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refactor(vips): use shortcut to VipsImage C type

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This commit is contained in:
Tomas Aparicio 2015-09-07 20:33:21 +02:00
parent b78fe09f17
commit 1c2f37648c
2 changed files with 38 additions and 38 deletions
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18
resize.go
View file

@ -138,7 +138,7 @@ func shouldTransformImage(o Options, inWidth, inHeight int) bool {
(o.Height > 0 && o.Height != inHeight) || o.AreaWidth > 0 || o.AreaHeight > 0 (o.Height > 0 && o.Height != inHeight) || o.AreaWidth > 0 || o.AreaHeight > 0
} }
func transformImage(image *C.struct__VipsImage, o Options, shrink int, residual float64) (*C.struct__VipsImage, error) { func transformImage(image *C.VipsImage, o Options, shrink int, residual float64) (*C.VipsImage, error) {
var err error var err error
// Use vips_shrink with the integral reduction // Use vips_shrink with the integral reduction
@ -178,7 +178,7 @@ func transformImage(image *C.struct__VipsImage, o Options, shrink int, residual
return image, nil return image, nil
} }
func extractOrEmbedImage(image *C.struct__VipsImage, o Options) (*C.struct__VipsImage, error) { func extractOrEmbedImage(image *C.VipsImage, o Options) (*C.VipsImage, error) {
var err error = nil var err error = nil
inWidth := int(image.Xsize) inWidth := int(image.Xsize)
inHeight := int(image.Ysize) inHeight := int(image.Ysize)
@ -212,7 +212,7 @@ func extractOrEmbedImage(image *C.struct__VipsImage, o Options) (*C.struct__Vips
return image, err return image, err
} }
func rotateAndFlipImage(image *C.struct__VipsImage, o Options) (*C.struct__VipsImage, error) { func rotateAndFlipImage(image *C.VipsImage, o Options) (*C.VipsImage, error) {
var err error var err error
var direction Direction = -1 var direction Direction = -1
@ -243,7 +243,7 @@ func rotateAndFlipImage(image *C.struct__VipsImage, o Options) (*C.struct__VipsI
return image, err return image, err
} }
func watermakImage(image *C.struct__VipsImage, w Watermark) (*C.struct__VipsImage, error) { func watermakImage(image *C.VipsImage, w Watermark) (*C.VipsImage, error) {
if w.Text == "" { if w.Text == "" {
return image, nil return image, nil
} }
@ -275,14 +275,14 @@ func watermakImage(image *C.struct__VipsImage, w Watermark) (*C.struct__VipsImag
return image, nil return image, nil
} }
func zoomImage(image *C.struct__VipsImage, zoom int) (*C.struct__VipsImage, error) { func zoomImage(image *C.VipsImage, zoom int) (*C.VipsImage, error) {
if zoom == 0 { if zoom == 0 {
return image, nil return image, nil
} }
return vipsZoom(image, zoom+1) return vipsZoom(image, zoom+1)
} }
func shrinkImage(image *C.struct__VipsImage, o Options, residual float64, shrink int) (*C.struct__VipsImage, float64, error) { func shrinkImage(image *C.VipsImage, o Options, residual float64, shrink int) (*C.VipsImage, float64, error) {
// Use vips_shrink with the integral reduction // Use vips_shrink with the integral reduction
image, err := vipsShrink(image, shrink) image, err := vipsShrink(image, shrink)
if err != nil { if err != nil {
@ -302,8 +302,8 @@ func shrinkImage(image *C.struct__VipsImage, o Options, residual float64, shrink
return image, residual, nil return image, residual, nil
} }
func shrinkJpegImage(buf []byte, input *C.struct__VipsImage, factor float64, shrink int) (*C.struct__VipsImage, float64, error) { func shrinkJpegImage(buf []byte, input *C.VipsImage, factor float64, shrink int) (*C.VipsImage, float64, error) {
var image *C.struct__VipsImage var image *C.VipsImage
var err error var err error
shrinkOnLoad := 1 shrinkOnLoad := 1
@ -381,7 +381,7 @@ func calculateCrop(inWidth, inHeight, outWidth, outHeight int, gravity Gravity)
return left, top return left, top
} }
func calculateRotationAndFlip(image *C.struct__VipsImage, angle Angle) (Angle, bool) { func calculateRotationAndFlip(image *C.VipsImage, angle Angle) (Angle, bool) {
rotate := D0 rotate := D0
flip := false flip := false

58
vips.go
View file

@ -122,15 +122,15 @@ func VipsMemory() VipsMemoryInfo {
} }
} }
func vipsExifOrientation(image *C.struct__VipsImage) int { func vipsExifOrientation(image *C.VipsImage) int {
