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/** \file
* \brief Windows WMF Driver
* Aldus Placeable Metafile
*
* See Copyright Notice in cd.h
*/
#include <stdlib.h>
#include <stdio.h>
#include "cdwin.h"
#include "cdwmf.h"
static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
{
HMETAFILE hmf;
cdwKillCanvas(ctxcanvas);
hmf = CloseMetaFile(ctxcanvas->hDC);
wmfMakePlaceableMetafile(hmf, ctxcanvas->filename, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
DeleteMetaFile(hmf);
free(ctxcanvas->filename);
memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
free(ctxcanvas);
}
static void cdcreatecanvas(cdCanvas* canvas, void* data)
{
cdCtxCanvas* ctxcanvas;
char* strdata = (char*)data;
int w = 0, h = 0;
float res;
HDC ScreenDC;
FILE* fh;
char filename[10240] = "";
/* Inicializa parametros */
if (strdata == NULL)
return;
ScreenDC = GetDC(NULL);
res = (float)(((double)GetDeviceCaps(ScreenDC, LOGPIXELSX)) / 25.4);
ReleaseDC(NULL, ScreenDC);
strdata += cdGetFileName(strdata, filename);
if (filename[0] == 0)
return;
sscanf(strdata,"%dx%d %g", &w, &h, &res);
if (w == 0 || h == 0)
return;
/* Verifica se o arquivo pode ser aberto para escrita */
fh = fopen(filename, "w");
if (fh == 0)
return;
fclose(fh);
/* Inicializa driver WIN32 */
ctxcanvas = cdwCreateCanvas(canvas, NULL, CreateMetaFile(NULL), CDW_WMF);
canvas->w = w;
canvas->h = h;
canvas->xres = res;
canvas->yres = res;
canvas->w_mm = ((double)w) / res;
canvas->h_mm = ((double)h) / res;
canvas->bpp = 24;
ctxcanvas->clip_pnt[2].x = ctxcanvas->clip_pnt[1].x = canvas->w - 1;
ctxcanvas->clip_pnt[3].y = ctxcanvas->clip_pnt[2].y = canvas->h - 1;
/* Inicializacao de variaveis particulares para o WMF */
ctxcanvas->filename = cdStrDup(filename);
}
static void cdinittable(cdCanvas* canvas)
{
cdwInitTable(canvas);
canvas->cxKillCanvas = cdkillcanvas;
/* overwrite the base Win32 driver functions */
canvas->cxGetTextSize = cdgettextsizeEX;
}
static cdContext cdWMFContext =
{
CD_CAP_ALL & ~(CD_CAP_CLEAR | CD_CAP_YAXIS | CD_CAP_TEXTSIZE |
CD_CAP_CLIPAREA | CD_CAP_CLIPPOLY | CD_CAP_PATTERN |
CD_CAP_IMAGERGBA | CD_CAP_GETIMAGERGB | CD_CAP_IMAGESRV |
CD_CAP_LINECAP | CD_CAP_LINEJOIN |
CD_CAP_FPRIMTIVES ),
CD_CTX_FILE|CD_CTX_PLUS,
cdcreatecanvas,
cdinittable,
cdplayWMF,
cdregistercallbackWMF
};
cdContext* cdContextWMF(void)
{
return &cdWMFContext;
}
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