuf).Dispose ();
}
}
return target;
}
}
public unsafe override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
bacAdjustment.Data.Brightness = -Data.ColorRange;
bacAdjustment.Data.Contrast = -Data.ColorRange;
bacAdjustment.Render (src, dest, rois);
blurEffect.Data.Radius = Data.PencilTipSize;
blurEffect.Render (src, dest, rois);
invertEffect.Render (dest, dest, rois);
desaturateOp.Apply (dest, dest, rois);
ColorBgra* dst_dataptr = (ColorBgra*)dest.DataPtr;
int dst_width = dest.Width;
ColorBgra* src_dataptr = (ColorBgra*)src.DataPtr;
int src_width = src.Width;
foreach (Gdk.Rectangle roi in rois) {
for (int y = roi.Top; y <= roi.GetBottom (); ++y) {
ColorBgra* srcPtr = src.GetPointAddressUnchecked (src_dataptr, src_width, roi.X, y);
ColorBgra* dstPtr = dest.GetPointAddressUnchecked (dst_dataptr, dst_width, roi.X, y);
for (int x = roi.Left; x <= roi.GetRight (); ++x) {
ColorBgra srcGrey = desaturateOp.Apply (*srcPtr);
ColorBgra sketched = colorDodgeOp.Apply (srcGrey, *dstPtr);
*dstPtr = sketched;
++srcPtr;
++dstPtr;
}
}
}
}
private unsafe void ApplyRectangle (ImageSurface surface, Gdk.Rectangle rect)
{
for (int y = rect.Left; y <= rect.GetBottom (); ++y) {
ColorBgra* ptr = surface.GetPointAddress (rect.Left, y);
Apply (ptr, rect.Width);
}
}
public unsafe override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
int warmth = Data.Warmth;
float redAdjust = 1.0f + (warmth / 100.0f);
float blueAdjust = 1.0f - (warmth / 100.0f);
this.blurEffect.Render(src, dest, rois);
this.bacAdjustment.Render(src, dest, rois);
foreach (Gdk.Rectangle roi in rois) {
for (int y = roi.Top; y <= roi.GetBottom (); ++y) {
ColorBgra* srcPtr = src.GetPointAddress(roi.X, y);
ColorBgra* dstPtr = dest.GetPointAddress(roi.X, y);
for (int x = roi.Left; x <= roi.GetRight (); ++x) {
ColorBgra srcGrey = this.desaturateOp.Apply(*srcPtr);
srcGrey.R = Utility.ClampToByte((int)((float)srcGrey.R * redAdjust));
srcGrey.B = Utility.ClampToByte((int)((float)srcGrey.B * blueAdjust));
ColorBgra mypixel = this.overlayOp.Apply(srcGrey, *dstPtr);
*dstPtr = mypixel;
++srcPtr;
++dstPtr;
}
}
}
}
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)
{
RenderThumbnail (cr, image, dispose, x, y, width, height, drawBorder, radius,
fill, fillColor, CairoCorners.All);
}
public override void Paint(Cairo.Context gr, Rectangle rect, string subPart = "")
{
float widthRatio = 1f;
float heightRatio = 1f;
if (Scaled){
widthRatio = (float)rect.Width / Dimensions.Width;
heightRatio = (float)rect.Height / Dimensions.Height;
}
if (KeepProportions) {
if (widthRatio < heightRatio)
heightRatio = widthRatio;
else
widthRatio = heightRatio;
}
gr.Save ();
gr.Translate (rect.Left,rect.Top);
gr.Scale (widthRatio, heightRatio);
gr.Translate ((rect.Width/widthRatio - Dimensions.Width)/2, (rect.Height/heightRatio - Dimensions.Height)/2);
using (ImageSurface imgSurf = new ImageSurface (image, Format.Argb32,
Dimensions.Width, Dimensions.Height, 4 * Dimensions.Width)) {
gr.SetSourceSurface (imgSurf, 0,0);
gr.Paint ();
}
gr.Restore ();
}
/// <summary>
/// A history item for when text is created, edited, and/or finalized.
