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feat(#26): support zoom. several refactors and fixes

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This commit is contained in:
Tomas Aparicio 2015-04-09 02:08:07 +02:00
parent e603ddd10a
commit 58b2be80a5
7 changed files with 62 additions and 16 deletions
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17
vips.go
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@ -76,7 +76,7 @@ func VipsDebug() {
C.im__print_all()
}
// Get the allocated memory by vips in bytes
// Get memory info stats from vips
func VipsMemory() VipsMemoryInfo {
return VipsMemoryInfo{
Memory: int64(C.vips_tracked_get_mem()),
@ -109,14 +109,25 @@ func vipsFlip(image *C.struct__VipsImage, direction Direction) (*C.struct__VipsI
return out, nil
}
func vipsZoom(image *C.struct__VipsImage, zoom int) (*C.struct__VipsImage, error) {
var out *C.struct__VipsImage
defer C.g_object_unref(C.gpointer(image))
err := C.vips_zoom_bridge(image, &out, C.int(zoom), C.int(zoom))
if err != 0 {
return nil, catchVipsError()
}
return out, nil
}
func vipsInsert(image *C.struct__VipsImage, sub *C.struct__VipsImage, left, top int) (*C.struct__VipsImage, error) {
var out *C.struct__VipsImage
var cache *C.struct__VipsImage
defer C.g_object_unref(C.gpointer(image))
defer C.g_object_unref(C.gpointer(sub))
err = C.vips_insert_bridge(image, sub, &out, C.int(left), C.int(top))
err := C.vips_insert_bridge(image, sub, &out, C.int(left), C.int(top))
if err != 0 {
return nil, catchVipsError()
}