Changeset 173 in Sophya for trunk/SophyaPI/PI/piwdgx.cc

Timestamp:

Dec 22, 1998, 5:19:22 PM (27 years ago)

Author:

ercodmgr

Message:

Ajout classe PIGraphicBuffer Reza 22/12/98

File:

• trunk/SophyaPI/PI/piwdgx.cc (modified) (4 diffs)

trunk/SophyaPI/PI/piwdgx.cc

@@ -25 +25 @@
 static SysDWdg  top = NULL;
 static Display * dpy = NULL;
+static GC defgc;
 // static char appname[64];
 static char appclass[64];
@@ -560 +561 @@
 top = XtVaAppInitialize(&appctx, appclass, NULL, 0, &n, ppc, (String*)(fallback_res), NULL);
 #endif
+if (top == NULL) {
+  fprintf(stderr, "PIWdgX::InitXt()/ Error XtVaAppInitialize() -> Exit \n");
+  exit(9);
+  }
 dpy = XtDisplay(top);
+if (dpy == NULL)  {
+  fprintf(stderr, "PIWdgX::InitXt()/ Error XtVaAppInitialize()/DisplayConnection -> Exit \n");
+  exit(9);
+  }
+
+/*  le GC pour les XCopyArea */
+XGCValues  xgv;
+xgv.function = GXcopy;
+xgv.plane_mask = ~0;
+defgc = XCreateGC (dpy, DefaultRootWindow(dpy), GCFunction | GCPlaneMask, &xgv); 
 
 // On va recuperer la fonte par defaut des composantes Motif
@@ -736 +751 @@
 #endif
 return;
+}
+
+//  Copie depuis un PIWdgGen
+void PIWdgX::CopyFrom(PIWdgGen* wdg, int ox, int oy, int dx, int dy, int x, int y)
+{
+PIWdgX* wx = (PIWdgX*)wdg;
+XCopyArea(XtDisplay(XtWdg()), XtWindow(wx->XtWdg()), XtWindow(XtWdg()), defgc, ox, oy, 
+          (unsigned int)dx, (unsigned int)dy, x, y);
 }
 
@@ -974 +997 @@
 return;
 }
+
+
+// -------- La classe PIGraphicBuffer ----------
+/* --Methode-- */
+PIGraphicBuffer::PIGraphicBuffer(int sx, int sy)
+{
+if (sx < 1) sx = 1;
+if (sy < 1) sy = 1;
+mSx = sx;  mSy = sy;
+Display * dsx = PIXDisplay();
+Window rw = DefaultRootWindow(dsx);
+xGrbuff = XCreatePixmap(dsx, rw, sx, sy, DefaultDepth(dsx, DefaultScreen(dsx)) );
+}
+/* --Methode-- */
+PIGraphicBuffer::~PIGraphicBuffer()
+{
+XFreePixmap(PIXDisplay(),xGrbuff); 
+}
+
+/* --Methode-- */
+int PIGraphicBuffer::XSize()
+{
+return(mSx);
+}
+
+/* --Methode-- */
+int PIGraphicBuffer::YSize()
+{
+return(mSx);
+}
+
+/* --Methode-- */
+void PIGraphicBuffer::CopyFromWdg(PIWdg* wdg, int ox, int oy, int dx, int dy, int x, int y)
+{
+XCopyArea(XtDisplay(wdg->XtWdg()), XtWindow(wdg->XtWdg()), XGrBuffer(), defgc, ox, oy, 
+          (unsigned int)dx, (unsigned int)dy, x, y);
+}
+
+/* --Methode-- */
+void PIGraphicBuffer::CopyToWdg(PIWdg* wdg, int ox, int oy, int dx, int dy, int x, int y)
+{
+XCopyArea(XtDisplay(wdg->XtWdg()), XGrBuffer(), XtWindow(wdg->XtWdg()), defgc, ox, oy, 
+          (unsigned int)dx, (unsigned int)dy, x, y);
+}
+
+/* --Methode-- */
+void PIGraphicBuffer::CopyFrom(PIGraphicBuffer* grb, int ox, int oy, int dx, int dy, int x, int y)
+{
+
+XCopyArea(PIXDisplay(), grb->XGrBuffer(), XGrBuffer(), defgc, ox, oy, 
+          (unsigned int)dx, (unsigned int)dy, x, y);
+}