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Code Issues Releases Activity

Remove ICC hacks; Enable ICC support for PNG

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DarthSim
2021-06-25 13:28:33 +06:00
parent 6f21815fd3
commit 302bf64ea2
6 changed files with 10 additions and 37 deletions
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25
vips.c
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@@ -355,31 +355,6 @@ vips_resize_with_premultiply(VipsImage *in, VipsImage **out, double scale) {
return 0;
}
int
vips_icc_is_srgb_iec61966(VipsImage *in) {
VIPS_BLOB_DATA_TYPE data;
size_t data_len;
// 1998-12-01
static char date[] = { 7, 206, 0, 2, 0, 9 };
// 2.1
static char version[] = { 2, 16, 0, 0 };
if (vips_image_get_blob(in, VIPS_META_ICC_NAME, &data, &data_len))
return FALSE;
// Less than header size
if (data_len < 128)
return FALSE;
// Predict it is sRGB IEC61966 2.1 by checking some header fields
return ((memcmp(data + 48, "IEC ", 4) == 0) && // Device manufacturer
(memcmp(data + 52, "sRGB", 4) == 0) && // Device model
(memcmp(data + 80, "HP ", 4) == 0) && // Profile creator
(memcmp(data + 24, date, 6) == 0) && // Date of creation
(memcmp(data + 8, version, 4) == 0)); // Version
}
int
vips_has_embedded_icc(VipsImage *in) {
return vips_image_get_typeof(in, VIPS_META_ICC_NAME) != 0;