added webpsave boilerplate
This commit is contained in:
John Cupitt
parent
165e7c9717
commit
e9afbe59e2
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@ -52,7 +52,9 @@ libforeign_la_SOURCES = \
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openslideload.c \
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webp.h \
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webpload.c \
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webpsave.c \
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webp2vips.c \
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vips2webp.c \
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vips2jpeg.c \
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jpeg2vips.c \
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jpeg.h \
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@ -1611,6 +1611,8 @@ vips_foreign_operation_init( void )
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extern GType vips_foreign_save_dz_get_type( void );
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extern GType vips_foreign_load_webp_file_get_type( void );
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extern GType vips_foreign_load_webp_buffer_get_type( void );
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extern GType vips_foreign_save_webp_file_get_type( void );
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extern GType vips_foreign_save_webp_buffer_get_type( void );
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vips_foreign_load_rad_get_type();
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vips_foreign_save_rad_get_type();
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@ -1650,6 +1652,8 @@ vips_foreign_operation_init( void )
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#ifdef HAVE_LIBWEBP
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vips_foreign_load_webp_file_get_type();
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vips_foreign_load_webp_buffer_get_type();
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vips_foreign_save_webp_file_get_type();
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vips_foreign_save_webp_buffer_get_type();
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#endif /*HAVE_LIBWEBP*/
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#ifdef HAVE_TIFF
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@ -1953,29 +1957,51 @@ vips_jpegload( const char *filename, VipsImage **out, ... )
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}
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/**
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* vips_jpegsave_mime:
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* vips_jpegsave:
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* @in: image to save
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* @filename: file to write to
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* @...: %NULL-terminated list of optional named arguments
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*
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* Optional arguments:
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*
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* @Q: JPEG quality factor
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* @Q: quality factor
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* @profile: attach this ICC profile
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*
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* As vips_jpegsave(), but save as a mime jpeg on stdout.
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* Write a VIPS image to a file as JPEG.
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*
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* See also: vips_jpegsave(), vips_image_write_to_file().
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* Use @Q to set the JPEG compression factor. Default 75.
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*
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* Use @profile to give the filename of a profile to be embedded in the JPEG.
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* This does not affect the pixels which are written, just the way
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* they are tagged. You can use the special string "none" to mean
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* "don't attach a profile".
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*
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* If no profile is specified and the VIPS header
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* contains an ICC profile named VIPS_META_ICC_NAME ("icc-profile-data"), the
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* profile from the VIPS header will be attached.
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*
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* The image is automatically converted to RGB, Monochrome or CMYK before
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* saving.
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*
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* EXIF data is constructed from @VIPS_META_EXIF_NAME ("exif-data"), then
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* modified with any other related tags on the image before being written to
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* the file.
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*
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* IPCT as @VIPS_META_IPCT_NAME ("ipct-data") and XMP as VIPS_META_XMP_NAME
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* ("xmp-data") are coded and attached.
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*
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* See also: vips_jpegsave_buffer(), vips_image_write_file().
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_jpegsave_mime( VipsImage *in, ... )
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vips_jpegsave( VipsImage *in, const char *filename, ... )
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{
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va_list ap;
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int result;
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va_start( ap, in );
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result = vips_call_split( "jpegsave_mime", ap, in );
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va_start( ap, filename );
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result = vips_call_split( "jpegsave", ap, in, filename );
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va_end( ap );
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return( result );
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@ -2032,51 +2058,29 @@ vips_jpegsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
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}
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/**
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* vips_jpegsave:
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* vips_jpegsave_mime:
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* @in: image to save
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* @filename: file to write to
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* @...: %NULL-terminated list of optional named arguments
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*
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* Optional arguments:
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*
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* @Q: quality factor
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* @Q: JPEG quality factor
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* @profile: attach this ICC profile
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*
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* Write a VIPS image to a file as JPEG.
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* As vips_jpegsave(), but save as a mime jpeg on stdout.
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*
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* Use @Q to set the JPEG compression factor. Default 75.
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*
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* Use @profile to give the filename of a profile to be embedded in the JPEG.
