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smoothed scaling

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This commit is contained in:
kojima
1999-04-28 20:37:39 +00:00
parent 76827c72d1
commit aac9a006d0
6 changed files with 402 additions and 96 deletions
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26
wrlib/view.c
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@@ -25,33 +25,29 @@ int main(int argc, char **argv)
if (argc<2)
img = RGetImageFromXPMData(ctx, image_name);
else
img = RLoadImage(ctx, argv[1], argc>2 ? atol(argv[2]) : 0);
img = RLoadImage(ctx, argv[1], 0);
if (!img) {
puts(RMessageForError(RErrorCode));
exit(1);
}
if (argc > 2) {
RImage *tmp = img;
img = RSmoothScaleImage(tmp, tmp->width*atol(argv[2]),
tmp->height*atol(argv[2]));
RDestroyImage(tmp);
}
if (!RConvertImage(ctx, img, &pix)) {
puts(RMessageForError(RErrorCode));
exit(1);
}
win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 10, 10, img->width,
img->height, 0, 0, 0);
XSelectInput(dpy, win, ExposureMask);
RDestroyImage(img);
XSetWindowBackgroundPixmap(dpy, win, pix);
XClearWindow(dpy, win);
XMapRaised(dpy, win);
XSync(dpy, False);
XCopyArea(dpy, pix, win, ctx->copy_gc, 0, 0, img->width, img->height,
0, 0);
XSync(dpy, False);
while (1) {
XEvent ev;
XNextEvent(dpy, &ev);
if (ev.type==Expose)
XCopyArea(dpy, pix, win, ctx->copy_gc, 0, 0, img->width, img->height,
0, 0);
}
XFlush(dpy);
getchar();