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A: GIFPlay component
This commit is contained in:
杨红岩
parent
4134985a55
commit
e5b8e53c41
270
cef/gifplay.go
270
cef/gifplay.go
@ -11,155 +11,193 @@
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package cef
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import (
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"bytes"
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"github.com/energye/golcl/energy/emfs"
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"github.com/energye/energy/v2/cef/internal/def"
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"github.com/energye/energy/v2/common/imports"
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"github.com/energye/golcl/lcl"
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"image/gif"
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"os"
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"github.com/energye/golcl/lcl/api"
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"github.com/energye/golcl/lcl/types"
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"unsafe"
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)
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// TGIFPlay GIF 图片播放组件
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type TGIFPlay struct {
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*lcl.TImage // 展示每帧图像
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cache [][]byte // gif缓存
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cacheCount int //
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autoPlay bool // 自动默认，默认 true
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currentFrame int // 当前帧
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playTask *lcl.TTimer // 播放任务
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instance unsafe.Pointer
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}
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// NewGIFPlay 创建一个GIFPlay
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// NewGIFPlay
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//
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// 创建一个新的对象。
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func NewGIFPlay(owner lcl.IComponent) *TGIFPlay {
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m := &TGIFPlay{
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playTask: lcl.NewTimer(owner),
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}
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m.TImage = lcl.NewImage(owner)
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m.playTask.SetInterval(66)
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m.playTask.SetEnabled(false)
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m.play()
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m := new(TGIFPlay)
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r1, _, _ := imports.Proc(def.GIFPlay_Create).Call(owner.Instance())
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m.instance = unsafe.Pointer(r1)
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return m
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}
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// IsValid 返回GIFPlay是否有效
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func (m *TGIFPlay) IsValid() bool {
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return m.playTask != nil && m.TImage.IsValid()
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// SetParent
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//
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// 设置控件父容器。
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func (m *TGIFPlay) SetParent(value lcl.IWinControl) {
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imports.Proc(def.GIFPlay_SetParent).Call(m.Instance(), value.Instance())
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}
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func (m *TGIFPlay) play() {
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m.playTask.SetOnTimer(func(sender lcl.IObject) {
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if m.cacheCount == 0 || m.cache == nil {
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return
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}
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if m.currentFrame >= m.cacheCount {
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m.currentFrame = 0
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}
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m.Picture().LoadFromBytes(m.cache[m.currentFrame])
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m.currentFrame++
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})
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}
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// Free 停止播放并释放掉这个GIFPlay, 释放后将不可用
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// Free
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//
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// 释放对象。
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func (m *TGIFPlay) Free() {
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m.Stop()
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m.playTask = nil
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m.TImage.Free()
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m.cache = nil
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}
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// Stop 在当前帧停止播放
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func (m *TGIFPlay) Stop() {
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if m.playTask != nil {
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m.playTask.SetEnabled(false)
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if m.instance != nil {
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imports.Proc(def.GIFPlay_Free).Call(m.Instance())
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m.instance = nil
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}
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}
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// Start 在当前帧开始播放
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func (m *TGIFPlay) Start() {
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if m.playTask != nil {
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m.playTask.SetEnabled(true)
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}
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func (m *TGIFPlay) SetColor(value types.TColor) {
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imports.Proc(def.GIFPlay_SetColor).Call(m.Instance(), uintptr(value))
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}
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// PlaybackSpeed 设置播放速度，毫秒 默认 66
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func (m *TGIFPlay) PlaybackSpeed(playbackSpeed uint32) {
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if m.playTask != nil {
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m.playTask.SetInterval(playbackSpeed)
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}
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func (m *TGIFPlay) Dragging() bool {
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r1, _, _ := imports.Proc(def.GIFPlay_Dragging).Call(m.Instance())
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return api.GoBool(r1)
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}
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// LoadFile 在本地加载GIF
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func (m *TGIFPlay) LoadFile(filePath string) {
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if m.playTask == nil {
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return
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}
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file, err := os.Open(filePath)
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if err != nil {
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panic(err.Error())
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}
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defer file.Close()
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frames, err := gif.DecodeAll(file)
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if err != nil {
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panic(err)
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}
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m.cacheGIFFrames(frames)
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func (m *TGIFPlay) Animate(value bool) {
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imports.Proc(def.GIFPlay_Animate).Call(m.Instance(), api.PascalBool(value))
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}
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// LoadFSFile 在内置FS中加载GIF
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func (m *TGIFPlay) LoadFSFile(filePath string) {
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if m.playTask == nil {
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return
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}
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data, err := emfs.GetResources(filePath)
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if err != nil {
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panic(err.Error())
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}
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m.LoadBytes(data)
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func (m *TGIFPlay) NextFrame() {
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imports.Proc(def.GIFPlay_NextFrame).Call(m.Instance())
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}
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// LoadBytes 在图片字节里加载GIF
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func (m *TGIFPlay) LoadBytes(data []byte) {
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if m.playTask == nil {
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return
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}
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var buf bytes.Buffer
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buf.Write(data)
