diff options
Diffstat (limited to 'nx-X11/extras/Xpm/lib/create.c')
| -rw-r--r-- | nx-X11/extras/Xpm/lib/create.c | 2532 |
1 files changed, 0 insertions, 2532 deletions
diff --git a/nx-X11/extras/Xpm/lib/create.c b/nx-X11/extras/Xpm/lib/create.c deleted file mode 100644 index 8b1397853..000000000 --- a/nx-X11/extras/Xpm/lib/create.c +++ /dev/null @@ -1,2532 +0,0 @@ -/* $XdotOrg: xc/extras/Xpm/lib/create.c,v 1.6 2005/05/19 15:02:48 sandmann Exp $ */ -/* - * 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. - */ - -/*****************************************************************************\ -* create.c: * -* * -* XPM library * -* Create an X image and possibly its related shape mask * -* from the given XpmImage. * -* * -* Developed by Arnaud Le Hors * -\*****************************************************************************/ -/* $XFree86: xc/extras/Xpm/lib/create.c,v 1.4 2003/05/27 22:26:20 tsi Exp $ */ - -/* - * The code related to FOR_MSW has been added by - * HeDu (hedu@cul-ipn.uni-kiel.de) 4/94 - */ - -/* - * The code related to AMIGA has been added by - * Lorens Younes (d93-hyo@nada.kth.se) 4/96 - */ - -/* October 2004, source code review by Thomas Biege <thomas@suse.de> */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "XpmI.h" -#include <ctype.h> - -LFUNC(xpmVisualType, int, (Visual *visual)); - -LFUNC(AllocColor, int, (Display *display, Colormap colormap, - char *colorname, XColor *xcolor, void *closure)); -LFUNC(FreeColors, int, (Display *display, Colormap colormap, - Pixel *pixels, int n, void *closure)); - -#ifndef FOR_MSW -LFUNC(SetCloseColor, int, (Display *display, Colormap colormap, - Visual *visual, XColor *col, - Pixel *image_pixel, Pixel *mask_pixel, - Pixel *alloc_pixels, unsigned int *nalloc_pixels, - XpmAttributes *attributes, XColor *cols, int ncols, - XpmAllocColorFunc allocColor, void *closure)); -#else -/* let the window system take care of close colors */ -#endif - -LFUNC(SetColor, int, (Display *display, Colormap colormap, Visual *visual, - char *colorname, unsigned int color_index, - Pixel *image_pixel, Pixel *mask_pixel, - unsigned int *mask_pixel_index, - Pixel *alloc_pixels, unsigned int *nalloc_pixels, - Pixel *used_pixels, unsigned int *nused_pixels, - XpmAttributes *attributes, XColor *cols, int ncols, - XpmAllocColorFunc allocColor, void *closure)); - -LFUNC(CreateXImage, int, (Display *display, Visual *visual, - unsigned int depth, int format, unsigned int width, - unsigned int height, XImage **image_return)); - -LFUNC(CreateColors, int, (Display *display, XpmAttributes *attributes, - XpmColor *colors, unsigned int ncolors, - Pixel *image_pixels, Pixel *mask_pixels, - unsigned int *mask_pixel_index, - Pixel *alloc_pixels, unsigned int *nalloc_pixels, - Pixel *used_pixels, unsigned int *nused_pixels)); - -#ifndef FOR_MSW -LFUNC(ParseAndPutPixels, int, (xpmData *data, unsigned int width, - unsigned int height, unsigned int ncolors, - unsigned int cpp, XpmColor *colorTable, - xpmHashTable *hashtable, - XImage *image, Pixel *image_pixels, - XImage *mask, Pixel *mask_pixels)); -#else /* FOR_MSW */ -LFUNC(ParseAndPutPixels, int, (Display *dc, xpmData *data, unsigned int width, - unsigned int height, unsigned int ncolors, - unsigned int cpp, XpmColor *colorTable, - xpmHashTable *hashtable, - XImage *image, Pixel *image_pixels, - XImage *mask, Pixel *mask_pixels)); -#endif - -#ifndef FOR_MSW -# ifndef AMIGA -/* XImage pixel routines */ -LFUNC(PutImagePixels, void, (XImage *image, unsigned int width, - unsigned int height, unsigned int *pixelindex, - Pixel *pixels)); - -LFUNC(PutImagePixels32, void, (XImage *image, unsigned int width, - unsigned int height, unsigned int *pixelindex, - Pixel *pixels)); - -LFUNC(PutImagePixels16, void, (XImage *image, unsigned int width, - unsigned int height, unsigned int *pixelindex, - Pixel *pixels)); - -LFUNC(PutImagePixels8, void, (XImage *image, unsigned int width, - unsigned int height, unsigned int *pixelindex, - Pixel *pixels)); - -LFUNC(PutImagePixels1, void, (XImage *image, unsigned int width, - unsigned int height, unsigned int *pixelindex, - Pixel *pixels)); - -LFUNC(PutPixel1, int, (XImage *ximage, int x, int y, unsigned long pixel)); -LFUNC(PutPixel, int, (XImage *ximage, int x, int y, unsigned long pixel)); -#if !defined(WORD64) && !defined(LONG64) -LFUNC(PutPixel32, int, (XImage *ximage, int x, int y, unsigned long pixel)); -#endif -LFUNC(PutPixel32MSB, int, (XImage *ximage, int x, int y, unsigned long pixel)); -LFUNC(PutPixel32LSB, int, (XImage *ximage, int x, int y, unsigned long pixel)); -LFUNC(PutPixel16MSB, int, (XImage *ximage, int x, int y, unsigned long pixel)); -LFUNC(PutPixel16LSB, int, (XImage *ximage, int x, int y, unsigned long pixel)); -LFUNC(PutPixel8, int, (XImage *ximage, int x, int y, unsigned long pixel)); -LFUNC(PutPixel1MSB, int, (XImage *ximage, int x, int y, unsigned long pixel)); -LFUNC(PutPixel1LSB, int, (XImage *ximage, int x, int y, unsigned long pixel)); - -# else /* AMIGA */ -LFUNC(APutImagePixels, void, (XImage *ximage, unsigned int width, - unsigned int height, unsigned int *pixelindex, - Pixel *pixels)); -# endif/* AMIGA */ -#else /* FOR_MSW */ -/* FOR_MSW pixel routine */ -LFUNC(MSWPutImagePixels, void, (Display *dc, XImage *image, - unsigned int width, unsigned int height, - unsigned int *pixelindex, Pixel *pixels)); -#endif /* FOR_MSW */ - -#ifdef NEED_STRCASECMP -FUNC(xpmstrcasecmp, int, (char *s1, char *s2)); - -/* - * in case strcasecmp is not provided by the system here is one - * which does the trick - */ -int -xpmstrcasecmp(s1, s2) - register char *s1, *s2; -{ - register int c1, c2; - - while (*s1 && *s2) { - c1 = tolower(*s1); - c2 = tolower(*s2); - if (c1 != c2) - return (c1 - c2); - s1++; - s2++; - } - return (int) (*s1 - *s2); -} - -#endif - -/* - * return the default color key related to the given visual - */ -static int -xpmVisualType(visual) - Visual *visual; -{ -#ifndef FOR_MSW -# ifndef AMIGA - switch (visual->class) { - case StaticGray: - case GrayScale: - switch (visual->map_entries) { - case 2: - return (XPM_MONO); - case 4: - return (XPM_GRAY4); - default: - return (XPM_GRAY); - } - default: - return (XPM_COLOR); - } -# else - /* set the key explicitly in the XpmAttributes to override this */ - return (XPM_COLOR); -# endif -#else - /* there should be a similar switch for MSW */ - return (XPM_COLOR); -#endif -} - - -typedef struct { - int cols_index; - long closeness; -} CloseColor; - -static int -closeness_cmp(Const void *a, Const void *b) -{ - CloseColor *x = (CloseColor *) a, *y = (CloseColor *) b; - - /* cast to int as qsort requires */ - return (int) (x->closeness - y->closeness); -} - - -/* default AllocColor function: - * call XParseColor if colorname is given, return negative value if failure - * call XAllocColor and return 0 if failure, positive otherwise - */ -static int -AllocColor(display, colormap, colorname, xcolor, closure) - Display *display; - Colormap colormap; - char *colorname; - XColor *xcolor; - void *closure; /* not used */ -{ - int status; - if (colorname) - if (!XParseColor(display, colormap, colorname, xcolor)) - return -1; - status = XAllocColor(display, colormap, xcolor); - return status != 0 ? 