mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-02 03:01:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 15

* Extended X interface: pixmap objects, colormap objects visual objects,

Browse source 
image objects, and lots of new methods.
* Added counting of allocations and deallocations of builtin types if
  COUNT_ALLOCS is defined.  Had to move calls to NEWREF down in some
  files.
* Bug fix in sorting lists.
This commit is contained in:
Sjoerd Mullender 1993-10-11 12:54:31 +00:00
parent 35fe6ec4cf
commit a9c3c22c33
12 changed files with 150 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

64
Modules/imgfile.c
View file

@ -43,6 +43,7 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
static object * ImgfileError; /* Exception we raise for various trouble */
static int top_to_bottom; /* True if we want top-to-bottom images */
/* The image library does not always call the error hander :-(,
therefore we have a global variable indicating that it was called.
@ -86,6 +87,20 @@ imgfile_open(fname)
return image;
}
static object *
imgfile_ttob(self, args)
object *self;
object *args;
{
int newval;
object *rv;
if (!getargs(args, "i", &newval))
return NULL;
rv = newintobject(top_to_bottom);
top_to_bottom = newval;
return rv;
}
static object *
imgfile_read(self, args)
@ -100,7 +115,8 @@ imgfile_read(self, args)
static short rs[8192], gs[8192], bs[8192];
int x, y;
IMAGE *image;
int yfirst, ylast, ystep;
if ( !getargs(args, "s", &fname) )
return NULL;
@ -139,7 +155,17 @@ imgfile_read(self, args)
}
cdatap = getstringvalue(rv);
idatap = (long *)cdatap;
for ( y=0; y < ysize && !error_called; y++ ) {
if (top_to_bottom) {
yfirst = ysize-1;
ylast = -1;
ystep = -1;
} else {
yfirst = 0;
ylast = ysize;
ystep = 1;
}
for ( y=yfirst; y != ylast && !error_called; y += ystep ) {
if ( zsize == 1 ) {
getrow(image, rs, y, 0);
for(x=0; x<xsize; x++ )
@ -164,14 +190,17 @@ imgfile_read(self, args)
static IMAGE *glob_image;
static long *glob_datap;
static int glob_width, glob_z;
static int glob_width, glob_z, glob_ysize;
static
xs_get(buf, y)
short *buf;
int y;
{
getrow(glob_image, buf, y, glob_z);
if (top_to_bottom)
getrow(glob_image, buf, (glob_ysize-1-y), glob_z);
else
getrow(glob_image, buf, y, glob_z);
}
static
@ -221,6 +250,7 @@ xscale(image, xsize, ysize, zsize, datap, xnew, ynew, fmode, blur)
glob_image = image;
glob_datap = datap;
glob_width = xnew;
glob_ysize = ysize;
if ( zsize == 1 ) {
glob_z = 0;
filterzoom(xs_get, xs_put_c, xsize, ysize, xnew, ynew, fmode, blur);
@ -255,6 +285,7 @@ imgfile_readscaled(self, args)
double blur;
int extended;
int fmode;
int yfirst, ylast, ystep;
/*
** Parse args. Funny, since arg 4 and 5 are optional
@ -331,7 +362,16 @@ imgfile_readscaled(self, args)
if ( extended ) {
xscale(image, xsize, ysize, zsize, idatap, xwtd, ywtd, fmode, blur);
} else {
for ( y=0; y < ywtd && !error_called; y++ ) {
if (top_to_bottom) {
yfirst = ywtd-1;
ylast = -1;
ystep = -1;
} else {
yfirst = 0;
ylast = ywtd;
ystep = 1;
}
for ( y=yfirst; y != ylast && !error_called; y += ystep ) {
yorig = (int)(y*yfac);
if ( zsize == 1 ) {
getrow(image, rs, yorig, 0);
@ -392,6 +432,8 @@ imgfile_write(self, args)
short r, g, b;
long rgb;
int x, y;
int yfirst, ylast, ystep;
if ( !getargs(args, "(ss#iii)",
&fname, &cdatap, &len, &xsize, &ysize, &zsize) )
@ -425,7 +467,16 @@ imgfile_write(self, args)
idatap = (long *)cdatap;
for( y=0; y<ysize && !error_called; y++ ) {
if (top_to_bottom) {
yfirst = ysize-1;
ylast = -1;
ystep = -1;
} else {
yfirst = 0;
ylast = ysize;
ystep = 1;
}
for ( y=yfirst; y != ylast && !error_called; y += ystep ) {
if ( zsize == 1 ) {
for( x=0; x<xsize; x++ )
rs[x] = *cdatap++;
@ -459,6 +510,7 @@ static struct methodlist imgfile_methods[] = {
{ "read", imgfile_read },
{ "readscaled", imgfile_readscaled, 1},
{ "write", imgfile_write },
{ "ttob", imgfile_ttob },
{ NULL, NULL } /* Sentinel */
};