// by doing several blits as per the Windows
// implementation because Nano-X doesn't support
// XSetClipMask.
+ // TODO: could perhaps speed this function up
+ // by making a buffer of pixel values,
+ // and then calling GrArea to write that to the
+ // pixmap. See demos/nxroach.c.
bool hasMask = image.HasMask();
int bpp = DefaultDepth( xdisplay, xscreen );
#if wxUSE_NANOX
- int w = image.GetWidth();
- int h = image.GetHeight();
-
- wxMemoryDC memDC;
- memDC.SelectObject(*this);
-
- wxColour pixelCol;
-
- // Warning: this is very inefficient.
- // TODO: use GrReadArea to get an array of pixels
- int i, j;
- for (i = 0; i < w; i++)
- {
- for (j = 0; j < h; j++)
- {
- memDC.GetPixel(i, j, & pixelCol);
-
- // TODO: make wxColour accessors more efficient
- // by inlining, if possible
- image.SetRGB(i, j,
- pixelCol.Red(), pixelCol.Green(),
- pixelCol.Blue());
- }
- }
- memDC.SelectObject(wxNullBitmap);
-
+ wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image);
return image;
-
#else
// !wxUSE_NANOX
XImage *x_image = NULL;
// Copy from the drawable to the wxImage
bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image)
{
- GR_SCREEN_INFO sinfo;
+ GR_SCREEN_INFO sinfo;
int x, y;
GR_PIXELVAL *pixels;
- GR_PIXELVAL pixel;
- GR_COLOR colour;
GR_PALETTE* palette = NULL;
+ unsigned char rgb[3], *pp;
- GrGetScreenInfo(&sinfo);
+ GrGetScreenInfo(&sinfo);
- if (sinfo.pixtype == MWPF_PALETTE) {
- if(!(palette = malloc(sizeof(GR_PALETTE)))) {
+ if (sinfo.pixtype == MWPF_PALETTE) {
+ if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) {
return FALSE;
}
GrGetSystemPalette(palette);
}
- if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height)))
+ if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height)))
{
return FALSE;
}
- if (!image.Create(width, height))
- {
- free(pixels);
- return FALSE;
- }
+ image.Create(width, height);
GrReadArea(drawable, srcX, srcY, width, height,
pixels);
image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]);
- }
}
free(pixels);
- if(palette) free(palette);
+ if(palette) free(palette);
return TRUE;
}
return 1;
}
#endif
+
#endif
// wxUSE_NANOX