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extra-dependencies/debian/imlib/imlib-1.9.15/Imlib/misc.c

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#define _GNU_SOURCE
#include <config.h>
#include "Imlib.h"
#include "Imlib_private.h"
#include <locale.h>
#ifdef __EMX__
extern const char *__XOS2RedirRoot(const char *);
#endif
#ifndef HAVE_SNPRINTF
#define snprintf my_snprintf
#ifdef HAVE_STDARGS
int my_snprintf(char *str, size_t count, const char *fmt,...);
#else
int my_snprintf(va_alist);
#endif
#endif
static char x_error;
static void
HandleXError(Display * d, XErrorEvent * ev)
{
x_error = 1;
}
int
Imlib_get_render_type(ImlibData * id)
{
if (id)
return id->render_type;
else
{
fprintf(stderr, "IMLIB ERROR: Imlib not initialised\n");
return -1;
}
}
void
Imlib_set_render_type(ImlibData * id, int rend_type)
{
if (id)
{
if (id->x.depth > 8)
id->render_type = rend_type;
else
{
if ((rend_type == RT_PLAIN_TRUECOL) ||
(rend_type == RT_DITHER_TRUECOL))
id->render_type = RT_DITHER_PALETTE_FAST;
else
id->render_type = rend_type;
}
return;
}
else
{
fprintf(stderr, "IMLIB ERROR: Imlib not initialised\n");
return;
}
}
#ifdef HAVE_SHM
int
XShmGetEventBase(Display * disp);
#endif
ImlibData *
Imlib_init(Display * disp)
{
ImlibData *id;
XWindowAttributes xwa;
XVisualInfo xvi, *xvir;
char *homedir;
char s[4096], *s1, *s2;
FILE *f;
int override = 0;
int dither = 0;
int remap = 1;
int num;
int i, max, maxn;
int clas;
char *palfile;
int loadpal;
int vis;
int newcm;
char *old_locale;
/* fprintf(stderr, "Imlib Init\n");
fflush(stderr); */
palfile = NULL;
if (!disp)
{
fprintf(stderr, "IMLIB ERROR: no display\n");
return NULL;
}
vis = -1;
loadpal = 0;
id = (ImlibData *) malloc(sizeof(ImlibData));
if (!id)
{
fprintf(stderr, "IMLIB ERROR: Cannot alloc RAM for Initial data struct\n");
return NULL;
}
id->palette = NULL;
id->palette_orig = NULL;
id->fast_rgb = NULL;
id->fast_err = NULL;
id->fast_erg = NULL;
id->fast_erb = NULL;
id->x.disp = disp;
id->x.screen = DefaultScreen(disp); /* the screen number */
id->x.root = DefaultRootWindow(disp); /* the root window id */
id->x.visual = DefaultVisual(disp, id->x.screen); /* the visual type */
id->x.depth = DefaultDepth(disp, id->x.screen); /* the depth of the screen in bpp */
id->x.shm = 0;
id->x.shmp = 0;
id->max_shm = 0;
#ifdef HAVE_SHM
if (XShmQueryExtension(id->x.disp))
{
int maj, min, dum;
Bool pm;
if (XQueryExtension(id->x.disp, "MIT-SHM", &dum, &dum, &dum))
{
if (XShmQueryVersion(id->x.disp, &maj, &min, &pm) == True)
{
id->x.shm = 1;
id->x.shm_event = XShmGetEventBase(id->x.disp) + ShmCompletion;
id->x.last_xim = NULL;
id->x.last_sxim = NULL;
id->max_shm = 0x7fffffff;
if ((XShmPixmapFormat(id->x.disp) == ZPixmap) &&
(pm == True))
id->x.shmp = 1;
}
}
}
#endif
id->cache.on_image = 0;
id->cache.size_image = 0;
id->cache.num_image = 0;
id->cache.used_image = 0;
id->cache.image = NULL;
id->cache.on_pixmap = 0;
id->cache.size_pixmap = 0;
id->cache.num_pixmap = 0;
id->cache.used_pixmap = 0;
id->cache.pixmap = NULL;
id->byte_order = 0;
id->fastrend = 0;
id->hiq = 0;
id->fallback = 1;
id->mod.gamma = 256;
id->mod.brightness = 256;
id->mod.contrast = 256;
id->rmod.gamma = 256;
id->rmod.brightness = 256;
id->rmod.contrast = 256;
id->gmod.gamma = 256;
id->gmod.brightness = 256;
id->gmod.contrast = 256;
id->bmod.gamma = 256;
id->bmod.brightness = 256;
id->bmod.contrast = 256;
id->ordered_dither = 1;