/// </summary>
/// <param name="icon">The history item's icon.</param>
/// <param name="text">The history item's title.</param>
/// <param name="passedTextSurface">The stored TextLayer surface.</param>
/// <param name="passedUserSurface">The stored UserLayer surface.</param>
/// <param name="passedTextEngine">The text engine being used.</param>
/// <param name="passedUserLayer">The UserLayer being modified.</param>
public TextHistoryItem(string icon, string text, ImageSurface passedTextSurface,
ImageSurface passedUserSurface, TextEngine passedTextEngine,
UserLayer passedUserLayer) : base(icon, text)
{
userLayer = passedUserLayer;
text_surface_diff = SurfaceDiff.Create(passedTextSurface, userLayer.TextLayer.Layer.Surface, true);
if (text_surface_diff == null)
{
textSurface = passedTextSurface;
}
else
{
(passedTextSurface as IDisposable).Dispose();
}
user_surface_diff = SurfaceDiff.Create(passedUserSurface, userLayer.Surface, true);
if (user_surface_diff == null)
{
userSurface = passedUserSurface;
}
else
{
(passedUserSurface as IDisposable).Dispose();
}
tEngine = passedTextEngine;
textBounds = new Gdk.Rectangle(userLayer.textBounds.X, userLayer.textBounds.Y, userLayer.textBounds.Width, userLayer.textBounds.Height);
}
public Size ImageSize(string file)
{
ImageSurface image = new ImageSurface (file);
Size result = new Size (image.Width, image.Height);
(image as IDisposable).Dispose ();
return result;
}
protected override Gdk.Rectangle OnMouseMove (Context g, Color strokeColor, ImageSurface surface,
int x, int y, int lastX, int lastY)
{
// Cairo does not support a single-pixel-long single-pixel-wide line
if (x == lastX && y == lastY && g.LineWidth == 1 &&
PintaCore.Workspace.ActiveWorkspace.PointInCanvas (new PointD(x,y))) {
surface.Flush ();
ColorBgra source = surface.GetColorBgraUnchecked (x, y);
source = UserBlendOps.NormalBlendOp.ApplyStatic (source, strokeColor.ToColorBgra ());
surface.SetColorBgra (source, x, y);
surface.MarkDirty ();
return new Gdk.Rectangle (x - 1, y - 1, 3, 3);
}
g.MoveTo (lastX + 0.5, lastY + 0.5);
g.LineTo (x + 0.5, y + 0.5);
g.StrokePreserve ();
Gdk.Rectangle dirty = g.FixedStrokeExtents ().ToGdkRectangle ();
// For some reason (?!) we need to inflate the dirty
// rectangle for small brush widths in zoomed images
dirty.Inflate (1, 1);
return dirty;
}
public unsafe override void Render(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
var cellSize = Data.CellSize;
Gdk.Rectangle src_bounds = src.GetBounds ();
Gdk.Rectangle dest_bounds = dest.GetBounds ();
foreach (var rect in rois) {
for (int y = rect.Top; y <= rect.GetBottom (); ++y) {
int yEnd = y + 1;
for (int x = rect.Left; x <= rect.GetRight (); ++x) {
var cellRect = GetCellBox (x, y, cellSize);
cellRect.Intersect (dest_bounds);
var color = ComputeCellColor (x, y, src, cellSize, src_bounds);
int xEnd = Math.Min (rect.GetRight (), cellRect.GetRight ());
yEnd = Math.Min (rect.GetBottom (), cellRect.GetBottom ());
for (int y2 = y; y2 <= yEnd; ++y2) {
ColorBgra* ptr = dest.GetPointAddressUnchecked (x, y2);
for (int x2 = x; x2 <= xEnd; ++x2) {
ptr->Bgra = color.Bgra;
++ptr;
}
}
x = xEnd;
}
y = yEnd;
}
}
}
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;
}
}
private void Form1_Shown(object sender, EventArgs e)
{
Debug.WriteLine("Form1_Shown");
Win32Surface = new Win32Surface(this.CreateGraphics().GetHdc());
FontContext = new Context(Win32Surface);
//CRITICAL: Format of Win32Surface and ImageSurface must be identical!
