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/** \file
* \brief Windows GDI+ Native Window Driver
*
* See Copyright Notice in cd.h
*/
#include "cdwinp.h"
#include "cdnative.h"
#include <stdlib.h>
#include <stdio.h>
static int cdactivate(cdCtxCanvas* ctxcanvas)
{
if (ctxcanvas->hWnd)
{
RECT rect;
GetClientRect(ctxcanvas->hWnd, &rect);
int w = rect.right - rect.left;
int h = rect.bottom - rect.top;
int bpp = cdGetScreenColorPlanes();
if(ctxcanvas->canvas->w != w ||
ctxcanvas->canvas->h != h ||
ctxcanvas->canvas->bpp != bpp)
{
ctxcanvas->canvas->w = w;
ctxcanvas->canvas->h = h;
ctxcanvas->canvas->bpp = bpp;
delete ctxcanvas->graphics;
ctxcanvas->graphics = new Graphics(ctxcanvas->hWnd);
cdwpUpdateCanvas(ctxcanvas);
}
}
return CD_OK;
}
static void cdkillcanvas(cdCtxCanvas* ctxcanvas)
{
cdwpKillCanvas(ctxcanvas);
if (ctxcanvas->release_dc)
ReleaseDC(ctxcanvas->hWnd, ctxcanvas->hDC);
delete ctxcanvas;
}
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
HWND hWnd = NULL;
HDC hDC = NULL;
Graphics* graphics;
int release_dc = 0;
if (!data)
{
hDC = GetDC(NULL);
release_dc = 1;
canvas->w = GetDeviceCaps(hDC, HORZRES);
canvas->h = GetDeviceCaps(hDC, VERTRES);
graphics = new Graphics(hDC);
}
else if (IsWindow((HWND)data))
{
hWnd = (HWND)data;
release_dc = 0;
RECT rect;
GetClientRect(hWnd, &rect);
canvas->w = rect.right - rect.left;
canvas->h = rect.bottom - rect.top;
graphics = new Graphics(hWnd);
}
else /* can be a HDC or a string */
{
DWORD objtype = GetObjectType((HGDIOBJ)data);
if (objtype == OBJ_DC || objtype == OBJ_MEMDC ||
objtype == OBJ_ENHMETADC || objtype == OBJ_METADC)
{
hDC = (HDC)data;
canvas->w = GetDeviceCaps(hDC, HORZRES);
canvas->h = GetDeviceCaps(hDC, VERTRES);
}
else
{
hDC = NULL;
canvas->w = 0;
canvas->h = 0;
sscanf((char*)data,"%p %dx%d", &hDC, &canvas->w, &canvas->h);
if (!hDC || !canvas->w || !canvas->h)
return;
}
graphics = new Graphics(hDC);
release_dc = 0;
}
canvas->bpp = cdGetScreenColorPlanes();
/* Inicializa driver WIN32 */
cdCtxCanvas* ctxcanvas = cdwpCreateCanvas(canvas, graphics, CDW_WIN);
ctxcanvas->hWnd = hWnd;
ctxcanvas->hDC = hDC;
ctxcanvas->release_dc = release_dc;
}
static void cdinittable(cdCanvas* canvas)
{
cdwpInitTable(canvas);
canvas->cxKillCanvas = cdkillcanvas;
canvas->cxActivate = cdactivate;
}
static cdContext cdNativeContext =
{
CD_CAP_ALL & ~(CD_CAP_FLUSH | CD_CAP_PLAY | CD_CAP_YAXIS ),
CD_CTX_WINDOW|CD_CTX_PLUS,
cdcreatecanvas,
cdinittable,
NULL,
NULL,
};
extern "C" {
cdContext* cdContextNativeWindowPlus(void)
{
return &cdNativeContext;
}
}
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