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* Functions.cs: Added a number of missing methods relating to

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XWMHints, images, pixmaps and root windows.
Implemented Create[Mask|Pixmap]FromImage methods.

* Structs.cs: Added ImageFormat enum.
This commit is contained in:
the_fiddler 2009-10-19 10:41:41 +00:00
parent 80350e41d1
commit a05d06b2d8
2 changed files with 122 additions and 4 deletions
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120
Source/OpenTK/Platform/X11/Functions.cs
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@ -71,6 +71,10 @@ namespace OpenTK.Platform.X11
#endregion
#region Structs
#endregion
internal static partial class Functions
{
public static readonly object Lock = new object();
@ -269,7 +273,7 @@ namespace OpenTK.Platform.X11
// Drawing
[DllImport("libX11", EntryPoint = "XCreateGC")]
public extern static IntPtr XCreateGC(IntPtr display, IntPtr window, IntPtr valuemask, ref XGCValues values);
public extern static IntPtr XCreateGC(IntPtr display, IntPtr window, IntPtr valuemask, XGCValues[] values);
[DllImport("libX11", EntryPoint = "XFreeGC")]
public extern static int XFreeGC(IntPtr display, IntPtr gc);
@ -347,7 +351,7 @@ namespace OpenTK.Platform.X11
public extern static void XUngrabServer(IntPtr display);
[DllImport("libX11", EntryPoint = "XGetWMNormalHints")]
public extern static void XGetWMNormalHints(IntPtr display, IntPtr window, ref XSizeHints hints, out IntPtr supplied_return);
public extern static int XGetWMNormalHints(IntPtr display, IntPtr window, ref XSizeHints hints, out IntPtr supplied_return);
[DllImport("libX11", EntryPoint = "XSetWMNormalHints")]
public extern static void XSetWMNormalHints(IntPtr display, IntPtr window, ref XSizeHints hints);
@ -355,8 +359,14 @@ namespace OpenTK.Platform.X11
[DllImport("libX11", EntryPoint = "XSetZoomHints")]
public extern static void XSetZoomHints(IntPtr display, IntPtr window, ref XSizeHints hints);
[DllImport("libX11", EntryPoint = "XSetWMHints")]
public extern static void XSetWMHints(IntPtr display, IntPtr window, ref XWMHints wmhints);
[DllImport("libX11")]
public static extern IntPtr XGetWMHints(Display display, Window w); // returns XWMHints*
[DllImport("libX11")]
public static extern void XSetWMHints(Display display, Window w, ref XWMHints wmhints);
[DllImport("libX11")]
public static extern IntPtr XAllocWMHints();
[DllImport("libX11", EntryPoint = "XGetIconSizes")]
public extern static int XGetIconSizes(IntPtr display, IntPtr window, out IntPtr size_list, out int count);
@ -436,6 +446,28 @@ namespace OpenTK.Platform.X11
[DllImport("libX11")]
public static extern void XAutoRepeatOn(IntPtr display);
[DllImport("libX11")]
public static extern IntPtr XDefaultRootWindow(IntPtr display);
[DllImport("libX11")]
public static extern int XBitmapBitOrder(Display display);
[DllImport("libX11")]
public static extern IntPtr XCreateImage(Display display, IntPtr visual,
uint depth, ImageFormat format, int offset, byte[] data, uint width, uint height,
int bitmap_pad, int bytes_per_line);
[DllImport("libX11")]
public static extern IntPtr XCreateImage(Display display, IntPtr visual,
uint depth, ImageFormat format, int offset, IntPtr data, uint width, uint height,
int bitmap_pad, int bytes_per_line);
[DllImport("libX11")]
public static extern void XPutImage(Display display, IntPtr drawable,
IntPtr gc, IntPtr image, int src_x, int src_y, int dest_x, int dest_y, uint width, uint height);
static readonly IntPtr CopyFromParent = IntPtr.Zero;
public static void SendNetWMMessage(X11WindowInfo window, IntPtr message_type, IntPtr l0, IntPtr l1, IntPtr l2)
{
XEvent xev;
@ -472,5 +504,85 @@ namespace OpenTK.Platform.X11
XSendEvent(window.Display, window.WindowHandle, false, new IntPtr((int)EventMask.NoEventMask), ref xev);
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct Pixel
{
public byte A, R, G, B;
public Pixel(byte a, byte r, byte g, byte b)
{
A= a;
R = r;
G = g;
B = b;
}
public static implicit operator Pixel(int argb)
{
return new Pixel(
(byte)((argb >> 24) & 0xFF),
(byte)((argb >> 16) & 0xFF),
(byte)((argb >> 8) & 0xFF),
(byte)(argb & 0xFF));
}
}
public static IntPtr CreatePixmapFromImage(Display display, System.Drawing.Bitmap image)
{
int width = image.Width;
int height = image.Height;
int size = width * height;
//Pixel[] data = new byte[size * 4];
int index = 0;
// for (int y = 0; y < height; ++y)
// {
// for (int x = 0; x < width; ++x)
// {
// data[index++] = image.GetPixel(x, y).ToArgb();
// }
// }
System.Drawing.Imaging.BitmapData data = image.LockBits(new System.Drawing.Rectangle(0, 0, width, height),
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
IntPtr ximage = XCreateImage(display, CopyFromParent, 24, ImageFormat.ZPixmap,
0, data.Scan0, (uint)width, (uint)height, 32, 0);
IntPtr pixmap = XCreatePixmap(display, XDefaultRootWindow(display),
width, height, 24);
IntPtr gc = XCreateGC(display, pixmap, IntPtr.Zero, null);
XPutImage(display, pixmap, gc, ximage, 0, 0, 0, 0, (uint)width, (uint)height);
XFreeGC(display, gc);
image.UnlockBits(data);
return pixmap;
}
public static IntPtr CreateMaskFromImage(Display display, System.Drawing.Bitmap image)
{
int width = image.Width;
int height = image.Height;
int stride = (width + 7) >> 3;
byte[] mask = new byte[stride * height];
bool msbfirst = (XBitmapBitOrder(display) == 1); // 1 = MSBFirst
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
byte bit = (byte) (1 << (msbfirst ? (7 - (x & 7)) : (x & 7)));
int offset = y * stride + (x >> 3);
if (image.GetPixel(x, y).A >= 128)
mask[offset] |= bit;
}
}
Pixmap pixmap = XCreatePixmapFromBitmapData(display, XDefaultRootWindow(display),
mask, width, height, new IntPtr(1), IntPtr.Zero, 1);
return pixmap;
}
}
}

6
Source/OpenTK/Platform/X11/Structs.cs
View file

@ -1617,4 +1617,10 @@ namespace OpenTK.Platform.X11
UnregisterAccelerator = 13,
ActivateAccelerator = 14
}
internal enum ImageFormat
{
XYPixmap = 1,
ZPixmap
}
}