if (XGetWindowAttributes(disp, id->x.root, &xwa))
{
if (xwa.colormap)
id->x.root_cmap = xwa.colormap;
else
id->x.root_cmap = 0;
}
else
id->x.root_cmap = 0;
id->num_colors = 0;
homedir = getenv("HOME");
snprintf(s, sizeof(s), "%s/.imrc", homedir);
old_locale = strdup(setlocale(LC_NUMERIC, NULL));
setlocale(LC_NUMERIC, "C");
#ifndef __EMX__
f = fopen(s, "r");
#else
f = fopen(s, "rt");
#endif
if (!f)
{
#ifndef __EMX__
f = fopen(SYSTEM_IMRC, "r");
#else
f = fopen(__XOS2RedirRoot(SYSTEM_IMRC), "rt");
#endif
}
if (f)
{
while (fgets(s, 4096, f))
{
if (s[0] == '#')
continue;
s1 = strtok(s, " \t\n");
/* Blank line ? */
if (s1 == NULL)
continue;
s2 = strtok(NULL, " \t\n");
if (s2 == NULL)
s2 = ""; /* NULL argument */
if (!strcasecmp("PaletteFile", s1))
{
palfile = strdup(s2);
}
else if (!strcasecmp("PaletteOverride", s1))
{
if (!strcasecmp("yes", s2))
override = 1;
else
override = 0;
}
else if (!strcasecmp("Dither", s1))
{
if (!strcasecmp("yes", s2))
dither = 1;
else
dither = 0;
}
else if (!strcasecmp("Remap", s1))
{
if (!strcasecmp("fast", s2))
remap = 1;
else
remap = 0;
}
else if (!strcasecmp("Mit-Shm", s1))
{
#ifdef HAVE_SHM
if (!strcasecmp("off", s2))
#endif
{
id->x.shm = 0;
id->x.shmp = 0;
}
}
else if (!strcasecmp("SharedPixmaps", s1))
{
#ifdef HAVE_SHM
if (!strcasecmp("off", s2))
#endif
id->x.shmp = 0;
}
else if (!strcasecmp("FastRender", s1))
{
if (!strcasecmp("on", s2))
id->fastrend = 1;
}
else if (!strcasecmp("HighQuality", s1))
{
if (!strcasecmp("on", s2))
id->hiq = 1;
}
else if (!strcasecmp("Shm_Max_Size", s1))
{
num = atoi(s2);
id->max_shm = num;
}
else if (!strcasecmp("Image_Cache_Size", s1))
{
num = atoi(s2);
id->cache.size_image = num;
}
else if (!strcasecmp("Pixmap_Cache_Size", s1))
{
num = atoi(s2);
id->cache.size_pixmap = num;
}
else if (!strcasecmp("Image_Cache", s1))
{
if (!strcasecmp("on", s2))
id->cache.on_image = 1;
}
else if (!strcasecmp("Pixmap_Cache", s1))
{
if (!strcasecmp("on", s2))
id->cache.on_pixmap = 1;
}
else if (!strcasecmp("ForceVisualID", s1))
{
sscanf(s, "%1024s %x", s1, &num);
vis = num;
}
else if (!strcasecmp("Fallback", s1))
{
if (!strcasecmp("off", s2))
id->fallback = 0;
else
id->fallback = 1;
}
else if (!strcasecmp("Gamma", s1))
{
id->mod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Brightness", s1))
{
id->mod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Contrast", s1))
{
id->mod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Red_Gamma", s1))
{
id->rmod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Red_Brightness", s1))
{
id->rmod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Red_Contrast", s1))
{
id->rmod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Green_Gamma", s1))
{
id->gmod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Green_Brightness", s1))
{
id->gmod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Green_Contrast", s1))
{
id->gmod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Blue_Gamma", s1))
{
id->bmod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Blue_Brightness", s1))
{
id->bmod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Blue_Contrast", s1))
{
id->bmod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Ordered_Dither", s1))
{
if (!strcasecmp("off", s2))
id->ordered_dither = 0;
else
id->ordered_dither = 1;
}
}
fclose(f);
}
setlocale(LC_NUMERIC, old_locale);
if (old_locale)
free(old_locale);
