1 # definitions we don't want to make visible to the world
2 # because they're intended for use specifically by Imager.xs
4 # internal types used in Imager.xs
5 i_channel_list T_IM_CHANNEL_LIST
6 i_sample_list T_IM_SAMPLE_LIST
7 i_fsample_list T_IM_FSAMPLE_LIST
11 Imager::Internal::Hlines T_PTROBJ
13 #############################################################################
17 $var = i_sv_off_t(aTHX_ $arg);
24 if (!SvROK($arg) || SvTYPE(SvRV($arg)) != SVt_PVAV) {
25 croak(\"$var is not an array ref\");
27 channels_av = (AV *)SvRV($arg);
28 $var.count = av_len(channels_av) + 1;
30 croak(\"$pname: no channels provided\");
32 $var.channels = malloc_temp(aTHX_ sizeof(int) * $var.count);
33 for (i = 0; i < $var.count; ++i) {
34 SV **entry = av_fetch(channels_av, i, 0);
35 $var.channels[i] = entry ? SvIV(*entry) : 0;
39 /* assumes we have an image */
40 $var.count = im->channels;
47 croak(\"$var must be a scalar or an arrayref\");
52 if (SvTYPE(SvRV($arg)) != SVt_PVAV)
53 croak(\"$var must be a scalar or an arrayref\");
54 av = (AV *)SvRV($arg);
55 $var.count = av_len(av) + 1;
57 croak(\"$pname: no samples provided in $var\");
58 s = malloc_temp(aTHX_ sizeof(i_sample_t) * $var.count);
59 for (i = 0; i < $var.count; ++i) {
60 SV **entry = av_fetch(av, i, 0);
61 s[i] = entry ? SvIV(*entry) : 0;
66 /* non-magic would be preferable here */
67 $var.samples = (const i_sample_t *)SvPVbyte($arg, $var.count);
69 croak(\"$pname: no samples provided in $var\");
75 croak(\"$var must be a scalar or an arrayref\");
80 if (SvTYPE(SvRV($arg)) != SVt_PVAV)
81 croak(\"$var must be a scalar or an arrayref\");
82 av = (AV *)SvRV($arg);
83 $var.count = av_len(av) + 1;
85 croak(\"$pname: no samples provided in $var\");
86 s = malloc_temp(aTHX_ sizeof(i_fsample_t) * $var.count);
87 for (i = 0; i < $var.count; ++i) {
88 SV **entry = av_fetch(av, i, 0);
89 s[i] = entry ? SvNV(*entry) : 0;
94 /* non-magic would be preferable here */
95 $var.samples = (const i_fsample_t *)SvPVbyte($arg, $var.count);
96 if ($var.count % sizeof(double))
97 croak(\"$pname: $var doesn't not contain a integer number of samples\");
98 $var.count /= sizeof(double);
100 croak(\"$pname: no samples provided in $var\");
103 #############################################################################
107 $arg = i_new_sv_off_t(aTHX_ $var);