void SetViewPort (int X1,int Y1,int X2,int Y2, int Clip)
{
Ox = X1;
Oy = Y1;
vp.x1=X1;
vp.y1=Y1;
vp.x2=X2;
vp.y2=Y2;
vp.clip=Clip;
if (Clip) {
XRectangle xr;
xr.x=X1;
xr.y=Y1;
xr.width=X2-X1+1;
xr.height=Y2-Y1+1;
XSetClipRectangles(dpy, gc, 0, 0, &xr, 1, Unsorted);
XSetClipRectangles(dpy, gcfill, 0, 0, &xr, 1, Unsorted);
XSetClipRectangles(dpy, gcpixel, 0, 0, &xr, 1, Unsorted);
} else {
XSetClipMask(dpy, gc, None);
XSetClipMask(dpy, gcfill, None);
XSetClipMask(dpy, gcpixel, None);
}
}
void Painter::Clip(
Canvas* c, IntCoord left, IntCoord bottom, IntCoord right, IntCoord top
) {
XRectangle& r = rep->xclip[0];
IntCoord x, y;
XDisplay* d = rep->display->rep()->display_;
if (left > right) {
x = right; r.width = left - right + 1;
} else {
x = left; r.width = right - left + 1;
}
if (bottom > top) {
y = bottom; r.height = bottom - top + 1;
} else {
y = top; r.height = top - bottom + 1;
}
r.x = x;
r.y = c->pheight() - 1 - y;
if (r.x == 0 && r.y == 0 &&
r.width == c->pwidth() && r.height == c->pheight()
) {
/* clipping to entire canvas is equivalent to no clipping at all */
NoClip();
} else {
rep->clipped = true;
XSetClipRectangles(d, rep->fillgc, 0, 0, rep->xclip, 1, Unsorted);
XSetClipRectangles(d, rep->dashgc, 0, 0, rep->xclip, 1, Unsorted);
}
}
/**********************************************************************
* XG_SETCLIP
* - sets clipping mask for all gc's
**********************************************************************/
void xg_setclip(void *xgid, int x, int y, int width, int height) {
struct xg_graphic *graphic;
XRectangle rectangle[1];
/* set up rectangle */
rectangle[0].x = x;
rectangle[0].y = y;
rectangle[0].width = width;
rectangle[0].height = height;
/* set clip rectangle */
graphic = (struct xg_graphic *)xgid;
XSetClipRectangles(graphic->dpy, graphic->gc_solid, 0, 0, rectangle, 1, Unsorted);
XSetClipRectangles(graphic->dpy, graphic->gc_dash, 0, 0, rectangle, 1, Unsorted);
}
/*
* GCs are all for same screen, and depth is either 1 or screen depth.
* Return a GC for the depth of b, with values as specified by gcv.
*
* Also, set (or unset) the clip rectangle if necessary.
* (This implementation should be improved if setting a clip rectangle is not rare).
*/
GC
_getgc(Bitmap *b, uint64_t gcvm, XGCValues *pgcv)
{
static GC gc0, gcn;
static bool clipset = false;
GC g;
XRectangle xr;
g = (b->ldepth==0)? gc0 : gcn;
if(!g){
g = XCreateGC(_dpy, (Drawable)b->id, gcvm, pgcv);
if(b->ldepth==0)
gc0 = g;
else
gcn = g;
} else
XChangeGC(_dpy, g, gcvm, pgcv);
if(b->flag&CLIP){
xr.x = b->clipr.min.x;
xr.y = b->clipr.min.y;
xr.width = Dx(b->clipr);
xr.height = Dy(b->clipr);
if(b->flag&SHIFT){
xr.x -= b->r.min.x;
xr.y -= b->r.min.y;
}
XSetClipRectangles(_dpy, g, 0, 0, &xr, 1, YXBanded);
clipset = true;
}else if(clipset){
pgcv->clip_mask = None;
XChangeGC(_dpy, g, GCClipMask, pgcv);
clipset = false;
}
return g;
}
void QX11WindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
if (d_ptr->device.isNull())