1 : 0; -} - - -#ifndef FOR_MSW -/* - * set a close color in case the exact one can't be set - * return 0 if success, 1 otherwise. - */ - -static int -SetCloseColor(display, colormap, visual, col, image_pixel, mask_pixel, - alloc_pixels, nalloc_pixels, attributes, cols, ncols, - allocColor, closure) - Display *display; - Colormap colormap; - Visual *visual; - XColor *col; - Pixel *image_pixel, *mask_pixel; - Pixel *alloc_pixels; - unsigned int *nalloc_pixels; - XpmAttributes *attributes; - XColor *cols; - int ncols; - XpmAllocColorFunc allocColor; - void *closure; -{ - - /* - * Allocation failed, so try close colors. To get here the visual must - * be GreyScale, PseudoColor or DirectColor (or perhaps StaticColor? - * What about sharing systems like QDSS?). Beware: we have to treat - * DirectColor differently. - */ - - - long int red_closeness, green_closeness, blue_closeness; - int n; - Bool alloc_color; - - if (attributes && (attributes->valuemask & XpmCloseness)) - red_closeness = green_closeness = blue_closeness = - attributes->closeness; - else { - red_closeness = attributes->red_closeness; - green_closeness = attributes->green_closeness; - blue_closeness = attributes->blue_closeness; - } - if (attributes && (attributes->valuemask & XpmAllocCloseColors)) - alloc_color = attributes->alloc_close_colors; - else - alloc_color = True; - - /* - * We sort the colormap by closeness and try to allocate the color - * closest to the target. If the allocation of this close color fails, - * which almost never happens, then one of two scenarios is possible. - * Either the colormap must have changed (since the last close color - * allocation or possibly while we were sorting the colormap), or the - * color is allocated as Read/Write by some other client. (Note: X - * _should_ allow clients to check if a particular color is Read/Write, - * but it doesn't! :-( ). We cannot determine which of these scenarios - * occurred, so we try the next closest color, and so on, until no more - * colors are within closeness of the target. If we knew that the - * colormap had changed, we could skip this sequence. - * - * If _none_ of the colors within closeness of the target can be allocated, - * then we can finally be pretty sure that the colormap has actually - * changed. In this case we try to allocate the original color (again), - * then try the closecolor stuff (again)... - * - * In theory it would be possible for an infinite loop to occur if another - * process kept changing the colormap every time we sorted it, so we set - * a maximum on the number of iterations. After this many tries, we use - * XGrabServer() to ensure that the colormap remains unchanged. - * - * This approach gives particularly bad worst case performance - as many as - * <MaximumIterations> colormap reads and sorts may be needed, and as - * many as <MaximumIterations> * <ColormapSize> attempted allocations - * may fail. On an 8-bit system, this means as many as 3 colormap reads, - * 3 sorts and 768 failed allocations per execution of this code! - * Luckily, my experiments show that in general use in a typical 8-bit - * color environment only about 1 in every 10000 allocations fails to - * succeed in the fastest possible time. So virtually every time what - * actually happens is a single sort followed by a successful allocate. - * The very first allocation also costs a colormap read, but no further - * reads are usually necessary. - */ - -#define ITERATIONS 2 /* more than one is almost never - * necessary */ - - for (n = 0; n <= ITERATIONS; ++n) { - CloseColor *closenesses = - (CloseColor *) XpmCalloc(ncols, sizeof(CloseColor)); - int i, c; - - for (i = 0; i < ncols; ++i) { /* build & sort closenesses table */ -#define COLOR_FACTOR 3 -#define BRIGHTNESS_FACTOR 1 - - closenesses[i].cols_index = i; - closenesses[i].closeness = - COLOR_FACTOR * (abs((long) col->red - (long) cols[i].red) - + abs((long) col->green - (long) cols[i].green) - + abs((long) col->blue - (long) cols[i].blue)) - + BRIGHTNESS_FACTOR * abs(((long) col->red + - (long) col->green + - (long) col->blue) - - ((long) cols[i].red + - (long) cols[i].green + - (long) cols[i].blue)); - } - qsort(closenesses, ncols, sizeof(CloseColor), closeness_cmp); - - i = 0; - c = closenesses[i].cols_index; - while ((long) cols[c].red >= (long) col->red - red_closeness && - (long) cols[c].red <= (long) col->red + red_closeness && - (long) cols[c].green >= (long) col->green - green_closeness && - (long) cols[c].green <= (long) col->green + green_closeness && - (long) cols[c].blue >= (long) col->blue - blue_closeness && - (long) cols[c].blue <= (long) col->blue + blue_closeness) { - if (alloc_color) { - if ((*allocColor)(display, colormap, NULL, &cols[c], closure)){ - if (n == ITERATIONS) - XUngrabServer(display); - XpmFree(closenesses); - *image_pixel = cols[c].pixel; - *mask_pixel = 1; - alloc_pixels[(*nalloc_pixels)++] = cols[c].pixel; - return (0); - } else { - ++i; - if (i == ncols) - break; - c = closenesses[i].cols_index; - } - } else { - if (n == ITERATIONS) - XUngrabServer(display); - XpmFree(closenesses); - *image_pixel = cols[c].pixel; - *mask_pixel = 1; - return (0); - } - } - - /* Couldn't allocate _any_ of the close colors! */ - - if (n == ITERATIONS) - XUngrabServer(display); - XpmFree(closenesses); - - if (i == 0 || i == ncols) /* no color close enough or cannot */ - return (1); /* alloc any color (full of r/w's) */ - - if ((*allocColor)(display, colormap, NULL, col, closure)) { - *image_pixel = col->pixel; - *mask_pixel = 1; - alloc_pixels[(*nalloc_pixels)++] = col->pixel; - return (0); - } else { /* colormap has probably changed, so - * re-read... */ - if (n == ITERATIONS - 1) - XGrabServer(display); - -#if 0 - if (visual->class == DirectColor) { - /* TODO */ - } else -#endif - XQueryColors(display, colormap, cols, ncols); - } - } - return (1); -} - -#define USE_CLOSECOLOR attributes && \ -(((attributes->valuemask & XpmCloseness) && attributes->closeness != 0) \ - || ((attributes->valuemask & XpmRGBCloseness) && \ - (attributes->red_closeness != 0 \ - || attributes->green_closeness != 0 \ - || attributes->blue_closeness != 0))) - -#else - /* FOR_MSW part */ - /* nothing to do here, the window system does it */ -#endif - -/* - * set the color pixel related to the given colorname, - * return 0 if success, 1 otherwise. - */ - -static int -SetColor(display, colormap, visual, colorname, color_index, - image_pixel, mask_pixel, mask_pixel_index, - alloc_pixels, nalloc_pixels, used_pixels, nused_pixels, - attributes, cols, ncols, allocColor, closure) - Display *display; - Colormap colormap; - Visual *visual; - char *colorname; - unsigned int color_index; - Pixel *image_pixel, *mask_pixel; - unsigned int *mask_pixel_index; - Pixel *alloc_pixels; - unsigned int *nalloc_pixels; - Pixel *used_pixels; - unsigned int *nused_pixels; - XpmAttributes *attributes; - XColor *cols; - int ncols; - XpmAllocColorFunc allocColor; - void *closure; -{ - XColor xcolor; - int status; - - if (xpmstrcasecmp(colorname, TRANSPARENT_COLOR)) { - status = (*allocColor)(display, colormap, colorname, &xcolor, closure); - if (status < 0) /* parse color failed */ - return (1); - - if (status == 0) { -#ifndef FOR_MSW - if (USE_CLOSECOLOR) - return (SetCloseColor(display, colormap, visual, &xcolor, - image_pixel, mask_pixel, - alloc_pixels, nalloc_pixels, - attributes, cols, ncols, - allocColor, closure)); - else -#endif /* ndef FOR_MSW */ - return (1); - } else - alloc_pixels[(*nalloc_pixels)++] = xcolor.pixel; - *image_pixel = xcolor.pixel; -#ifndef FOR_MSW - *mask_pixel = 1; -#else - *mask_pixel = RGB(0,0,0); -#endif - used_pixels[(*nused_pixels)++] = xcolor.pixel; - } else { - *image_pixel = 0; -#ifndef FOR_MSW - *mask_pixel = 0; -#else - *mask_pixel = RGB(255,255,255); -#endif - /* store the color table index */ - *mask_pixel_index = color_index; - } - return (0); -} - - -static int -CreateColors(display, attributes, colors, ncolors, image_pixels, mask_pixels, - mask_pixel_index, alloc_pixels, nalloc_pixels, - used_pixels, nused_pixels) - Display *display; - XpmAttributes *attributes; - XpmColor *colors; - unsigned int ncolors; - Pixel *image_pixels; - Pixel *mask_pixels; - unsigned int *mask_pixel_index; - Pixel *alloc_pixels; - unsigned int *nalloc_pixels; - Pixel *used_pixels; - unsigned int *nused_pixels; -{ - /* variables stored in the XpmAttributes structure */ - Visual *visual; - Colormap colormap; - XpmColorSymbol *colorsymbols = NULL; - unsigned int numsymbols; - XpmAllocColorFunc allocColor; - void *closure; - - char *colorname; - unsigned int color, key; - Bool pixel_defined; - XpmColorSymbol *symbol = NULL; - char **defaults; - int ErrorStatus = XpmSuccess; - char *s; - int default_index; - - XColor *cols = NULL; - unsigned int ncols = 0; - - /* - * retrieve information from the XpmAttributes - */ - if (attributes && attributes->valuemask & XpmColorSymbols) { - colorsymbols = attributes->colorsymbols; - numsymbols = attributes->numsymbols; - } else - numsymbols = 0; - - if (attributes && attributes->valuemask & XpmVisual) - visual = attributes->visual; - else - visual = XDefaultVisual(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmColormap)) - colormap = attributes->colormap; - else - colormap = XDefaultColormap(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmColorKey)) - key = attributes->color_key; - else - key = xpmVisualType(visual); - - if (attributes && (attributes->valuemask & XpmAllocColor)) - allocColor = attributes->alloc_color; - else - allocColor = AllocColor; - if (attributes && (attributes->valuemask & XpmColorClosure)) - closure = attributes->color_closure; - else - closure = NULL; - -#ifndef FOR_MSW - if (USE_CLOSECOLOR) { - /* originally from SetCloseColor */ -#if 0 - if (visual->class == DirectColor) { - - /* - * TODO: Implement close colors for DirectColor visuals. This is - * difficult situation. Chances are that we will never get here, - * because any machine that supports DirectColor will probably - * also support TrueColor (and probably PseudoColor). Also, - * DirectColor colormaps can be very large, so looking for close - * colors may be too slow. - */ - } else { -#endif - unsigned int i; - -#ifndef AMIGA - ncols = visual->map_entries; -#else - ncols = colormap->Count; -#endif - cols = (XColor *) XpmCalloc(ncols, sizeof(XColor)); - for (i = 0; i < ncols; ++i) - cols[i].pixel = i; - XQueryColors(display, colormap, cols, ncols); -#if 0 - } -#endif - } -#endif /* ndef FOR_MSW */ - - switch (key) { - case XPM_MONO: - default_index = 2; - break; - case XPM_GRAY4: - default_index = 3; - break; - case XPM_GRAY: - default_index = 4; - break; - case XPM_COLOR: - default: - default_index = 5; - break; - } - - for (color = 0; color < ncolors; color++, colors++, - image_pixels++, mask_pixels++) { - colorname = NULL; - pixel_defined = False; - defaults = (char **) colors; - - /* - * look for a defined symbol - */ - if (numsymbols) { - - unsigned int n; - - s = defaults[1]; - for (n = 0, symbol = colorsymbols; n < numsymbols; n++, symbol++) { - if (symbol->name && s && !strcmp(symbol->name, s)) - /* override name */ - break; - if (!symbol->name && symbol->value) { /* override value */ - int def_index = default_index; - - while (defaults[def_index] == NULL) /* find defined - * colorname */ - --def_index; - if (def_index < 2) {/* nothing towards mono, so try - * towards color */ - def_index = default_index + 1; - while (def_index <= 5 && defaults[def_index] == NULL) - ++def_index; - } - if (def_index >= 2 && defaults[def_index] != NULL && - !xpmstrcasecmp(symbol->value, defaults[def_index])) - break; - } - } - if (n != numsymbols) { - if (symbol->name && symbol->value) - colorname = symbol->value; - else - pixel_defined = True; - } - } - if (!pixel_defined) { /* pixel not given as symbol value */ - - unsigned int k; - - if (colorname) { /* colorname given as symbol value */ - if (!SetColor(display, colormap, visual, colorname, color, - image_pixels, mask_pixels, mask_pixel_index, - alloc_pixels, nalloc_pixels, used_pixels, - nused_pixels, attributes, cols, ncols, - allocColor, closure)) - pixel_defined = True; - else - ErrorStatus = XpmColorError; - } - k = key; - while (!pixel_defined && k > 1) { - if (defaults[k]) { - if (!SetColor(display, colormap, visual, defaults[k], - color, image_pixels, mask_pixels, - mask_pixel_index, alloc_pixels, - nalloc_pixels, used_pixels, nused_pixels, - attributes, cols, ncols, - allocColor, closure)) { - pixel_defined = True; - break; - } else - ErrorStatus = XpmColorError; - } - k--; - } - k = key + 1; - while (!pixel_defined && k < NKEYS + 1) { - if (defaults[k]) { - if (!SetColor(display, colormap, visual, defaults[k], - color, image_pixels, mask_pixels, - mask_pixel_index, alloc_pixels, - nalloc_pixels, used_pixels, nused_pixels, - attributes, cols, ncols, - allocColor, closure)) { - pixel_defined = True; - break; - } else - ErrorStatus = XpmColorError; - } - k++; - } - if (!pixel_defined) { - if (cols) - XpmFree(cols); - return (XpmColorFailed); - } - } else { - /* simply use the given pixel */ - *image_pixels = symbol->pixel; - /* the following makes the mask to be built even if none - is given a particular pixel */ - if (symbol->value - && !xpmstrcasecmp(symbol->value, TRANSPARENT_COLOR)) { - *mask_pixels = 0; - *mask_pixel_index = color; - } else - *mask_pixels = 1; - used_pixels[(*nused_pixels)++] = *image_pixels; - } - } - if (cols) - XpmFree(cols); - return (ErrorStatus); -} - - -/* default FreeColors function, simply call XFreeColors */ -static int -FreeColors(display, colormap, pixels, n, closure) - Display *display; - Colormap colormap; - Pixel *pixels; - int n; - void *closure; /* not used */ -{ - return XFreeColors(display, colormap, pixels, n, 0); -} - - -/* function call in case of error */ - -#undef RETURN -#define RETURN(status) \ -do \ -{ \ - ErrorStatus = status; \ - goto error; \ -} while(0) - -int -XpmCreateImageFromXpmImage(display, image, - image_return, shapeimage_return, attributes) - Display *display; - XpmImage *image; - XImage **image_return; - XImage **shapeimage_return; - XpmAttributes *attributes; -{ - /* variables stored in the XpmAttributes structure */ - Visual *visual; - Colormap colormap; - unsigned int depth; - int bitmap_format; - XpmFreeColorsFunc freeColors; - - /* variables to return */ - XImage *ximage = NULL; - XImage *shapeimage = NULL; - unsigned int mask_pixel_index = XpmUndefPixel; - int ErrorStatus; - - /* calculation variables */ - Pixel *image_pixels = NULL; - Pixel *mask_pixels = NULL; - Pixel *alloc_pixels = NULL; - Pixel *used_pixels = NULL; - unsigned int nalloc_pixels = 0; - unsigned int nused_pixels = 0; - - /* initialize return values */ - if (image_return) - *image_return = NULL; - if (shapeimage_return) - *shapeimage_return = NULL; - - /* retrieve information from the XpmAttributes */ - if (attributes && (attributes->valuemask & XpmVisual)) - visual = attributes->visual; - else - visual = XDefaultVisual(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmColormap)) - colormap = attributes->colormap; - else - colormap = XDefaultColormap(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmDepth)) - depth = attributes->depth; - else - depth = XDefaultDepth(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmBitmapFormat)) - bitmap_format = attributes->bitmap_format; - else - bitmap_format = ZPixmap; - - if (attributes && (attributes->valuemask & XpmFreeColors)) - freeColors = attributes->free_colors; - else - freeColors = FreeColors; - - ErrorStatus = XpmSuccess; - - if (image->ncolors >= UINT_MAX / sizeof(Pixel)) - return (XpmNoMemory); - - /* malloc pixels index tables */ - image_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * image->ncolors); - if (!image_pixels) - return (XpmNoMemory); - - mask_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * image->ncolors); - if (!mask_pixels) - RETURN(XpmNoMemory); - - /* maximum of allocated pixels will be the number of colors */ - alloc_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * image->ncolors); - if (!alloc_pixels) - RETURN(XpmNoMemory); - - /* maximum of allocated pixels will be the number of colors */ - used_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * image->ncolors); - if (!used_pixels) - RETURN(XpmNoMemory); - - /* get pixel colors, store them in index tables */ - ErrorStatus = CreateColors(display, attributes, image->colorTable, - image->ncolors, image_pixels, mask_pixels, - &mask_pixel_index, alloc_pixels, &nalloc_pixels, - used_pixels, &nused_pixels); - - if (ErrorStatus != XpmSuccess - && (ErrorStatus < 0 || (attributes - && (attributes->valuemask & XpmExactColors) - && attributes->exactColors))) - RETURN(ErrorStatus); - - /* create the ximage */ - if (image_return) { - ErrorStatus = CreateXImage(display, visual, depth, - (depth == 1 ? bitmap_format : ZPixmap), - image->width, image->height, &ximage); - if (ErrorStatus != XpmSuccess) - RETURN(ErrorStatus); - -#ifndef FOR_MSW -# ifndef AMIGA - - /* - * set the ximage data using optimized functions for ZPixmap - */ - - if (ximage->bits_per_pixel == 8) - PutImagePixels8(ximage, image->width, image->height, - image->data, image_pixels); - else if (((ximage->bits_per_pixel | ximage->depth) == 1) && - (ximage->byte_order == ximage->bitmap_bit_order)) - PutImagePixels1(ximage, image->width, image->height, - image->data, image_pixels); - else if (ximage->bits_per_pixel == 16) - PutImagePixels16(ximage, image->width, image->height, - image->data, image_pixels); - else if (ximage->bits_per_pixel == 32) - PutImagePixels32(ximage, image->width, image->height, - image->data, image_pixels); - else - PutImagePixels(ximage, image->width, image->height, - image->data, image_pixels); -# else /* AMIGA */ - APutImagePixels(ximage, image->width, image->height, - image->data, image_pixels); -# endif -#else /* FOR_MSW */ - MSWPutImagePixels(display, ximage, image->width, image->height, - image->data, image_pixels); -#endif - } - /* create the shape mask image */ - if (mask_pixel_index != XpmUndefPixel && shapeimage_return) { - ErrorStatus = CreateXImage(display, visual, 1, bitmap_format, - image->width, image->height, &shapeimage); - if (ErrorStatus != XpmSuccess) - RETURN(ErrorStatus); - -#ifndef FOR_MSW -# ifndef AMIGA - PutImagePixels1(shapeimage, image->width, image->height, - image->data, mask_pixels); -# else /* AMIGA */ - APutImagePixels(shapeimage, image->width, image->height, - image->data, mask_pixels); -# endif -#else /* FOR_MSW */ - MSWPutImagePixels(display, shapeimage, image->width, image->height, - image->data, mask_pixels); -#endif - - } - XpmFree(image_pixels); - XpmFree(mask_pixels); - - /* if requested return used pixels in the XpmAttributes structure */ - if (attributes && (attributes->valuemask & XpmReturnPixels || -/* 3.2 backward compatibility code */ - attributes->valuemask & XpmReturnInfos)) { -/* end 3.2 bc */ - attributes->pixels = used_pixels; - attributes->npixels = nused_pixels; - attributes->mask_pixel = mask_pixel_index; - } else - XpmFree(used_pixels); - - /* if requested return alloc'ed pixels in the XpmAttributes structure */ - if (attributes && (attributes->valuemask & XpmReturnAllocPixels)) { - attributes->alloc_pixels = alloc_pixels; - attributes->nalloc_pixels = nalloc_pixels; - } else - XpmFree(alloc_pixels); - - /* return created images */ - if (image_return) - *image_return = ximage; - if (shapeimage_return) - *shapeimage_return = shapeimage; - - return (ErrorStatus); - -/* exit point in case of error, free only locally allocated variables */ -error: - if (ximage) - XDestroyImage(ximage); - if (shapeimage) - XDestroyImage(shapeimage); - if (image_pixels) - XpmFree(image_pixels); - if (mask_pixels) - XpmFree(mask_pixels); - if (nalloc_pixels) - (*freeColors)(display, colormap, alloc_pixels, nalloc_pixels, NULL); - if (alloc_pixels) - XpmFree(alloc_pixels); - if (used_pixels) - XpmFree(used_pixels); - - return (ErrorStatus); -} - - -/* - * Create an XImage with its data - */ -static int -CreateXImage(display, visual, depth, format, width, height, image_return) - Display *display; - Visual *visual; - unsigned int depth; - int format; - unsigned int width; - unsigned int height; - XImage **image_return; -{ - int bitmap_pad; - - /* first get bitmap_pad */ - if (depth > 16) - bitmap_pad = 32; - else if (depth > 8) - bitmap_pad = 16; - else - bitmap_pad = 8; - - /* then create the XImage with data = NULL and bytes_per_line = 0 */ - *image_return = XCreateImage(display, visual, depth, format, 0, 0, - width, height, bitmap_pad, 0); - if (!*image_return) - return (XpmNoMemory); - -#if !defined(FOR_MSW) && !defined(AMIGA) - if (height != 0 && (*image_return)->bytes_per_line >= INT_MAX / height) { - XDestroyImage(*image_return); - return XpmNoMemory; - } - /* now that bytes_per_line must have been set properly alloc data */ - if((*image_return)->bytes_per_line == 0 || height == 0) - return XpmNoMemory; - (*image_return)->data = - (char *) XpmMalloc((*image_return)->bytes_per_line * height); - - if (!(*image_return)->data) { - XDestroyImage(*image_return); - *image_return = NULL; - return (XpmNoMemory); - } -#else - /* under FOR_MSW and AMIGA XCreateImage has done it all */ -#endif - return (XpmSuccess); -} - -#ifndef FOR_MSW -# ifndef AMIGA -/* - * The functions below are written from X11R5 MIT's code (XImUtil.c) - * - * The idea is to have faster functions than the standard XPutPixel function - * to build the image data. Indeed we can speed up things by suppressing tests - * performed for each pixel. We do the same tests but at the image level. - * We also assume that we use only ZPixmap images with null offsets. - */ - -LFUNC(_putbits, void, (register char *src, int dstoffset, - register int numbits, register char *dst)); - -LFUNC(_XReverse_Bytes, int, (register unsigned char *bpt, register unsigned int nb)); - -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 -}; - -static int -_XReverse_Bytes(bpt, nb) - register unsigned char *bpt; - register unsigned int nb; -{ - do { - *bpt = _reverse_byte[*bpt]; - bpt++; - } while (--nb > 0); /* is nb user-controled? */ - return 0; -} - - -void -xpm_xynormalizeimagebits(bp, img) - register unsigned char *bp; - register XImage *img; -{ - register unsigned char c; - - if (img->byte_order != img->bitmap_bit_order) { - switch (img->bitmap_unit) { - - case 16: - c = *bp; - *bp = *(bp + 1); - *(bp + 1) = c; - break; - - case 32: - c = *(bp + 3); - *(bp + 3) = *bp; - *bp = c; - c = *(bp + 2); - *(bp + 2) = *(bp + 1); - *(bp + 1) = c; - break; - } - } - if (img->bitmap_bit_order == MSBFirst) - _XReverse_Bytes(bp, img->bitmap_unit >> 3); -} - -void -xpm_znormalizeimagebits(bp, img) - register unsigned char *bp; - register XImage *img; -{ - register unsigned char c; - - switch (img->bits_per_pixel) { - - case 2: - _XReverse_Bytes(bp, 1); - break; - - case 4: - *bp = ((*bp >> 4) & 0xF) | ((*bp << 4) & ~0xF); - break; - - case 16: - c = *bp; - *bp = *(bp + 1); - *(bp + 1) = c; - break; - - case 24: - c = *(bp + 2); - *(bp + 2) = *bp; - *bp = c; - break; - - case 32: - c = *(bp + 3); - *(bp + 3) = *bp; - *bp = c; - c = *(bp + 2); - *(bp + 2) = *(bp + 1); - *(bp + 1) = c; - break; - } -} - -static unsigned char Const _lomask[0x09] = { -0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff}; -static unsigned char Const _himask[0x09] = { -0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00}; - -static void -_putbits(src, dstoffset, numbits, dst) - register char *src; /* address of source bit string */ - int dstoffset; /* bit offset into destination; - * range is 0-31 */ - register int numbits; /* number of bits to copy to - * destination */ - register char *dst; /* address of destination bit string */ -{ - register unsigned char chlo, chhi; - int hibits; - - dst = dst + (dstoffset >> 3); - dstoffset = dstoffset & 7; - hibits = 8 - dstoffset; - chlo = *dst & _lomask[dstoffset]; - for (;;) { - chhi = (*src << dstoffset) & _himask[dstoffset]; - if (numbits <= hibits) { - chhi = chhi & _lomask[dstoffset + numbits]; - *dst = (*dst & _himask[dstoffset + numbits]) | chlo | chhi; - break; - } - *dst = chhi | chlo; - dst++; - numbits = numbits - hibits; - chlo = (unsigned char) (*src & _himask[hibits]) >> hibits; - src++; - if (numbits <= dstoffset) { - chlo = chlo & _lomask[numbits]; - *dst = (*dst & _himask[numbits]) | chlo; - break; - } - numbits = numbits - dstoffset; - } -} - -/* - * Default method to write pixels into a Z image data structure. - * The algorithm used is: - * - * copy the destination bitmap_unit or Zpixel to temp - * normalize temp if needed - * copy the pixel bits into the temp - * renormalize temp if needed - * copy the temp back into the destination image data - */ - -static void -PutImagePixels(image, width, height, pixelindex, pixels) - XImage *image; - unsigned int width; - unsigned int height; - unsigned int *pixelindex; - Pixel *pixels; -{ - register char *src; - register char *dst; - register unsigned int *iptr; - register unsigned int x, y; - register char *data; - Pixel pixel, px; - int nbytes, depth, ibu, ibpp, i; - - data = image->data; - iptr = pixelindex; - depth = image->depth; - if (depth == 1) { - ibu = image->bitmap_unit; - for (y = 0; y < height; y++) /* how can we trust height */ - for (x = 0; x < width; x++, iptr++) { /* how can we trust width */ - pixel = pixels[*iptr]; - for (i = 0, px = pixel; i < sizeof(unsigned long); - i++, px >>= 8) - ((unsigned char *) &pixel)[i] = px; - src = &data[XYINDEX(x, y, image)]; - dst = (char *) &px; - px = 0; - nbytes = ibu >> 3; - for (i = nbytes; --i >= 0;) - *dst++ = *src++; - XYNORMALIZE(&px, image); - _putbits((char *) &pixel, (x % ibu), 1, (char *) &px); - XYNORMALIZE(&px, image); - src = (char *) &px; - dst = &data[XYINDEX(x, y, image)]; - for (i = nbytes; --i >= 0;) - *dst++ = *src++; - } - } else { - ibpp = image->bits_per_pixel; - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - pixel = pixels[*iptr]; - if (depth == 4) - pixel &= 0xf; - for (i = 0, px = pixel; i < sizeof(unsigned long); i++, - px >>= 8) - ((unsigned char *) &pixel)[i] = px; - src = &data[ZINDEX(x, y, image)]; - dst = (char *) &px; - px = 0; - nbytes = (ibpp + 7) >> 3; - for (i = nbytes; --i >= 0;) - *dst++ = *src++; - ZNORMALIZE(&px, image); - _putbits((char *) &pixel, (x * ibpp) & 7, ibpp, (char *) &px); - ZNORMALIZE(&px, image); - src = (char *) &px; - dst = &data[ZINDEX(x, y, image)]; - for (i = nbytes; --i >= 0;) - *dst++ = *src++; - } - } -} - -/* - * write pixels into a 32-bits Z image data structure - */ - -#if !defined(WORD64) && !defined(LONG64) -/* this item is static but deterministic so let it slide; doesn't - * hurt re-entrancy of this library. Note if it is actually const then would - * be OK under rules of ANSI-C but probably not C++ which may not - * want to allocate space for it. - */ -static unsigned long byteorderpixel = MSBFirst << 24; - -#endif - -/* - WITHOUT_SPEEDUPS is a flag to be turned on if you wish to use the original - 3.2e code - by default you get the speeded-up version. -*/ - -static void -PutImagePixels32(image, width, height, pixelindex, pixels) - XImage *image; - unsigned int width; - unsigned int height; - unsigned int *pixelindex; - Pixel *pixels; -{ - unsigned char *data; - unsigned int *iptr; - unsigned int y; - Pixel pixel; - -#ifdef WITHOUT_SPEEDUPS - - unsigned int x; - unsigned char *addr; - - data = (unsigned char *) image->data; - iptr = pixelindex; -#if !defined(WORD64) && !defined(LONG64) - if (*((char *) &byteorderpixel) == image->byte_order) { - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - addr = &data[ZINDEX32(x, y, image)]; - *((unsigned long *) addr) = pixels[*iptr]; - } - } else -#endif - if (image->byte_order == MSBFirst) - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - addr = &data[ZINDEX32(x, y, image)]; - pixel = pixels[*iptr]; - addr[0] = pixel >> 24; - addr[1] = pixel >> 16; - addr[2] = pixel >> 8; - addr[3] = pixel; - } - else - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - addr = &data[ZINDEX32(x, y, image)]; - pixel = pixels[*iptr]; - addr[0] = pixel; - addr[1] = pixel >> 8; - addr[2] = pixel >> 16; - addr[3] = pixel >> 24; - } - -#else /* WITHOUT_SPEEDUPS */ - - unsigned int bpl = image->bytes_per_line; - unsigned char *data_ptr, *max_data; - - data = (unsigned char *) image->data; - iptr = pixelindex; -#if !defined(WORD64) && !defined(LONG64) - if (*((char *) &byteorderpixel) == image->byte_order) { - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + (width << 2); - - while (data_ptr < max_data) { - *((unsigned long *) data_ptr) = pixels[*(iptr++)]; - data_ptr += (1 << 2); - } - data += bpl; - } - } else -#endif - if (image->byte_order == MSBFirst) - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + (width << 2); - - while (data_ptr < max_data) { - pixel = pixels[*(iptr++)]; - - *data_ptr++ = pixel >> 24; - *data_ptr++ = pixel >> 16; - *data_ptr++ = pixel >> 8; - *data_ptr++ = pixel; - - } - data += bpl; - } - else - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + (width << 2); - - while (data_ptr < max_data) { - pixel = pixels[*(iptr++)]; - - *data_ptr++ = pixel; - *data_ptr++ = pixel >> 8; - *data_ptr++ = pixel >> 16; - *data_ptr++ = pixel >> 24; - } - data += bpl; - } - -#endif /* WITHOUT_SPEEDUPS */ -} - -/* - * write pixels into a 16-bits Z image data structure - */ - -static void -PutImagePixels16(image, width, height, pixelindex, pixels) - XImage *image; - unsigned int width; - unsigned int height; - unsigned int *pixelindex; - Pixel *pixels; -{ - unsigned char *data; - unsigned int *iptr; - unsigned int y; - -#ifdef WITHOUT_SPEEDUPS - - unsigned int x; - unsigned char *addr; - - data = (unsigned char *) image->data; - iptr = pixelindex; - if (image->byte_order == MSBFirst) - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - addr = &data[ZINDEX16(x, y, image)]; - addr[0] = pixels[*iptr] >> 8; - addr[1] = pixels[*iptr]; - } - else - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - addr = &data[ZINDEX16(x, y, image)]; - addr[0] = pixels[*iptr]; - addr[1] = pixels[*iptr] >> 8; - } - -#else /* WITHOUT_SPEEDUPS */ - - Pixel pixel; - - unsigned int bpl = image->bytes_per_line; - unsigned char *data_ptr, *max_data; - - data = (unsigned char *) image->data; - iptr = pixelindex; - if (image->byte_order == MSBFirst) - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + (width << 1); - - while (data_ptr < max_data) { - pixel = pixels[*(iptr++)]; - - data_ptr[0] = pixel >> 8; - data_ptr[1] = pixel; - - data_ptr += (1 << 1); - } - data += bpl; - } - else - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + (width << 1); - - while (data_ptr < max_data) { - pixel = pixels[*(iptr++)]; - - data_ptr[0] = pixel; - data_ptr[1] = pixel >> 8; - - data_ptr += (1 << 1); - } - data += bpl; - } - -#endif /* WITHOUT_SPEEDUPS */ -} - -/* - * write pixels into a 8-bits Z image data structure - */ - -static void -PutImagePixels8(image, width, height, pixelindex, pixels) - XImage *image; - unsigned int width; - unsigned int height; - unsigned int *pixelindex; - Pixel *pixels; -{ - char *data; - unsigned int *iptr; - unsigned int y; - -#ifdef WITHOUT_SPEEDUPS - - unsigned int x; - - data = image->data; - iptr = pixelindex; - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) - data[ZINDEX8(x, y, image)] = pixels[*iptr]; - -#else /* WITHOUT_SPEEDUPS */ - - unsigned int bpl = image->bytes_per_line; - char *data_ptr, *max_data; - - data = image->data; - iptr = pixelindex; - - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + width; - - while (data_ptr < max_data) - *(data_ptr++) = pixels[*(iptr++)]; - - data += bpl; - } - -#endif /* WITHOUT_SPEEDUPS */ -} - -/* - * write pixels into a 1-bit depth image data structure and **offset null** - */ - -static void -PutImagePixels1(image, width, height, pixelindex, pixels) - XImage *image; - unsigned int width; - unsigned int height; - unsigned int *pixelindex; - Pixel *pixels; -{ - if (image->byte_order != image->bitmap_bit_order) - PutImagePixels(image, width, height, pixelindex, pixels); - else { - unsigned int *iptr; - unsigned int y; - char *data; - -#ifdef WITHOUT_SPEEDUPS - - unsigned int x; - - data = image->data; - iptr = pixelindex; - if (image->bitmap_bit_order == MSBFirst) - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - if (pixels[*iptr] & 1) - data[ZINDEX1(x, y, image)] |= 0x80 >> (x & 7); - else - data[ZINDEX1(x, y, image)] &= ~(0x80 >> (x & 7)); - } - else - for (y = 0; y < height; y++) - for (x = 0; x < width; x++, iptr++) { - if (pixels[*iptr] & 1) - data[ZINDEX1(x, y, image)] |= 1 << (x & 7); - else - data[ZINDEX1(x, y, image)] &= ~(1 << (x & 7)); - } - -#else /* WITHOUT_SPEEDUPS */ - - char value; - char *data_ptr, *max_data; - int bpl = image->bytes_per_line; - int diff, count; - - data = image->data; - iptr = pixelindex; - - diff = width & 7; - width >>= 3; - - if (image->bitmap_bit_order == MSBFirst) - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + width; - while (data_ptr < max_data) { - value = 0; - - value = (value << 1) | (pixels[*(iptr++)] & 1); - value = (value << 1) | (pixels[*(iptr++)] & 1); - value = (value << 1) | (pixels[*(iptr++)] & 1); - value = (value << 1) | (pixels[*(iptr++)] & 1); - value = (value << 1) | (pixels[*(iptr++)] & 1); - value = (value << 1) | (pixels[*(iptr++)] & 1); - value = (value << 1) | (pixels[*(iptr++)] & 1); - value = (value << 1) | (pixels[*(iptr++)] & 1); - - *(data_ptr++) = value; - } - if (diff) { - value = 0; - for (count = 0; count < diff; count++) { - if (pixels[*(iptr++)] & 1) - value |= (0x80 >> count); - } - *(data_ptr) = value; - } - data += bpl; - } - else - for (y = 0; y < height; y++) { - data_ptr = data; - max_data = data_ptr + width; - while (data_ptr < max_data) { - value = 0; - iptr += 8; - - value = (value << 1) | (pixels[*(--iptr)] & 1); - value = (value << 1) | (pixels[*(--iptr)] & 1); - value = (value << 1) | (pixels[*(--iptr)] & 1); - value = (value << 1) | (pixels[*(--iptr)] & 1); - value = (value << 1) | (pixels[*(--iptr)] & 1); - value = (value << 1) | (pixels[*(--iptr)] & 1); - value = (value << 1) | (pixels[*(--iptr)] & 1); - value = (value << 1) | (pixels[*(--iptr)] & 1); - - iptr += 8; - *(data_ptr++) = value; - } - if (diff) { - value = 0; - for (count = 0; count < diff; count++) { - if (pixels[*(iptr++)] & 1) - value |= (1 << count); - } - *(data_ptr) = value; - } - data += bpl; - } - -#endif /* WITHOUT_SPEEDUPS */ - } -} - -int -XpmCreatePixmapFromXpmImage(display, d, image, - pixmap_return, shapemask_return, attributes) - Display *display; - Drawable d; - XpmImage *image; - Pixmap *pixmap_return; - Pixmap *shapemask_return; - XpmAttributes *attributes; -{ - XImage *ximage, *shapeimage; - int ErrorStatus; - - /* initialize return values */ - if (pixmap_return) - *pixmap_return = 0; - if (shapemask_return) - *shapemask_return = 0; - - /* create the ximages */ - ErrorStatus = XpmCreateImageFromXpmImage(display, image, - (pixmap_return ? &ximage : NULL), - (shapemask_return ? - &shapeimage : NULL), - attributes); - if (ErrorStatus < 0) - return (ErrorStatus); - - /* create the pixmaps and destroy images */ - if (pixmap_return && ximage) { - xpmCreatePixmapFromImage(display, d, ximage, pixmap_return); - XDestroyImage(ximage); - } - if (shapemask_return && shapeimage) { - xpmCreatePixmapFromImage(display, d, shapeimage, shapemask_return); - XDestroyImage(shapeimage); - } - return (ErrorStatus); -} - -# else /* AMIGA */ - -static void -APutImagePixels ( - XImage *image, - unsigned int width, - unsigned int height, - unsigned int *pixelindex, - Pixel *pixels) -{ - unsigned int *data = pixelindex; - unsigned int x, y; - unsigned char *array; - XImage *tmp_img; - BOOL success = FALSE; - - array = XpmMalloc ((((width+15)>>4)<<4)*sizeof (*array)); - if (array != NULL) - { - tmp_img = AllocXImage ((((width+15)>>4)<<4), 1, - image->rp->BitMap->Depth); - if (tmp_img != NULL) - { - for (y = 0; y < height; ++y) - { - for (x = 0; x < width; ++x) - array[x] = pixels[*(data++)]; - WritePixelLine8 (image->rp, 0, y, width, array, tmp_img->rp); - } - FreeXImage (tmp_img); - success = TRUE; - } - XpmFree (array); - } - - if (!success) - { - for (y = 0; y < height; ++y) - for (x = 0; x < width; ++x) - XPutPixel (image, x, y, pixels[*(data++)]); - } -} - -# endif/* AMIGA */ -#else /* FOR_MSW part follows */ -static void -MSWPutImagePixels(dc, image, width, height, pixelindex, pixels) - Display *dc; - XImage *image; - unsigned int width; - unsigned int height; - unsigned int *pixelindex; - Pixel *pixels; -{ - unsigned int *data = pixelindex; - unsigned int x, y; - HBITMAP obm; - - obm = SelectObject(*dc, image->bitmap); - for (y = 0; y < height; y++) { - for (x = 0; x < width; x++) { - SetPixel(*dc, x, y, pixels[*(data++)]); /* data is [x+y*width] */ - } - } - SelectObject(*dc, obm); -} - -#endif /* FOR_MSW */ - - - -#if !defined(FOR_MSW) && !defined(AMIGA) - -static int -PutPixel1(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - register char *src; - register char *dst; - register int i; - Pixel px; - int nbytes; - - if(x < 0 || y < 0) - return 0; - - for (i=0, px=pixel; i<sizeof(unsigned long); i++, px>>=8) - ((unsigned char *)&pixel)[i] = px; - src = &ximage->data[XYINDEX(x, y, ximage)]; - dst = (char *)&px; - px = 0; - nbytes = ximage->bitmap_unit >> 3; - for (i = nbytes; --i >= 0; ) *dst++ = *src++; - XYNORMALIZE(&px, ximage); - i = ((x + ximage->xoffset) % ximage->bitmap_unit); - _putbits ((char *)&pixel, i, 1, (char *)&px); - XYNORMALIZE(&px, ximage); - src = (char *) &px; - dst = &ximage->data[XYINDEX(x, y, ximage)]; - for (i = nbytes; --i >= 0; ) - *dst++ = *src++; - - return 1; -} - -static int -PutPixel(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - register char *src; - register char *dst; - register int i; - Pixel px; - unsigned int nbytes, ibpp; - - if(x < 0 || y < 0) - return 0; - - ibpp = ximage->bits_per_pixel; - if (ximage->depth == 4) - pixel &= 0xf; - for (i = 0, px = pixel; i < sizeof(unsigned long); i++, px >>= 8) - ((unsigned char *) &pixel)[i] = px; - src = &ximage->data[ZINDEX(x, y, ximage)]; - dst = (char *) &px; - px = 0; - nbytes = (ibpp + 7) >> 3; - for (i = nbytes; --i >= 0;) - *dst++ = *src++; - ZNORMALIZE(&px, ximage); - _putbits((char *) &pixel, (x * ibpp) & 7, ibpp, (char *) &px); - ZNORMALIZE(&px, ximage); - src = (char *) &px; - dst = &ximage->data[ZINDEX(x, y, ximage)]; - for (i = nbytes; --i >= 0;) - *dst++ = *src++; - - return 1; -} - -#if !defined(WORD64) && !defined(LONG64) -static int -PutPixel32(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - unsigned char *addr; - - if(x < 0 || y < 0) - return 0; - - addr = &((unsigned char *)ximage->data) [ZINDEX32(x, y, ximage)]; - *((unsigned long *)addr) = pixel; - return 1; -} -#endif - -static int -PutPixel32MSB(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - unsigned char *addr; - - if(x < 0 || y < 