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/* Copyright (C) 1994 - 1996
Olav Woelfelschneider (wosch@rbg.informatik.th-darmstadt.de)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.
*/
#include "McApp.h"
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/xpm.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include "McBitmap.h"
McBitmap *McCreateIndexedBitmap(McWindow *mcw, int x, int y,
char *bits, int w, int h, int wpi) {
McBitmap *bitmap = (McBitmap *) calloc(sizeof(McBitmap), 1);
bitmap->x = x;
bitmap->y = y;
bitmap->width = w;
bitmap->height = h;
bitmap->wpi = wpi;
bitmap->pixmap = XCreateBitmapFromData(mcw->app->display, mcw->clientwin,
bits, w, h);
bitmap->depth = 1;
bitmap->next = NULL;
return bitmap;
}
McBitmap *McCreateIndexedPixmap(McWindow *mcw, int x, int y,
char *bits, int wpi) {
McBitmap *bitmap = (McBitmap *) calloc(sizeof(McBitmap), 1);
bitmap->x = x;
bitmap->y = y;
bitmap->bits = bits;
bitmap->flags = MCBM_XPM;
bitmap->wpi = wpi;
McCreateBitmapFromData(mcw, bitmap);
return bitmap;
}
McBitmap *McCreateIndexedPixmapFromFile(McWindow *mcw, int x, int y,
char *path, int wpi) {
McBitmap *bitmap;
XpmAttributes attr;
XImage *image=NULL, *shape=NULL;
attr.valuemask=XpmExactColors | XpmCloseness;
attr.exactColors = 0;
attr.closeness = 65535;
if (XpmReadFileToImage(mcw->app->display, path, &image, &shape, &attr))
return NULL;
bitmap = (McBitmap *) calloc(sizeof(McBitmap), 1);
bitmap->x = x;
bitmap->y = y;
bitmap->flags = MCBM_XPM;
bitmap->wpi = wpi;
if (image) {
bitmap->pixmap=McCreatePixmapFromImage(mcw, image);
bitmap->width=image->width;
bitmap->height=image->height;
bitmap->depth=image->depth;
XDestroyImage(image);
}
if (shape) {
bitmap->shape=McCreatePixmapFromImage(mcw, shape);
XDestroyImage(shape);
}
return bitmap;
}
McBitmap *McCreateBitmapFromData(McWindow *mcw, McBitmap *bitmap) {
if (bitmap->flags&MCBM_XPM) {
XpmAttributes attr;
XImage *image=NULL, *shape=NULL;
attr.valuemask=XpmExactColors | XpmCloseness;
attr.exactColors = 0;
attr.closeness = 65535;
XpmCreateImageFromData(mcw->app->display, (char **)(bitmap->bits),
&image, &shape, &attr);
if (image) {
bitmap->pixmap=McCreatePixmapFromImage(mcw, image);
bitmap->width=image->width;
bitmap->height=image->height;
bitmap->depth=image->depth;
XDestroyImage(image);
}
if (shape) {
bitmap->shape=McCreatePixmapFromImage(mcw, shape);
XDestroyImage(shape);
}
} else {
bitmap->pixmap = XCreateBitmapFromData(mcw->app->display,
mcw->clientwin,
(char *)(bitmap->bits),
bitmap->width, bitmap->height);
}
return bitmap;
}
void McFreeBitmap(McApp *app, McBitmap *bitmap) {
if (bitmap->pixmap)
XFreePixmap(app->display, bitmap->pixmap);
if ((!(bitmap->flags & MCBM_STATICBITS)) && (bitmap->bits))
free(bitmap->bits);
if (!(bitmap->flags & MCBM_STATIC))
free(bitmap);
}
void McPutBitmap(McWindow *mcw, Window win,
const McBitmap *bitmap, GC gc, int x, int y) {
if (!win) win=mcw->clientwin;
while (bitmap) {
if (bitmap->depth == 1) {
if (bitmap->pixmap)
XCopyPlane(mcw->app->display, bitmap->pixmap, win, gc, 0, 0,
bitmap->width, bitmap->height, bitmap->x+x, bitmap->y+y, 1);
} else {
if (bitmap->shape) {
XSetClipMask(mcw->app->display, gc, bitmap->shape);
XSetClipOrigin(mcw->app->display, gc, bitmap->x+x, bitmap->y+y);
}
if (bitmap->pixmap)
XCopyArea(mcw->app->display, bitmap->pixmap, win, gc, 0, 0,
bitmap->width, bitmap->height, bitmap->x+x, bitmap->y+y);
if (bitmap->shape)
XSetClipMask(mcw->app->display, gc, None);
}
bitmap=bitmap->next;
}
}
/*
* A bitmap might be divided into single images, each having the
* height of the complete bitmap and the width as specified in
* McBitmap.wpi
*/
void McPutIndexedBitmap(McWindow *mcw, Window win,
const McBitmap *bitmap,
GC gc, int x, int y, int indx) {
if (!win) win=mcw->clientwin;
while (bitmap) {
int ofs=bitmap->wpi*indx;
if (bitmap->depth == 1) {
if (bitmap->pixmap)
XCopyPlane(mcw->app->display, bitmap->pixmap, win, gc,
ofs, 0,
bitmap->wpi, bitmap->height,
bitmap->x+x, bitmap->y+y, 1);
} else {
if (bitmap->shape) {
XSetClipMask(mcw->app->display, gc, bitmap->shape);
XSetClipOrigin(mcw->app->display, gc,
bitmap->x+x-ofs, bitmap->y+y);
}
if (bitmap->pixmap)
XCopyArea(mcw->app->display, bitmap->pixmap, win, gc,
ofs, 0,
bitmap->wpi, bitmap->height, bitmap->x+x, bitmap->y+y);
if (bitmap->shape)
XSetClipMask(mcw->app->display, gc, None);
}
bitmap=bitmap->next;
}
}
/*****************************************************************************/
Pixmap McCreatePixmapFromImage(McWindow *mcw, XImage *ximage) {
Pixmap pixmap;
GC gc;
Display *display=mcw->app->display;
pixmap = XCreatePixmap(display, mcw->clientwin, ximage->width,
ximage->height, ximage->depth);
gc = XCreateGC(display, pixmap, 0, NULL);
XPutImage(display, pixmap, gc, ximage, 0, 0, 0, 0,
ximage->width, ximage->height);
XFreeGC(display, gc);
return pixmap;
}
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