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/** \file
* \brief Windows GDI+ Clipboard Driver
*
* See Copyright Notice in cd.h
*/
#include "cdwinp.h"
#include "cdclipbd.h"
#include "cdmf.h"
#include "cdemf.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "cdmf_private.h"
static void cdkillcanvasCLIPBDMF (cdCtxCanvas* ctxcanvas)
{
HANDLE Handle, hFile;
char* buffer;
DWORD dwSize, nBytesRead;
char filename[10240];
cdCanvasMF* mfcanvas = (cdCanvasMF*)ctxcanvas;
/* guardar antes de remover o canvas */
strcpy(filename, mfcanvas->filename);
OpenClipboard(NULL);
EmptyClipboard();
cdkillcanvasMF(mfcanvas); /* this will close the file */
hFile = CreateFile(filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE, NULL);
dwSize = GetFileSize (hFile, NULL) ;
Handle = GlobalAlloc(GMEM_MOVEABLE, dwSize+1);
buffer = (char*)GlobalLock(Handle);
ReadFile(hFile, buffer, dwSize, &nBytesRead, NULL);
buffer[dwSize] = 0;
GlobalUnlock(Handle);
CloseHandle(hFile);
SetClipboardData(CF_TEXT, Handle);
CloseClipboard();
}
static void cdkillcanvas (cdCtxCanvas* ctxcanvas)
{
cdwpKillCanvas(ctxcanvas);
OpenClipboard(NULL);
EmptyClipboard();
if (ctxcanvas->wtype == CDW_EMF)
{
HENHMETAFILE hEmf = ctxcanvas->metafile->GetHENHMETAFILE();
SetClipboardData(CF_ENHMETAFILE, hEmf);
delete ctxcanvas->metafile;
}
else
{
HBITMAP hBitmap;
ctxcanvas->bitmap->GetHBITMAP(ctxcanvas->bg, &hBitmap);
SetClipboardData(CF_BITMAP, hBitmap);
delete ctxcanvas->bitmap;
}
CloseClipboard();
delete ctxcanvas;
}
/*
%F cdCreateCanvas para Clipboard
O DC pode ser um WMF ou um BITMAP.
*/
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
char* strsize = (char*)data;
int w = 0, h = 0, wtype = CDW_EMF; /* default clipboard type */
double res = 0; /* used only for BMP */
Metafile* metafile = NULL;
Bitmap* bitmap = NULL;
Graphics* graphics;
/* Inicializa parametros */
if (strsize == NULL)
return;
if (strstr(strsize, "-b") != NULL)
wtype = CDW_BMP;
else if (strstr(strsize, "-m") != NULL)
wtype = -1; /* CD METAFILE */
if (wtype != -1)
{
sscanf(strsize,"%dx%d %g",&w, &h, &res);
if (w == 0 || h == 0)
return;
}
if (wtype == CDW_EMF)
{
HDC ScreenDC = GetDC(NULL);
/* LOGPIXELS can not be used for EMF */
canvas->xres = (double)GetDeviceCaps(ScreenDC, HORZRES) / (double)GetDeviceCaps(ScreenDC, HORZSIZE);
canvas->yres = (double)GetDeviceCaps(ScreenDC, VERTRES) / (double)GetDeviceCaps(ScreenDC, VERTSIZE);
Rect frameRect(0, 0, (int)(100 * w / canvas->xres), (int)(100 * h / canvas->yres));
metafile = new Metafile(ScreenDC, frameRect, MetafileFrameUnitGdi, EmfTypeEmfPlusDual, NULL);
ReleaseDC(NULL, ScreenDC);
if (!metafile)
return;
graphics = new Graphics(metafile);
}
else if (wtype == CDW_BMP)
{
if (!res)
{
HDC ScreenDC = GetDC(NULL);
canvas->xres = (double)GetDeviceCaps(ScreenDC, HORZRES) / (double)GetDeviceCaps(ScreenDC, HORZSIZE);
canvas->yres = (double)GetDeviceCaps(ScreenDC, VERTRES) / (double)GetDeviceCaps(ScreenDC, VERTSIZE);
ReleaseDC(NULL, ScreenDC);
}
else
{
canvas->xres = res;
canvas->yres = res;
}
bitmap = new Bitmap(w, h, PixelFormat24bppRGB);
if (!bitmap)
return;
bitmap->SetResolution((REAL)(canvas->xres*25.4), (REAL)(canvas->xres*25.4));
graphics = new Graphics(bitmap);
}
if (wtype == -1)
{
char filename[1024];
char tmpPath[512];
char str[1024];
GetTempPath(512, tmpPath);
GetTempFileName(tmpPath, "~cd", 0, filename);
sprintf(str, "%s %s", filename, strsize);
cdcreatecanvasMF(canvas, str);
}
else
{
cdCtxCanvas* ctxcanvas = cdwpCreateCanvas(canvas, graphics, wtype);
canvas->w = w;
canvas->h = h;
canvas->bpp = 24;
if (wtype == CDW_BMP)
ctxcanvas->bitmap = bitmap;
else
ctxcanvas->metafile = metafile;
}
}
static void cdinittable(cdCanvas* canvas)
{
if (canvas->invert_yaxis == 0) /* a simple way to distinguish MF from WIN */
{
cdinittableMF(canvas);
canvas->cxKillCanvas = cdkillcanvasCLIPBDMF;
}
else
{
cdwpInitTable(canvas);
canvas->cxKillCanvas = cdkillcanvas;
}
}
static cdContext cdClipboardContext =
{
CD_CAP_ALL & ~(CD_CAP_CLEAR | CD_CAP_FLUSH | CD_CAP_YAXIS |
CD_CAP_PLAY |
CD_CAP_IMAGERGBA | CD_CAP_GETIMAGERGB | CD_CAP_IMAGESRV |
CD_CAP_FPRIMTIVES ),
1,
cdcreatecanvas,
cdinittable,
NULL,
NULL
};
extern "C" {
cdContext* cdContextClipboardPlus(void)
{
return &cdClipboardContext;
}
}
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