ImageSurface = new ImageSurface(Format.Rgb24, ClientSize.Width, ClientSize.Height);
BackContext = new Context(ImageSurface);
//Clear Surface2
BackContext.SetSourceColor(new Color(1,1,1));
BackContext.Operator = Operator.Source;
BackContext.Paint();
BackContext.Operator = Operator.Over;
var textFormat = DWriteCairo.CreateTextFormat(
"Arial",
FontWeight.Normal,
FontStyle.Normal,
FontStretch.Normal,
32f);
Debug.Assert(Math.Abs(textFormat.FontSize - 32f) < 0.0001);
const string s = "Hello World";
textLayout = DWriteCairo.CreateTextLayout(s, textFormat, 300, 40);
}
unsafe public override void Render (ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
const double jr = 0.3125;
const double ji = 0.03;
int w = dst.Width;
int h = dst.Height;
double invH = 1.0 / h;
double invZoom = 1.0 / Data.Zoom;
double invQuality = 1.0 / Data.Quality;
double aspect = (double)h / (double)w;
int count = Data.Quality * Data.Quality + 1;
double invCount = 1.0 / (double)count;
double angleTheta = (Data.Angle * Math.PI * 2) / 360.0;
ColorBgra* dst_dataptr = (ColorBgra*)dst.DataPtr;
int dst_width = dst.Width;
foreach (Gdk.Rectangle rect in rois) {
for (int y = rect.Top; y <= rect.GetBottom (); y++) {
ColorBgra* dstPtr = dst.GetPointAddressUnchecked (dst_dataptr, dst_width, rect.Left, y);
for (int x = rect.Left; x <= rect.GetRight (); x++) {
int r = 0;
int g = 0;
int b = 0;
int a = 0;
for (double i = 0; i < count; i++) {
double u = (2.0 * x - w + (i * invCount)) * invH;
double v = (2.0 * y - h + ((i * invQuality) % 1)) * invH;
double radius = Math.Sqrt ((u * u) + (v * v));
double radiusP = radius;
double theta = Math.Atan2 (v, u);
double thetaP = theta + angleTheta;
double uP = radiusP * Math.Cos (thetaP);
double vP = radiusP * Math.Sin (thetaP);
double jX = (uP - vP * aspect) * invZoom;
double jY = (vP + uP * aspect) * invZoom;
double j = Julia (jX, jY, jr, ji);
double c = Data.Factor * j;
b += Utility.ClampToByte (c - 768);
g += Utility.ClampToByte (c - 512);
r += Utility.ClampToByte (c - 256);
a += Utility.ClampToByte (c - 0);
}
*dstPtr = ColorBgra.FromBgra (Utility.ClampToByte (b / count), Utility.ClampToByte (g / count), Utility.ClampToByte (r / count), Utility.ClampToByte (a / count));
++dstPtr;
}
}
}
}
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;
}
}
}
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);
}
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 PlainSurfaceItem(int maxWidth, int maxHeight, int widthRequest = 0, int heightRequest = 0, string label = null)
{
//Console.WriteLine ("PlainSurfaceItem");
_label = label;
this._evtBox = new EventBox ();
this._draw = new global::Gtk.DrawingArea ();
if(widthRequest > 0) {
_draw.WidthRequest = widthRequest;
}
if(heightRequest > 0) {
_draw.HeightRequest = heightRequest;
}
this._evtBox.Add (this._draw);
maxWidth = Math.Max (maxWidth, widthRequest);
maxHeight = Math.Max (maxHeight, heightRequest);
this._height = Math.Max(_draw.Allocation.Height, heightRequest);
this._width = Math.Max(_draw.Allocation.Width, widthRequest);
this._mode = DisplayMode.Snapshot;
this._surface = new ImageSurface(Format.Argb32, maxWidth, maxHeight);