return;
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
QRegion wrgn(rgn);
QRect br = rgn.boundingRect();
if (!wOffset.isNull())
wrgn.translate(-wOffset);
QRect wbr = wrgn.boundingRect();
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
if (num <= 0)
return;
// qDebug() << "XSetClipRectangles";
// for (int i = 0; i < num; ++i)
// qDebug() << ' ' << i << rects[i].x << rects[i].x << rects[i].y << rects[i].width << rects[i].height;
if (num != 1)
XSetClipRectangles(X11->display, gc, 0, 0, rects, num, YXBanded);
XCopyArea(X11->display, d_ptr->device.handle(), widget->handle(), gc,
br.x() + offset.x(), br.y() + offset.y(), br.width(), br.height(), wbr.x(), wbr.y());
if (num != 1)
XSetClipMask(X11->display, gc, XNone);
}
// This can be improved by collecting the dirty regions and painting
// when the event loop goes idle
void pxWindowNative::invalidateRectInternal(pxRect *r)
{
Display* display = mDisplayRef.getDisplay();
GC gc=XCreateGC(display, win, 0, NULL);
pxSurfaceNativeDesc d;
d.display = display;
d.drawable = win;
d.gc = gc;
if (r)
{
// Set up clip area
XRectangle xr;
xr.x = r->left();
xr.y = r->top();
xr.width = r->width();
xr.height = r->height();
XSetClipRectangles(display, gc, 0, 0, &xr, 1, Unsorted);
}
onDraw(&d);
XFreeGC(display, gc);
}
static PyObject *
PaxGC_SetClipRectangles(PaxGCObject *self, PyObject*args)
{
int arg1;
int arg2;
PyObject *arg3; XRectangle *rects_arg3; int nrects_arg3;
int arg4;
if (self->shared) {
PyErr_SetString(PyExc_TypeError, "can't modify shared GC");
return NULL;
}
if (!PyArg_ParseTuple(args, "iiOi",
&arg1,
&arg2,
&arg3,
&arg4))
return NULL;
if (!checkshortlist(4, arg3, (short**)&rects_arg3, &nrects_arg3)) {
if (!PyErr_Occurred())
PyErr_SetString(PyExc_TypeError, "arg3 should be XRectangle[]");
return NULL;
}
XSetClipRectangles(self->display, self->gc,
arg1,
arg2,
rects_arg3, nrects_arg3,
arg4);
PyMem_Free(rects_arg3);
Py_INCREF(Py_None);
return Py_None;
}
void QX11WindowSurface::setGeometry(const QRect &rect)
{
QWindowSurface::setGeometry(rect);
const QSize size = rect.size();
if (d_ptr->device.size() == size || size.width() <= 0 || size.height() <= 0)
return;
#ifndef QT_NO_XRENDER
if (d_ptr->translucentBackground) {
QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
data->xinfo = d_ptr->widget->x11Info();
data->resize(size.width(), size.height());
d_ptr->device = QPixmap(data);
} else
#endif
{
QPixmap::x11SetDefaultScreen(d_ptr->widget->x11Info().screen());
QX11PixmapData *oldData = static_cast<QX11PixmapData *>(d_ptr->device.pixmapData());
if (oldData && !(oldData->flags & QX11PixmapData::Uninitialized) && hasStaticContents()) {
// Copy the content of the old pixmap into the new one.
QX11PixmapData *newData = new QX11PixmapData(QPixmapData::PixmapType);
newData->resize(size.width(), size.height());
Q_ASSERT(oldData->d == newData->d);
QRegion staticRegion(staticContents());
// Make sure we're inside the boundaries of the old pixmap.