/* list all visuals for the default screen */
xvi.screen = id->x.screen;
xvir = XGetVisualInfo(disp, VisualScreenMask, &xvi, &num);
if (vis >= 0)
{
/* use the forced visual id */
maxn = 0;
for (i = 0; i < num; i++)
{
if (xvir[i].visualid == (VisualID) vis)
maxn = i;
}
if (maxn >= 0)
{
unsigned long rmsk, gmsk, bmsk;
id->x.depth = xvir[maxn].depth;
id->x.visual = xvir[maxn].visual;
rmsk = xvir[maxn].red_mask;
gmsk = xvir[maxn].green_mask;
bmsk = xvir[maxn].blue_mask;
if ((rmsk > gmsk) && (gmsk > bmsk))
id->byte_order = BYTE_ORD_24_RGB;
else if ((rmsk > bmsk) && (bmsk > gmsk))
id->byte_order = BYTE_ORD_24_RBG;
else if ((bmsk > rmsk) && (rmsk > gmsk))
id->byte_order = BYTE_ORD_24_BRG;
else if ((bmsk > gmsk) && (gmsk > rmsk))
id->byte_order = BYTE_ORD_24_BGR;
else if ((gmsk > rmsk) && (rmsk > bmsk))
id->byte_order = BYTE_ORD_24_GRB;
else if ((gmsk > bmsk) && (bmsk > rmsk))
id->byte_order = BYTE_ORD_24_GBR;
else
id->byte_order = 0;
}
else
fprintf(stderr, "IMLIB ERROR: Visual Id no 0x%x specified in the imrc file is invalid on this display.\nUsing Default Visual.\n", vis);
}
else
{
if (xvir)
{
/* find the highest bit-depth supported by visuals */
max = 0;
for (i = 0; i < num; i++)
{
if (xvir[i].depth > max)
max = xvir[i].depth;
}
if (max > 8)
{
id->x.depth = max;
clas = -1;
maxn = -1;
for (i = 0; i < num; i++)
{
if (xvir[i].depth == id->x.depth)
{
if ((xvir[i].class > clas) &&
(xvir[i].class != DirectColor))
{
maxn = i;
clas = xvir[i].class;
}
}
}
if (maxn >= 0)
{
unsigned long rmsk, gmsk, bmsk;
id->x.visual = xvir[maxn].visual;
rmsk = xvir[maxn].red_mask;
gmsk = xvir[maxn].green_mask;
bmsk = xvir[maxn].blue_mask;
if ((rmsk > gmsk) && (gmsk > bmsk))
id->byte_order = BYTE_ORD_24_RGB;
else if ((rmsk > bmsk) && (bmsk > gmsk))
id->byte_order = BYTE_ORD_24_RBG;
else if ((bmsk > rmsk) && (rmsk > gmsk))
id->byte_order = BYTE_ORD_24_BRG;
else if ((bmsk > gmsk) && (gmsk > rmsk))
id->byte_order = BYTE_ORD_24_BGR;
else if ((gmsk > rmsk) && (rmsk > bmsk))
id->byte_order = BYTE_ORD_24_GRB;
else if ((gmsk > bmsk) && (bmsk > rmsk))
id->byte_order = BYTE_ORD_24_GBR;
else
id->byte_order = 0;
}
}
}
}
id->x.render_depth = id->x.depth;
XFree(xvir);
if (id->x.depth == 16)
{
xvi.visual = id->x.visual;
xvi.visualid = XVisualIDFromVisual(id->x.visual);
xvir = XGetVisualInfo(disp, VisualIDMask, &xvi, &num);
if (xvir)
{
if (xvir->red_mask != 0xf800)
id->x.render_depth = 15;
XFree(xvir);
}
}
if (id->x.depth < 8)
id->x.shmp = 0;
if ((id->x.depth <= 8) || (override == 1))
loadpal = 1;
if (loadpal)
{
if (dither == 1)
{
if (remap == 1)
id->render_type = RT_DITHER_PALETTE_FAST;
else
id->render_type = RT_DITHER_PALETTE;
}
else
{
if (remap == 1)
id->render_type = RT_PLAIN_PALETTE_FAST;
else
id->render_type = RT_PLAIN_PALETTE;
}
if (palfile != NULL)
Imlib_load_colors(id, palfile);
if (id->num_colors == 0)
{
fprintf(stderr, "IMLIB ERROR: Cannot Find Palette. A Palette is required for this mode\n");
free(id);
if (palfile)
free(palfile);
return NULL;
}
}
else
{
if (id->hiq == 1)
id->render_type = RT_DITHER_TRUECOL;
else
id->render_type = RT_PLAIN_TRUECOL;
}
{
XSetWindowAttributes at;
unsigned long mask;
at.border_pixel = 0;
at.backing_store = NotUseful;
at.background_pixel = 0;
at.save_under = False;
at.override_redirect = True;
mask = CWOverrideRedirect | CWBackPixel | CWBorderPixel |
CWBackingStore | CWSaveUnder;
newcm = 0;
if (id->x.visual != DefaultVisual(disp, id->x.screen))