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* This does not affect the pixels which are written, just the way
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* they are tagged. You can use the special string "none" to mean
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* "don't attach a profile".
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*
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* If no profile is specified and the VIPS header
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* contains an ICC profile named VIPS_META_ICC_NAME ("icc-profile-data"), the
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* profile from the VIPS header will be attached.
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*
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* The image is automatically converted to RGB, Monochrome or CMYK before
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* saving.
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*
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* EXIF data is constructed from @VIPS_META_EXIF_NAME ("exif-data"), then
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* modified with any other related tags on the image before being written to
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* the file.
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*
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* IPCT as @VIPS_META_IPCT_NAME ("ipct-data") and XMP as VIPS_META_XMP_NAME
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* ("xmp-data") are coded and attached.
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*
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* See also: vips_jpegsave_buffer(), vips_image_write_file().
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* See also: vips_jpegsave(), vips_image_write_to_file().
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_jpegsave( VipsImage *in, const char *filename, ... )
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vips_jpegsave_mime( VipsImage *in, ... )
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{
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va_list ap;
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int result;
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va_start( ap, filename );
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result = vips_call_split( "jpegsave", ap, in, filename );
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va_start( ap, in );
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result = vips_call_split( "jpegsave_mime", ap, in );
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va_end( ap );
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return( result );
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@ -2110,6 +2114,133 @@ vips_webpload( const char *filename, VipsImage **out, ... )
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return( result );
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}
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/**
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* vips_webpload_buffer:
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* @buf: memory area to load
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* @len: size of memory area
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* @out: image to write
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* @...: %NULL-terminated list of optional named arguments
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*
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* See also:
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_webpload_buffer( void *buf, size_t len, VipsImage **out, ... )
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{
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va_list ap;
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VipsArea *area;
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int result;
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/* We don't take a copy of the data or free it.
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*/
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area = vips_area_new_blob( NULL, buf, len );
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va_start( ap, out );
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result = vips_call_split( "webpload_buffer", ap, area, out );
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va_end( ap );
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vips_area_unref( area );
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return( result );
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}
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/**
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* vips_webpsave:
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* @in: image to save
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* @filename: file to write to
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* @...: %NULL-terminated list of optional named arguments
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*
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* Optional arguments:
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*
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* @Q: quality factor
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*
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* See also:
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_webpsave( VipsImage *in, const char *filename, ... )
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{
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va_list ap;
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int result;
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va_start( ap, filename );
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result = vips_call_split( "webpsave", ap, in, filename );
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va_end( ap );
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return( result );
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}
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/**
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* vips_webpsave_buffer:
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* @in: image to save
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* @buf: return output buffer here
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* @len: return output length here
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* @...: %NULL-terminated list of optional named arguments
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*
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* Optional arguments:
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*
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* @Q: JPEG quality factor
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*
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* See also:
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_webpsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
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{
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va_list ap;
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VipsArea *area;
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int result;
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area = NULL;
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va_start( ap, len );
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result = vips_call_split( "webpsave_buffer", ap, in, &area );
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va_end( ap );
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if( !result &&
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area ) {
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if( buf ) {
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*buf = area->data;
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area->free_fn = NULL;
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}
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if( buf )
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*len = area->length;
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vips_area_unref( area );
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}
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return( result );
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}
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/**
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* vips_webpsave_mime:
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* @in: image to save
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* @...: %NULL-terminated list of optional named arguments
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*
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* Optional arguments:
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*
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* @Q: quality factor