this._button = MouseButton.None;
this._background = new Color (1.0, 1.0, 1.0);
_draw.ExposeEvent += DrawExpose;
_evtBox.ButtonPressEvent += DrawButtonPressEvent;
_evtBox.ButtonReleaseEvent += DrawButtonReleaseEvent;
_evtBox.MotionNotifyEvent += DrawMotionNotifyEvent;
}
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 (mouse_button > 0)
return;
surface_modified = false;
undo_surface = PintaCore.Workspace.ActiveDocument.CurrentUserLayer.Surface.Clone ();
mouse_button = args.Event.Button;
Color tool_color;
if (mouse_button == 1)
{
tool_color = PintaCore.Palette.PrimaryColor;
}
else if (mouse_button == 3)
{
tool_color = PintaCore.Palette.SecondaryColor;
}
else
{
last_point = point_empty;
return;
}
Draw (canvas, tool_color, point, true);
}
public override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
if (op == null)
op = new UnaryPixelOps.PosterizePixel (Data.Red, Data.Green, Data.Blue);
op.Apply (dest, src, rois);
}
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 ();
}
public SketchPad(IPuzzleQueryResolver resolver)
{
ImageSurface imsu = new ImageSurface(Format.Argb32,0x01,0x01);
this.subcontext = new Context(imsu);
this.AddEvents((int) (Gdk.EventMask.PointerMotionMask|Gdk.EventMask.ButtonPressMask|Gdk.EventMask.ButtonReleaseMask));
this.resolver = resolver;
}
public void Dispose ()
{
if (img != null) {
img.Dispose ();
img = null;
}
}
public Layer(ImageSurface surface, bool hidden, double opacity, string name)
{
Surface = surface;
Hidden = hidden;
Opacity = opacity;
Name = name;
Offset = new PointD (0, 0);
}
public unsafe override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
this.radius = Data.Radius;
this.percentile = Data.Percentile;
foreach (Gdk.Rectangle rect in rois)
RenderRect (this.radius, src, dest, rect);
}
public unsafe override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
this.radius = Data.Radius;
this.strength = -0.2 * Data.Strength;
foreach (Gdk.Rectangle rect in rois)
RenderRect (this.radius, src, dest, rect);
}
private void HandlePintaCoreActionsEditFillSelectionActivated(object sender, EventArgs e)
{
Document doc = PintaCore.Workspace.ActiveDocument;
PintaCore.Tools.Commit();
Cairo.ImageSurface old = doc.CurrentUserLayer.Surface.Clone();
using (var g = new Cairo.Context(doc.CurrentUserLayer.Surface)) {
g.AppendPath(doc.Selection.SelectionPath);
g.FillRule = FillRule.EvenOdd;
g.SetSourceColor(PintaCore.Palette.PrimaryColor);
g.Fill();
}
doc.Workspace.Invalidate();
doc.History.PushNewItem(new SimpleHistoryItem("Menu.Edit.FillSelection.png", Catalog.GetString("Fill Selection"), old, doc.CurrentUserLayerIndex));
}
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();
}
void DrawOverlay(System.Object o, Gtk.DrawnArgs args)
{
var imageViewWidget = this.drawingArea as ImageViewWidget;
if (imageViewWidget == null || imageViewWidget.Image == null || !this.IsActive || !this.UpdateFade(imageViewWidget))
{
return;
}
this.canvasSize = new Cairo.PointD(this.drawingArea.Allocation.Width, this.drawingArea.Allocation.Height);
var image = imageViewWidget.Image;
bool redrawOverlay =
this.canvasSize.X != this.lastCanvasSize.X ||
