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GIF output support

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This commit is contained in:
DarthSim
2018-11-08 16:34:21 +06:00
parent fcdc4580a5
commit 2c0b538eb5
16 changed files with 535 additions and 123 deletions
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75
vips.h
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@@ -10,7 +10,10 @@
(VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 5))
#define VIPS_SUPPORT_GIF \
VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 3)
(VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 3))
#define VIPS_SUPPORT_MAGICK \
(VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 7))
#define EXIF_ORIENTATION "exif-ifd0-Orientation"
@@ -38,16 +41,16 @@ swap_and_clear(VipsImage **in, VipsImage *out) {
int
vips_type_find_load_go(int imgtype) {
if (imgtype == JPEG) {
return vips_type_find("VipsOperation", "jpegload");
return vips_type_find("VipsOperation", "jpegload_buffer");
}
if (imgtype == PNG) {
return vips_type_find("VipsOperation", "pngload");
return vips_type_find("VipsOperation", "pngload_buffer");
}
if (imgtype == WEBP) {
return vips_type_find("VipsOperation", "webpload");
return vips_type_find("VipsOperation", "webpload_buffer");
}
if (imgtype == GIF) {
return vips_type_find("VipsOperation", "gifload");
return vips_type_find("VipsOperation", "gifload_buffer");
}
return 0;
}
@@ -63,30 +66,40 @@ vips_type_find_save_go(int imgtype) {
if (imgtype == WEBP) {
return vips_type_find("VipsOperation", "webpsave_buffer");
}
if (imgtype == GIF) {
return vips_type_find("VipsOperation", "magicksave_buffer");
}
return 0;
}
int
vips_load_buffer(void *buf, size_t len, int imgtype, int shrink, VipsImage **out) {
switch (imgtype) {
case JPEG:
if (shrink > 1) {
return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL);
}
return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL);
case PNG:
return vips_pngload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL);
case WEBP:
if (shrink > 1) {
return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL);
}
return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL);
#if VIPS_SUPPORT_GIF
case GIF:
return vips_gifload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL);
#endif
vips_jpegload_go(void *buf, size_t len, int shrink, VipsImage **out) {
if (shrink > 1) {
return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL);
}
return 1;
return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL);
}
int
vips_pngload_go(void *buf, size_t len, VipsImage **out) {
return vips_pngload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL);
}
int
vips_webpload_go(void *buf, size_t len, int shrink, VipsImage **out) {
if (shrink > 1) {
return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL);
}
return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL);
}
int
vips_gifload_go(void *buf, size_t len, int pages, VipsImage **out) {
#if VIPS_SUPPORT_GIF
return vips_gifload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "n", pages, NULL);
#else
return 1;
#endif
}
int
@@ -238,6 +251,11 @@ vips_ifthenelse_go(VipsImage *cond, VipsImage *in1, VipsImage *in2, VipsImage **
return vips_ifthenelse(cond, in1, in2, out, "blend", TRUE, NULL);
}
int
vips_arrayjoin_go(VipsImage **in, VipsImage **out, int n) {
return vips_arrayjoin(in, out, n, "across", 1, NULL);
}
int
vips_jpegsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality, int interlace) {
return vips_jpegsave_buffer(in, buf, len, "strip", strip, "Q", quality, "optimize_coding", TRUE, "interlace", interlace, NULL);
@@ -253,6 +271,15 @@ vips_webpsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality)
return vips_webpsave_buffer(in, buf, len, "strip", strip, "Q", quality, NULL);
}
int
vips_gifsave_go(VipsImage *in, void **buf, size_t *len) {
#if VIPS_SUPPORT_MAGICK
return vips_magicksave_buffer(in, buf, len, "format", "gif", NULL);
#else
return 1;
#endif
}
void
vips_cleanup() {
vips_thread_shutdown();