return int(C.vips_exif_orientation(image)) return int(C.vips_exif_orientation(image))
} }
func vipsHasAlpha(image *C.struct__VipsImage) bool { func vipsHasAlpha(image *C.VipsImage) bool {
return int(C.has_alpha_channel(image)) > 0 return int(C.has_alpha_channel(image)) > 0
} }
func vipsHasProfile(image *C.struct__VipsImage) bool { func vipsHasProfile(image *C.VipsImage) bool {
return int(C.has_profile_embed(image)) > 0 return int(C.has_profile_embed(image)) > 0
} }
@ -140,12 +140,12 @@ func vipsWindowSize(name string) float64 {
return float64(C.interpolator_window_size(cname)) return float64(C.interpolator_window_size(cname))
} }
func vipsSpace(image *C.struct__VipsImage) string { func vipsSpace(image *C.VipsImage) string {
return C.GoString(C.vips_enum_nick_bridge(image)) return C.GoString(C.vips_enum_nick_bridge(image))
} }
func vipsRotate(image *C.struct__VipsImage, angle Angle) (*C.struct__VipsImage, error) { func vipsRotate(image *C.VipsImage, angle Angle) (*C.VipsImage, error) {
var out *C.struct__VipsImage var out *C.VipsImage
defer C.g_object_unref(C.gpointer(image)) defer C.g_object_unref(C.gpointer(image))
err := C.vips_rotate(image, &out, C.int(angle)) err := C.vips_rotate(image, &out, C.int(angle))
@ -156,8 +156,8 @@ func vipsRotate(image *C.struct__VipsImage, angle Angle) (*C.struct__VipsImage,
return out, nil return out, nil
} }
func vipsFlip(image *C.struct__VipsImage, direction Direction) (*C.struct__VipsImage, error) { func vipsFlip(image *C.VipsImage, direction Direction) (*C.VipsImage, error) {
var out *C.struct__VipsImage var out *C.VipsImage
defer C.g_object_unref(C.gpointer(image)) defer C.g_object_unref(C.gpointer(image))
err := C.vips_flip_bridge(image, &out, C.int(direction)) err := C.vips_flip_bridge(image, &out, C.int(direction))
@ -168,8 +168,8 @@ func vipsFlip(image *C.struct__VipsImage, direction Direction) (*C.struct__VipsI
return out, nil return out, nil
} }
func vipsZoom(image *C.struct__VipsImage, zoom int) (*C.struct__VipsImage, error) { func vipsZoom(image *C.VipsImage, zoom int) (*C.VipsImage, error) {
var out *C.struct__VipsImage var out *C.VipsImage
defer C.g_object_unref(C.gpointer(image)) defer C.g_object_unref(C.gpointer(image))
err := C.vips_zoom_bridge(image, &out, C.int(zoom), C.int(zoom)) err := C.vips_zoom_bridge(image, &out, C.int(zoom), C.int(zoom))
@ -180,8 +180,8 @@ func vipsZoom(image *C.struct__VipsImage, zoom int) (*C.struct__VipsImage, error
return out, nil return out, nil
} }
func vipsWatermark(image *C.struct__VipsImage, w Watermark) (*C.struct__VipsImage, error) { func vipsWatermark(image *C.VipsImage, w Watermark) (*C.VipsImage, error) {
var out *C.struct__VipsImage var out *C.VipsImage
// Defaults // Defaults
noReplicate := 0 noReplicate := 0
@ -207,8 +207,8 @@ func vipsWatermark(image *C.struct__VipsImage, w Watermark) (*C.struct__VipsImag
return out, nil return out, nil
} }
func vipsRead(buf []byte) (*C.struct__VipsImage, ImageType, error) { func vipsRead(buf []byte) (*C.VipsImage, ImageType, error) {
var image *C.struct__VipsImage var image *C.VipsImage
imageType := vipsImageType(buf) imageType := vipsImageType(buf)
if imageType == UNKNOWN { if imageType == UNKNOWN {
@ -235,7 +235,7 @@ func vipsColourspaceIsSupportedBuffer(buf []byte) (bool, error) {
return vipsColourspaceIsSupported(image), nil return vipsColourspaceIsSupported(image), nil
} }
func vipsColourspaceIsSupported(image *C.struct__VipsImage) bool { func vipsColourspaceIsSupported(image *C.VipsImage) bool {
return int(C.vips_colourspace_issupported_bridge(image)) == 1 return int(C.vips_colourspace_issupported_bridge(image)) == 1
} }
@ -248,11 +248,11 @@ func vipsInterpretationBuffer(buf []byte) (Interpretation, error) {
return vipsInterpretation(image), nil return vipsInterpretation(image), nil
} }
func vipsInterpretation(image *C.struct__VipsImage) Interpretation { func vipsInterpretation(image *C.VipsImage) Interpretation {
return Interpretation(C.vips_image_guess_interpretation_bridge(image)) return Interpretation(C.vips_image_guess_interpretation_bridge(image))
} }
func vipsPreSave(image *C.struct__VipsImage, o *vipsSaveOptions) (*C.struct__VipsImage, error) { func vipsPreSave(image *C.VipsImage, o *vipsSaveOptions) (*C.VipsImage, error) {