this.canvasSize.Y != this.lastCanvasSize.Y ||
image != this.lastImage ||
image.NeedsOverlayRedrawn;
if (redrawOverlay)
{
var overlaySurface = new Cairo.ImageSurface(Cairo.Format.ARGB32, (int)this.canvasSize.X, (int)this.canvasSize.Y);
var overlayCr = new Cairo.Context(overlaySurface);
this.RedrawOverlay(overlayCr, image);
overlayCr.Dispose();
if (this.overlaySurface != null)
{
this.overlaySurface.Dispose();
}
this.overlaySurface = overlaySurface;
image.NeedsOverlayRedrawn = false;
}
args.Cr.SetSourceSurface(this.overlaySurface, 0, 0);
args.Cr.PaintWithAlpha(this.currentFadeOpacity);
this.lastCanvasSize = this.canvasSize;
this.lastImage = image;
}
public unsafe static Gdk.Pixbuf ToPixbuf(this Cairo.ImageSurface surfSource)
{
Cairo.ImageSurface surf = surfSource.Clone();
surf.Flush();
ColorBgra *dstPtr = (ColorBgra *)surf.DataPtr;
int len = surf.Data.Length / 4;
for (int i = 0; i < len; i++)
{
if (dstPtr->A != 0)
{
*dstPtr = (ColorBgra.FromBgra(dstPtr->R, dstPtr->G, dstPtr->B, dstPtr->A));
}
dstPtr++;
}
Gdk.Pixbuf pb = new Gdk.Pixbuf(surf.Data, true, 8, surf.Width, surf.Height, surf.Stride);
(surf as IDisposable).Dispose();
return(pb);
}
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();
}
public void HandleExport(object o, EventArgs ev)
{
FileChooserDialog chooser = new FileChooserDialog(
"Export Handwriting to PNG", null, FileChooserAction.Save);
chooser.SetCurrentFolder(Environment.GetFolderPath(
Environment.SpecialFolder.Personal));
chooser.AddButton(Gtk.Stock.Cancel, ResponseType.Cancel);
chooser.AddButton(Gtk.Stock.Ok, ResponseType.Ok);
chooser.DefaultResponse = ResponseType.Ok;
if (chooser.Run() == (int)ResponseType.Ok)
{
string path = (new Uri(chooser.Uri)).AbsolutePath;
Cairo.ImageSurface surface = new Cairo.ImageSurface(Cairo.Format.ARGB32,
handwriting.Allocation.Width, handwriting.Allocation.Height);
handwriting.DrawToSurface(surface, handwriting.Allocation);
Console.WriteLine("PNG saved to {0}", path);
surface.WriteToPng(path);
}
chooser.Destroy();
}
public void GenerateImage()
{
UnrotatedRect = Parts.getRotationRect();
using (var surf = new Cairo.ImageSurface(Format.ARGB32, UnrotatedRect.Width, UnrotatedRect.Height))
{
using (var cr = new Context(surf))
{
//Clear
if (Debug)
{
cr.SetSourceColor(new Cairo.Color(0, 0.9, 0));
cr.Rectangle(0, 0, UnrotatedRect.Width, UnrotatedRect.Height);
cr.Fill();
}
else
{
cr.Operator = Operator.Clear;
cr.Paint();
cr.Operator = Operator.Over;
}
foreach (var part in Parts)
{
if (part.Rotate)
{
//Draw image
part.draw(cr);
}
}
if (Debug)
{
cr.LineWidth = 5;
cr.SetSourceRGBA(1, 0, 0, 1);
cr.Translate(DebugPoint.X, DebugPoint.Y);
cr.Arc(0, 0, 2, 0, Math.PI * 2);
cr.StrokePreserve();
}
}
//surf.WriteToPng ("test.png");
//var angle = 0;
var oldRotatedRect = RotatedRect;
RotatedRect = Helper.RotateRect(UnrotatedRect, RotationCenterZero, Angle);
//Rotate
var surf2 = new Cairo.ImageSurface(Format.ARGB32, RotatedRect.Width, RotatedRect.Height);
using (var cr = new Context(surf2))
{
cr.Operator = Operator.Clear;
cr.Paint();
cr.Operator = Operator.Over;
cr.Translate(-RotatedRect.X, -RotatedRect.Y);
cr.Rotate(Angle);