{
Colormap cm;
cm = XCreateColormap(id->x.disp, id->x.root,
id->x.visual, AllocNone);
if (cm)
{
mask |= CWColormap;
id->x.root_cmap = cm;
at.colormap = cm;
newcm = 1;
}
}
id->x.base_window = XCreateWindow(id->x.disp, id->x.root,
-100, -100, 10, 10, 0,
id->x.depth, InputOutput,
id->x.visual, mask, &at);
}
{
/* Turn off fastrender if there is an endianess diff between */
/* client and Xserver */
int byt, bit;
byt = ImageByteOrder(id->x.disp); /* LSBFirst | MSBFirst */
bit = BitmapBitOrder(id->x.disp); /* LSBFirst | MSBFirst */
id->x.byte_order = byt;
id->x.bit_order = bit;
/* if little endian && server big */
if ((htonl(1) != 1) && (byt == MSBFirst))
id->fastrend = 0;
/* if big endian && server little */
if ((htonl(1) == 1) && (byt == LSBFirst))
id->fastrend = 0;
}
if (palfile)
free(palfile);
#ifdef HAVE_SHM
if (id->x.shm)
{
XImage *xim;
xim = XShmCreateImage(id->x.disp, id->x.visual, id->x.depth,
ZPixmap, NULL, &id->x.last_shminfo, 10, 10);
if (!xim)
{
id->x.shm = 0;
id->x.shmp = 0;
}
else
{
id->x.last_shminfo.shmid =
shmget(IPC_PRIVATE, xim->bytes_per_line * xim->height,
IPC_CREAT | 0777);
if (id->x.last_shminfo.shmid < 0)
{
XDestroyImage(xim);
id->x.shm = 0;
id->x.shmp = 0;
}
else
{
id->x.last_shminfo.shmaddr = xim->data =
shmat(id->x.last_shminfo.shmid, 0, 0);
if (id->x.last_shminfo.shmaddr == (char *)-1)
{
XDestroyImage(xim);
shmctl(id->x.last_shminfo.shmid, IPC_RMID, 0);
id->x.shm = 0;
id->x.shmp = 0;
}
else
{
id->x.last_shminfo.readOnly = False;
XSetErrorHandler((XErrorHandler) HandleXError);
x_error = 0;
XShmAttach(id->x.disp, &id->x.last_shminfo);
XSync(disp, False);
if (x_error)
{
id->x.shm = 0;
id->x.shmp = 0;
}
else
XShmDetach(id->x.disp, &id->x.last_shminfo);
XDestroyImage(xim);
shmdt(id->x.last_shminfo.shmaddr);
shmctl(id->x.last_shminfo.shmid, IPC_RMID, 0);
}
}
}
}
#endif
return id;
}
ImlibData *
Imlib_init_with_params(Display * disp, ImlibInitParams * p)
{
ImlibData *id;
XWindowAttributes xwa;
XVisualInfo xvi, *xvir;
char *homedir;
char s[4096], *s1, *s2;
FILE *f;
int override = 0;
int dither = 0;
int remap = 1;
int num;
int i, max, maxn;
int clas;
char *palfile;
int loadpal;
int vis;
int newcm = 0;
char *old_locale;
palfile = NULL;
if (!disp)
{
fprintf(stderr, "IMLIB ERROR: no display\n");
return NULL;
}
vis = -1;
loadpal = 0;
id = (ImlibData *) malloc(sizeof(ImlibData));
if (!id)
{
fprintf(stderr, "IMLIB ERROR: Cannot alloc RAM for Initial data struct\n");
return NULL;
}
id->palette = NULL;
id->palette_orig = NULL;
id->fast_rgb = NULL;
id->fast_err = NULL;
id->fast_erg = NULL;
id->fast_erb = NULL;
id->x.disp = disp;
id->x.screen = DefaultScreen(disp); /* the screen number */
id->x.root = DefaultRootWindow(disp); /* the root window id */
id->x.visual = DefaultVisual(disp, id->x.screen); /* the visual type */
id->x.depth = DefaultDepth(disp, id->x.screen); /* the depth of the screen in bpp */
#ifdef HAVE_SHM
if (XShmQueryExtension(id->x.disp))
{
int maj, min, dum;
Bool pm;
if (XQueryExtension(id->x.disp, "MIT-SHM", &dum, &dum, &dum))
{
if (XShmQueryVersion(id->x.disp, &maj, &min, &pm) == True)
{
id->x.shm = 1;
id->x.shm_event = XShmGetEventBase(id->x.disp) + ShmCompletion;
id->x.last_xim = NULL;
id->x.last_sxim = NULL;
id->max_shm = 0x7fffffff;
if (XShmPixmapFormat(id->x.disp) == ZPixmap)
id->x.shmp = 1;
}
}
}
else
#endif
{
id->x.shm = 0;
id->x.shmp = 0;
}
id->cache.on_image = 0;
