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Precheck vips image types support

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This commit is contained in:
DarthSim
2017-10-07 02:54:24 +06:00
parent c4d1f4b54f
commit c72c86a921
3 changed files with 27 additions and 28 deletions
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51
process.go
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@@ -78,6 +78,8 @@ type processingOptions struct {
}
var vipsSupportSmartcrop bool
var vipsTypeSupportLoad = make(map[imageType]bool)
var vipsTypeSupportSave = make(map[imageType]bool)
func initVips() {
runtime.LockOSThread()
@@ -97,6 +99,29 @@ func initVips() {
}
vipsSupportSmartcrop = C.vips_support_smartcrop() == 1
if int(C.vips_type_find_load_go(C.JPEG)) != 0 {
vipsTypeSupportLoad[JPEG] = true
}
if int(C.vips_type_find_load_go(C.PNG)) != 0 {
vipsTypeSupportLoad[PNG] = true
}
if int(C.vips_type_find_load_go(C.WEBP)) != 0 {
vipsTypeSupportLoad[WEBP] = true
}
if int(C.vips_type_find_load_go(C.GIF)) != 0 {
vipsTypeSupportLoad[GIF] = true
}
if int(C.vips_type_find_save_go(C.JPEG)) != 0 {
vipsTypeSupportSave[JPEG] = true
}
if int(C.vips_type_find_save_go(C.PNG)) != 0 {
vipsTypeSupportSave[PNG] = true
}
if int(C.vips_type_find_save_go(C.WEBP)) != 0 {
vipsTypeSupportSave[WEBP] = true
}
}
func randomAccessRequired(po processingOptions) int {
@@ -106,32 +131,6 @@ func randomAccessRequired(po processingOptions) int {
return 0
}
func vipsTypeSupportedLoad(imgtype imageType) bool {
switch imgtype {
case JPEG:
return int(C.vips_type_find_load_go(C.JPEG)) != 0
case PNG:
return int(C.vips_type_find_load_go(C.PNG)) != 0
case WEBP:
return int(C.vips_type_find_load_go(C.WEBP)) != 0
case GIF:
return int(C.vips_type_find_load_go(C.GIF)) != 0
}
return false
}
func vipsTypeSupportedSave(imgtype imageType) bool {
switch imgtype {
case JPEG:
return int(C.vips_type_find_save_go(C.JPEG)) != 0
case PNG:
return int(C.vips_type_find_save_go(C.PNG)) != 0
case WEBP:
return int(C.vips_type_find_save_go(C.WEBP)) != 0
}
return false
}
func round(f float64) int {
return int(f + .5)
}