//var pp = funcs.rotatePoint (rotationRect.Location, new POINT (0, 0), angle);
using (var pat2 = new SurfacePattern(surf))
{
//pat2.Matrix = new Matrix (){ X0 = -rr.X, Y0 = -rr.Y };
cr.SetSource(pat2);
//cr.Translate (100, 100);
cr.Paint();
}
//Debug
if (true)
{
cr.Matrix = new Matrix();
if (DebugText != null)
{
//cr.Operator=Operator.Source;
cr.SetSourceRGBA(0, 1, 0, 1);
cr.SelectFontFace("Arial", FontSlant.Normal, FontWeight.Normal);
cr.SetFontSize(20);
cr.MoveTo(20, 20);
cr.ShowText(DebugText);
cr.Fill();
}
}
foreach (var part in Parts)
{
if (!part.Rotate)
{
cr.Matrix = new Matrix();
var c = new POINT(PartBottom.Rect.Location.X + DisplayCenterOffset.X, PartBottom.Rect.Location.Y + DisplayCenterOffset.Y);
part.Rect.X = c.X;
part.Rect.Y = c.Y;
var p = ImagePosToRotatedPos(part.Rect.Location);
p.X -= part.Rect.Width / 2;
p.Y -= part.Rect.Height / 2;
//Draw image
using (var pat = new SurfacePattern(part.Image))
{
pat.Matrix = new Matrix()
{
X0 = -p.X, Y0 = -p.Y
};
//pat.Matrix = pat.Matrix;
cr.SetSource(pat);
cr.Rectangle(new Cairo.Rectangle(p.X, p.Y, part.Rect.Width, part.Rect.Height));
cr.Fill();
cr.SetSourceRGBA(0, 0, 0, 1);
cr.SelectFontFace("Arial", FontSlant.Normal, FontWeight.Normal);
cr.SetFontSize(10);
cr.MoveTo(p.X + 12, p.Y + 27.2);
var text = Distance.ToString();
cr.ShowText(text);
var deg = Math.Round(Helper.RadToDeg(Angle));
if (deg % 45 != 0)
{
cr.MoveTo(p.X + 14, p.Y + 40.2);
text = deg.ToString() + "°";
cr.ShowText(text);
}
cr.Fill();
}
}
}
/*
* cr.Matrix = new Matrix ();
* var pos = ImagePosToRotatedPos (part2.rect.Location);
* //cr.Translate (pos.X, pos.Y);
*
* cr.SetSourceRGBA (0, 1, 0, 1);
* cr.SelectFontFace ("Arial", FontSlant.Normal, FontWeight.Normal);
* cr.SetFontSize (10);
* cr.MoveTo (pos.X, pos.Y);
* cr.ShowText ("aaaa");
* cr.Fill ();
*/
}
//surf2.WriteToPng ("test2.png");
if (Image != null)
{
Image.Dispose();
}
Image = surf2;
}
}
public static Gdk.Pixbuf GetAsPixbuf(this Cairo.ImageSurface aSurface)
{
Gdk.Pixbuf px = BasicUtilities.CairoConvertToPixbuf(aSurface);
return(px);
}
protected override void onDraw(Cairo.Context gr)
{
base.onDraw(gr);
Rectangle cb = new Rectangle(0, 0, designWidth, designHeight); // ClientRectangle;
gr.Save();
double z = zoom / 100.0;
gr.Scale(z, z);
if (drawGrid)
{
double gridLineWidth = 0.2 / z;
double glhw = gridLineWidth / 2.0;
int nbLines = cb.Width / gridSpacing;
double d = cb.Left + gridSpacing;
for (int i = 0; i < nbLines; i++)
{
gr.MoveTo(d - glhw, cb.Y);
gr.LineTo(d - glhw, cb.Bottom);
d += gridSpacing;
}
nbLines = cb.Height / gridSpacing;
d = cb.Top + gridSpacing;
for (int i = 0; i < nbLines; i++)
{
gr.MoveTo(cb.X, d - glhw);
gr.LineTo(cb.Right, d - glhw);
d += gridSpacing;
}
gr.LineWidth = gridLineWidth;
Foreground.SetAsSource(gr, cb);
gr.Stroke();
}
lock (imlVE.RenderMutex) {
using (Cairo.Surface surf = new Cairo.ImageSurface(imlVE.bmp, Cairo.Format.Argb32,
imlVE.ClientRectangle.Width, imlVE.ClientRectangle.Height, imlVE.ClientRectangle.Width * 4)) {
gr.SetSourceSurface(surf, cb.Left, cb.Top);
gr.Paint();
}
imlVE.IsDirty = false;
}
if (Error == null)
{
gr.SetSourceColor(Color.Black);