id->cache.size_image = 0;
id->cache.num_image = 0;
id->cache.used_image = 0;
id->cache.image = NULL;
id->cache.on_pixmap = 0;
id->cache.size_pixmap = 0;
id->cache.num_pixmap = 0;
id->cache.used_pixmap = 0;
id->cache.pixmap = NULL;
id->byte_order = 0;
id->fastrend = 0;
id->hiq = 0;
id->fallback = 1;
id->mod.gamma = 256;
id->mod.brightness = 256;
id->mod.contrast = 256;
id->rmod.gamma = 256;
id->rmod.brightness = 256;
id->rmod.contrast = 256;
id->gmod.gamma = 256;
id->gmod.brightness = 256;
id->gmod.contrast = 256;
id->bmod.gamma = 256;
id->bmod.brightness = 256;
id->bmod.contrast = 256;
id->ordered_dither = 1;
if (XGetWindowAttributes(disp, id->x.root, &xwa))
{
if (xwa.colormap)
id->x.root_cmap = xwa.colormap;
else
id->x.root_cmap = 0;
}
else
id->x.root_cmap = 0;
id->num_colors = 0;
homedir = getenv("HOME");
snprintf(s, sizeof(s), "%s/.imrc", homedir);
old_locale = strdup(setlocale(LC_NUMERIC, NULL));
setlocale(LC_NUMERIC, "C");
#ifndef __EMX__
f = fopen(s, "r");
#else
f = fopen(s, "rt");
#endif
if (!f)
{
#ifndef __EMX__
f = fopen(SYSTEM_IMRC, "r");
#else
f = fopen(__XOS2RedirRoot(SYSTEM_IMRC), "rt");
#endif
}
if (f)
{
while (fgets(s, 4096, f))
{
if (s[0] == '#')
continue;
s1 = strtok(s, " \t\n");
/* Blank line ? */
if (s1 == NULL)
continue;
s2 = strtok(NULL, " \t\n");
if (s2 == NULL)
s2 = ""; /* NULL argument */
if (!strcasecmp("PaletteFile", s1))
{
palfile = strdup(s2);
}
else if (!strcasecmp("PaletteOverride", s1))
{
if (!strcasecmp("yes", s2))
override = 1;
else
override = 0;
}
else if (!strcasecmp("Dither", s1))
{
if (!strcasecmp("yes", s2))
dither = 1;
else
dither = 0;
}
else if (!strcasecmp("Remap", s1))
{
if (!strcasecmp("fast", s2))
remap = 1;
else
remap = 0;
}
else if (!strcasecmp("Mit-Shm", s1))
{
#ifdef HAVE_SHM
if (!strcasecmp("off", s2))
#endif
{
id->x.shm = 0;
id->x.shmp = 0;
}
}
else if (!strcasecmp("SharedPixmaps", s1))
{
#ifdef HAVE_SHM
if (!strcasecmp("off", s2))
#endif
id->x.shmp = 0;
}
else if (!strcasecmp("FastRender", s1))
{
if (!strcasecmp("on", s2))
id->fastrend = 1;
}
else if (!strcasecmp("HighQuality", s1))
{
if (!strcasecmp("on", s2))
id->hiq = 1;
}
else if (!strcasecmp("Shm_Max_Size", s1))
{
num = atoi(s2);
id->max_shm = num;
}
else if (!strcasecmp("Image_Cache_Size", s1))
{
num = atoi(s2);
id->cache.size_image = num;
}
else if (!strcasecmp("Pixmap_Cache_Size", s1))
{
num = atoi(s2);
id->cache.size_pixmap = num;
}
else if (!strcasecmp("Image_Cache", s1))
{
if (!strcasecmp("on", s2))
id->cache.on_image = 1;
}
else if (!strcasecmp("Pixmap_Cache", s1))
{
if (!strcasecmp("on", s2))
id->cache.on_pixmap = 1;
}
else if (!strcasecmp("ForceVisualID", s1))
{
sscanf(s, "%1024s %x", s1, &num);
vis = num;
}
else if (!strcasecmp("Fallback", s1))
{
if (!strcasecmp("off", s2))
id->fallback = 0;
else
id->fallback = 1;
}
else if (!strcasecmp("Gamma", s1))
{
id->mod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Brightness", s1))
{
id->mod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Contrast", s1))
{
id->mod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Red_Gamma", s1))
{
id->rmod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Red_Brightness", s1))
{
id->rmod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Red_Contrast", s1))
{
id->rmod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Green_Gamma", s1))
{
id->gmod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Green_Brightness", s1))
