From 422fe90717dde8ee451f37f29a11b0b4c319210c Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Wed, 8 Apr 2015 21:52:51 +0200 Subject: library clean-up: Drop nx-X11/lib/Xcursor. Not used at build time. --- nx-X11/lib/Xcursor/xlib.c | 422 ---------------------------------------------- 1 file changed, 422 deletions(-) delete mode 100644 nx-X11/lib/Xcursor/xlib.c (limited to 'nx-X11/lib/Xcursor/xlib.c') diff --git a/nx-X11/lib/Xcursor/xlib.c b/nx-X11/lib/Xcursor/xlib.c deleted file mode 100644 index 7d10caf18..000000000 --- a/nx-X11/lib/Xcursor/xlib.c +++ /dev/null @@ -1,422 +0,0 @@ -/* - * $Id: xlib.c,v 1.5 2005/07/03 07:00:56 daniels Exp $ - * - * Copyright © 2002 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#include "xcursorint.h" -#include -#include -#include - -static XcursorBool -_XcursorFontIsCursor (Display *dpy, Font font) -{ - XcursorFontInfo *fi; - XcursorDisplayInfo *info; - XcursorBool ret; - XFontStruct *fs; - int n; - Atom cursor; - - if (!dpy || !font) - return XcursorFalse; - - if (font == dpy->cursor_font) - return XcursorTrue; - - info = _XcursorGetDisplayInfo (dpy); - if (!info) - return XcursorFalse; - LockDisplay (dpy); - for (fi = info->fonts; fi; fi = fi->next) - if (fi->font == font) - { - ret = fi->is_cursor_font; - UnlockDisplay (dpy); - return ret; - } - UnlockDisplay (dpy); - ret = XcursorFalse; - fs = XQueryFont (dpy, font); - if (fs) - { - cursor = XInternAtom (dpy, "cursor", False); - for (n = 0; n < fs->n_properties; n++) - if (fs->properties[n].name == XA_FONT) - { - ret = (fs->properties[n].card32 == cursor); - break; - } - } - fi = malloc (sizeof (XcursorFontInfo)); - if (fi) - { - fi->font = font; - fi->is_cursor_font = ret; - LockDisplay (dpy); - fi->next = info->fonts; - info->fonts = fi; - UnlockDisplay (dpy); - } - return ret; -} - -Cursor -XcursorTryShapeCursor (Display *dpy, - Font source_font, - Font mask_font, - unsigned int source_char, - unsigned int mask_char, - XColor _Xconst *foreground, - XColor _Xconst *background) -{ - Cursor cursor = None; - - if (!dpy || !source_font || !mask_font || !foreground || !background) - return 0; - - if (!XcursorSupportsARGB (dpy) && !XcursorGetThemeCore (dpy)) - return None; - - if (source_font == mask_font && - _XcursorFontIsCursor (dpy, source_font) && - source_char + 1 == mask_char) - { - int size = XcursorGetDefaultSize (dpy); - char *theme = XcursorGetTheme (dpy); - XcursorImages *images = XcursorShapeLoadImages (source_char, theme, size); - - if (images) - { - cursor = XcursorImagesLoadCursor (dpy, images); - XcursorImagesDestroy (images); - } - } - return cursor; -} - -void -XcursorNoticeCreateBitmap (Display *dpy, - Pixmap pid, - unsigned int width, - unsigned int height) -{ - XcursorDisplayInfo *info; - unsigned long oldest; - unsigned long now; - int i; - int replace = 0; - XcursorBitmapInfo *bmi; - - if (!dpy) - return; - - if (!XcursorSupportsARGB (dpy) && !XcursorGetThemeCore (dpy)) - return; - - if (width > MAX_BITMAP_CURSOR_SIZE || height > MAX_BITMAP_CURSOR_SIZE) - return; - - info = _XcursorGetDisplayInfo (dpy); - if (!info) - return; - - LockDisplay (dpy); - replace = 0; - now = dpy->request; - oldest = now; - for (i = 0; i < NUM_BITMAPS; i++) - { - if (!info->bitmaps[i].bitmap) - { - replace = i; - break; - } - if ((long) (now - info->bitmaps[i].sequence) > - (long) (now - oldest)) - { - replace = i; - oldest = info->bitmaps[i].sequence; - } - } - bmi = &info->bitmaps[replace]; - bmi->bitmap = pid; - bmi->sequence = now; - bmi->width = width; - bmi->height = height; - bmi->has_image = False; - UnlockDisplay (dpy); -} - -static XcursorBitmapInfo * -_XcursorGetBitmap (Display *dpy, Pixmap bitmap) -{ - XcursorDisplayInfo *info; - int i; - - if (!dpy || !bitmap) - return NULL; - - info = _XcursorGetDisplayInfo (dpy); - - if (!info) - return 0; - LockDisplay (dpy); - for (i = 0; i < NUM_BITMAPS; i++) - if (info->bitmaps[i].bitmap == bitmap) - { - info->bitmaps[i].sequence = dpy->request; - UnlockDisplay (dpy); - return &info->bitmaps[i]; - } - UnlockDisplay (dpy); - return 0; -} - -static Bool -_XcursorClientLSB (void) -{ - int v = 1; - return *((char *) &v) == 1; -} - -/* stolen from Xlib */ -static unsigned char const _reverse_byte[0x100] = { - 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, - 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, - 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, - 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, - 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, - 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, - 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, - 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, - 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, - 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, - 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, - 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, - 