From c9179017c7e70703b7cac46c2df8b950506319e0 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 6 Nov 2009 06:10:10 +0000 Subject: Added libXpm-3.5.8 --- libXpm/src/Attrib.c | 308 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 308 insertions(+) create mode 100644 libXpm/src/Attrib.c (limited to 'libXpm/src/Attrib.c') diff --git a/libXpm/src/Attrib.c b/libXpm/src/Attrib.c new file mode 100644 index 000000000..cb304df1f --- /dev/null +++ b/libXpm/src/Attrib.c @@ -0,0 +1,308 @@ +/* + * Copyright (C) 1989-95 GROUPE BULL + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of GROUPE BULL shall not be + * used in advertising or otherwise to promote the sale, use or other dealings + * in this Software without prior written authorization from GROUPE BULL. + */ + +/*****************************************************************************\ +* Attrib.c: * +* * +* XPM library * +* Functions related to the XpmAttributes structure * +* * +* Developed by Arnaud Le Hors * +\*****************************************************************************/ + +/* October 2004, source code review by Thomas Biege */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include "XpmI.h" + +/* 3.2 backward compatibility code */ +LFUNC(CreateOldColorTable, int, (XpmColor *ct, unsigned int ncolors, + XpmColor ***oldct)); + +LFUNC(FreeOldColorTable, void, (XpmColor **colorTable, unsigned int ncolors)); + +/* + * Create a colortable compatible with the old style colortable + */ +static int +CreateOldColorTable( + XpmColor *ct, + unsigned int ncolors, + XpmColor ***oldct) +{ + XpmColor **colorTable, **color; + unsigned int a; + + if (ncolors >= UINT_MAX / sizeof(XpmColor *)) + return XpmNoMemory; + + colorTable = (XpmColor **) XpmMalloc(ncolors * sizeof(XpmColor *)); + if (!colorTable) { + *oldct = NULL; + return (XpmNoMemory); + } + for (a = 0, color = colorTable; a < ncolors; a++, color++, ct++) + *color = ct; + *oldct = colorTable; + return (XpmSuccess); +} + +static void +FreeOldColorTable( + XpmColor **colorTable, + unsigned int ncolors) +{ + unsigned int a, b; + XpmColor **color; + char **sptr; + + if (colorTable) { + for (a = 0, color = colorTable; a < ncolors; a++, color++) { + for (b = 0, sptr = (char **) *color; b <= NKEYS; b++, sptr++) + if (*sptr) + XpmFree(*sptr); + } + XpmFree(*colorTable); + XpmFree(colorTable); + } +} + +/* end 3.2 bc */ + +/* + * Free the computed color table + */ +void +xpmFreeColorTable( + XpmColor *colorTable, + int ncolors) +{ + int a, b; + XpmColor *color; + char **sptr; + + if (colorTable) { + for (a = 0, color = colorTable; a < ncolors; a++, color++) { + for (b = 0, sptr = (char **) color; b <= NKEYS; b++, sptr++) + if (*sptr) + XpmFree(*sptr); + } + XpmFree(colorTable); + } +} + +/* + * Free array of extensions + */ +void +XpmFreeExtensions( + XpmExtension *extensions, + int nextensions) +{ + unsigned int i, j, nlines; + XpmExtension *ext; + char **sptr; + + if (extensions && nextensions > 0) { + for (i = 0, ext = extensions; i < nextensions; i++, ext++) { + if (ext->name) + XpmFree(ext->name); + nlines = ext->nlines; + for (j = 0, sptr = ext->lines; j < nlines; j++, sptr++) + if (sptr && *sptr) + XpmFree(*sptr); + if (ext->lines) + XpmFree(ext->lines); + } + XpmFree(extensions); + } +} + +/* + * Return the XpmAttributes structure size + */ + +int +XpmAttributesSize(void) +{ + return sizeof(XpmAttributes); +} + +/* + * Init returned data to free safely later on + */ +void +xpmInitAttributes(XpmAttributes *attributes) +{ + if (attributes) { + attributes->pixels = NULL; + attributes->npixels = 0; + attributes->colorTable = NULL; + attributes->ncolors = 0; +/* 3.2 backward compatibility code */ + attributes->hints_cmt = NULL; + attributes->colors_cmt = NULL; + attributes->pixels_cmt = NULL; +/* end 3.2 bc */ + if (attributes->valuemask & XpmReturnExtensions) { + attributes->extensions = NULL; + attributes->nextensions = 0; + } + if (attributes->valuemask & XpmReturnAllocPixels) { + attributes->alloc_pixels = NULL; + attributes->nalloc_pixels = 0; + } + } +} + +/* + * Fill in the XpmAttributes with the XpmImage and the XpmInfo + */ +void +xpmSetAttributes( + XpmAttributes *attributes, + XpmImage *image, + XpmInfo *info) +{ + if (attributes->valuemask & XpmReturnColorTable) { + attributes->colorTable = image->colorTable; + attributes->ncolors = image->ncolors; + + /* avoid deletion of copied data */ + image->ncolors = 0; + image->colorTable = NULL; + } +/* 3.2 backward compatibility code */ + else if (attributes->valuemask & XpmReturnInfos) { + int ErrorStatus; + + ErrorStatus = CreateOldColorTable(image->colorTable, image->ncolors, + (XpmColor ***) + &attributes->colorTable); + + /* if error just say we can't return requested data */ + if (ErrorStatus != XpmSuccess) { + attributes->valuemask &= ~XpmReturnInfos; + if (!(attributes->valuemask & XpmReturnPixels)) { + XpmFree(attributes->pixels); + attributes->pixels = NULL; + attributes->npixels = 0; + } + attributes->ncolors = 0; + } else { + attributes->ncolors = image->ncolors; + attributes->hints_cmt = info->hints_cmt; + attributes->colors_cmt = info->colors_cmt; + attributes->pixels_cmt = info->pixels_cmt; + + /* avoid deletion of copied data */ + image->ncolors = 0; + image->colorTable = NULL; + info->hints_cmt = NULL; + info->colors_cmt = NULL; + info->pixels_cmt = NULL; + } + } +/* end 3.2 bc */ + if (attributes->valuemask & XpmReturnExtensions) { + attributes->extensions = info->extensions; + attributes->nextensions = info->nextensions; + + /* avoid deletion of copied data */ + info->extensions = NULL; + info->nextensions = 0; + } + if (info->valuemask & XpmHotspot) { + attributes->valuemask |= XpmHotspot; + attributes->x_hotspot = info->x_hotspot; + attributes->y_hotspot = info->y_hotspot; + } + attributes->valuemask |= XpmCharsPerPixel; + attributes->cpp = image->cpp; + attributes->valuemask |= XpmSize; + attributes->width = image->width; + attributes->height = image->height; +} + +/* + * Free the XpmAttributes structure members + * but the structure itself + */ +void +XpmFreeAttributes(XpmAttributes *attributes) +{ + if (attributes->valuemask & XpmReturnPixels && attributes->npixels) { + XpmFree(attributes->pixels); + attributes->pixels = NULL; + attributes->npixels = 0; + } + if (attributes->valuemask & XpmReturnColorTable) { + xpmFreeColorTable(attributes->colorTable, attributes->ncolors); + attributes->colorTable = NULL; + attributes->ncolors = 0; + } +/* 3.2 backward compatibility code */ + else if (attributes->valuemask & XpmInfos) { + if (attributes->colorTable) { + FreeOldColorTable((XpmColor **) attributes->colorTable, + attributes->ncolors); + attributes->colorTable = NULL; + attributes->ncolors = 0; + } + if (attributes->hints_cmt) { + XpmFree(attributes->hints_cmt); + attributes->hints_cmt = NULL; + } + if (attributes->colors_cmt) { + XpmFree(attributes->colors_cmt); + attributes->colors_cmt = NULL; + } + if (attributes->pixels_cmt) { + XpmFree(attributes->pixels_cmt); + attributes->pixels_cmt = NULL; + } + if (attributes->pixels) { + XpmFree(attributes->pixels); + attributes->pixels = NULL; + attributes->npixels = 0; + } + } +/* end 3.2 bc */ + if (attributes->valuemask & XpmReturnExtensions + && attributes->nextensions) { + XpmFreeExtensions(attributes->extensions, attributes->nextensions); + attributes->extensions = NULL; + attributes->nextensions = 0; + } + if (attributes->valuemask & XpmReturnAllocPixels + && attributes->nalloc_pixels) { + XpmFree(attributes->alloc_pixels); + attributes->alloc_pixels = NULL; + attributes->nalloc_pixels = 0; + } + attributes->valuemask = 0; +} -- cgit v1.2.3