{
id->gmod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Green_Contrast", s1))
{
id->gmod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Blue_Gamma", s1))
{
id->bmod.gamma = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Blue_Brightness", s1))
{
id->bmod.brightness = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Blue_Contrast", s1))
{
id->bmod.contrast = (int)(256.0 * atof(s2));
}
else if (!strcasecmp("Ordered_Dither", s1))
{
if (!strcasecmp("off", s2))
id->ordered_dither = 0;
else
id->ordered_dither = 1;
}
}
fclose(f);
}
setlocale(LC_NUMERIC, old_locale);
if (old_locale)
free(old_locale);
if (p)
{
if (p->flags & PARAMS_VISUALID)
vis = p->visualid;
if (p->flags & PARAMS_PALETTEFILE) {
if (palfile)
free(palfile);
palfile = strdup(p->palettefile);
}
if (p->flags & PARAMS_SHAREDMEM)
{
if (!p->sharedmem)
{
id->x.shm = 0;
id->x.shmp = 0;
}
else
{
id->x.shm = 1;
id->x.shmp = 0;
}
}
if (p->flags & PARAMS_SHAREDPIXMAPS)
{
if (id->x.shm)
id->x.shmp = p->sharedpixmaps;
}
if (p->flags & PARAMS_PALETTEOVERRIDE)
override = p->paletteoverride;
if (p->flags & PARAMS_REMAP)
remap = p->remap;
if (p->flags & PARAMS_FASTRENDER)
id->fastrend = p->fastrender;
if (p->flags & PARAMS_HIQUALITY)
id->hiq = p->hiquality;
if (p->flags & PARAMS_DITHER)
dither = p->dither;
if (p->flags & PARAMS_IMAGECACHESIZE)
id->cache.size_image = p->imagecachesize;
if (p->flags & PARAMS_PIXMAPCACHESIZE)
id->cache.size_pixmap = p->pixmapcachesize;
if (p->flags & PARAMS_COLORMAP)
{
id->x.root_cmap = p->cmap;
newcm = 1;
}
}
/* list all visuals for the default screen */
xvi.screen = id->x.screen;
xvir = XGetVisualInfo(disp, VisualScreenMask, &xvi, &num);
if (vis >= 0)
{
/* use the forced visual id */
maxn = 0;
for (i = 0; i < num; i++)
{
if (xvir[i].visualid == (VisualID) vis)
maxn = i;
}
if (maxn >= 0)
{
unsigned long rmsk, gmsk, bmsk;
id->x.depth = xvir[maxn].depth;
id->x.visual = xvir[maxn].visual;
rmsk = xvir[maxn].red_mask;
gmsk = xvir[maxn].green_mask;
bmsk = xvir[maxn].blue_mask;
if ((rmsk > gmsk) && (gmsk > bmsk))
id->byte_order = BYTE_ORD_24_RGB;
else if ((rmsk > bmsk) && (bmsk > gmsk))
id->byte_order = BYTE_ORD_24_RBG;
else if ((bmsk > rmsk) && (rmsk > gmsk))
id->byte_order = BYTE_ORD_24_BRG;
else if ((bmsk > gmsk) && (gmsk > rmsk))
id->byte_order = BYTE_ORD_24_BGR;
else if ((gmsk > rmsk) && (rmsk > bmsk))
id->byte_order = BYTE_ORD_24_GRB;
else if ((gmsk > bmsk) && (bmsk > rmsk))
id->byte_order = BYTE_ORD_24_GBR;
else
id->byte_order = 0;
}
else
fprintf(stderr, "IMLIB ERROR: Visual Id no 0x%x specified in the imrc file is invalid on this display.\nUsing Default Visual.\n", vis);
}
else
{
if (xvir)
{
/* find the highest bit-depth supported by visuals */
max = 0;
for (i = 0; i < num; i++)
{
if (xvir[i].depth > max)
max = xvir[i].depth;
}
if (max > 8)
{
id->x.depth = max;
clas = -1;
maxn = -1;
for (i = 0; i < num; i++)
{
if (xvir[i].depth == id->x.depth)
{
if ((xvir[i].class > clas) && (xvir[i].class != DirectColor))
{
maxn = i;
clas = xvir[i].class;
}
}
}
if (maxn >= 0)
{
unsigned long rmsk, gmsk, bmsk;
id->x.visual = xvir[maxn].visual;
rmsk = xvir[maxn].red_mask;
gmsk = xvir[maxn].green_mask;
bmsk = xvir[maxn].blue_mask;
if ((rmsk > gmsk) && (gmsk > bmsk))
id->byte_order = BYTE_ORD_24_RGB;
else if ((rmsk > bmsk) && (bmsk > gmsk))
id->byte_order = BYTE_ORD_24_RBG;
else if ((bmsk > rmsk) && (rmsk > gmsk))
id->byte_order = BYTE_ORD_24_BRG;