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frames, err := gif.DecodeAll(&buf)
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if err != nil {
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panic(err)
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}
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defer buf.Reset()
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m.cacheGIFFrames(frames)
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func (m *TGIFPlay) PriorFrame() {
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imports.Proc(def.GIFPlay_PriorFrame).Call(m.Instance())
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}
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// CacheFrames 返回所有帧
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func (m *TGIFPlay) CacheFrames() [][]byte {
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return m.cache
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func (m *TGIFPlay) Empty() {
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imports.Proc(def.GIFPlay_Empty).Call(m.Instance())
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}
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func (m *TGIFPlay) AppendFrame(data []byte) {
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func (m *TGIFPlay) CurrentImageIndex() int32 {
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r1, _, _ := imports.Proc(def.GIFPlay_CurrentImageIndex).Call(m.Instance())
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return int32(r1)
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}
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func (m *TGIFPlay) RemoveFrame(index int) {
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func (m *TGIFPlay) LoadFromFile(filePath string) {
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imports.Proc(def.GIFPlay_LoadFromFile).Call(m.Instance(), api.PascalStr(filePath))
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}
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func (m *TGIFPlay) InsertFrame(index int, data []byte) {
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func (m *TGIFPlay) LoadFromStream(stream lcl.IStream) {
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imports.Proc(def.GIFPlay_LoadFromStream).Call(m.Instance(), stream.Instance())
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}
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func (m *TGIFPlay) cacheGIFFrames(frames *gif.GIF) {
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if m.playTask == nil {
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return
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}
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m.cacheCount = len(frames.Image)
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m.cache = make([][]byte, m.cacheCount)
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for i, img := range frames.Image {
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var buf bytes.Buffer
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err := gif.Encode(&buf, img, nil)
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if err != nil {
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panic(err.Error())
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}
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m.cache[i] = buf.Bytes()
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}
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func (m *TGIFPlay) Left() int32 {
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r1, _, _ := imports.Proc(def.GIFPlay_GetLeft).Call(m.Instance())
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return int32(r1)
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}
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func (m *TGIFPlay) SetLeft(value int32) {
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imports.Proc(def.GIFPlay_SetLeft).Call(m.Instance(), uintptr(value))
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}
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func (m *TGIFPlay) Top() int32 {
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r1, _, _ := imports.Proc(def.GIFPlay_GetTop).Call(m.Instance())
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return int32(r1)
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}
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func (m *TGIFPlay) SetTop(value int32) {
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imports.Proc(def.GIFPlay_SetTop).Call(m.Instance(), uintptr(value))
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}
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func (m *TGIFPlay) Width() int32 {
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r1, _, _ := imports.Proc(def.GIFPlay_GetWidth).Call(m.Instance())
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return int32(r1)
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}
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func (m *TGIFPlay) SetWidth(value int32) {
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imports.Proc(def.GIFPlay_SetWidth).Call(m.Instance(), uintptr(value))
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}
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func (m *TGIFPlay) Height() int32 {
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r1, _, _ := imports.Proc(def.GIFPlay_GetHeight).Call(m.Instance())
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return int32(r1)
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}
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func (m *TGIFPlay) SetHeight(value int32) {
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imports.Proc(def.GIFPlay_SetHeight).Call(m.Instance(), uintptr(value))
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}
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func (m *TGIFPlay) SetBounds(ALeft int32, ATop int32, AWidth int32, AHeight int32) {
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imports.Proc(def.GIFPlay_SetBounds).Call(m.Instance(), uintptr(ALeft), uintptr(ATop), uintptr(AWidth), uintptr(AHeight))
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}
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func (m *TGIFPlay) Update() {
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imports.Proc(def.GIFPlay_Update).Call(m.Instance())
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}
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func (m *TGIFPlay) SetAlign(value types.TAlign) {
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imports.Proc(def.GIFPlay_SetAlign).Call(m.Instance(), uintptr(value))
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}
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func (m *TGIFPlay) SetAnchors(value types.TAnchors) {
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imports.Proc(def.GIFPlay_SetAnchors).Call(m.Instance(), uintptr(value))
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}
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func (m *TGIFPlay) SetAutoSize(value bool) {
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imports.Proc(def.GIFPlay_SetAutoSize).Call(m.Instance(), api.PascalBool(value))
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}
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func (m *TGIFPlay) SetVisible(value bool) {
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imports.Proc(def.GIFPlay_SetVisible).Call(m.Instance(), api.PascalBool(value))
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}
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func (m *TGIFPlay) SetOnClick(fn TNotifyEvent) {
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imports.Proc(def.GIFPlay_SetOnClick).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *TGIFPlay) SetOnFrameChanged(fn TNotifyEvent) {
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imports.Proc(def.GIFPlay_SetOnFrameChanged).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *TGIFPlay) SetOnDblClick(fn TNotifyEvent) {
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imports.Proc(def.GIFPlay_SetOnDblClick).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *TGIFPlay) SetOnMouseDown(fn TNotifyEvent) {
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imports.Proc(def.GIFPlay_SetOnMouseDown).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *TGIFPlay) SetOnMouseEnter(fn TNotifyEvent) {
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imports.Proc(def.GIFPlay_SetOnMouseEnter).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *TGIFPlay) SetOnMouseLeave(fn TNotifyEvent) {
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imports.Proc(def.GIFPlay_SetOnMouseLeave).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *TGIFPlay) SetOnMouseMove(fn lcl.TMouseMoveEvent) {
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imports.Proc(def.GIFPlay_SetOnMouseMove).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *TGIFPlay) SetOnMouseUp(fn TMouseEvent) {
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imports.Proc(def.GIFPlay_SetOnMouseUp).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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// Instance
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//
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// 返回对象实例指针。
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func (m *TGIFPlay) Instance() uintptr {
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return uintptr(m.instance)
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}
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// UnsafeAddr
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//
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// 获取一个不安全的地址。
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func (m *TGIFPlay) UnsafeAddr() unsafe.Pointer {
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return m.instance
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}
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// IsValid
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//
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// 检测地址是否为空。
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func (m *TGIFPlay) IsValid() bool {
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return m.instance != nil
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}
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