minilibx-fork/mlx_lib_xpm.c

97 lines
2.5 KiB
C

/*
** mlx_xpm.c for minilibX in
**
** Made by Charlie Root
** Login <ol@epitech.net>
**
** Started on Fri Dec 8 11:07:24 2000 Charlie Root
** Last update Thu Oct 4 16:00:22 2001 Charlie Root
*/
#include "mlx_int.h"
void *mlx_int_xpm_f_image(t_xvar *xvar,int *width,int *height,
int (*xpm_func)(),void *param)
{
XImage *img1;
XImage *img2;
t_img *im2;
XpmAttributes xpm_att;
xpm_att.visual = xvar->visual;
xpm_att.colormap = xvar->cmap;
xpm_att.depth = xvar->depth;
xpm_att.bitmap_format = ZPixmap;
xpm_att.valuemask = XpmDepth|XpmBitmapFormat|XpmVisual|XpmColormap;
if (xpm_func(xvar->display,param,&img1,&img2,&xpm_att))
return ((void *)0);
if (img2)
XDestroyImage(img2);
if (!(im2 = (void *)mlx_new_image(xvar,img1->width,img1->height)))
{
XDestroyImage(img1);
return ((void *)0);
}
*width = img1->width;
*height = img1->height;
if (mlx_int_egal_img(im2->image,img1))
{
bcopy(img1->data,im2->data,img1->height*img1->bytes_per_line);
XDestroyImage(img1);
return (im2);
}
if (im2->type==MLX_TYPE_SHM_PIXMAP)
{
XFreePixmap(xvar->display,im2->pix);
im2->pix = XCreatePixmap(xvar->display,xvar->root,
*width,*height,xvar->depth);
}
if (im2->type>MLX_TYPE_XIMAGE)
{
XShmDetach(xvar->display,&(im2->shm));
shmdt(im2->data);
}
XDestroyImage(im2->image);
im2->image = img1;
im2->data = img1->data;
im2->type = MLX_TYPE_XIMAGE;
im2->size_line = img1->bytes_per_line;
im2->bpp = img1->bits_per_pixel;
return (im2);
}
int mlx_int_egal_img(XImage *img1,XImage *img2)
{
if (img1->width!=img2->width || img1->height!=img2->height ||
img1->xoffset!=img2->xoffset || img1->format!=img2->format ||
img1->byte_order!=img2->byte_order ||
img1->bitmap_unit!=img2->bitmap_unit ||
img1->bitmap_bit_order!=img2->bitmap_bit_order ||
img1->bitmap_pad!=img2->bitmap_pad || img1->depth!=img2->depth ||
img1->bytes_per_line!=img2->bytes_per_line ||
img1->bits_per_pixel!=img2->bits_per_pixel ||
img1->red_mask!=img2->red_mask || img1->green_mask!=img2->green_mask ||
img1->blue_mask!=img2->blue_mask )
return (0);
return (1);
}
void *mlx_xpm_file_to_image(t_xvar *xvar,char *filename,
int *width,int *height)
{
return (mlx_int_xpm_f_image(xvar,width,height,XpmReadFileToImage,filename));
}
void *mlx_xpm_to_image(t_xvar *xvar,char **data,int *width,int *height)
{
return (mlx_int_xpm_f_image(xvar,width,height,XpmCreateImageFromData,(void *)data));
}