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X11 backend, draw image

This commit is contained in:
Vadim Lopatin 2015-12-01 10:49:32 +03:00
parent 8845f066cb
commit 5176abcaae
1 changed files with 65 additions and 7 deletions
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72
src/dlangui/platforms/x11/x11app.d
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@ -182,12 +182,68 @@ class X11Window : DWindow {
}
/// request window redraw
override void invalidate() {
XEvent ev;
ev.type = Expose;
ev.xexpose.window = _win;
XSendEvent(x11display, _win, false, ExposureMask, &ev);
}
/// close window
override void close() {
}
ColorDrawBuf _drawbuf;
protected void drawUsingBitmap() {
if (_dx > 0 && _dy > 0) {
// prepare drawbuf
if (_drawbuf is null)
_drawbuf = new ColorDrawBuf(_dx, _dy);
else
_drawbuf.resize(_dx, _dy);
_drawbuf.resetClipping();
// draw widgets into buffer
onDraw(_drawbuf);
// draw buffer on X11 window
XImage * image = XCreateImage(x11display,
DefaultVisual(x11display, DefaultScreen(x11display)),
24,
ZPixmap, //XYPixmap,
0,
cast(char*)_drawbuf.scanLine(0),
_drawbuf.width,
_drawbuf.height,
32, 0);
XPutImage(x11display, _win, DefaultGC(x11display, DefaultScreen(x11display)),
image,
0, 0, 0, 0,
_drawbuf.width,
_drawbuf.height);
XFlush(x11display);
//XDestroyImage(image);
// ulong black, white;
// black = BlackPixel(x11display, x11screen); /* get color black */
// white = WhitePixel(x11display, x11screen); /* get color white */
// Pixmap pixmap = XCreatePixmapFromBitmapData(x11display, _win,
// cast(char*)_drawbuf.scanLine(0),
// _drawbuf.width,
// _drawbuf.height,
// black,
// white,
// DefaultDepth(x11display, 0) // depth
// );
// //GC gc = XCreateGC(x11display, pixmap, 0, null);
// XCopyArea(x11display, pixmap, _win,
// _gc, //gc
// 0, 0, _drawbuf.width, _drawbuf.height,
// 0, 0);
//XFlush(x11display);
//XFreePixmap(x11display, pixmap);
}
}
void processExpose(int width, int height) {
// XWindow root_return;
// int x_return, y_return;
@ -209,14 +265,16 @@ class X11Window : DWindow {
ulong black, white;
black = BlackPixel(x11display, x11screen); /* get color black */
white = WhitePixel(x11display, x11screen); /* get color white */
//XSetBackground(x11display, _gc, white);
XSetBackground(x11display, _gc, white);
XClearWindow(x11display, _win);
XSetForeground( x11display, _gc, black );
XFillRectangle(x11display, _win, _gc, 5, 5, _dx - 10, 5);
XFillRectangle(x11display, _win, _gc, 5, _dy - 10, _dx - 10, 5);
XSetForeground ( x11display, _gc, black );
XDrawString ( x11display, _win, _gc, 20, 50,
cast(char*)"First example".ptr, "First example".length );
drawUsingBitmap();
// XSetForeground( x11display, _gc, black );
// XFillRectangle(x11display, _win, _gc, 5, 5, _dx - 10, 5);
// XFillRectangle(x11display, _win, _gc, 5, _dy - 10, _dx - 10, 5);
// XSetForeground ( x11display, _gc, black );
// XDrawString ( x11display, _win, _gc, 20, 50,
// cast(char*)"First example".ptr, "First example".length );
//XFreeGC ( x11display, gc );
XFlush(x11display);
}