else if ((bmsk > gmsk) && (gmsk > rmsk))
id->byte_order = BYTE_ORD_24_BGR;
else if ((gmsk > rmsk) && (rmsk > bmsk))
id->byte_order = BYTE_ORD_24_GRB;
else if ((gmsk > bmsk) && (bmsk > rmsk))
id->byte_order = BYTE_ORD_24_GBR;
else
id->byte_order = 0;
}
}
}
}
id->x.render_depth = id->x.depth;
XFree(xvir);
if (id->x.depth == 16)
{
xvi.visual = id->x.visual;
xvi.visualid = XVisualIDFromVisual(id->x.visual);
xvir = XGetVisualInfo(disp, VisualIDMask, &xvi, &num);
if (xvir)
{
if (xvir->red_mask != 0xf800)
id->x.render_depth = 15;
XFree(xvir);
}
}
if (id->x.depth < 8)
id->x.shmp = 0;
if ((id->x.depth <= 8) || (override == 1))
loadpal = 1;
if (loadpal)
{
if (dither == 1)
{
if (remap == 1)
id->render_type = RT_DITHER_PALETTE_FAST;
else
id->render_type = RT_DITHER_PALETTE;
}
else
{
if (remap == 1)
id->render_type = RT_PLAIN_PALETTE_FAST;
else
id->render_type = RT_PLAIN_PALETTE;
}
if (palfile != NULL)
Imlib_load_colors(id, palfile);
if (id->num_colors == 0)
{
fprintf(stderr, "IMLIB ERROR: Cannot Find Palette. A Palette is required for this mode\n");
free(id);
if (palfile)
free(palfile);
return NULL;
}
}
else
{
if (id->hiq == 1)
id->render_type = RT_DITHER_TRUECOL;
else
id->render_type = RT_PLAIN_TRUECOL;
}
{
XSetWindowAttributes at;
unsigned long mask;
at.border_pixel = 0;
at.backing_store = NotUseful;
at.background_pixel = 0;
at.save_under = False;
at.override_redirect = True;
mask = CWOverrideRedirect | CWBackPixel | CWBorderPixel |
CWBackingStore | CWSaveUnder;
if (id->x.visual != DefaultVisual(disp, id->x.screen))
{
Colormap cm;
cm = XCreateColormap(id->x.disp, id->x.root,
id->x.visual, AllocNone);
if (cm)
{
mask |= CWColormap;
id->x.root_cmap = cm;
at.colormap = cm;
newcm = 1;
}
}
else if (newcm)
{
mask |= CWColormap;
at.colormap = id->x.root_cmap;
}
id->x.base_window = XCreateWindow(id->x.disp, id->x.root,
-100, -100, 10, 10, 0,
id->x.depth, InputOutput,
id->x.visual, mask, &at);
}
{
/* Turn off fastrender if there is an endianess diff between */
/* client and Xserver */
int byt, bit;
byt = ImageByteOrder(id->x.disp); /* LSBFirst | MSBFirst */
bit = BitmapBitOrder(id->x.disp); /* LSBFirst | MSBFirst */
/* if little endian && server big */
if ((htonl(1) != 1) && (byt == MSBFirst))
id->fastrend = 0;
/* if big endian && server little */
if ((htonl(1) == 1) && (byt == LSBFirst))
id->fastrend = 0;
}
if (palfile)
free(palfile);
#ifdef HAVE_SHM
if (id->x.shm)
{
XImage *xim;
xim = XShmCreateImage(id->x.disp, id->x.visual, id->x.depth,
ZPixmap, NULL, &id->x.last_shminfo, 10, 10);
if (!xim)
{
id->x.shm = 0;
id->x.shmp = 0;
}
else
{
id->x.last_shminfo.shmid =
shmget(IPC_PRIVATE, xim->bytes_per_line * xim->height,
IPC_CREAT | 0777);
if (id->x.last_shminfo.shmid < 0)
{
XDestroyImage(xim);
id->x.shm = 0;
id->x.shmp = 0;
}
else
{
id->x.last_shminfo.shmaddr = xim->data =
shmat(id->x.last_shminfo.shmid, 0, 0);
if (id->x.last_shminfo.shmaddr == (char *)-1)
{
XDestroyImage(xim);
shmctl(id->x.last_shminfo.shmid, IPC_RMID, 0);
id->x.shm = 0;
id->x.shmp = 0;
}
else
{
id->x.last_shminfo.readOnly = False;
XSetErrorHandler((XErrorHandler) HandleXError);
x_error = 0;
XShmAttach(id->x.disp, &id->x.last_shminfo);
XSync(disp, False);
if (x_error)
{
id->x.shm = 0;
id->x.shmp = 0;
}
else
XShmDetach(id->x.disp, &id->x.last_shminfo);
XDestroyImage(xim);
shmdt(id->x.last_shminfo.shmaddr);
shmctl(id->x.last_shminfo.shmid, IPC_RMID, 0);
}
}
}
