Beispiel #1
0
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
  char tmpPath[10240];
  char* str_data = (char*)data;
  GtkClipboard* clp = NULL;

  /* Init parameters */
  if (str_data == NULL) 
    return;

  sscanf(str_data, "%p", &clp); 

  if (!clp)
    return;

  str_data = strstr(str_data, " ");
  if (!str_data)
    return;

  str_data++;
  if (!cdStrTmpFileName(tmpPath))
    return;

  strcat(tmpPath, " ");
  strcat(tmpPath, str_data);

  cdcreatecanvasMF(canvas, tmpPath);
  if (!canvas->ctxcanvas)
    return;

  {
    cdCanvasMF* mfcanvas = (cdCanvasMF*)canvas->ctxcanvas;
    mfcanvas->data = clp;
  }
}
Beispiel #2
0
/*
%F cdCreateCanvas para Clipboard
O DC pode ser um WMF ou um BITMAP.
*/
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
  char* str_data = (char*)data;
  int w = 0, h = 0, wtype = CDW_EMF; /* default clipboard type */
  double res = 0;
  Metafile* metafile = NULL;
  Bitmap* bitmap = NULL;
  Graphics* graphics = NULL;
  
  /* Inicializa parametros */
  if (str_data == NULL) 
    return;
  
  if (strstr(str_data, "-b") != NULL)
    wtype = CDW_BMP;
  else if (strstr(str_data, "-m") != NULL)
    wtype = -1; /* CD METAFILE */
  
  if (wtype != -1)
  {
    sscanf(str_data,"%dx%d %lg",&w, &h, &res); 
    if (w == 0 || h == 0)
      return;
  }

  if (wtype == CDW_EMF)
  {
    HDC ScreenDC = GetDC(NULL);
    if (res)
    {
      canvas->xres = res;
      canvas->yres = res;
    }
    else
    {
      /* 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)
    {
      canvas->xres = res;
      canvas->yres = res;
    }
    else
    {
      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);
    }
    
    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 tmpPath[10240];
    
    if (!cdStrTmpFileName(tmpPath))
      return;

    strcat(tmpPath, " ");
    strcat(tmpPath, str_data);

    cdcreatecanvasMF(canvas, tmpPath);
  }                    
  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;
  }
}
Beispiel #3
0
static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
  char* strsize = (char*)data;
  int w = 0, h = 0, wtype = CDW_EMF; /* default clipboard type */
  double xres=0, yres=0;
  HDC hDC;
  BITMAPINFO bmi;
  BYTE* bits;
  HBITMAP hBitmapClip, hOldBitmapClip;
  
  /* 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",&w, &h); 
    if (w == 0 || h == 0)
      return;
  }

  if (wtype == CDW_EMF)
  {
    HDC ScreenDC = GetDC(NULL);
    RECT rect;
    /* LOGPIXELS can not be used for EMF */
    xres = (double)GetDeviceCaps(ScreenDC, HORZRES) / (double)GetDeviceCaps(ScreenDC, HORZSIZE);
    yres = (double)GetDeviceCaps(ScreenDC, VERTRES) / (double)GetDeviceCaps(ScreenDC, VERTSIZE);
    rect.left = 0;
    rect.top = 0;
    rect.right = (int)(100. * w / xres);
    rect.bottom = (int)(100. * h / yres);
    hDC = CreateEnhMetaFile(ScreenDC,NULL,&rect,NULL);
    ReleaseDC(NULL, ScreenDC);
  }
  else if (wtype == CDW_BMP)
  {
    HDC ScreenDC = GetDC(NULL);
    hDC = CreateCompatibleDC(ScreenDC);
    xres = (double)GetDeviceCaps(ScreenDC, HORZRES) / (double)GetDeviceCaps(ScreenDC, HORZSIZE);
    yres = (double)GetDeviceCaps(ScreenDC, VERTRES) / (double)GetDeviceCaps(ScreenDC, VERTSIZE);
    
    bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
    bmi.bmiHeader.biWidth = w;
    bmi.bmiHeader.biHeight = h;
    bmi.bmiHeader.biPlanes = 1;
    bmi.bmiHeader.biBitCount = 24;
    bmi.bmiHeader.biCompression = BI_RGB;
    bmi.bmiHeader.biSizeImage = 0;
    bmi.bmiHeader.biXPelsPerMeter = (long)(GetDeviceCaps(ScreenDC, LOGPIXELSX) / 0.0254);
    bmi.bmiHeader.biYPelsPerMeter = (long)(GetDeviceCaps(ScreenDC, LOGPIXELSY) / 0.0254);
    bmi.bmiHeader.biClrUsed = 0;
    bmi.bmiHeader.biClrImportant = 0;
    
    hBitmapClip = CreateDIBSection(hDC, &bmi, DIB_RGB_COLORS, &bits, NULL, 0);
    
    ReleaseDC(NULL, ScreenDC);

    if (!hBitmapClip)
      return;

    hOldBitmapClip = SelectObject(hDC, hBitmapClip);
  }
  
  if (wtype == -1)
  {
    char filename[10240]; 
    char str[10240];
    
    if (!cdStrTmpFileName(filename))
      return;
    
    sprintf(str, "%s %s", filename, strsize);
    cdcreatecanvasMF(canvas, str);
  }                    
  else
  {
    cdCtxCanvas* ctxcanvas;

    /* Inicializa driver WIN32 */
    ctxcanvas = cdwCreateCanvas(canvas, NULL, hDC, wtype);
  
    canvas->w = w;
    canvas->h = h;
    canvas->xres = xres;
    canvas->yres = yres;
    canvas->w_mm = ((double)w) / xres;
    canvas->h_mm = ((double)h) / yres;
    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;

    if (wtype == CDW_BMP)
    {
      ctxcanvas->hBitmapClip = hBitmapClip;
      ctxcanvas->hOldBitmapClip = hOldBitmapClip;
      ctxcanvas->bmiClip = bmi;
      ctxcanvas->bitsClip = bits;
    }
  }
}