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#include "Imlib.h"
#include "Imlib_private.h"
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;
}
}
ImlibData *Imlib_init(Display *disp)
{
ImlibData *id;
XWindowAttributes xwa;
XVisualInfo xvi,*xvir;
char *homedir;
char file[4096];
char s[4096],s1[1024],s2[1024];
FILE *f;
int override=0;
int dither=0;
int remap=1;
int num;
int i,max,maxn;
int clas;
char palfile[1024];
int loadpal;
int vis;
int newcm;
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 */
if (XShmQueryExtension(id->x.disp))
{
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
{
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;
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");
sprintf(file,"%s/.imrc",homedir);
f=fopen(file,"r");
if (!f) f=fopen(SYSTEM_IMRC,"r");
if (f)
{
while (fgets(s,4096,f))
{
if (s[0]=='#') continue;
sscanf(s,"%s %s\n",s1,s2);
if (!strcasecmp("PaletteFile",s1))
{
strcpy(palfile,s2);
}
if (!strcasecmp("PaletteOverride",s1))
{
if (!strcasecmp("yes",s2)) override=1;
else override=0;
}
if (!strcasecmp("Dither",s1))
{
if (!strcasecmp("yes",s2)) dither=1;
else dither=0;
}
if (!strcasecmp("Remap",s1))
{
if (!strcasecmp("fast",s2))
remap=1;
else
remap=0;
}
if (!strcasecmp("Mit-Shm",s1))
{
if (!strcasecmp("off",s2))
{
id->x.shm=0;
id->x.shmp=0;
}
}
if (!strcasecmp("SharedPixmaps",s1))
{
if (!strcasecmp("off",s2)) id->x.shmp=0;
}
if (!strcasecmp("FastRender",s1))
{
if (!strcasecmp("on",s2)) id->fastrend=1;
}
if (!strcasecmp("HighQuality",s1))
{
if (!strcasecmp("on",s2)) id->hiq=1;
}
if (!strcasecmp("Shm_Max_Size",s1))
{
num=atoi(s2);
id->max_shm=num;
}
if (!strcasecmp("Image_Cache_Size",s1))
{
num=atoi(s2);
id->cache.size_image=num;
}
if (!strcasecmp("Pixmap_Cache_Size",s1))
{
num=atoi(s2);
id->cache.size_pixmap=num;
}
if (!strcasecmp("Image_Cache",s1))
{
if (!strcasecmp("on",s2)) id->cache.on_image=1;
}
if (!strcasecmp("Pixmap_Cache",s1))
{
if (!strcasecmp("on",s2)) id->cache.on_pixmap=1;
}
if (!strcasecmp("ForceVisualID",s1))
{
sscanf(s,"%s %x",s1,&num);
vis=num;
}
if (!strcasecmp("Fallback",s1))
{
if (!strcasecmp("off",s2)) id->fallback=0;
else id->fallback=1;
}
if (!strcasecmp("Gamma",s1))
{
id->mod.gamma=(int)(256.0*atof(s2));
}
if (!strcasecmp("Brightness",s1))
{
id->mod.brightness=(int)(256.0*atof(s2));
}
if (!strcasecmp("Contrast",s1))
{
id->mod.contrast=(int)(256.0*atof(s2));
}
if (!strcasecmp("Red_Gamma",s1))
{
id->rmod.gamma=(int)(256.0*atof(s2));
}
if (!strcasecmp("Red_Brightness",s1))
{
id->rmod.brightness=(int)(256.0*atof(s2));
}
if (!strcasecmp("Red_Contrast",s1))
{
id->rmod.contrast=(int)(256.0*atof(s2));
}
if (!strcasecmp("Green_Gamma",s1))
{
id->gmod.gamma=(int)(256.0*atof(s2));
}
if (!strcasecmp("Green_Brightness",s1))
{
id->gmod.brightness=(int)(256.0*atof(s2));
}
if (!strcasecmp("Green_Contrast",s1))
{
id->gmod.contrast=(int)(256.0*atof(s2));
}
if (!strcasecmp("Blue_Gamma",s1))
{
id->bmod.gamma=(int)(256.0*atof(s2));
}
if (!strcasecmp("Blue_Brightness",s1))
{
id->bmod.brightness=(int)(256.0*atof(s2));
}
if (!strcasecmp("Blue_Contrast",s1))
{
id->bmod.contrast=(int)(256.0*atof(s2));
}
}
fclose(f);
}
/* 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)||(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;
}
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);
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 */
/* 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;
}
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);
tgc=XCreateGC(id->x.disp,p,(unsigned long)0,&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);
tgc=XCreateGC(id->x.disp,p,(unsigned long)0,&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))
{
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;
}
dirty_pixmaps(id,im);
}
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;
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)
{
return strdup(SYSTEM_IMRC);
}
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