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*
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* See also:
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_webpsave_mime( VipsImage *in, ... )
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{
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va_list ap;
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int result;
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va_start( ap, in );
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result = vips_call_split( "webpsave_mime", ap, in );
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va_end( ap );
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return( result );
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}
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/**
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* vips_openexrload:
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* @filename: file to load
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@ -0,0 +1,70 @@
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/* wrap libwebp libray for write
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*
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* 6/8/13
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* - from vips2jpeg.c
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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/*
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#define DEBUG
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#define VIPS_DEBUG
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#ifdef HAVE_LIBWEBP
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#include <stdlib.h>
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#include <vips/vips.h>
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#include <webp/encode.h>
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#include "webp.h"
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int
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vips__webp_write_file( VipsImage *in, const char *filename, int Q )
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{
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printf( "vips__webp_write_file:\n" );
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return( 0 );
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}
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int
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vips__webp_write_buffer( VipsImage *in, void **obuf, size_t *olen, int Q )
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{
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printf( "vips__webp_write_buffer:\n" );
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return( 0 );
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}
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#endif /*HAVE_LIBWEBP*/
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@ -35,6 +35,8 @@
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extern "C" {
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#endif /*__cplusplus*/
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extern const char *vips__webp_suffs[];
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int vips__iswebp( const char *filename );
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int vips__webp_read_file_header( const char *name, VipsImage *out );
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@ -43,6 +45,9 @@ int vips__webp_read_file( const char *name, VipsImage *out );
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int vips__webp_read_buffer_header( void *buf, size_t len, VipsImage *out );
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int vips__webp_read_buffer( void *buf, size_t len, VipsImage *out );
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int vips__webp_write_file( VipsImage *out, const char *filename, int Q );
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int vips__webp_write_buffer( VipsImage *out, void **buf, size_t *len, int Q );
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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@ -60,9 +60,7 @@ G_DEFINE_ABSTRACT_TYPE( VipsForeignLoadWebp, vips_foreign_load_webp,
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static VipsForeignFlags
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vips_foreign_load_webp_get_flags( VipsForeignLoad *load )
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{
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/* The libwebp reader supports sequential read.
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*/
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return( VIPS_FOREIGN_SEQUENTIAL );
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return( 0 );
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}
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static int
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@ -117,9 +115,7 @@ G_DEFINE_TYPE( VipsForeignLoadWebpFile, vips_foreign_load_webp_file,
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static VipsForeignFlags
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vips_foreign_load_webp_file_get_flags_filename( const char *filename )
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{
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/* The webp reader supports sequential read.
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*/
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return( VIPS_FOREIGN_SEQUENTIAL );
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return( 0 );
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}
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static gboolean
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@ -152,7 +148,7 @@ vips_foreign_load_webp_file_load( VipsForeignLoad *load )
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return( 0 );
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}
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static const char *webp_suffs[] = { ".webp", NULL };
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const char *vips__webp_suffs[] = { ".webp", NULL };
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static void
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vips_foreign_load_webp_file_class_init( VipsForeignLoadWebpFileClass *class )
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@ -168,7 +164,7 @@ vips_foreign_load_webp_file_class_init( VipsForeignLoadWebpFileClass *class )
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object_class->nickname = "webpload";
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object_class->description = _( "load webp from file" );
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foreign_class->suffs = webp_suffs;
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foreign_class->suffs = vips__webp_suffs;
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load_class->get_flags_filename =
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vips_foreign_load_webp_file_get_flags_filename;
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@ -0,0 +1,288 @@
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/* save to webp
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*
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* 24/11/11
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* - wrap a class around the webp writer
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA
|
||||
|
||||
*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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/*
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#define DEBUG_VERBOSE
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#define DEBUG
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#ifdef HAVE_LIBWEBP
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#include <stdlib.h>
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#include <vips/vips.h>
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#include "webp.h"
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typedef struct _VipsForeignSaveWebp {
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VipsForeignSave parent_object;
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/* Quality factor.
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*/
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int Q;
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} VipsForeignSaveWebp;
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typedef VipsForeignSaveClass VipsForeignSaveWebpClass;
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G_DEFINE_ABSTRACT_TYPE( VipsForeignSaveWebp, vips_foreign_save_webp,
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VIPS_TYPE_FOREIGN_SAVE );
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#define UC VIPS_FORMAT_UCHAR
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/* Type promotion for save ... just always go to uchar.
