363 lines
9.6 KiB
Go
363 lines
9.6 KiB
Go
package webpanimation
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/*
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#cgo CFLAGS: -Wno-pointer-sign -DHAVE_CONFIG_H
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#cgo !windows LDFLAGS: -lm
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#include "webp_encode.h"
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#include "webp_mux.h"
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*/
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import "C"
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import (
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"errors"
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"unsafe"
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)
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type WebPMuxError int
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const (
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WebpMuxAbiVersion = 0x0108
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WebpEncoderAbiVersion = 0x020f
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)
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const (
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WebpMuxOk = WebPMuxError(C.WEBP_MUX_OK)
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WebpMuxNotFound = WebPMuxError(C.WEBP_MUX_NOT_FOUND)
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WebpMuxInvalidArgument = WebPMuxError(C.WEBP_MUX_INVALID_ARGUMENT)
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WebpMuxBadData = WebPMuxError(C.WEBP_MUX_BAD_DATA)
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WebpMuxMemoryError = WebPMuxError(C.WEBP_MUX_MEMORY_ERROR)
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WebpMuxNotEnoughData = WebPMuxError(C.WEBP_MUX_NOT_ENOUGH_DATA)
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)
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type WebPPicture C.WebPPicture
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type WebPAnimEncoder C.WebPAnimEncoder
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type WebPAnimEncoderOptions C.WebPAnimEncoderOptions
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type WebPData C.WebPData
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type WebPMux C.WebPMux
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type WebPMuxAnimParams C.WebPMuxAnimParams
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type webPConfig struct {
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webpConfig *C.WebPConfig
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}
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type WebPConfig interface {
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getRawPointer() *C.WebPConfig
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SetLossless(v int)
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GetLossless() int
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SetMethod(v int)
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SetImageHint(v int)
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SetTargetSize(v int)
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SetTargetPSNR(v float32)
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SetSegments(v int)
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SetSnsStrength(v int)
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SetFilterStrength(v int)
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SetFilterSharpness(v int)
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SetAutofilter(v int)
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SetAlphaCompression(v int)
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SetAlphaFiltering(v int)
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SetPass(v int)
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SetShowCompressed(v int)
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SetPreprocessing(v int)
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SetPartitions(v int)
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SetPartitionLimit(v int)
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SetEmulateJpegSize(v int)
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SetThreadLevel(v int)
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SetLowMemory(v int)
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SetNearLossless(v int)
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SetExact(v int)
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SetUseDeltaPalette(v int)
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SetUseSharpYuv(v int)
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SetAlphaQuality(v int)
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SetFilterType(v int)
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SetQuality(v float32)
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}
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func WebPDataClear(webPData *WebPData) {
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C.WebPDataClear((*C.WebPData)(unsafe.Pointer(webPData)))
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}
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func WebPMuxDelete(webPMux *WebPMux) {
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C.WebPMuxDelete((*C.WebPMux)(unsafe.Pointer(webPMux)))
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}
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func WebPPictureFree(webPPicture *WebPPicture) {
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C.WebPPictureFree((*C.WebPPicture)(unsafe.Pointer(webPPicture)))
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}
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func WebPAnimEncoderDelete(webPAnimEncoder *WebPAnimEncoder) {
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C.WebPAnimEncoderDelete((*C.WebPAnimEncoder)(unsafe.Pointer(webPAnimEncoder)))
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}
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func (wmap *WebPMuxAnimParams) SetBgcolor(v uint32) {
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((*C.WebPMuxAnimParams)(wmap)).bgcolor = (C.uint32_t)(v)
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}
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func (wmap *WebPMuxAnimParams) SetLoopCount(v int) {
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(*C.WebPMuxAnimParams)(wmap).loop_count = (C.int)(v)
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}
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func WebPPictureInit(webPPicture *WebPPicture) int {
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return int(C.WebPPictureInit((*C.WebPPicture)(unsafe.Pointer(webPPicture))))
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}
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func (wpp *WebPPicture) SetWidth(v int) {
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((*C.WebPPicture)(wpp)).width = (C.int)(v)
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}
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func (wpp *WebPPicture) SetHeight(v int) {
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((*C.WebPPicture)(wpp)).height = (C.int)(v)
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}
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func (wpp WebPPicture) GetWidth() int {
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return int(((C.WebPPicture)(wpp)).width)
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}