staticRegion &= QRect(0, 0, oldData->w, oldData->h);
const QRect boundingRect(staticRegion.boundingRect());
const int dx = boundingRect.x();
const int dy = boundingRect.y();
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(staticRegion, num);
GC tmpGc = XCreateGC(X11->display, oldData->hd, 0, 0);
XSetClipRectangles(X11->display, tmpGc, 0, 0, rects, num, YXBanded);
XCopyArea(X11->display, oldData->hd, newData->hd, tmpGc,
dx, dy, qMin(boundingRect.width(), size.width()),
qMin(boundingRect.height(), size.height()), dx, dy);
XFreeGC(X11->display, tmpGc);
newData->flags &= ~QX11PixmapData::Uninitialized;
d_ptr->device = QPixmap(newData);
} else {
d_ptr->device = QPixmap(size);
}
}
if (gc) {
XFreeGC(X11->display, gc);
gc = 0;
}
if (!d_ptr->device.isNull()) {
gc = XCreateGC(X11->display, d_ptr->device.handle(), 0, 0);
XSetGraphicsExposures(X11->display, gc, False);
}
}
void iupDrawSetClipRect(IdrawCanvas* dc, int x1, int y1, int x2, int y2)
{
XRectangle rect;
rect.x = (short)x1;
rect.y = (short)y1;
rect.width = (unsigned short)(x2-x1+1);
rect.height = (unsigned short)(y2-y1+1);
XSetClipRectangles(iupmot_display, dc->pixmap_gc, 0, 0, &rect, 1, Unsorted);
}
void sg_setClip(int x1,int y1,int x2,int y2)
{
XRectangle rects;
rects.x=x1;
rects.y=y1;
rects.width=x2-x1+1;
rects.height=y2-y1+1;
XSetClipRectangles(display,gc,0,0,&rects,1,Unsorted);
}
static void clip(int xmin, int ymin, int xmax, int ymax)
{
rect.x = xmin;
rect.y = ymin;
rect.width = xmax - xmin;
rect.height = ymax - ymin;
XSetClipRectangles(display, gc, 0, 0, &rect, 1, Unsorted);
}
static void
XawMultiSinkResize(Widget w)
{
TextWidget ctx = (TextWidget)XtParent(w);
MultiSinkObject sink = (MultiSinkObject)w;
XRectangle rect;
int width, height;
if (w->core.widget_class != multiSinkObjectClass)
return;
rect.x = ctx->text.r_margin.left;
rect.y = ctx->text.r_margin.top;
width = (int)XtWidth(ctx) -
(int)ctx->text.r_margin.right - (int)ctx->text.r_margin.left;
height = (int)XtHeight(ctx) -
(int)ctx->text.r_margin.top - (int)ctx->text.r_margin.bottom;
rect.width = width;
rect.height = height;
if (sink->multi_sink.normgc) {
if (width >= 0 && height >= 0)
XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.normgc,
0, 0, &rect, 1, Unsorted);
else
XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.normgc, None);
}
if (sink->multi_sink.invgc) {
if (width >= 0 && height >= 0)
XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.invgc,
0, 0, &rect, 1, Unsorted);
else
XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.invgc, None);
}
if (sink->multi_sink.xorgc) {
if (width >= 0 && height >= 0)
XSetClipRectangles(XtDisplay((Widget)ctx), sink->multi_sink.xorgc,
0, 0, &rect, 1, Unsorted);
else
XSetClipMask(XtDisplay((Widget)ctx), sink->multi_sink.xorgc, None);
}
}
static PetscErrorCode PetscDrawSetViewport_X(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr)
{
PetscDraw_X* XiWin = (PetscDraw_X*)draw->data;
XRectangle box;
PetscFunctionBegin;
box.x = (int)(xl*XiWin->w); box.y = (int)((1.0-yr)*XiWin->h);
box.width = (int)((xr-xl)*XiWin->w);box.height = (int)((yr-yl)*XiWin->h);
XSetClipRectangles(XiWin->disp,XiWin->gc.set,0,0,&box,1,Unsorted);
PetscFunctionReturn(0);
}
static void
surface_scissor(XSurface *surf, float x, float y, float w, float h)
{
XRectangle clip_rect;
clip_rect.x = (short)(x - 1);
clip_rect.y = (short)(y - 1);
clip_rect.width = (unsigned short)(w + 2);