0) - return 0; - - addr = &((unsigned char *)ximage->data) [ZINDEX32(x, y, ximage)]; - addr[0] = pixel >> 24; - addr[1] = pixel >> 16; - addr[2] = pixel >> 8; - addr[3] = pixel; - return 1; -} - -static int -PutPixel32LSB(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - unsigned char *addr; - - if(x < 0 || y < 0) - return 0; - - addr = &((unsigned char *)ximage->data) [ZINDEX32(x, y, ximage)]; - addr[3] = pixel >> 24; - addr[2] = pixel >> 16; - addr[1] = pixel >> 8; - addr[0] = pixel; - return 1; -} - -static int -PutPixel16MSB(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - unsigned char *addr; - - if(x < 0 || y < 0) - return 0; - - addr = &((unsigned char *)ximage->data) [ZINDEX16(x, y, ximage)]; - addr[0] = pixel >> 8; - addr[1] = pixel; - return 1; -} - -static int -PutPixel16LSB(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - unsigned char *addr; - - if(x < 0 || y < 0) - return 0; - - addr = &((unsigned char *)ximage->data) [ZINDEX16(x, y, ximage)]; - addr[1] = pixel >> 8; - addr[0] = pixel; - return 1; -} - -static int -PutPixel8(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - if(x < 0 || y < 0) - return 0; - - ximage->data[ZINDEX8(x, y, ximage)] = pixel; - return 1; -} - -static int -PutPixel1MSB(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - if(x < 0 || y < 0) - return 0; - - if (pixel & 1) - ximage->data[ZINDEX1(x, y, ximage)] |= 0x80 >> (x & 7); - else - ximage->data[ZINDEX1(x, y, ximage)] &= ~(0x80 >> (x & 7)); - return 1; -} - -static int -PutPixel1LSB(ximage, x, y, pixel) - register XImage *ximage; - int x; - int y; - unsigned long pixel; -{ - if(x < 0 || y < 0) - return 0; - - if (pixel & 1) - ximage->data[ZINDEX1(x, y, ximage)] |= 1 << (x & 7); - else - ximage->data[ZINDEX1(x, y, ximage)] &= ~(1 << (x & 7)); - return 1; -} - -#endif /* not FOR_MSW && not AMIGA */ - -/* - * This function parses an Xpm file or data and directly create an XImage - */ -int -xpmParseDataAndCreate(display, data, image_return, shapeimage_return, - image, info, attributes) - Display *display; - xpmData *data; - XImage **image_return; - XImage **shapeimage_return; - XpmImage *image; - XpmInfo *info; - XpmAttributes *attributes; -{ - /* variables stored in the XpmAttributes structure */ - Visual *visual; - Colormap colormap; - unsigned int depth; - int bitmap_format; - XpmFreeColorsFunc freeColors; - - /* variables to return */ - XImage *ximage = NULL; - XImage *shapeimage = NULL; - unsigned int mask_pixel_index = XpmUndefPixel; - - /* calculation variables */ - Pixel *image_pixels = NULL; - Pixel *mask_pixels = NULL; - Pixel *alloc_pixels = NULL; - Pixel *used_pixels = NULL; - unsigned int nalloc_pixels = 0; - unsigned int nused_pixels = 0; - unsigned int width, height, ncolors, cpp; - unsigned int x_hotspot, y_hotspot, hotspot = 0, extensions = 0; - XpmColor *colorTable = NULL; - char *hints_cmt = NULL; - char *colors_cmt = NULL; - char *pixels_cmt = NULL; - - unsigned int cmts; - int ErrorStatus; - xpmHashTable hashtable; - - - /* initialize return values */ - if (image_return) - *image_return = NULL; - if (shapeimage_return) - *shapeimage_return = NULL; - - - /* retrieve information from the XpmAttributes */ - if (attributes && (attributes->valuemask & XpmVisual)) - visual = attributes->visual; - else - visual = XDefaultVisual(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmColormap)) - colormap = attributes->colormap; - else - colormap = XDefaultColormap(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmDepth)) - depth = attributes->depth; - else - depth = XDefaultDepth(display, XDefaultScreen(display)); - - if (attributes && (attributes->valuemask & XpmBitmapFormat)) - bitmap_format = attributes->bitmap_format; - else - bitmap_format = ZPixmap; - - if (attributes && (attributes->valuemask & XpmFreeColors)) - freeColors = attributes->free_colors; - else - freeColors = FreeColors; - - cmts = info && (info->valuemask & XpmReturnComments); - - /* - * parse the header - */ - ErrorStatus = xpmParseHeader(data); - if (ErrorStatus != XpmSuccess) - return (ErrorStatus); - - /* - * read values - */ - ErrorStatus = xpmParseValues(data, &width, &height, &ncolors, &cpp, - &x_hotspot, &y_hotspot, &hotspot, - &extensions); - if (ErrorStatus != XpmSuccess) - return (ErrorStatus); - - /* - * store the hints comment line - */ - if (cmts) - xpmGetCmt(data, &hints_cmt); - - /* - * init the hastable - */ - if (USE_HASHTABLE) { - ErrorStatus = xpmHashTableInit(&hashtable); - if (ErrorStatus != XpmSuccess) - return (ErrorStatus); - } - - /* - * read colors - */ - ErrorStatus = xpmParseColors(data, ncolors, cpp, &colorTable, &hashtable); - if (ErrorStatus != XpmSuccess) - RETURN(ErrorStatus); - - /* - * store the colors comment line - */ - if (cmts) - xpmGetCmt(data, &colors_cmt); - - /* malloc pixels index tables */ - if (ncolors >= UINT_MAX / sizeof(Pixel)) - RETURN(XpmNoMemory); - - image_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * ncolors); - if (!image_pixels) - RETURN(XpmNoMemory); - - mask_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * ncolors); - if (!mask_pixels) - RETURN(XpmNoMemory); - - /* maximum of allocated pixels will be the number of colors */ - alloc_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * ncolors); - if (!alloc_pixels) - RETURN(XpmNoMemory); - - /* maximum of allocated pixels will be the number of colors */ - used_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * ncolors); - if (!used_pixels) - RETURN(XpmNoMemory); - - /* get pixel colors, store them in index tables */ - ErrorStatus = CreateColors(display, attributes, colorTable, ncolors, - image_pixels, mask_pixels, &mask_pixel_index, - alloc_pixels, &nalloc_pixels, used_pixels, - &nused_pixels); - - if (ErrorStatus != XpmSuccess - && (ErrorStatus < 0 || (attributes - && (attributes->valuemask & XpmExactColors) - && attributes->exactColors))) - RETURN(ErrorStatus); - - /* now create the ximage */ - if (image_return) { - ErrorStatus = CreateXImage(display, visual, depth, - (depth == 1 ? bitmap_format : ZPixmap), - width, height, &ximage); - if (ErrorStatus != XpmSuccess) - RETURN(ErrorStatus); - -#if !defined(FOR_MSW) && !defined(AMIGA) - - /* - * set the XImage pointer function, to be used with XPutPixel, - * to an internal optimized function - */ - - if (ximage->bits_per_pixel == 8) - ximage->f.put_pixel = PutPixel8; - else if (((ximage->bits_per_pixel | ximage->depth) == 1) && - (ximage->byte_order == ximage->bitmap_bit_order)) - if (ximage->bitmap_bit_order == MSBFirst) - ximage->f.put_pixel = PutPixel1MSB; - else - ximage->f.put_pixel = PutPixel1LSB; - else if (ximage->bits_per_pixel == 16) - if (ximage->bitmap_bit_order == MSBFirst) - ximage->f.put_pixel = PutPixel16MSB; - else - ximage->f.put_pixel = PutPixel16LSB; - else if (ximage->bits_per_pixel == 32) -#if !defined(WORD64) && !defined(LONG64) - if (*((char *)&byteorderpixel) == ximage->byte_order) - ximage->f.put_pixel = PutPixel32; - else -#endif - if (ximage->bitmap_bit_order == MSBFirst) - ximage->f.put_pixel = PutPixel32MSB; - else - ximage->f.put_pixel = PutPixel32LSB; - else if ((ximage->bits_per_pixel | ximage->depth) == 1) - ximage->f.put_pixel = PutPixel1; - else - ximage->f.put_pixel = PutPixel; -#endif /* not FOR_MSW && not AMIGA */ - } - - /* create the shape mask image */ - if (mask_pixel_index != XpmUndefPixel && shapeimage_return) { - ErrorStatus = CreateXImage(display, visual, 1, bitmap_format, - width, height, &shapeimage); - if (ErrorStatus != XpmSuccess) - RETURN(ErrorStatus); - -#if !defined(FOR_MSW) && !defined(AMIGA) - if (shapeimage->bitmap_bit_order == MSBFirst) - shapeimage->f.put_pixel = PutPixel1MSB; - else - shapeimage->f.put_pixel = PutPixel1LSB; -#endif - } - - /* - * read pixels and put them in the XImage - */ - ErrorStatus = ParseAndPutPixels( -#ifdef FOR_MSW - display, -#endif - data, width, height, ncolors, cpp, - colorTable, &hashtable, - ximage, image_pixels, - shapeimage, mask_pixels); - XpmFree(image_pixels); - image_pixels = NULL; - XpmFree(mask_pixels); - mask_pixels = NULL; - - /* - * free the hastable - */ - if (ErrorStatus != XpmSuccess) - RETURN(ErrorStatus); - else if (USE_HASHTABLE) - xpmHashTableFree(&hashtable); - - /* - * store the pixels comment line - */ - if (cmts) - xpmGetCmt(data, &pixels_cmt); - - /* - * parse extensions - */ - if (info && (info->valuemask & XpmReturnExtensions)) { - if (extensions) { - ErrorStatus = xpmParseExtensions(data, &info->extensions, - &info->nextensions); - if (ErrorStatus != XpmSuccess) - RETURN(ErrorStatus); - } else { - info->extensions = NULL; - info->nextensions = 0; - } - } - /* - * store found informations in the XpmImage structure - */ - image->width = width; - image->height = height; - image->cpp = cpp; - image->ncolors = ncolors; - image->colorTable = colorTable; - image->data = NULL; - - if (info) { - if (cmts) { - info->hints_cmt = hints_cmt; - info->colors_cmt = colors_cmt; - info->pixels_cmt = pixels_cmt; - } - if (hotspot) { - info->x_hotspot = x_hotspot; - info->y_hotspot = y_hotspot; - info->valuemask |= XpmHotspot; - } - } - /* if requested return used pixels in the XpmAttributes structure */ - if (attributes && (attributes->valuemask & XpmReturnPixels || -/* 3.2 backward compatibility code */ - attributes->valuemask & XpmReturnInfos)) { -/* end 3.2 bc */ - attributes->pixels = used_pixels; - attributes->npixels = nused_pixels; - attributes->mask_pixel = mask_pixel_index; - } else - XpmFree(used_pixels); - - /* if requested return alloc'ed pixels in the XpmAttributes structure */ - if (attributes && (attributes->valuemask & XpmReturnAllocPixels)) { - attributes->alloc_pixels = alloc_pixels; - attributes->nalloc_pixels = nalloc_pixels; - } else - XpmFree(alloc_pixels); - - /* return created images */ - if (image_return) - *image_return = ximage; - if (shapeimage_return) - *shapeimage_return = shapeimage; - - return (XpmSuccess); - -/* exit point in case of error, free only locally allocated variables */ -error: - if (USE_HASHTABLE) - xpmHashTableFree(&hashtable); - if (colorTable) - xpmFreeColorTable(colorTable, ncolors); - if (hints_cmt) - XpmFree(hints_cmt); - if (colors_cmt) - XpmFree(colors_cmt); - if (pixels_cmt) - XpmFree(pixels_cmt); - if (ximage) - XDestroyImage(ximage); - if (shapeimage) - XDestroyImage(shapeimage); - if (image_pixels) - XpmFree(image_pixels); - if (mask_pixels) - XpmFree(mask_pixels); - if (nalloc_pixels) - (*freeColors)(display, colormap, alloc_pixels, nalloc_pixels, NULL); - if (alloc_pixels) - XpmFree(alloc_pixels); - if (used_pixels) - XpmFree(used_pixels); - - return (ErrorStatus); -} - -static int -ParseAndPutPixels( -#ifdef FOR_MSW - dc, -#endif - data, width, height, ncolors, cpp, colorTable, hashtable, - image, image_pixels, shapeimage, shape_pixels) -#ifdef FOR_MSW - Display *dc; -#endif - xpmData *data; - unsigned int width; - unsigned int height; - unsigned int ncolors; - unsigned int cpp; - XpmColor *colorTable; - xpmHashTable *hashtable; - XImage *image; - Pixel *image_pixels; - XImage *shapeimage; - Pixel *shape_pixels; -{ - unsigned int a, x, y; - - switch (cpp) { - - case (1): /* Optimize for single character - * colors */ - { - unsigned short colidx[256]; -#ifdef FOR_MSW - HDC shapedc; - HBITMAP obm, sobm; - - if ( shapeimage ) { - shapedc = CreateCompatibleDC(*dc); - sobm = SelectObject(shapedc, shapeimage->bitmap); - } else { - shapedc = NULL; - } - obm = SelectObject(*dc, image->bitmap); -#endif - if (ncolors > 256) - return (XpmFileInvalid); - - bzero((char *)colidx, 256 * sizeof(short)); - for (a = 0; a < ncolors; a++) - colidx[(unsigned char)colorTable[a].string[0]] = a + 1; - - for (y = 0; y < height; y++) { - xpmNextString(data); - for (x = 0; x < width; x++) { - int c = xpmGetC(data); - - if (c > 0 && c < 256 && colidx[c] != 0) { -#ifndef FOR_MSW - XPutPixel(image, x, y, image_pixels[colidx[c] - 1]); - if (shapeimage) - XPutPixel(shapeimage, x, y, - shape_pixels[colidx[c] - 1]); -#else - SetPixel(*dc, x, y, image_pixels[colidx[c] - 1]); - if (shapedc) { - SetPixel(shapedc, x, y, shape_pixels[colidx[c] - 1]); - } -#endif - } else - return (XpmFileInvalid); - } - } -#ifdef FOR_MSW - if ( shapedc ) { - SelectObject(shapedc, sobm); - DeleteDC(shapedc); - } - SelectObject(*dc, obm); -#endif - } - break; - - case (2): /* Optimize for double character - * colors */ - { - -/* free all allocated pointers at all exits */ -#define FREE_CIDX {int f; for (f = 0; f < 256; f++) \ -if (cidx[f]) XpmFree(cidx[f]);} - - /* array of pointers malloced by need */ - unsigned short *cidx[256]; - unsigned int char1; - - bzero((char *)cidx, 256 * sizeof(unsigned short *)); /* init */ - for (a = 0; a < ncolors; a++) { - char1 = (unsigned char) colorTable[a].string[0]; - if (cidx[char1] == NULL) { /* get new memory */ - cidx[char1] = (unsigned short *) - XpmCalloc(256, sizeof(unsigned short)); - if (cidx[char1] == NULL) { /* new block failed */ - FREE_CIDX; - return (XpmNoMemory); - } - } - cidx[char1][(unsigned char)colorTable[a].string[1]] = a + 1; - } - - for (y = 0; y < height; y++) { - xpmNextString(data); - for (x = 0; x < width; x++) { - int cc1 = xpmGetC(data); - if (cc1 > 0 && cc1 < 256) { - int cc2 = xpmGetC(data); - if (cc2 > 0 && cc2 < 256 && - cidx[cc1] && cidx[cc1][cc2] != 0) { -#ifndef FOR_MSW - XPutPixel(image, x, y, - image_pixels[cidx[cc1][cc2] - 1]); - if (shapeimage) - XPutPixel(shapeimage, x, y, - shape_pixels[cidx[cc1][cc2] - 1]); -#else - SelectObject(*dc, image->bitmap); - SetPixel(*dc, x, y, image_pixels[cidx[cc1][cc2] - 1]); - if (shapeimage) { - SelectObject(*dc, shapeimage->bitmap); - SetPixel(*dc, x, y, - shape_pixels[cidx[cc1][cc2] - 1]); - } -#endif - } else { - FREE_CIDX; - return (XpmFileInvalid); - } - } else { - FREE_CIDX; - return (XpmFileInvalid); - } - } - } - FREE_CIDX; - } - break; - - default: /* Non-optimized case of long color - * names */ - { - char *s; - char buf[BUFSIZ]; - - if (cpp >= sizeof(buf)) - return (XpmFileInvalid); - - buf[cpp] = '\0'; - if (USE_HASHTABLE) { - xpmHashAtom *slot; - - for (y = 0; y < height; y++) { - xpmNextString(data); - for (x = 0; x < width; x++) { - for (a = 0, s = buf; a < cpp; a++, s++) - *s = xpmGetC(data); - slot = xpmHashSlot(hashtable, buf); - if (!*slot) /* no color matches */ - return (XpmFileInvalid); -#ifndef FOR_MSW - XPutPixel(image, x, y, - image_pixels[HashColorIndex(slot)]); - if (shapeimage) - XPutPixel(shapeimage, x, y, - shape_pixels[HashColorIndex(slot)]); -#else - SelectObject(*dc, image->bitmap); - SetPixel(*dc, x, y, - image_pixels[HashColorIndex(slot)]); - if (shapeimage) { - SelectObject(*dc, shapeimage->bitmap); - SetPixel(*dc, x, y, - shape_pixels[HashColorIndex(slot)]); - } -#endif - } - } - } else { - for (y = 0; y < height; y++) { - xpmNextString(data); - for (x = 0; x < width; x++) { - for (a = 0, s = buf; a < cpp; a++, s++) - *s = xpmGetC(data); - for (a = 0; a < ncolors; a++) - if (!strcmp(colorTable[a].string, buf)) - break; - if (a == ncolors) /* no color matches */ - return (XpmFileInvalid); -#ifndef FOR_MSW - XPutPixel(image, x, y, image_pixels[a]); - if (shapeimage) - XPutPixel(shapeimage, x, y, shape_pixels[a]); -#else - SelectObject(*dc, image->bitmap); - SetPixel(*dc, x, y, image_pixels[a]); - if (shapeimage) { - SelectObject(*dc, shapeimage->bitmap); - SetPixel(*dc, x, y, shape_pixels[a]); - } -#endif - } - } - } - } - break; - } - return (XpmSuccess); -} |