121 lines
3.2 KiB
Plaintext
121 lines
3.2 KiB
Plaintext
/*
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文件名:CanvasObject.nut
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路径:Core/BaseClass/CanvasObject.nut
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创建日期:2025-01-05 21:43
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文件用途:画布类
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*/
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class CL_CanvasObject extends CL_BaseObject {
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//宽
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CanvasWidth = 0;
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//高
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CanvasHeight = 0;
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//上下文
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Context = null;
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function _typeof() {
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return "canvas";
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}
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constructor(...) {
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local C_Object;
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//创建空精灵
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if (vargv.len() == 0) {
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C_Object = Canvas_Create();
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base.constructor(C_Object);
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}
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//通过精灵指针创建
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else if (vargv.len() == 1) {
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C_Object = vargv[0];
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base.constructor(C_Object, true);
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}
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}
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//重设大小并清空
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function ResizeAndClear(W, H) {
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CanvasWidth = W;
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CanvasHeight = H;
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Canvas_ResizeAndClear(this.C_Object, W, H);
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RefreshContext();
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}
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//清空画布
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function Clear() {
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Canvas_ResizeAndClear(this.C_Object, CanvasWidth, CanvasHeight);
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RefreshContext();
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}
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//刷新上下文
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function RefreshContext() {
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Context = Canvas_GetContext2D(this.C_Object);
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}
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//开始绘制
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function BeginDraw() {
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if (!Context) error("请先刷新上下文");
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Canvas_BeginDraw(Context);
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}
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//结束绘制
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function EndDraw() {
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if (!Context) error("请先刷新上下文");
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Canvas_EndDraw(Context);
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}
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//绘制演员
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function DrawActor(Actor, XPos = 0, YPos = 0) {
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if (!Context) error("请先刷新上下文");
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Canvas_DrawActor(this.C_Object, Context, Actor.C_Object, XPos, YPos);
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}
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//绘制精灵
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function DrawSprite(Actor, XPos = 0, YPos = 0) {
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if (!Context) error("请先刷新上下文");
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Canvas_DrawSprite(this.C_Object, Context, Actor.C_Object, XPos, YPos);
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}
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//绘制精灵帧
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function DrawSpriteFrame(SpriteFrame, XPos, YPos, Width = null, Height = null) {
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if (!Context) error("请先刷新上下文");
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local Size = SpriteFrame.GetSize();
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if (Width == null) Width = Size.w;
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if (Height == null) Height = Size.h;
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Canvas_DrawSpriteFrame(Context, SpriteFrame.C_Object, XPos, YPos, Width, Height);
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}
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//设置填充画刷
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function SetFillBrush(Color) {
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if (!Context) error("请先刷新上下文");
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Canvas_SetFillBrush(Context, Color);
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}
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//设置轮廓画刷
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function SetStrokeBrush(Color) {
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if (!Context) error("请先刷新上下文");
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Canvas_SetStrokeBrush(Context, Color);
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}
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//画线段
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function DrawLine(X1, Y1, X2, Y2) {
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if (!Context) error("请先刷新上下文");
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Canvas_DrawLine(Context, X1, Y1, X2, Y2);
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}
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//画圆
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function DrawCircle(X, Y, R) {
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if (!Context) error("请先刷新上下文");
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Canvas_DrawCircle(Context, X, Y, R);
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}
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//画矩形
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function DrawRect(X, Y, W, H) {
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if (!Context) error("请先刷新上下文");
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Canvas_DrawRect(Context, X, Y, W, H);
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}
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//导出精灵帧
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function ExportSpriteFrame() {
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local SpriteFrame = CL_SpriteFrameObject(Canvas_ExportSpriteFrame(this.C_Object));
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return SpriteFrame;
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}
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} |