mirror of
https://github.com/gryf/wmaker.git
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cab71ba6a1
- Separated the font caches for normal fonts and fontsets in WINGs (they can have the same names and collide in the cache giving unwanted results) - Updated the years in the copyright notices
279 lines
6.7 KiB
C
279 lines
6.7 KiB
C
/* xpm.c - load XPM image from file
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*
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* Raster graphics library
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*
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* Copyright (c) 1997-2002 Alfredo K. Kojima
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#ifdef USE_XPM
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#include <X11/Xlib.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <X11/xpm.h>
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#include "wraster.h"
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RImage*
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RGetImageFromXPMData(RContext *context, char **xpmData)
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{
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Display *dpy = context->dpy;
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Colormap cmap = context->cmap;
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RImage *image;
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XpmImage xpm;
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unsigned char *color_table[4];
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unsigned char *data;
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int *p;
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int i;
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i = XpmCreateXpmImageFromData(xpmData, &xpm, (XpmInfo *)NULL);
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if (i!=XpmSuccess) {
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switch (i) {
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case XpmOpenFailed:
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RErrorCode = RERR_OPEN;
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break;
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case XpmFileInvalid:
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RErrorCode = RERR_BADIMAGEFILE;
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break;
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case XpmNoMemory:
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RErrorCode = RERR_NOMEMORY;
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break;
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default:
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RErrorCode = RERR_BADIMAGEFILE;
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break;
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}
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return NULL;
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}
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if (xpm.height<1 || xpm.width < 1) {
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RErrorCode = RERR_BADIMAGEFILE;
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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if (xpm.colorTable==NULL) {
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RErrorCode = RERR_BADIMAGEFILE;
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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image = RCreateImage(xpm.width, xpm.height, True);
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if (!image) {
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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/* make color table */
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for (i=0; i<4; i++) {
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color_table[i] = malloc(xpm.ncolors*sizeof(char));
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if (!color_table[i]) {
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for (i=i-1;i>=0; i--) {
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if (color_table[i])
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free(color_table[i]);
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}
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RReleaseImage(image);
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RErrorCode = RERR_NOMEMORY;
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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}
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for (i=0; i<xpm.ncolors; i++) {
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XColor xcolor;
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char * color = NULL;
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if (xpm.colorTable[i].c_color)
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color = xpm.colorTable[i].c_color;
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else if (xpm.colorTable[i].g_color)
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color = xpm.colorTable[i].g_color;
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else if (xpm.colorTable[i].g4_color)
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color = xpm.colorTable[i].g4_color;
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else if (xpm.colorTable[i].m_color)
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color = xpm.colorTable[i].m_color;
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else if (xpm.colorTable[i].symbolic)
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color = xpm.colorTable[i].symbolic;
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if (!color) {
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color_table[0][i] = 0xbe;
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color_table[1][i] = 0xbe;
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color_table[2][i] = 0xbe;
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color_table[3][i] = 0xff;
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continue;
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}
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if (strncmp(color,"None",4)==0) {
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color_table[0][i]=0;
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color_table[1][i]=0;
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color_table[2][i]=0;
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color_table[3][i]=0;
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continue;
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}
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if (XParseColor(dpy, cmap, color, &xcolor)) {
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color_table[0][i] = xcolor.red>>8;
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color_table[1][i] = xcolor.green>>8;
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color_table[2][i] = xcolor.blue>>8;
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color_table[3][i] = 0xff;
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} else {
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color_table[0][i] = 0xbe;
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color_table[1][i] = 0xbe;
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color_table[2][i] = 0xbe;
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color_table[3][i] = 0xff;
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}
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}
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/* convert pixmap to RImage */
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p = (int*)xpm.data;
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data = image->data;
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for (i=0; i<xpm.width*xpm.height; i++) {
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*(data++)=color_table[0][*p];
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*(data++)=color_table[1][*p];
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*(data++)=color_table[2][*p];
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*(data++)=color_table[3][*p];
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p++;
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}
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for(i=0; i<4; i++) {
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free(color_table[i]);
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}
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XpmFreeXpmImage(&xpm);
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return image;
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}
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RImage*
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RLoadXPM(RContext *context, char *file, int index)
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{
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Display *dpy = context->dpy;
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Colormap cmap = context->cmap;
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RImage *image;
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XpmImage xpm;
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unsigned char *color_table[4];
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unsigned char *data;
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int *p;
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int i;
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i = XpmReadFileToXpmImage(file, &xpm, (XpmInfo *)NULL);
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if (i!=XpmSuccess) {
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switch (i) {
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case XpmOpenFailed:
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RErrorCode = RERR_OPEN;
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break;
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case XpmFileInvalid:
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RErrorCode = RERR_BADIMAGEFILE;
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break;
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case XpmNoMemory:
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RErrorCode = RERR_NOMEMORY;
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break;
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default:
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RErrorCode = RERR_BADIMAGEFILE;
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break;
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}
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return NULL;
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}
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if (xpm.height<1 || xpm.width < 1) {
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RErrorCode = RERR_BADIMAGEFILE;
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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if (xpm.colorTable==NULL) {
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RErrorCode = RERR_BADIMAGEFILE;
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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image = RCreateImage(xpm.width, xpm.height, True);
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if (!image) {
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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/* make color table */
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for (i=0; i<4; i++) {
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color_table[i] = malloc(xpm.ncolors*sizeof(char));
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if (!color_table[i]) {
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for (i=i-1;i>=0; i--) {
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if (color_table[i])
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free(color_table[i]);
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}
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RReleaseImage(image);
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RErrorCode = RERR_NOMEMORY;
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XpmFreeXpmImage(&xpm);
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return NULL;
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}
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}
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for (i=0; i<xpm.ncolors; i++) {
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XColor xcolor;
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char * color = NULL;
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if (xpm.colorTable[i].c_color)
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color = xpm.colorTable[i].c_color;
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else if (xpm.colorTable[i].g_color)
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color = xpm.colorTable[i].g_color;
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else if (xpm.colorTable[i].g4_color)
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color = xpm.colorTable[i].g4_color;
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else if (xpm.colorTable[i].m_color)
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color = xpm.colorTable[i].m_color;
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else if (xpm.colorTable[i].symbolic)
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color = xpm.colorTable[i].symbolic;
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if (!color) {
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color_table[0][i] = 0xbe;
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color_table[1][i] = 0xbe;
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color_table[2][i] = 0xbe;
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color_table[3][i] = 0xff;
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continue;
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}
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if (strncmp(color,"None",4)==0) {
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color_table[0][i]=0;
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color_table[1][i]=0;
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color_table[2][i]=0;
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color_table[3][i]=0;
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continue;
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}
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if (XParseColor(dpy, cmap, color, &xcolor)) {
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color_table[0][i] = xcolor.red>>8;
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color_table[1][i] = xcolor.green>>8;
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color_table[2][i] = xcolor.blue>>8;
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color_table[3][i] = 0xff;
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} else {
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color_table[0][i] = 0xbe;
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color_table[1][i] = 0xbe;
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color_table[2][i] = 0xbe;
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color_table[3][i] = 0xff;
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}
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}
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/* convert pixmap to RImage */
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p = (int*)xpm.data;
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data = image->data;
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for (i=0; i<xpm.width*xpm.height; i++, p++) {
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*(data++)=color_table[0][*p];
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*(data++)=color_table[1][*p];
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*(data++)=color_table[2][*p];
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*(data++)=color_table[3][*p];
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}
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for(i=0; i<4; i++) {
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free(color_table[i]);
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}
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XpmFreeXpmImage(&xpm);
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return image;
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}
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#endif /* USE_XPM */
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