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refactor: bindings

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This commit is contained in:
Tomas Aparicio 2015-04-06 13:25:01 +02:00
parent d6f8ad617b
commit 206a1efc66
6 changed files with 129 additions and 47 deletions
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46
vips.go
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@ -15,8 +15,8 @@ import (
)
var (
initialized bool = false
m sync.Mutex
initialized bool = false
)
type vipsImage C.struct__VipsImage
@ -31,7 +31,7 @@ func init() {
Initialize()
C.vips_concurrency_set(0) // single-thread
C.vips_concurrency_set(0) // default
C.vips_cache_set_max_mem(100 * 1024 * 1024) // 100 MB
C.vips_cache_set_max(500) // 500 operations
}
@ -49,10 +49,12 @@ func Initialize() {
}
func Shutdown() {
m.Lock()
defer m.Unlock()
C.vips_shutdown()
initialized = false
if initialized == true {
m.Lock()
defer m.Unlock()
C.vips_shutdown()
initialized = false
}
}
func vipsRotate(image *C.struct__VipsImage, angle Angle) (*C.struct__VipsImage, error) {
@ -71,7 +73,7 @@ func vipsRotate(image *C.struct__VipsImage, angle Angle) (*C.struct__VipsImage,
func vipsFlip(image *C.struct__VipsImage, direction Direction) (*C.struct__VipsImage, error) {
var out *C.struct__VipsImage
err := C.vips_flip_custom(image, &out, C.int(direction))
err := C.vips_flip_bridge(image, &out, C.int(direction))
C.g_object_unref(C.gpointer(image))
if err != 0 {
return nil, catchVipsError()
@ -105,7 +107,7 @@ func vipsRead(buf []byte) (*C.struct__VipsImage, ImageType, error) {
func vipsExtract(image *C.struct__VipsImage, left, top, width, height int) (*C.struct__VipsImage, error) {
var buf *C.struct__VipsImage
err := C.vips_extract_area_custom(image, &buf, C.int(left), C.int(top), C.int(width), C.int(height))
err := C.vips_extract_area_bridge(image, &buf, C.int(left), C.int(top), C.int(width), C.int(height))
C.g_object_unref(C.gpointer(image))
if err != 0 {
return nil, catchVipsError()
@ -141,7 +143,7 @@ func vipsShrink(input *C.struct__VipsImage, shrink int) (*C.struct__VipsImage, e
func vipsEmbed(input *C.struct__VipsImage, left, top, width, height, extend int) (*C.struct__VipsImage, error) {
var image *C.struct__VipsImage
err := C.vips_embed_custom(input, &image, C.int(left), C.int(top), C.int(width), C.int(height), C.int(extend))
err := C.vips_embed_bridge(input, &image, C.int(left), C.int(top), C.int(width), C.int(height), C.int(extend))
C.g_object_unref(C.gpointer(image))
if err != 0 {
return nil, catchVipsError()
@ -199,6 +201,26 @@ func vipsExifOrientation(image *C.struct__VipsImage) int {
return int(C.vips_exif_orientation(image))
}
func vipsHasAlpha(image *C.struct__VipsImage) bool {
return int(C.has_alpha_channel(image)) > 0
}
func vipsHasProfile(image *C.struct__VipsImage) bool {
return int(C.has_profile_embed(image)) > 0
}
func vipsWindowSize(name string) int {
return int(C.interpolator_window_size(C.CString(name)))
}
func vipsSpace(image *C.struct__VipsImage) string {
return C.GoString(C.vips_enum_nick_bridge(image))
}
func vipsImageBands(image *C.struct__VipsImage) int {
return int(C.vips_image_bands(image))
}
type vipsSaveOptions struct {
Quality int
Compression int
@ -212,13 +234,13 @@ func vipsSave(image *C.struct__VipsImage, o vipsSaveOptions) ([]byte, error) {
switch {
case o.Type == PNG:
err = C.vips_pngsave_custom(image, &ptr, &length, 1, C.int(o.Compression), C.int(o.Quality), 0)
err = C.vips_pngsave_bridge(image, &ptr, &length, 1, C.int(o.Compression), C.int(o.Quality), 0)
break
case o.Type == WEBP:
err = C.vips_webpsave_custom(image, &ptr, &length, 1, C.int(o.Quality), 0)
err = C.vips_webpsave_bridge(image, &ptr, &length, 1, C.int(o.Quality), 0)
break
default:
err = C.vips_jpegsave_custom(image, &ptr, &length, 1, C.int(o.Quality), 0)
err = C.vips_jpegsave_bridge(image, &ptr, &length, 1, C.int(o.Quality), 0)
break
}