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Use palette-bit-depth for palette bitdepth instead of VIPS_META_BITS_PER_SAMPLE

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This commit is contained in:
DarthSim
2023-11-13 20:26:58 +03:00
parent 33bbfd0ed9
commit 07528dbecf
4 changed files with 15 additions and 16 deletions
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2
processing/watermark.go
View File

@@ -69,7 +69,7 @@ func prepareWatermark(wm *vips.Image, wmData *imagedata.ImageData, opts *options
}
}
wm.RemoveBitsPerSampleHeader()
wm.RemovePaletteBitDepth()
return nil
}

23
vips/vips.c
View File

@@ -18,9 +18,7 @@
#define VIPS_SCRGB_ALPHA_FIXED \
(VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 15))
#ifndef VIPS_META_BITS_PER_SAMPLE
#define VIPS_META_BITS_PER_SAMPLE "palette-bit-depth"
#endif
#define VIPS_META_PALETTE_BITS_DEPTH "palette-bit-depth"
int
vips_initialize()
@@ -273,22 +271,22 @@ vips_get_orientation(VipsImage *image)
}
int
vips_get_bits_per_sample(VipsImage *image)
vips_get_palette_bit_depth(VipsImage *image)
{
int bits_per_sample;
int palette_bit_depth;
if (
vips_image_get_typeof(image, VIPS_META_BITS_PER_SAMPLE) == G_TYPE_INT &&
vips_image_get_int(image, VIPS_META_BITS_PER_SAMPLE, &bits_per_sample) == 0)
return bits_per_sample;
vips_image_get_typeof(image, VIPS_META_PALETTE_BITS_DEPTH) == G_TYPE_INT &&
vips_image_get_int(image, VIPS_META_PALETTE_BITS_DEPTH, &palette_bit_depth) == 0)
return palette_bit_depth;
return 0;
}
void
vips_remove_bits_per_sample(VipsImage *image)
vips_remove_palette_bit_depth(VipsImage *image)
{
vips_image_remove(image, VIPS_META_BITS_PER_SAMPLE);
vips_image_remove(image, VIPS_META_PALETTE_BITS_DEPTH);
}
VipsBandFormat
@@ -790,6 +788,7 @@ vips_strip(VipsImage *in, VipsImage **out, int keep_exif_copyright)
if (
(strcmp(name, VIPS_META_ICC_NAME) == 0) ||
(strcmp(name, VIPS_META_BITS_PER_SAMPLE) == 0) ||
(strcmp(name, VIPS_META_PALETTE_BITS_DEPTH) == 0) ||
(strcmp(name, "width") == 0) ||
(strcmp(name, "height") == 0) ||
(strcmp(name, "bands") == 0) ||
@@ -848,7 +847,7 @@ vips_pngsave_go(VipsImage *in, void **buf, size_t *len, int interlace, int quant
bitdepth = 2;
}
else {
bitdepth = vips_get_bits_per_sample(in);
bitdepth = vips_get_palette_bit_depth(in);
if (bitdepth && bitdepth <= 8) {
if (bitdepth > 4)
bitdepth = 8;
@@ -888,7 +887,7 @@ int
vips_gifsave_go(VipsImage *in, void **buf, size_t *len)
{
#if VIPS_SUPPORT_GIFSAVE
int bitdepth = vips_get_bits_per_sample(in);
int bitdepth = vips_get_palette_bit_depth(in);
if (bitdepth <= 0 || bitdepth > 8)
bitdepth = 8;
return vips_gifsave_buffer(in, buf, len, "bitdepth", bitdepth, NULL);

4
vips/vips.go
View File

@@ -553,8 +553,8 @@ func (img *Image) SetBlob(name string, value []byte) {
C.vips_image_set_blob_copy(img.VipsImage, cachedCString(name), unsafe.Pointer(&value[0]), C.size_t(len(value)))
}
func (img *Image) RemoveBitsPerSampleHeader() {
C.vips_remove_bits_per_sample(img.VipsImage)
func (img *Image) RemovePaletteBitDepth() {
C.vips_remove_palette_bit_depth(img.VipsImage)
}
func (img *Image) CastUchar() error {

2
vips/vips.h
View File

@@ -32,7 +32,7 @@ void vips_strip_meta(VipsImage *image);
VipsBandFormat vips_band_format(VipsImage *in);
void vips_remove_bits_per_sample(VipsImage *image);
void vips_remove_palette_bit_depth(VipsImage *image);
gboolean vips_is_animated(VipsImage *in);