/* crop image */
Imlib_Image crop(Imlib_Image *source_image, int x, int y, int w, int h)
{
Imlib_Image new_image; /* construct filtered image here */
Imlib_Image current_image; /* save image pointer */
int width, height; /* source image dimensions */
/* save pointer to current image */
current_image = imlib_context_get_image();
/* get width and height of source image */
imlib_context_set_image(*source_image);
width = imlib_image_get_width();
height = imlib_image_get_height();
/* get sane values */
if(x < 0) x = 0;
if(y < 0) y = 0;
if(x >= width) x = width - 1;
if(y >= height) y = height - 1;
if(x + w > width) w = width - x;
if(y + h > height) h = height - x;
/* create the new image */
imlib_context_set_image(*source_image);
new_image = imlib_create_cropped_image(x, y, w, h);
/* restore image from before function call */
imlib_context_set_image(current_image);
/* return filtered image */
return new_image;
}
static
void mainwin_update_bg_pixmap(MainWin *mw)
{
Imlib_Image tmp;
XSetWindowAttributes wattr;
Pixmap dummy;
if(mw->bg_pixmap != None)
imlib_free_pixmap_and_mask(mw->bg_pixmap);
imlib_context_set_image(mw->background);
tmp = imlib_create_cropped_image(mw->x, mw->y, mw->width, mw->height);
imlib_context_set_image(tmp);
imlib_context_set_drawable(mw->window);
imlib_render_pixmaps_for_whole_image(&mw->bg_pixmap, &dummy);
wattr.background_pixmap = mw->bg_pixmap;
XChangeWindowAttributes(mw->dpy, mw->window, CWBackPixmap, &wattr);
XClearArea(mw->dpy, mw->window, 0, 0, 0, 0, False);
imlib_free_image();
}
static inline PyObject *
ImageObject_cropped_image(PyObject* self, PyObject *args)
{
int x, y, w, h;
if (!PyArg_ParseTuple(args, "iiii:cropped_image", &x, &y, &w, &h)){
return NULL;
}
imlib_context_set_image(((ImageObject *)self)->image);
int maxw = imlib_image_get_width();
if(maxw < w){
w = maxw;
}
int maxh = imlib_image_get_height();
if(maxh < h){
h = maxh;
}
Imlib_Image image = imlib_create_cropped_image(x, y, w, h);
if(!image){
return NULL;
}
return (PyObject *)ImageObject_New(image);
}