clip_rect.height = (unsigned short)(h + 2);
clip_rect.width = (unsigned short)MIN(surf->w, clip_rect.width);
clip_rect.height = (unsigned short)MIN(surf->h, clip_rect.height);
XSetClipRectangles(surf->dpy, surf->gc, 0, 0, &clip_rect, 1, Unsorted);
}
void MSToggleButtonBase::configure(void)
{
int Xoffset=highlightThickness()+shadowThickness()+margin()+textHeight()+spacing();
int Yoffset=highlightThickness()+shadowThickness()+margin();
XRectangle clipRect[1];
clipRect[0].x=0;
clipRect[0].y=0;
clipRect[0].width=drawWidth();
clipRect[0].height=drawHeight();
XSetClipRectangles(display(),textGC(),Xoffset,Yoffset,&clipRect[0],1,Unsorted);
redraw();
}
void
JXGC::SetClipRect
(
const JRect& clipRect
)
{
ClearPrivateClipping();
XRectangle xrect = JXJToXRect(clipRect);
itsClipRegion = JXRectangleRegion(&xrect);
itsClipOffset = JPoint(0,0);
XSetClipRectangles(*itsDisplay, itsXGC, 0,0, &xrect, 1, Unsorted);
}
void draw_text_box(char *txt,int w,int h,int x,int y,rgb c1,rgb c2){
long t0=get_msec(),t1;
int txt_w=0;
txt_w=XTextWidth(sfont,txt,strlen(txt));
int xpos=0;
int paddingX=w*0.1;
int innerW=w*0.8;
int innerH=h*0.8;
if( txt_w <= innerW ) {
xpos=(innerW-txt_w)/2;
}else{
xpos=0;
}
XRectangle rects[]={ {0,0,w+1,h+1} };
XSetClipRectangles(dpy,gc,x,y,rects,1,Unsorted);
XColor fg=_rgb2XColor(c1.r,c1.g,c1.b);
XColor bg=_rgb2XColor(c2.r,c2.g,c2.b);
XColor white=_rgb2XColor(255,255,255);
assert(txt);
int x0,y0,w0,h0;
/* GC fg_gc=XCreateGC(dpy,d,0,0);
GC bg_gc=XCreateGC(dpy,d,0,0);
GC white_gc=XCreateGC(dpy,d,0,0);
*/
d=double_buffer;
XAllocColor(dpy,attr.colormap,&white);
XAllocColor(dpy,attr.colormap,&bg);
XSetForeground(dpy,gc,bg.pixel);
XSetFillStyle(dpy,gc,FillSolid);
XFillRectangle(dpy,d,gc,x,y,w,h);
XSetForeground(dpy,gc,white.pixel);
XSetBackground(dpy,gc,white.pixel);
XDrawRectangle(dpy,d,gc,x,y,w,h);
XSetForeground(dpy,gc,white.pixel);
XDrawString(dpy,d,gc,x+paddingX+xpos,y+((h-10)/2),txt,strlen(txt));
}
/* ClipToShadowInteriorAndLongest()
*
* Converts the passed gc so that any drawing done with that GC will not
* write in the empty margin (specified by internal_width/height) (which also
* prevents erasing the shadow. It also clips against the value longest.
* If the user doesn't set longest, this has no effect (as longest is the
* maximum of all item lengths). If the user does specify, say, 80 pixel
* columns, though, this prevents items from overwriting other items.
*/
static void
ClipToShadowInteriorAndLongest(ListWidget lw, GC *gc_p, unsigned int x)
{
XRectangle rect;
rect.x = x;
rect.y = lw->list.internal_height;
rect.height = XtHeight(lw) - (lw->list.internal_height << 1);
rect.width = XtWidth(lw) - lw->list.internal_width - x;
if (rect.width > lw->list.longest)
rect.width = lw->list.longest;
XSetClipRectangles(XtDisplay((Widget)lw), *gc_p, 0, 0, &rect, 1, YXBanded);
}
static void
xf_decode_frame(xfInfo * xfi, int x, int y, uint8 * bitmapData, uint32 bitmapDataLength)
{
int i;
int tx, ty;
XImage * image;
RFX_MESSAGE * message;
switch (xfi->codec)
{
case XF_CODEC_REMOTEFX:
message = rfx_process_message((RFX_CONTEXT *) xfi->rfx_context, bitmapData, bitmapDataLength);
/* Clip the updated region based on the union of rects, so that pixels outside of the region will not be drawn. */
XSetFunction(xfi->display, xfi->gc, GXcopy);
XSetFillStyle(xfi->display, xfi->gc, FillSolid);
XSetClipRectangles(xfi->display, xfi->gc, x, y, (XRectangle*)message->rects, message->num_rects, YXBanded);