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func (wpp WebPPicture) GetHeight() int {
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return int(((C.WebPPicture)(wpp)).height)
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}
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func (wpp *WebPPicture) SetUseArgb(v int) {
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((*C.WebPPicture)(wpp)).use_argb = (C.int)(v)
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}
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func (wpd WebPData) GetBytes() []byte {
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return C.GoBytes(unsafe.Pointer(((C.WebPData)(wpd)).bytes), (C.int)(((C.WebPData)(wpd)).size))
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}
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func WebPDataInit(webPData *WebPData) {
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C.WebPDataInit((*C.WebPData)(unsafe.Pointer(webPData)))
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}
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// NewWebpConfig create webpconfig instance
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func NewWebpConfig() WebPConfig {
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webpcfg := &webPConfig{}
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webpcfg.webpConfig = &C.WebPConfig{}
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WebPConfigInitInternal(webpcfg)
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return webpcfg
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}
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func WebPConfigInitInternal(config WebPConfig) int {
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return int(C.WebPConfigInitInternal(
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config.getRawPointer(),
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(C.WebPPreset)(0),
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(C.float)(75.0),
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(C.int)(WebpEncoderAbiVersion),
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))
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}
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func (webpCfg *webPConfig) getRawPointer() *C.WebPConfig {
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return webpCfg.webpConfig
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}
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func (webpCfg *webPConfig) SetLossless(v int) {
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webpCfg.webpConfig.lossless = (C.int)(v)
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}
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func (webpCfg *webPConfig) GetLossless() int {
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return int(webpCfg.webpConfig.lossless)
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}
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func (webpCfg *webPConfig) SetMethod(v int) {
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webpCfg.webpConfig.method = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetImageHint(v int) {
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webpCfg.webpConfig.image_hint = (C.WebPImageHint)(v)
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}
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func (webpCfg *webPConfig) SetTargetSize(v int) {
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webpCfg.webpConfig.target_size = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetTargetPSNR(v float32) {
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webpCfg.webpConfig.target_PSNR = (C.float)(v)
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}
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func (webpCfg *webPConfig) SetSegments(v int) {
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webpCfg.webpConfig.segments = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetSnsStrength(v int) {
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webpCfg.webpConfig.sns_strength = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetFilterStrength(v int) {
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webpCfg.webpConfig.filter_strength = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetFilterSharpness(v int) {
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webpCfg.webpConfig.filter_sharpness = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetAutofilter(v int) {
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webpCfg.webpConfig.autofilter = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetAlphaCompression(v int) {
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webpCfg.webpConfig.alpha_compression = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetAlphaFiltering(v int) {
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webpCfg.webpConfig.alpha_filtering = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetPass(v int) {
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webpCfg.webpConfig.pass = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetShowCompressed(v int) {
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webpCfg.webpConfig.show_compressed = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetPreprocessing(v int) {
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webpCfg.webpConfig.preprocessing = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetPartitions(v int) {
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webpCfg.webpConfig.partitions = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetPartitionLimit(v int) {
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webpCfg.webpConfig.partition_limit = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetEmulateJpegSize(v int) {
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webpCfg.webpConfig.emulate_jpeg_size = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetThreadLevel(v int) {
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webpCfg.webpConfig.thread_level = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetLowMemory(v int) {
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webpCfg.webpConfig.low_memory = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetNearLossless(v int) {
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webpCfg.webpConfig.near_lossless = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetExact(v int) {
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webpCfg.webpConfig.exact = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetUseDeltaPalette(v int) {
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webpCfg.webpConfig.use_delta_palette = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetUseSharpYuv(v int) {
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webpCfg.webpConfig.use_sharp_yuv = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetAlphaQuality(v int) {
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webpCfg.webpConfig.alpha_quality = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetFilterType(v int) {
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webpCfg.webpConfig.filter_type = (C.int)(v)
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}
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func (webpCfg *webPConfig) SetQuality(v float32) {
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webpCfg.webpConfig.quality = (C.float)(v)
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}
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func (encOptions *WebPAnimEncoderOptions) GetAnimParams() WebPMuxAnimParams {