// Remove ICC profile metadata // Remove ICC profile metadata
if o.NoProfile { if o.NoProfile {
C.remove_profile(image) C.remove_profile(image)
@ -265,7 +265,7 @@ func vipsPreSave(image *C.struct__VipsImage, o *vipsSaveOptions) (*C.struct__Vip
interpretation := C.VipsInterpretation(o.Interpretation) interpretation := C.VipsInterpretation(o.Interpretation)
// Apply the proper colour space // Apply the proper colour space
var outImage *C.struct__VipsImage var outImage *C.VipsImage
if vipsColourspaceIsSupported(image) { if vipsColourspaceIsSupported(image) {
err := int(C.vips_colourspace_bridge(image, &outImage, interpretation)) err := int(C.vips_colourspace_bridge(image, &outImage, interpretation))
if err != 0 { if err != 0 {
@ -278,7 +278,7 @@ func vipsPreSave(image *C.struct__VipsImage, o *vipsSaveOptions) (*C.struct__Vip
return image, nil return image, nil
} }
func vipsSave(image *C.struct__VipsImage, o vipsSaveOptions) ([]byte, error) { func vipsSave(image *C.VipsImage, o vipsSaveOptions) ([]byte, error) {
defer C.g_object_unref(C.gpointer(image)) defer C.g_object_unref(C.gpointer(image))
image, err := vipsPreSave(image, &o) image, err := vipsPreSave(image, &o)
@ -317,8 +317,8 @@ func vipsSave(image *C.struct__VipsImage, o vipsSaveOptions) ([]byte, error) {
return buf, nil return buf, nil
} }
func vipsExtract(image *C.struct__VipsImage, left, top, width, height int) (*C.struct__VipsImage, error) { func vipsExtract(image *C.VipsImage, left, top, width, height int) (*C.VipsImage, error) {
var buf *C.struct__VipsImage var buf *C.VipsImage
defer C.g_object_unref(C.gpointer(image)) defer C.g_object_unref(C.gpointer(image))
if width > MAX_SIZE || height > MAX_SIZE { if width > MAX_SIZE || height > MAX_SIZE {
@ -333,8 +333,8 @@ func vipsExtract(image *C.struct__VipsImage, left, top, width, height int) (*C.s
return buf, nil return buf, nil
} }
func vipsShrinkJpeg(buf []byte, input *C.struct__VipsImage, shrink int) (*C.struct__VipsImage, error) { func vipsShrinkJpeg(buf []byte, input *C.VipsImage, shrink int) (*C.VipsImage, error) {
var image *C.struct__VipsImage var image *C.VipsImage
defer C.g_object_unref(C.gpointer(input)) defer C.g_object_unref(C.gpointer(input))
err := C.vips_jpegload_buffer_shrink(unsafe.Pointer(&buf[0]), C.size_t(len(buf)), &image, C.int(shrink)) err := C.vips_jpegload_buffer_shrink(unsafe.Pointer(&buf[0]), C.size_t(len(buf)), &image, C.int(shrink))
@ -345,8 +345,8 @@ func vipsShrinkJpeg(buf []byte, input *C.struct__VipsImage, shrink int) (*C.stru
return image, nil return image, nil
} }
func vipsShrink(input *C.struct__VipsImage, shrink int) (*C.struct__VipsImage, error) { func vipsShrink(input *C.VipsImage, shrink int) (*C.VipsImage, error) {
var image *C.struct__VipsImage var image *C.VipsImage
defer C.g_object_unref(C.gpointer(input)) defer C.g_object_unref(C.gpointer(input))
err := C.vips_shrink_bridge(input, &image, C.double(float64(shrink)), C.double(float64(shrink))) err := C.vips_shrink_bridge(input, &image, C.double(float64(shrink)), C.double(float64(shrink)))
@ -357,8 +357,8 @@ func vipsShrink(input *C.struct__VipsImage, shrink int) (*C.struct__VipsImage, e
return image, nil return image, nil
} }
func vipsEmbed(input *C.struct__VipsImage, left, top, width, height, extend int) (*C.struct__VipsImage, error) { func vipsEmbed(input *C.VipsImage, left, top, width, height, extend int) (*C.VipsImage, error) {
var image *C.struct__VipsImage var image *C.VipsImage
defer C.g_object_unref(C.gpointer(input)) defer C.g_object_unref(C.gpointer(input))
err := C.vips_embed_bridge(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))
@ -369,8 +369,8 @@ func vipsEmbed(input *C.struct__VipsImage, left, top, width, height, extend int)
return image, nil return image, nil
} }
func vipsAffine(input *C.struct__VipsImage, residualx, residualy float64, i Interpolator) (*C.struct__VipsImage, error) { func vipsAffine(input *C.VipsImage, residualx, residualy float64, i Interpolator) (*C.VipsImage, error) {
var image *C.struct__VipsImage var image *C.VipsImage
cstring := C.CString(i.String()) cstring := C.CString(i.String())
interpolator := C.vips_interpolate_new(cstring) interpolator := C.vips_interpolate_new(cstring)