gr.Rectangle(cb, 1.0 / z);
}
else
{
gr.SetSourceColor(Color.LavenderBlush);
gr.Rectangle(cb, 2.0 / z);
string[] lerrs = Error.ToString().Split('\n');
Point p = cb.Center;
p.Y -= lerrs.Length * 20;
foreach (string le in lerrs)
{
drawCenteredTextLine(gr, p, le);
p.Y += 20;
}
}
gr.Stroke();
Rectangle hr;
if (SelectedItem?.Parent != null)
{
gr.SelectFontFace(Font.Name, Font.Slant, Font.Wheight);
gr.SetFontSize(Font.Size);
gr.FontOptions = Interface.FontRenderingOptions;
gr.Antialias = Interface.Antialias;
GraphicObject g = SelectedItem;
hr = g.ScreenCoordinates(g.getSlot());
// Rectangle rIcons = new Rectangle (iconSize);
// rIcons.Width *= 4;
// rIcons.Top = hr.Bottom;
// rIcons.Left = hr.Right - rIcons.Width + iconSize.Width;
Rectangle rIcoMove = new Rectangle(hr.BottomRight, iconSize);
// Rectangle rIcoStyle = rIcoMove;
// rIcoStyle.Left += iconSize.Width + 4;
using (Surface mask = new ImageSurface(Format.Argb32, cb.Width, cb.Height)) {
using (Context ctx = new Context(mask)) {
ctx.Save();
ctx.SetSourceRGBA(1.0, 1.0, 1.0, 0.4);
ctx.Paint();
ctx.Rectangle(hr);
ctx.Operator = Operator.Clear;
ctx.Fill();
}
gr.SetSourceSurface(mask, 0, 0);
gr.Paint();
using (Surface ol = new ImageSurface(Format.Argb32, cb.Width, cb.Height)) {
using (Context ctx = new Context(ol)) {
ctx.SetSourceColor(Color.Black);
drawDesignOverlay(ctx, g, cb, hr, 0.4 / z, 6.5);
}
gr.SetSourceSurface(ol, 0, 0);
gr.Paint();
}
drawIcon(gr, icoMove, rIcoMove);
//drawIcon (gr, icoStyle, rIcoStyle);
}
}
if (HoverWidget != null)
{
hr = HoverWidget.ScreenCoordinates(HoverWidget.getSlot());
gr.SetSourceColor(Color.SkyBlue);
//gr.SetDash (new double[]{ 5.0, 3.0 }, 0.0);
gr.Rectangle(hr, 0.4 / z);
}
gr.Restore();
}
void UpdateBgImage()
{
m_bgImage = null;
if (TextColumn < 0 || WeightColumn < 0)
{
return;
}
m_bgImage = new Cairo.ImageSurface(Format.Rgb24, Allocation.Width, this.Allocation.Height);
using (var c = new Cairo.Context(m_bgImage))
{
// Paint the default background (linear gradient)
var g = new Cairo.LinearGradient(0, 0, 1, this.Allocation.Height);
g.AddColorStop(0.2, CairoExtensions.GdkColorToCairoColor(m_Background));
g.AddColorStop(0.9, CairoExtensions.GdkColorToCairoColor(this.Style.Background(Gtk.StateType.Normal)));
c.Rectangle(0, 0, this.Allocation.Width, this.Allocation.Height);
c.Pattern = g;
c.Paint();
g.Dispose();
Gtk.TreeIter iter;
List <TreeMapItem> rootItems = new List <TreeMapItem> ();
if (m_Model.GetIterFirst(out iter))
{
do
{
var item = new TreeMapItem(m_Model, ref iter, true, m_TextColumn, m_WeightColumn);
rootItems.Add(item);
} while (m_Model.IterNext(ref iter));
double t = 0.0;
rootItems.ForEach(delegate(TreeMapItem i) {
t += Math.Abs(i.Weight);
});
double x = 0, y = 0, w = this.Allocation.Width, h = this.Allocation.Height;
double myx = 0, myy = 0, myw = 0, myh = 0;
rootItems.ForEach(delegate(TreeMapItem i) {
var ratio = Math.Abs(i.Weight) / t;
myx = x;
myy = y;
myw = w * ratio;
myh = h;
x += myw;
i.SetArea(myx, myy, myw, myh);
i.Render(c, m_Background);
});
// clear right away to lower refs
if (this.m_rootItems != null)
{
this.m_rootItems.Clear();
}
this.m_rootItems = rootItems;
}
}
}