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return WebPMuxAnimParams(((*C.WebPAnimEncoderOptions)(encOptions)).anim_params)
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}
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func (encOptions *WebPAnimEncoderOptions) SetAnimParams(v WebPMuxAnimParams) {
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((*C.WebPAnimEncoderOptions)(encOptions)).anim_params = (C.WebPMuxAnimParams)(v)
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}
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func (encOptions *WebPAnimEncoderOptions) SetMinimizeSize(v int) {
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((*C.WebPAnimEncoderOptions)(encOptions)).minimize_size = (C.int)(v)
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}
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func (encOptions *WebPAnimEncoderOptions) SetKmin(v int) {
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((*C.WebPAnimEncoderOptions)(encOptions)).kmin = (C.int)(v)
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}
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func (encOptions *WebPAnimEncoderOptions) SetKmax(v int) {
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((*C.WebPAnimEncoderOptions)(encOptions)).kmax = (C.int)(v)
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}
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func (encOptions *WebPAnimEncoderOptions) SetAllowMixed(v int) {
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((*C.WebPAnimEncoderOptions)(encOptions)).allow_mixed = (C.int)(v)
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}
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func (encOptions *WebPAnimEncoderOptions) SetVerbose(v int) {
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((*C.WebPAnimEncoderOptions)(encOptions)).verbose = (C.int)(v)
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}
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func WebPAnimEncoderOptionsInitInternal(webPAnimEncoderOptions *WebPAnimEncoderOptions) int {
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return int(C.WebPAnimEncoderOptionsInitInternal(
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(*C.WebPAnimEncoderOptions)(unsafe.Pointer(webPAnimEncoderOptions)),
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(C.int)(WebpMuxAbiVersion),
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))
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}
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func WebPPictureImportRGBA(data []byte, stride int, webPPicture *WebPPicture) error {
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res := int(C.WebPPictureImportRGBA(
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(*C.WebPPicture)(unsafe.Pointer(webPPicture)),
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(*C.uint8_t)(unsafe.Pointer(&data[0])),
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(C.int)(stride),
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))
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if res == 0 {
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return errors.New("error: WebPPictureImportBGRA")
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}
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return nil
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}
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func WebPAnimEncoderNewInternal(width, height int, webPAnimEncoderOptions *WebPAnimEncoderOptions) *WebPAnimEncoder {
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return (*WebPAnimEncoder)(C.WebPAnimEncoderNewInternal(
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(C.int)(width),
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(C.int)(height),
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(*C.WebPAnimEncoderOptions)(unsafe.Pointer(webPAnimEncoderOptions)),
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(C.int)(WebpMuxAbiVersion),
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))
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}
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func WebPAnimEncoderAdd(webPAnimEncoder *WebPAnimEncoder, webPPicture *WebPPicture, timestamp int, webpcfg WebPConfig) int {
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return int(C.WebPAnimEncoderAdd(
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(*C.WebPAnimEncoder)(unsafe.Pointer(webPAnimEncoder)),
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(*C.WebPPicture)(unsafe.Pointer(webPPicture)),
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(C.int)(timestamp),
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webpcfg.getRawPointer(),
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))
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}
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func WebPAnimEncoderAssemble(webPAnimEncoder *WebPAnimEncoder, webPData *WebPData) int {
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return int(C.WebPAnimEncoderAssemble(
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(*C.WebPAnimEncoder)(unsafe.Pointer(webPAnimEncoder)),
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(*C.WebPData)(unsafe.Pointer(webPData)),
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))
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}
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func WebPMuxCreateInternal(webPData *WebPData, copyData int) *WebPMux {
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return (*WebPMux)(C.WebPMuxCreateInternal(
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(*C.WebPData)(unsafe.Pointer(webPData)),
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(C.int)(copyData),
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(C.int)(WebpMuxAbiVersion),
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))
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}
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func WebPMuxSetAnimationParams(webPMux *WebPMux, webPMuxAnimParams *WebPMuxAnimParams) WebPMuxError {
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return (WebPMuxError)(C.WebPMuxSetAnimationParams(
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(*C.WebPMux)(unsafe.Pointer(webPMux)),
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(*C.WebPMuxAnimParams)(unsafe.Pointer(webPMuxAnimParams)),
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))
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}
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func WebPMuxGetAnimationParams(webPMux *WebPMux, webPMuxAnimParams *WebPMuxAnimParams) WebPMuxError {
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return (WebPMuxError)(C.WebPMuxGetAnimationParams(
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(*C.WebPMux)(unsafe.Pointer(webPMux)),
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(*C.WebPMuxAnimParams)(unsafe.Pointer(webPMuxAnimParams)),
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))
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}
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func WebPMuxAssemble(webPMux *WebPMux, webPData *WebPData) WebPMuxError {
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return (WebPMuxError)(C.WebPMuxAssemble(
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(*C.WebPMux)(unsafe.Pointer(webPMux)),
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(*C.WebPData)(unsafe.Pointer(webPData)),
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))
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}
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