}
#endif
return id;
}
Pixmap
Imlib_copy_image(ImlibData * id, ImlibImage * im)
{
Pixmap p;
GC tgc;
XGCValues gcv;
if (!im || !im->pixmap)
return 0;
p = XCreatePixmap(id->x.disp, id->x.base_window, im->width, im->height, id->x.depth);
gcv.graphics_exposures = False;
tgc = XCreateGC(id->x.disp, p, GCGraphicsExposures, &gcv);
XCopyArea(id->x.disp, im->pixmap, p, tgc, 0, 0, im->width, im->height, 0, 0);
XFreeGC(id->x.disp, tgc);
return p;
}
Pixmap
Imlib_move_image(ImlibData * id, ImlibImage * im)
{
Pixmap p;
if (!im)
return 0;
p = im->pixmap;
im->pixmap = 0;
return p;
}
Pixmap
Imlib_copy_mask(ImlibData * id, ImlibImage * im)
{
Pixmap p;
GC tgc;
XGCValues gcv;
if (!im || !im->shape_mask)
return 0;
p = XCreatePixmap(id->x.disp, id->x.base_window, im->width, im->height, 1);
gcv.graphics_exposures = False;
tgc = XCreateGC(id->x.disp, p, GCGraphicsExposures, &gcv);
XCopyArea(id->x.disp, im->shape_mask, p, tgc, 0, 0, im->width, im->height, 0, 0);
XFreeGC(id->x.disp, tgc);
return p;
}
Pixmap
Imlib_move_mask(ImlibData * id, ImlibImage * im)
{
Pixmap p;
if (!im)
return 0;
p = im->shape_mask;
im->shape_mask = 0;
return p;
}
void
Imlib_destroy_image(ImlibData * id, ImlibImage * im)
{
if (im)
{
if (id->cache.on_image)
{
free_image(id, im);
clean_caches(id);
}
else
nullify_image(id, im);
}
}
void
Imlib_kill_image(ImlibData * id, ImlibImage * im)
{
if (im)
{
if (id->cache.on_image)
{
free_image(id, im);
flush_image(id, im);
clean_caches(id);
}
else
nullify_image(id, im);
}
}
void
Imlib_free_pixmap(ImlibData * id, Pixmap pmap)
{
if (pmap)
{
free_pixmappmap(id, pmap);
clean_caches(id);
}
}
void
Imlib_set_image_border(ImlibData * id, ImlibImage * im, ImlibBorder * border)
{
if ((im) && (border))
{
if ((im->border.left != border->left) ||
(im->border.right != border->right) ||
(im->border.top != border->top) ||
(im->border.bottom != border->bottom))
{
dirty_pixmaps(id, im);
im->border.left = border->left;
im->border.right = border->right;
im->border.top = border->top;
im->border.bottom = border->bottom;
}
}
}
void
Imlib_get_image_border(ImlibData * id, ImlibImage * im, ImlibBorder * border)
{
if ((im) && (border))
{
border->left = im->border.left;
border->right = im->border.right;
border->top = im->border.top;
border->bottom = im->border.bottom;
}
}
void
Imlib_get_image_shape(ImlibData * id, ImlibImage * im, ImlibColor * color)
{
if ((!im) || (!color))
return;
color->r = im->shape_color.r;
color->g = im->shape_color.g;
color->b = im->shape_color.b;
}
void
Imlib_set_image_shape(ImlibData * id, ImlibImage * im, ImlibColor * color)
{
if ((!im) || (!color))
return;
if ((im->shape_color.r != color->r) || (im->shape_color.g != color->g) || (im->shape_color.b != color->b))
{
im->shape_color.r = color->r;
im->shape_color.g = color->g;
im->shape_color.b = color->b;
dirty_pixmaps(id, im);
}
}
int
Imlib_get_fallback(ImlibData * id)
{
if (!id)
return 0;
return id->fallback;
}
void
Imlib_set_fallback(ImlibData * id, int fallback)
{
if (!id)
return;
id->fallback = fallback;
}
Visual *
Imlib_get_visual(ImlibData * id)
{
if (!id)
return NULL;
return id->x.visual;
}
Colormap
Imlib_get_colormap(ImlibData * id)
{
if (!id)
return 0;
return id->x.root_cmap;
}
char *
Imlib_get_sysconfig(ImlibData * id)
{
#ifndef __EMX__
return strdup(SYSTEM_IMRC);
#else
return strdup(__XOS2RedirRoot(SYSTEM_IMRC));
#endif
}
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