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/** \file
* \brief Windows Image Driver
*
* See Copyright Notice in cd.h
*/
#include <stdlib.h>
#include <stdio.h>
#include "cdwin.h"
#include "cdimage.h"
static void cdkillcanvas (cdCtxCanvas *ctxcanvas)
{
cdwKillCanvas(ctxcanvas);
memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
free(ctxcanvas);
}
/*
%F cdCreateCanvas para Image.
O DC é um BITMAP em memoria.
*/
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
cdCtxCanvas* ctxcanvas;
cdCtxImage* ctximage;
if (data == NULL)
return;
ctximage = ((cdImage*)data)->ctximage;
/* Inicializa parametros */
if (ctximage == NULL)
return;
/* Inicializa driver Image */
ctxcanvas = cdwCreateCanvas(canvas, NULL, ctximage->hDC, CDW_BMP);
canvas->w = ctximage->w;
canvas->h = ctximage->h;
canvas->w_mm = ctximage->w_mm;
canvas->h_mm = ctximage->h_mm;
canvas->bpp = ctximage->bpp;
canvas->xres = ctximage->xres;
canvas->yres = ctximage->yres;
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;
}
static void cdinittable(cdCanvas* canvas)
{
cdwInitTable(canvas);
canvas->cxKillCanvas = cdkillcanvas;
}
static cdContext cdImageContext =
{
CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS |
CD_CAP_FPRIMTIVES ),
0,
cdcreatecanvas,
cdinittable,
NULL,
NULL,
};
cdContext* cdContextImage(void)
{
if (cdUseContextPlus(CD_QUERY))
{
cdContext* ctx = cdGetContextPlus(CD_CTX_IMAGE);
if (ctx != NULL)
return ctx;
}
return &cdImageContext;
}
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