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*/
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static int bandfmt_webp[10] = {
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/* UC C US S UI I F X D DX */
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UC, UC, UC, UC, UC, UC, UC, UC, UC, UC
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};
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static void
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vips_foreign_save_webp_class_init( VipsForeignSaveWebpClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "webpsave_base";
|
||||
object_class->description = _( "save webp" );
|
||||
|
||||
save_class->saveable = VIPS_SAVEABLE_RGBA;
|
||||
save_class->format_table = bandfmt_webp;
|
||||
|
||||
VIPS_ARG_INT( class, "Q", 10,
|
||||
_( "Q" ),
|
||||
_( "Q factor" ),
|
||||
VIPS_ARGUMENT_OPTIONAL_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignSaveWebp, Q ),
|
||||
1, 100, 75 );
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_webp_init( VipsForeignSaveWebp *webp )
|
||||
{
|
||||
webp->Q = 80;
|
||||
}
|
||||
|
||||
typedef struct _VipsForeignSaveWebpFile {
|
||||
VipsForeignSaveWebp parent_object;
|
||||
|
||||
/* Filename for save.
|
||||
*/
|
||||
char *filename;
|
||||
|
||||
} VipsForeignSaveWebpFile;
|
||||
|
||||
typedef VipsForeignSaveWebpClass VipsForeignSaveWebpFileClass;
|
||||
|
||||
G_DEFINE_TYPE( VipsForeignSaveWebpFile, vips_foreign_save_webp_file,
|
||||
vips_foreign_save_webp_get_type() );
|
||||
|
||||
static int
|
||||
vips_foreign_save_webp_file_build( VipsObject *object )
|
||||
{
|
||||
VipsForeignSave *save = (VipsForeignSave *) object;
|
||||
VipsForeignSaveWebp *webp = (VipsForeignSaveWebp *) object;
|
||||
VipsForeignSaveWebpFile *file = (VipsForeignSaveWebpFile *) object;
|
||||
|
||||
if( VIPS_OBJECT_CLASS( vips_foreign_save_webp_file_parent_class )->
|
||||
build( object ) )
|
||||
return( -1 );
|
||||
|
||||
if( vips__webp_write_file( save->ready, file->filename, webp->Q ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_webp_file_class_init( VipsForeignSaveWebpFileClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
VipsForeignClass *foreign_class = (VipsForeignClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "webpsave";
|
||||
object_class->description = _( "save image to webp file" );
|
||||
object_class->build = vips_foreign_save_webp_file_build;
|
||||
|
||||
foreign_class->suffs = vips__webp_suffs;
|
||||
|
||||
VIPS_ARG_STRING( class, "filename", 1,
|
||||
_( "Filename" ),
|
||||
_( "Filename to save to" ),
|
||||
VIPS_ARGUMENT_REQUIRED_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignSaveWebpFile, filename ),
|
||||
NULL );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_webp_file_init( VipsForeignSaveWebpFile *file )
|
||||
{
|
||||
}
|
||||
|
||||
typedef struct _VipsForeignSaveWebpBuffer {
|
||||
VipsForeignSaveWebp parent_object;
|
||||
|
||||
/* Save to a buffer.
|
||||
*/
|
||||
VipsArea *buf;
|
||||
|
||||
} VipsForeignSaveWebpBuffer;
|
||||
|
||||
typedef VipsForeignSaveWebpClass VipsForeignSaveWebpBufferClass;
|
||||
|
||||
G_DEFINE_TYPE( VipsForeignSaveWebpBuffer, vips_foreign_save_webp_buffer,
|
||||
vips_foreign_save_webp_get_type() );
|
||||
|
||||
static int
|
||||
vips_foreign_save_webp_buffer_build( VipsObject *object )
|
||||
{
|
||||
VipsForeignSave *save = (VipsForeignSave *) object;
|
||||
VipsForeignSaveWebp *webp = (VipsForeignSaveWebp *) object;
|
||||
VipsForeignSaveWebpBuffer *file = (VipsForeignSaveWebpBuffer *) object;
|
