From b7d97c7ed82f0d0472cf0c2ae5d61e99a73b33a8 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Wed, 12 May 2010 20:38:46 +0000
Subject: New Cairo driver

---
 src/cairo/cdcaironative_x11.c | 98 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/cairo/cdcaironative_x11.c

(limited to 'src/cairo/cdcaironative_x11.c')

diff --git a/src/cairo/cdcaironative_x11.c b/src/cairo/cdcaironative_x11.c
new file mode 100644
index 0000000..027de4e
--- /dev/null
+++ b/src/cairo/cdcaironative_x11.c
@@ -0,0 +1,98 @@
+/** \file
+* \brief Cairo Native Window Driver
+*
+* See Copyright Notice in cd.h
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "cdcairoctx.h"
+#include "cdnative.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <cairo-xlib.h>
+
+
+static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
+{
+  cdcairoKillCanvas(ctxcanvas);
+}
+
+int cdactivate(cdCtxCanvas *ctxcanvas)
+{
+  Window root;
+  int x, y;
+  unsigned int bw, d;
+  XGetGeometry(ctxcanvas->dpy, ctxcanvas->wnd, &root, &x, &y,
+               (unsigned int*)&ctxcanvas->canvas->w, (unsigned int*)&ctxcanvas->canvas->h, &bw, &d);
+
+  ctxcanvas->canvas->w_mm = ((double)ctxcanvas->canvas->w) / ctxcanvas->canvas->xres;
+  ctxcanvas->canvas->h_mm = ((double)ctxcanvas->canvas->h) / ctxcanvas->canvas->yres;
+
+  return CD_OK;
+}
+
+static void cdcreatecanvas(cdCanvas* canvas, void *data)
+{
+  cdCtxCanvas* ctxcanvas;
+  cairo_surface_t *surface;
+  char* data_str = (char*)data;
+  Window wnd, root;
+  Display *dpy;
+  XWindowAttributes wa;
+  int x, y;
+  unsigned int bw;
+
+#ifdef SunOS_OLD
+  sscanf(data_str, "%d %lu", &dpy, &wnd); 
+#else
+  sscanf(data_str, "%p %lu", &dpy, &wnd); 
+#endif
+  if (!dpy || !wnd) 
+    return;
+
+  XGetWindowAttributes(dpy, wnd, &wa);
+
+  XGetGeometry(dpy, wnd, &root, &x, &y, (unsigned int*)&canvas->w, (unsigned int*)&canvas->h, &bw, (unsigned int*)&canvas->bpp);
+  canvas->xres = ((double)DisplayWidth(dpy, XScreenNumberOfScreen(wa.screen)) / (double)DisplayWidthMM(dpy, XScreenNumberOfScreen(wa.screen)));
+  canvas->yres = ((double)DisplayHeight(dpy, XScreenNumberOfScreen(wa.screen)) / (double)DisplayHeightMM(dpy, XScreenNumberOfScreen(wa.screen)));
+
+  surface = cairo_xlib_surface_create(dpy, wnd, wa.visual, canvas->w, canvas->h);
+
+  canvas->w_mm = ((double)canvas->w) / canvas->xres;
+  canvas->h_mm = ((double)canvas->h) / canvas->yres;
+
+  ctxcanvas = cdcairoCreateCanvas(canvas, cairo_create(surface));
+  cairo_surface_destroy(surface);
+
+  ctxcanvas->dpy = dpy;
+  ctxcanvas->wnd = wnd;
+}
+
+static void cdinittable(cdCanvas* canvas)
+{
+  cdcairoInitTable(canvas);
+
+  canvas->cxKillCanvas = cdkillcanvas;
+  canvas->cxActivate = cdactivate;
+}
+
+/******************************************************/
+
+static cdContext cdNativeWindowContext =
+{
+  CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS | CD_CAP_REGION | CD_CAP_WRITEMODE | CD_CAP_PALETTE | CD_CAP_FPRIMTIVES),
+  1,
+  cdcreatecanvas,
+  cdinittable,
+  NULL,
+  NULL,
+};
+
+
+cdContext* cdContextCairoNativeWindow(void)
+{
+  return &cdNativeWindowContext;
+}
-- 
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