public static XlibSurface FromBitmap(IntPtr display, IntPtr bitmap, IntPtr screen, int width, int height)
{
IntPtr ptr;
ptr = CairoAPI.cairo_xlib_surface_create_for_bitmap(display, bitmap, screen, width, height);
return(new XlibSurface(ptr, true));
}
public PdfSurface(string filename, double width, double height)
{
surface = CairoAPI.cairo_pdf_surface_create(filename, width, height);
lock (surfaces.SyncRoot){
surfaces [surface] = this;
}
}
public TextExtents TextExtents(string utf8)
{
TextExtents extents = new TextExtents();
CairoAPI.cairo_text_extents(state, utf8, ref extents);
return(extents);
}
public RadialGradient(double cx0, double cy0, double radius0,
double cx1, double cy1, double radius1)
: base()
{
pattern = CairoAPI.cairo_pattern_create_radial(cx0, cy0, radius0,
cx1, cy1, radius1);
}
public static Matrix Multiply(Matrix a, Matrix b)
{
Matrix result = new Matrix();
CairoAPI.cairo_matrix_multiply(result, a, b);
return(result);
}
public Rectangle StrokeExtents()
{
double x1, y1, x2, y2;
CairoAPI.cairo_stroke_extents(state, out x1, out y1, out x2, out y2);
return(new Rectangle(x1, y1, x2, y2));
}
public Rectangle FillExtents()
{
double x1, y1, x2, y2;
CairoAPI.cairo_fill_extents(state, out x1, out y1, out x2, out y2);
return(new Rectangle(x1, y1, x2, y2));
}
public ImageSurface(string filename)
{
surface = CairoAPI.cairo_image_surface_create_from_png(filename);
lock (surfaces.SyncRoot)
{
surfaces[surface] = this;
}
}
public ImageSurface(byte *data, Cairo.Format format, int width, int height, int stride)
{
surface = CairoAPI.cairo_image_surface_create_for_data(data, (int)format, width, height, stride);
lock (surfaces.SyncRoot)
{
surfaces[surface] = this;
}
}
public ImageSurface(Format format, int width, int height)
{
surface = CairoAPI.cairo_image_surface_create(format, width, height);
lock (surfaces.SyncRoot)
{
surfaces[surface] = this;
}
}
public Cairo.Surface CreateSimilar(
Cairo.Content content, int width, int height)
{
IntPtr p = CairoAPI.cairo_surface_create_similar(
this.Handle, content, width, height);
return(new Cairo.Surface(p, true));
}
public XlibSurface(IntPtr display, IntPtr drawable, IntPtr visual, int width, int height)
{
surface = CairoAPI.cairo_xlib_surface_create(display, drawable, visual, width, height);
lock (surfaces.SyncRoot)
{
surfaces[surface] = this;
}
}
public Win32Surface(IntPtr hdc)
{
surface = CairoAPI.cairo_win32_surface_create(hdc);
lock (surfaces.SyncRoot)
{
surfaces[surface] = this;
}
}
public void Merge(FontOptions other)
{
if (other == null)
{
throw new ArgumentNullException("other");
}
CairoAPI.cairo_font_options_merge(handle, other.Handle);
}
public void GlyphPath(Matrix matrix, Glyph[] glyphs)
{
IntPtr ptr;
ptr = FromGlyphToUnManagedMemory(glyphs);
CairoAPI.cairo_glyph_path(state, ptr, glyphs.Length);
Marshal.FreeHGlobal(ptr);
}
public void InitRotate(double radians)
{
/*
* double s, c;
* s = Math.Sin (radians);
* c = Math.Cos (radians);
* this.Init (c, s, -s, c, 0, 0);
*/
CairoAPI.cairo_matrix_init_rotate(this, radians);
}
public SolidPattern(Color color, bool solid)
{
if (solid)
{
pattern = CairoAPI.cairo_pattern_create_rgb(color.R, color.G, color.B);
}
else
{
pattern = CairoAPI.cairo_pattern_create_rgba(color.R, color.G, color.B, color.A);
}
}
protected Surface(IntPtr ptr, bool owns)
{
surface = ptr;
lock (surfaces.SyncRoot)
{
surfaces[ptr] = this;
}
if (!owns)
{
CairoAPI.cairo_surface_reference(ptr);
}
}
protected virtual void Dispose(bool disposing)
{
if (surface == (IntPtr)0)
{
return;
}
lock (surfaces.SyncRoot)
surfaces.Remove(surface);
CairoAPI.cairo_surface_destroy(surface);
surface = (IntPtr)0;
}
protected virtual void Dispose(bool disposing)
{
if (!disposing)
{
//Console.WriteLine ("Cairo.Context: called from thread");
return;
}
if (state == IntPtr.Zero)
{
return;
}
//Console.WriteLine ("Destroying");
CairoAPI.cairo_destroy(state);
state = IntPtr.Zero;
}
public SurfacePattern(Surface surface)
{
pattern = CairoAPI.cairo_pattern_create_for_surface(surface.Handle);
}
public Status AddColorStopRgb(double offset, Cairo.Color c)
{
CairoAPI.cairo_pattern_add_color_stop_rgb(pattern, offset,
c.R, c.G, c.B);
return(Status);
}
public LinearGradient(double x0, double y0, double x1, double y1)
: base()
{
pattern = CairoAPI.cairo_pattern_create_linear(x0, y0, x1, y1);
}
public void Destroy()
{
CairoAPI.cairo_pattern_destroy(pattern);
}
protected void Reference()
{
CairoAPI.cairo_pattern_reference(pattern);
}
public void TextPath(string str)
{
CairoAPI.cairo_text_path(state, str);
}
public void ShowText(string str)
{
CairoAPI.cairo_show_text(state, str);
}
public void ShowPage()
{
CairoAPI.cairo_show_page(state);
}
public void SelectFontFace(string family, FontSlant slant, FontWeight weight)
{
CairoAPI.cairo_select_font_face(state, family, slant, weight);
}
public void CopyPage()
{
CairoAPI.cairo_copy_page(state);
}