||||
|
||||
void *obuf;
|
||||
size_t olen;
|
||||
VipsArea *area;
|
||||
|
||||
if( VIPS_OBJECT_CLASS( vips_foreign_save_webp_buffer_parent_class )->
|
||||
build( object ) )
|
||||
return( -1 );
|
||||
|
||||
if( vips__webp_write_buffer( save->ready, &obuf, &olen, webp->Q ) )
|
||||
return( -1 );
|
||||
|
||||
area = vips_area_new_blob( (VipsCallbackFn) vips_free, obuf, olen );
|
||||
g_object_set( file, "buffer", area, NULL );
|
||||
vips_area_unref( area );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_webp_buffer_class_init(
|
||||
VipsForeignSaveWebpBufferClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "webpsave_buffer";
|
||||
object_class->description = _( "save image to webp buffer" );
|
||||
object_class->build = vips_foreign_save_webp_buffer_build;
|
||||
|
||||
VIPS_ARG_BOXED( class, "buffer", 1,
|
||||
_( "Buffer" ),
|
||||
_( "Buffer to save to" ),
|
||||
VIPS_ARGUMENT_REQUIRED_OUTPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignSaveWebpBuffer, buf ),
|
||||
VIPS_TYPE_BLOB );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_webp_buffer_init( VipsForeignSaveWebpBuffer *file )
|
||||
{
|
||||
}
|
||||
|
||||
typedef struct _VipsForeignSaveWebpMime {
|
||||
VipsForeignSaveWebp parent_object;
|
||||
|
||||
} VipsForeignSaveWebpMime;
|
||||
|
||||
typedef VipsForeignSaveWebpClass VipsForeignSaveWebpMimeClass;
|
||||
|
||||
G_DEFINE_TYPE( VipsForeignSaveWebpMime, vips_foreign_save_webp_mime,
|
||||
vips_foreign_save_webp_get_type() );
|
||||
|
||||
static int
|
||||
vips_foreign_save_webp_mime_build( VipsObject *object )
|
||||
{
|
||||
VipsForeignSave *save = (VipsForeignSave *) object;
|
||||
VipsForeignSaveWebp *webp = (VipsForeignSaveWebp *) object;
|
||||
|
||||
void *obuf;
|
||||
size_t olen;
|
||||
|
||||
if( VIPS_OBJECT_CLASS( vips_foreign_save_webp_mime_parent_class )->
|
||||
build( object ) )
|
||||
return( -1 );
|
||||
|
||||
if( vips__webp_write_buffer( save->ready, &obuf, &olen, webp->Q ) )
|
||||
return( -1 );
|
||||
|
||||
printf( "Content-length: %zd\r\n", olen );
|
||||
printf( "Content-type: image/webp\r\n" );
|
||||
printf( "\r\n" );
|
||||
if( fwrite( obuf, sizeof( char ), olen, stdout ) != olen ) {
|
||||
vips_error( "VipsWebp", "%s", _( "error writing output" ) );
|
||||
return( -1 );
|
||||
}
|
||||
fflush( stdout );
|
||||
|
||||
g_free( obuf );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_webp_mime_class_init( VipsForeignSaveWebpMimeClass *class )
|
||||
{
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
|
||||
object_class->nickname = "webpsave_mime";
|
||||
object_class->description = _( "save image to webp mime" );
|
||||
object_class->build = vips_foreign_save_webp_mime_build;
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_webp_mime_init( VipsForeignSaveWebpMime *mime )
|
||||
{
|
||||
}
|
||||
|
||||
#endif /*HAVE_LIBWEBP*/
|
||||
|
|
@ -321,6 +321,15 @@ int vips_jpegsave_mime( VipsImage *in, ... )
|
|||
|
||||
int vips_webpload( const char *filename, VipsImage **out, ... )
|
||||
__attribute__((sentinel));
|
||||
int vips_webpload_buffer( void *buf, size_t len, VipsImage **out, ... )
|
||||
__attribute__((sentinel));
|
||||
|
||||
int vips_webpsave( VipsImage *in, const char *filename, ... )
|
||||
__attribute__((sentinel));
|
||||
int vips_webpsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
|
||||
__attribute__((sentinel));
|
||||
int vips_webpsave_mime( VipsImage *in, ... )
|
||||
__attribute__((sentinel));
|
||||
|
||||
/**
|
||||
* VipsForeignTiffCompression:
|
||||
|
|
|
|||
Loading…
Reference in New Issue