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/** \file
* \brief X-Windows Native Window Driver
*
* See Copyright Notice in cd.h
*/
#include <stdlib.h>
#include <stdio.h>
#include "cdx11.h"
#include "cdnative.h"
int cdGetScreenColorPlanes(void)
{
static int first = 1;
static int bpp;
if (first)
{
int nitems;
XVisualInfo info;
Display* drv_display = XOpenDisplay(NULL);
info.depth = 24;
if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
{
bpp = 24;
XCloseDisplay(drv_display);
return bpp;
}
info.depth = 16;
if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
{
bpp = 16;
XCloseDisplay(drv_display);
return bpp;
}
info.depth = 8;
if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
{
bpp = 8;
XCloseDisplay(drv_display);
return bpp;
}
info.depth = 4;
if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
{
bpp = 4;
XCloseDisplay(drv_display);
return bpp;
}
bpp = 2;
XCloseDisplay(drv_display);
first = 0;
}
return bpp;
}
void cdGetScreenSize(int *width, int *height, double *width_mm, double *height_mm)
{
static int first = 1;
static int dpy_width, dpy_height, dpy_width_mm, dpy_height_mm;
if (first)
{
Display* drv_display = XOpenDisplay(NULL);
int drv_screen = DefaultScreen (drv_display);
dpy_width = DisplayWidth(drv_display,drv_screen);
dpy_height = DisplayHeight(drv_display,drv_screen);
dpy_width_mm = DisplayWidthMM(drv_display,drv_screen);
dpy_height_mm = DisplayHeightMM(drv_display,drv_screen);
XCloseDisplay(drv_display);
first = 0;
}
if (width) *width = dpy_width;
if (height) *height = dpy_height;
if (width_mm) *width_mm = dpy_width_mm;
if (height_mm) *height_mm = dpy_height_mm;
}
static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
{
cdxKillCanvas(ctxcanvas);
}
static 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;
if (ctxcanvas->canvas->use_matrix)
ctxcanvas->canvas->cxTransform(ctxcanvas, ctxcanvas->canvas->matrix);
return CD_OK;
}
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
char* data_str = (char*)data;
Window wnd;
Display *dpy;
XWindowAttributes wa;
#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);
cdxCreateCanvas(canvas, dpy, XScreenNumberOfScreen(wa.screen), wnd, wa.visual);
}
static void cdinittable(cdCanvas* canvas)
{
cdxInitTable(canvas);
canvas->cxKillCanvas = cdkillcanvas;
canvas->cxActivate = cdactivate;
}
/******************************************************/
static cdContext cdNativeWindowContext =
{
CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS | CD_CAP_FPRIMTIVES ),
1,
cdcreatecanvas,
cdinittable,
NULL,
NULL,
};
cdContext* cdContextNativeWindow(void)
{
if (cdUseContextPlus(CD_QUERY))
{
cdContext* ctx = cdGetContextPlus(CD_CTX_NATIVEWINDOW);
if (ctx != NULL)
return ctx;
}
return &cdNativeWindowContext;
}
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