/* Draw the tiles to backstore, each is 64x64. */
for (i = 0; i < message->num_tiles; i++)
{
image = XCreateImage(xfi->display, xfi->visual, 24, ZPixmap, 0,
(char *) message->tiles[i]->data, 64, 64, 32, 0);
tx = message->tiles[i]->x + x;
ty = message->tiles[i]->y + y;
XPutImage(xfi->display, xfi->backstore, xfi->gc, image, 0, 0, tx, ty, 64, 64);
XFree(image);
}
/* Copy the updated region from backstore to the window. */
for (i = 0; i < message->num_rects; i++)
{
tx = message->rects[i].x + x;
ty = message->rects[i].y + y;
XCopyArea(xfi->display, xfi->backstore, xfi->wnd, xfi->gc_default,
tx, ty, message->rects[i].width, message->rects[i].height, tx, ty);
}
rfx_message_free(xfi->rfx_context, message);
XSetClipMask(xfi->display, xfi->gc, None);
break;
default:
printf("xf_decode_frame: no codec defined.\n");
break;
}
}
int C_StretchBoxProc(ClientData cl, Tcl_Interp *interp, int argc, char **argv)
{
double x2,y2,xtemp2,ytemp2;
Pixmap pm;
XRectangle theClientArea;
Tk_Window tkwin;
WindowType theWindow = theWindowArray[atoi(argv[1])];
tkwin = theWindow->tkwin;
theClientArea.x = 0;
theClientArea.y = 0;
theClientArea.width = Tk_Width(tkwin);
theClientArea.height = Tk_Height(tkwin);
XSetClipRectangles(theDisplay, theWindow->xwingc, 0, 0, &theClientArea,
1, Unsorted);
pm = XCreatePixmap(theDisplay, Tk_WindowId(tkwin), Tk_Width(tkwin),
Tk_Height(tkwin), Tk_Depth(tkwin));
XCopyArea(theDisplay, theWindow->pixmap_buffer, pm, theWindow->xwingc, 0,
0, Tk_Width(tkwin), Tk_Height(tkwin), 0, 0);
x2 = atof(argv[2]);
y2 = atof(argv[3]);
if (Is_X_Log(theWindow)) {
xtemp2 = theWindow->c1 * log10(max(x2, DBL_MIN)) + theWindow->d1;
} else {
xtemp2 = theWindow->c1 * x2 + theWindow->d1;
}
if (Is_Y_Log(theWindow)) {
ytemp2 = theWindow->c2 * log10(max(y2, DBL_MIN)) + theWindow->d2;
} else {
ytemp2 = theWindow->c2 * y2 + theWindow->d2;
}
XSetForeground(theDisplay, theWindow->xwingc, theWhitePixel);
XDrawRectangle(theDisplay, pm, theWindow->xwingc, min(xtemp1,xtemp2),
min(ytemp1,ytemp2), fabs(xtemp2 - xtemp1),
fabs(ytemp2 - ytemp1));
XCopyArea(theDisplay, pm, Tk_WindowId(tkwin), theWindow->xwingc, 0, 0,
Tk_Width(tkwin), Tk_Height(tkwin), 0, 0);
XFlush(theDisplay);
XFreePixmap(theDisplay, pm);
return TCL_OK;
}
void
XmLStringDraw(Widget w,
XmString string,
XmStringDirection stringDir,
XmFontList fontList,
unsigned char alignment,
GC gc,
XRectangle *rect,
XRectangle *clipRect)
{
Display *dpy;
Window win;
Dimension width, height;
int x, y, drawType;
unsigned char strAlignment;
if (!string)
return;
dpy = XtDisplay(w);
win = XtWindow(w);
XmStringExtent(fontList, string, &width, &height);
drawType = XmLDrawCalc(w, width, height, alignment,
rect, clipRect, &x, &y);
if (drawType == XmLDrawNODRAW)
return;
x = rect->x + 2;
if (alignment == XmALIGNMENT_LEFT ||
alignment == XmALIGNMENT_TOP_LEFT ||
alignment == XmALIGNMENT_BOTTOM_LEFT)
strAlignment = XmALIGNMENT_BEGINNING;
else if (alignment == XmALIGNMENT_CENTER ||
alignment == XmALIGNMENT_TOP ||
alignment == XmALIGNMENT_BOTTOM)
if (width <= rect->width - 4)
strAlignment = XmALIGNMENT_CENTER;
else
strAlignment = XmALIGNMENT_BEGINNING;
else
strAlignment = XmALIGNMENT_END;
/* XmStringDraw clipping doesnt work in all cases
so we use a clip region for clipping */
if (drawType == XmLDrawCLIPPED)
XSetClipRectangles(dpy, gc, 0, 0, clipRect, 1, Unsorted);
XmStringDraw(dpy, win, fontList, string, gc,