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, - 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, - 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, - 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, - 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, - 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, - 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, - 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, - 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, - 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, - 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, - 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, - 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, - 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, - 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, - 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, - 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, - 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, - 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, - 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff -}; - -#define RotByte(t,i) (((t) << (i)) | ((t) >> (8 - (i)))) - -void -XcursorImageHash (XImage *image, - unsigned char hash[XCURSOR_BITMAP_HASH_SIZE]) -{ - int i; - int x, y; - unsigned char *line; - unsigned char t; - int low_addr; - Bool bit_swap; - - if (!image) - return; - - for (i = 0; i < XCURSOR_BITMAP_HASH_SIZE; i++) - hash[i] = 0; - /* - * Flip byte order on MSB machines where the bitmap_unit isn't - * in bytes - */ - low_addr = 0; - if (image->bitmap_unit != 8) - { - if (!_XcursorClientLSB()) - switch (image->bitmap_unit) { - case 16: - low_addr = 1; - break; - case 32: - low_addr = 3; - break; - } - } - /* - * Flip bit order on MSB images - */ - bit_swap = (image->bitmap_bit_order != LSBFirst); - - line = (unsigned char *) image->data; - i = 0; - /* - * Compute the hash. Yes, it might be nice to use - * a stronger hash function, but MD5 and SHA1 are both - * a bit to expensive in time and space for this, - * and cursors are generally small enough that a weak - * hash is sufficient to distinguish among them. - */ - for (y = 0; y < image->height; y++) - { - for (x = 0; x < image->bytes_per_line; x++) - { - t = line[x^low_addr]; - if (bit_swap) - t = _reverse_byte[t]; - if (t) - hash[(i++) & (XCURSOR_BITMAP_HASH_SIZE - 1)] ^= RotByte (t, y & 7); - } - line += image->bytes_per_line; - } -} - -static Bool -_XcursorLogDiscover (void) -{ - static Bool been_here; - static Bool log; - - if (!been_here) - { - been_here = True; - - if (getenv ("XCURSOR_DISCOVER")) - log = True; - } - return log; -} - -void -XcursorNoticePutBitmap (Display *dpy, - Drawable draw, - XImage *image) -{ - XcursorBitmapInfo *bmi; - - if (!dpy || !image) - return; - - if (!XcursorSupportsARGB (dpy) && !XcursorGetThemeCore (dpy)) - return; - - if (image->width > MAX_BITMAP_CURSOR_SIZE || - image->height > MAX_BITMAP_CURSOR_SIZE) - return; - - bmi = _XcursorGetBitmap (dpy, (Pixmap) draw); - if (!bmi) - return; - /* - * Make sure the image fills the bitmap - */ - if (image->width != bmi->width || image->height != bmi->height) - { - bmi->bitmap = 0; - return; - } - /* - * If multiple images are placed in the same bitmap, - * assume it's not going to be a cursor - */ - if (bmi->has_image) - { - bmi->bitmap = 0; - return; - } - /* - * Make sure the image is valid - */ - if (image->bytes_per_line & ((image->bitmap_unit >> 3) - 1)) - { - bmi->bitmap = 0; - return; - } - /* - * Hash the image - */ - XcursorImageHash (image, bmi->hash); - /* - * Display the hash value and the image if - * requested so that users can find out what - * cursor name is associated with each image - */ - if (_XcursorLogDiscover()) - { - int x, y; - int i; - XImage t = *image; - - XInitImage (&t); - - printf ("Cursor image name: "); - for (i = 0; i < XCURSOR_BITMAP_HASH_SIZE; i++) - printf ("%02x", bmi->hash[i]); - printf ("\n"); - for (y = 0; y < image->height; y++) - { - for (x = 0; x < image->width; x++) - putchar (XGetPixel (&t, x, y) ? '*' : ' '); - putchar ('\n'); - } - } - bmi->has_image = True; -} - -Cursor -XcursorTryShapeBitmapCursor (Display *dpy, - Pixmap source, - Pixmap mask, - XColor *foreground, - XColor *background, - unsigned int x, - unsigned int y) -{ - XcursorBitmapInfo *bmi; - char name[8 * XCURSOR_BITMAP_HASH_SIZE]; - int i; - Cursor cursor; - - if (!dpy || !foreground || !background) - return 0; - - if (!XcursorSupportsARGB (dpy) && !XcursorGetThemeCore (dpy)) - return None; - - bmi = _XcursorGetBitmap (dpy, source); - if (!bmi || !bmi->has_image) - return None; - for (i = 0; i < XCURSOR_BITMAP_HASH_SIZE; i++) - sprintf (name + 2 * i, "%02x", bmi->hash[i]); - cursor = XcursorLibraryLoadCursor (dpy, name); - if (_XcursorLogDiscover()) - printf ("Cursor hash %s returns 0x%x\n", name, (unsigned int) cursor); - return cursor; -} -- cgit v1.2.3