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legacy-imlib2
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pnm loader can save now... 

SVN revision: 1135
This commit is contained in:
Carsten Haitzler 1999-11-02 08:25:18 +00:00
parent 66fc703118
commit 72ed61340b
1 changed files with 91 additions and 30 deletions
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121
loaders/loader_pnm.c
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@ -368,12 +368,12 @@ load (ImlibImage *im,
{
for (x = 0; x < w; x++)
{
*ptr2 = 0xff000000 |
*ptr2 = (ptr[3] << 24) |
(ptr[0] << 16) |
(ptr[1] << 8) |
ptr[2];
ptr2++;
ptr += 3;
ptr += 4;
}
}
else
@ -424,42 +424,103 @@ save (ImlibImage *im,
char progress_granularity)
{
FILE *f;
DATA8 *buf;
DATA8 *buf, *bptr;
DATA32 *ptr;
int y = 0, quality = 75;
ImlibImageTag *tag;
int x, y, pl = 0;
char pper = 0;
/* no image data? abort */
if (!im->data)
return 0;
/* allocate a small buffer to convert image data */
buf = malloc(im->w * 3 * sizeof(DATA8));
if (!buf)
return 0;
f = fopen(im->file, "wb");
if (!f)
return 0;
/* if the image has a useful alpha channel */
if (im->flags & F_HAS_ALPHA)
{
free(buf);
return 0;
}
/* look for tags attached to image to get extra parameters liek quality */
/* settigns etc. - thsi si the "api" to hint for extra information for */
/* saver modules */
tag = __imlib_GetTag(im, "quality");
if (tag)
quality = tag->val;
if (quality < 1)
quality = 1;
if (quality > 100)
quality = 100;
{
if (progress)
/* allocate a small buffer to convert image data */
buf = malloc(im->w * 4 * sizeof(DATA8));
if (!buf)
{
char per;
per = (char)((100 * y) / im->h);
progress(im, per, 0, y, im->w, 1);
fclose(f);
return 0;
}
ptr = im->data;
fprintf(f,
"P8\n"
"# PNM File written by Imlib2\n"
"%i %i\n"
"255\n", im->w, im->h);
for (y = 0; y < im->h; y++)
{
bptr = buf;
for (x = 0; x < im->w; x++)
{
bptr[0] = ((*ptr) >> 16) & 0xff;
bptr[1] = ((*ptr) >> 8 ) & 0xff;
bptr[2] = ((*ptr) ) & 0xff;
bptr[3] = ((*ptr) >> 24) & 0xff;
bptr += 4;
ptr++;
}
fwrite(buf, im->w * 4, 1, f);
if (progress)
{
char per;
int l;
per = (char)((100 * y) / im->h);
if ((per - pper) >= progress_granularity)
{
l = y - pl;
progress(im, per, 0, (y - l), im->w, l);
pper = per;
pl = y;
}
}
}
}
else
{
/* allocate a small buffer to convert image data */
buf = malloc(im->w * 3 * sizeof(DATA8));
if (!buf)
{
fclose(f);
return 0;
}
ptr = im->data;
fprintf(f,
"P6\n"
"# PNM File written by Imlib2\n"
"%i %i\n"
"255\n", im->w, im->h);
for (y = 0; y < im->h; y++)
{
bptr = buf;
for (x = 0; x < im->w; x++)
{
bptr[0] = ((*ptr) >> 16) & 0xff;
bptr[1] = ((*ptr) >> 8 ) & 0xff;
bptr[2] = ((*ptr) ) & 0xff;
bptr += 3;
ptr++;
}
fwrite(buf, im->w * 3, 1, f);
if (progress)
{
char per;
int l;
per = (char)((100 * y) / im->h);
if ((per - pper) >= progress_granularity)
{
l = y - pl;
progress(im, per, 0, (y - l), im->w, l);
pper = per;
pl = y;
}
}
}
}
/* finish off */