x, y, rect->width - 4, strAlignment, stringDir, clipRect);
if (drawType == XmLDrawCLIPPED)
XSetClipMask(dpy, gc, None);
}
void Graphics::PrepareGraphicsContext()
{
XRectangle clip;
XSetBackground(this->display, this->gc, this->backgroundColor);
XSetForeground(this->display, this->gc, this->foregroundColor);
XSetFunction(this->display, this->gc, this->drawingMode);
clip.x = (int)this->clipRect.x;
clip.y = (int)this->clipRect.y;
clip.width = (int)this->clipRect.width;
clip.height = (int)this->clipRect.height;
XSetClipRectangles(this->display, this->gc, 0, 0, &clip, 1, Unsorted);
if (this->clipRect.IsEmpty()) {
LOG_PAINT << "Graphics: Clip rect is empty in PrepareGraphicsContext()";
}
}
void QX11WindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
if (d_ptr->device.isNull())
return;
#ifndef Q_FLATTEN_EXPOSE
extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
extern QWidgetData* qt_widget_data(QWidget *);
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
GC gc = XCreateGC(X11->display, d_ptr->device.handle(), 0, 0);
QRegion wrgn(rgn);
QRect br = rgn.boundingRect();
if (!wOffset.isNull())
wrgn.translate(-wOffset);
QRect wbr = wrgn.boundingRect();
// #### why dirty widget here? should be up to date already
// if (br.right() + offset.x() >= d_ptr->device.size().width() || br.bottom() + offset.y() >= d_ptr->device.size().height()) {
// // QRegion dirty = rgn - QRect(-offset, d_ptr->device.size());
// // qDebug() << dirty;
// widget->d_func()->dirtyWidget_sys(rgn - QRect(-offset, d_ptr->device.size()));
// }
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
// qDebug() << "XSetClipRectangles";
// for (int i = 0; i < num; ++i)
// qDebug() << " " << i << rects[i].x << rects[i].x << rects[i].y << rects[i].width << rects[i].height;
XSetClipRectangles(X11->display, gc, 0, 0, rects, num, YXBanded);
#else
Q_UNUSED(rgn);
XGCValues values;
values.subwindow_mode = IncludeInferiors;
GC gc = XCreateGC(X11->display, d_ptr->device.handle(), GCSubwindowMode, &values);
#endif
XSetGraphicsExposures(X11->display, gc, False);
// XFillRectangle(X11->display, widget->handle(), gc, 0, 0, widget->width(), widget->height());
#ifndef Q_FLATTEN_EXPOSE
XCopyArea(X11->display, d_ptr->device.handle(), widget->handle(), gc,
br.x() + offset.x(), br.y() + offset.y(), br.width(), br.height(), wbr.x(), wbr.y());
#else
Q_ASSERT(widget->isWindow());
XCopyArea(X11->display, d_ptr->device.handle(), widget->handle(), gc,
offset.x(), offset.y(), widget->width(), widget->height(), 0, 0);
#endif
XFreeGC(X11->display, gc);
}
void QX11GLWindowSurface::flush(QWidget *widget, const QRegion &widgetRegion, const QPoint &offset)
{
// We don't need to know the widget which initiated the flush. Instead we just use the offset
// to translate the widgetRegion:
Q_UNUSED(widget);
if (m_backBuffer.isNull()) {
qDebug("QX11GLWindowSurface::flush() - backBuffer is null, not flushing anything");
return;
}
Q_ASSERT(window()->size() != m_backBuffer.size());
// Wait for all GL rendering to the back buffer pixmap to complete before trying to
// copy it to the window. We do this by making sure the pixmap's context is current
// and then call eglWaitClient. The EGL 1.4 spec says eglWaitClient doesn't have to
// block, just that "All rendering calls...are guaranteed to be executed before native
// rendering calls". This makes it potentially less expensive than glFinish.
QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.data_ptr().data())->context();
if (QGLContext::currentContext() != ctx && ctx && ctx->isValid())
ctx->makeCurrent();
eglWaitClient();
if (m_windowGC == 0) {
XGCValues attribs;
attribs.graphics_exposures = False;
m_windowGC = XCreateGC(X11->display, m_window->handle(), GCGraphicsExposures, &attribs);
}
int rectCount;
XRectangle *rects = (XRectangle *)qt_getClipRects(widgetRegion, rectCount);
if (rectCount <= 0)
return;
XSetClipRectangles(X11->display, m_windowGC, 0, 0, rects, rectCount, YXBanded);
QRect dirtyRect = widgetRegion.boundingRect().translated(-offset);
XCopyArea(X11->display, m_backBuffer.handle(), m_window->handle(), m_windowGC,
dirtyRect.x(), dirtyRect.y(), dirtyRect.width(), dirtyRect.height(),
dirtyRect.x(), dirtyRect.y());
// Make sure the blit of the update from the back buffer to the window completes
// before allowing rendering to start again to the back buffer. Otherwise the GPU
// might start rendering to the back buffer again while the blit takes place.
eglWaitNative(EGL_CORE_NATIVE_ENGINE);
}
static PetscErrorCode PetscDrawCheckResizedWindow_X(PetscDraw draw)
{
PetscDraw_X *win = (PetscDraw_X*)draw->data;
PetscErrorCode ierr;
int x,y;
PetscMPIInt rank;
Window root;
unsigned int w,h,border,depth,geo[2];
PetscReal xl,xr,yl,yr;
XRectangle box;
PetscFunctionBegin;
if (!win->win) PetscFunctionReturn(0);
ierr = MPI_Comm_rank(((PetscObject)draw)->comm,&rank);CHKERRQ(ierr);
if (!rank) {
XFlush(win->disp);
XSync(win->disp,False);
XSync(win->disp,False);
XGetGeometry(win->disp,win->win,&root,&x,&y,geo,geo+1,&border,&depth);
}
ierr = MPI_Bcast(geo,2,MPI_UNSIGNED,0,((PetscObject)draw)->comm);CHKERRQ(ierr);
w = geo[0];
h = geo[1];
if (w == (unsigned int) win->w && h == (unsigned int) win->h) PetscFunctionReturn(0);
/* record new window sizes */
win->h = h; win->w = w;
/* Free buffer space and create new version (only first processor does this) */
if (win->drw) {
win->drw = XCreatePixmap(win->disp,win->win,win->w,win->h,win->depth);
}
/* reset the clipping */
xl = draw->port_xl; yl = draw->port_yl;
xr = draw->port_xr; yr = draw->port_yr;
box.x = (int)(xl*win->w); box.y = (int)((1.0-yr)*win->h);
box.width = (int)((xr-xl)*win->w);box.height = (int)((yr-yl)*win->h);
XSetClipRectangles(win->disp,win->gc.set,0,0,&box,1,Unsorted);
/* try to make sure it is actually done before passing info to all */
XSync(win->disp,False);
ierr = MPI_Bcast(&win->drw,1,MPI_UNSIGNED_LONG,0,((PetscObject)draw)->comm);CHKERRQ(ierr);
PetscFunctionReturn(0);
}
void xf_gdi_set_bounds(rdpContext* context, rdpBounds* bounds)
{
XRectangle clip;
xfInfo* xfi = ((xfContext*) context)->xfi;
if (bounds != NULL)
{
clip.x = bounds->left;
clip.y = bounds->top;
clip.width = bounds->right - bounds->left + 1;
clip.height = bounds->bottom - bounds->top + 1;
XSetClipRectangles(xfi->display, xfi->gc, 0, 0, &clip, 1, YXBanded);
}
else
{
XSetClipMask(xfi->display, xfi->gc, None);
}
}
void xf_gdi_set_bounds(rdpUpdate* update, BOUNDS* bounds)
{
XRectangle clip;
xfInfo* xfi = GET_XFI(update);
if (bounds != NULL)
{
clip.x = bounds->left;
