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fix(#42): change interlace type. fix C bindings

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This commit is contained in:
Tomas Aparicio 2015-06-12 10:28:37 +01:00
commit 7be9d7bad5
7 changed files with 55 additions and 15 deletions
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17
vips.go
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@ -35,6 +35,7 @@ type vipsSaveOptions struct {
Quality int
Compression int
Type ImageType
Interlace bool
}
type vipsWatermarkOptions struct {
@ -81,7 +82,7 @@ func Initialize() {
if os.Getenv("VIPS_CONCURRENCY") == "" {
C.vips_concurrency_set(1)
}
// Enable libvips cache tracing
// Enable libvips cache tracing
if os.Getenv("VIPS_TRACE") != "" {
C.vips_enable_cache_set_trace()
}
@ -223,18 +224,19 @@ func vipsSave(image *C.struct__VipsImage, o vipsSaveOptions) ([]byte, error) {
var ptr unsafe.Pointer
length := C.size_t(0)
err := C.int(0)
interlace := C.int(boolToInt(o.Interlace))
defer C.g_object_unref(C.gpointer(image))
switch o.Type {
case PNG:
err = C.vips_pngsave_bridge(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), interlace)
break
case WEBP:
err = C.vips_webpsave_bridge(image, &ptr, &length, 1, C.int(o.Quality), 0)
err = C.vips_webpsave_bridge(image, &ptr, &length, 1, C.int(o.Quality))
break
default:
err = C.vips_jpegsave_bridge(image, &ptr, &length, 1, C.int(o.Quality), 0)
err = C.vips_jpegsave_bridge(image, &ptr, &length, 1, C.int(o.Quality), interlace)
break
}
@ -358,3 +360,10 @@ func catchVipsError() error {
C.vips_thread_shutdown()
return errors.New(s)
}
func boolToInt(b bool) int {
if b {
return 1
}
return 0
}