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#include "gd.h"
extern void* gdMalloc (size_t);
extern void* gdRealloc (void*,size_t);
extern void gdFree (void*);
int gdImageBoundsSafe(gdImagePtr im, int x, int y)
{ int unsafe = 0;
int safe = 1;
int status;
int i;
gdClipRectanglePtr r;
if (y < 0 ) return (unsafe);
if (y >= im->sy) return (unsafe);
if (x < 0 ) return (unsafe);
if (x >= im->sx) return (unsafe);
if (im->clip == 0) return (safe);
if (im->clip->count == 0) return (safe);
status = unsafe;
for (i = 0; i < im->clip->count; i++)
{ r = &(im->clip->list[i]);
if (y < r->y_min) continue;
if (y > r->y_max) continue;
if (x < r->x_min) continue;
if (x > r->x_max) continue;
status = safe;
break;
}
return (status);
}
void gdClipSetFree(gdImagePtr im)
{ if (im->clip)
{ gdFree (im->clip->list);
gdFree (im->clip);
im->clip = 0;
}
}
void gdClipSetReset(gdImagePtr im)
{ if (im->clip)
{ im->clip->count = 0;
}
}
void gdClipSetAdd(gdImagePtr im,gdClipRectanglePtr rect)
{ gdClipRectanglePtr more;
if (im->clip == 0)
{ im->clip = gdMalloc (sizeof (gdClipSet));
if (im->clip == 0) return;
im->clip->max = 8;
im->clip->count = 0;
im->clip->list = gdMalloc (im->clip->max * sizeof (gdClipRectangle));
if (im->clip->list == 0)
{ gdFree (im->clip);
im->clip = 0;
return;
}
}
if (im->clip->count == im->clip->max)
{ more = gdRealloc (im->clip->list,(im->clip->max + 8) * sizeof (gdClipRectangle));
if (more == 0) return;
im->clip->max += 8;
im->clip->list = more;
}
im->clip->list[im->clip->count] = (*rect);
im->clip->count++;
}
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