clip.y = bounds->top;
clip.width = bounds->right - bounds->left + 1;
clip.height = bounds->bottom - bounds->top + 1;
XSetClipRectangles(xfi->display, xfi->gc, 0, 0, &clip, 1, YXBanded);
}
else
{
XSetClipMask(xfi->display, xfi->gc, None);
}
}
void DrawCellule(struct XObj *xobj,int NbCell,int NbVisCell,int HeightCell,int asc)
{
XRectangle r;
char *Title;
int i;
r.x=4+BdWidth;
r.y=r.x;
r.width=xobj->width-r.x-10-2*BdWidth-SbWidth;
r.height=xobj->height-r.y-4-2*BdWidth;
/* Dessin des cellules */
XSetClipRectangles(xobj->display,xobj->gc,0,0,&r,1,Unsorted);
for (i=xobj->value2;i<xobj->value2+NbVisCell;i++)
{
Title=GetMenuTitle(xobj->title,i);
if (strlen(Title)!=0)
if (xobj->value==i)
{
XSetForeground(xobj->display,xobj->gc,xobj->TabColor[shad].pixel);
XFillRectangle(xobj->display,xobj->win,xobj->gc,r.x+2,r.y+(i-xobj->value2)*HeightCell+2,
xobj->width-2,HeightCell-2);
DrawString(xobj->display,xobj->gc,xobj->win,5+r.x,(i-xobj->value2)*HeightCell+asc+2+r.y,Title,
strlen(Title),xobj->TabColor[fore].pixel,xobj->TabColor[back].pixel,
xobj->TabColor[shad].pixel,!xobj->flags[1]);
}
else
{
XSetForeground(xobj->display,xobj->gc,xobj->TabColor[back].pixel);
XFillRectangle(xobj->display,xobj->win,xobj->gc,r.x+2,r.y+(i-xobj->value2)*HeightCell+2,
xobj->width-2,HeightCell-2);
DrawString(xobj->display,xobj->gc,xobj->win,5+r.x,(i-xobj->value2)*HeightCell+asc+2+r.y,Title,
strlen(Title),xobj->TabColor[fore].pixel,xobj->TabColor[li].pixel,
xobj->TabColor[back].pixel,!xobj->flags[1]);
}
else
{
XSetForeground(xobj->display,xobj->gc,xobj->TabColor[back].pixel);
XFillRectangle(xobj->display,xobj->win,xobj->gc,r.x+2,r.y+(i-xobj->value2)*HeightCell+2,
xobj->width-2,HeightCell-2);
}
}
XSetClipMask(xobj->display,xobj->gc,None);
}
/* call higher gr_redraw routine */
static void
redraw(Widget w, XtPointer client_data, XEvent *event, Boolean *continue_dispatch)
{
GRAPH *graph = (GRAPH *) client_data;
XExposeEvent *pev = & event->xexpose;
XEvent ev;
XRectangle rects[30];
int n = 1;
NG_IGNORE(w);
NG_IGNORE(continue_dispatch);
DEVDEP(graph).isopen = 1;
rects[0].x = (Position) pev->x;
rects[0].y = (Position) pev->y;
rects[0].width = (Dimension) pev->width;
rects[0].height = (Dimension) pev->height;
/* XXX */
/* pull out all other expose regions that need to be redrawn */
while (n < 30 && XCheckWindowEvent(display, DEVDEP(graph).window,
ExposureMask, &ev)) {
pev = (XExposeEvent *) &ev;
rects[n].x = (Position) pev->x;
rects[n].y = (Position) pev->y;
rects[n].width = (Dimension) pev->width;
rects[n].height = (Dimension) pev->height;
n++;
}
XSetClipRectangles(display, DEVDEP(graph).gc, 0, 0, rects, n, Unsorted);
noclear = True;
{
GRAPH *tmp = currentgraph;
currentgraph = graph;
gr_redraw(graph);
currentgraph = tmp;
}
noclear = False;
XSetClipMask(display, DEVDEP(graph).gc, None);
}
void QViewport( int left , int top , int right , int bottom )
{
XRectangle r;
ViewLeft = left;
ViewTop = top;
ViewRight = right;
ViewBottom = bottom;
r.x = left;
r.y = top;
r.width = right-left+1;
r.height = bottom-top+1;
XSetClipRectangles(MyDisplay,MyGc,0,0,&r,1,Unsorted);
QAdjustScale();
}