TypeScript Context2d.rotate方法代碼示例

本文整理匯總了TypeScript中core/util/canvas.Context2d.rotate方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript Context2d.rotate方法的具體用法？TypeScript Context2d.rotate怎麽用？TypeScript Context2d.rotate使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類core/util/canvas.Context2d的用法示例。

在下文中一共展示了Context2d.rotate方法的10個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。

示例1: _render

  protected _render(ctx: Context2d, indices: number[],
                    {sx, sy, _start_angle, _angle, sinner_radius, souter_radius}: AnnularWedgeData): void {
    const direction = this.model.properties.direction.value();

    for (const i of indices) {
      if (isNaN(sx[i] + sy[i] + sinner_radius[i] + souter_radius[i] + _start_angle[i] + _angle[i]))
        continue;

      ctx.translate(sx[i], sy[i]);
      ctx.rotate(_start_angle[i]);

      ctx.moveTo(souter_radius[i], 0);
      ctx.beginPath();
      ctx.arc(0, 0, souter_radius[i], 0, _angle[i], direction);
      ctx.rotate(_angle[i]);
      ctx.lineTo(sinner_radius[i], 0);
      ctx.arc(0, 0, sinner_radius[i], 0, -_angle[i], !direction);
      ctx.closePath();

      ctx.rotate(-_angle[i]-_start_angle[i]);
      ctx.translate(-sx[i], -sy[i]);

      if (this.visuals.fill.doit) {
        this.visuals.fill.set_vectorize(ctx, i);
        ctx.fill();
      }

      if (this.visuals.line.doit) {
        this.visuals.line.set_vectorize(ctx, i);
        ctx.stroke();
      }
    }
  }

開發者ID:Zyell，項目名稱:bokeh，代碼行數:33，代碼來源:annular_wedge.ts

示例2: _render

  protected _render(ctx: Context2d, indices: number[], {sx, sy, sw, sh, _angle}: OvalData): void {
    for (const i of indices) {
      if (isNaN(sx[i] + sy[i] + sw[i] + sh[i] + _angle[i]))
        continue

      ctx.translate(sx[i], sy[i])
      ctx.rotate(_angle[i])

      ctx.beginPath()
      ctx.moveTo(0, -sh[i]/2)
      ctx.bezierCurveTo( sw[i]/2, -sh[i]/2,  sw[i]/2,  sh[i]/2, 0,  sh[i]/2)
      ctx.bezierCurveTo(-sw[i]/2,  sh[i]/2, -sw[i]/2, -sh[i]/2, 0, -sh[i]/2)
      ctx.closePath()

      if (this.visuals.fill.doit) {
        this.visuals.fill.set_vectorize(ctx, i)
        ctx.fill()
      }

      if (this.visuals.line.doit) {
        this.visuals.line.set_vectorize(ctx, i)
        ctx.stroke()
      }

      ctx.rotate(-_angle[i])
      ctx.translate(-sx[i], -sy[i])
    }
  }

開發者ID:gully，項目名稱:bokeh，代碼行數:28，代碼來源:oval.ts

示例3: _render

  protected _render(ctx: Context2d, indices: number[], {sx, sy, slength, _angle}: RayData): void {
    if (this.visuals.line.doit) {
      const width = this.renderer.plot_view.frame._width.value
      const height = this.renderer.plot_view.frame._height.value
      const inf_len = 2 * (width + height)

      for (let i = 0, end = slength.length; i < end; i++) {
        if (slength[i] == 0)
          slength[i] = inf_len
      }

      for (const i of indices) {
        if (isNaN(sx[i] + sy[i] + _angle[i] + slength[i]))
          continue

        ctx.translate(sx[i], sy[i])
        ctx.rotate(_angle[i])

        ctx.beginPath()
        ctx.moveTo(0, 0)
        ctx.lineTo(slength[i], 0)

        this.visuals.line.set_vectorize(ctx, i)
        ctx.stroke()

        ctx.rotate(-_angle[i])
        ctx.translate(-sx[i], -sy[i])
      }
    }
  }

開發者ID:Zyell，項目名稱:bokeh，代碼行數:30，代碼來源:ray.ts

示例4: _render

  _render(ctx: Context2d, indices, {sx, sy, sw, sh}) {
    for (const i of indices) {
      if (isNaN(sx[i]+sy[i]+sw[i]+sh[i]+this._angle[i])) {
        continue;
      }

      ctx.translate(sx[i], sy[i]);
      ctx.rotate(this._angle[i]);

      ctx.beginPath();
      ctx.moveTo(0, -sh[i]/2);
      ctx.bezierCurveTo( sw[i]/2, -sh[i]/2,  sw[i]/2,  sh[i]/2, 0,  sh[i]/2);
      ctx.bezierCurveTo(-sw[i]/2,  sh[i]/2, -sw[i]/2, -sh[i]/2, 0, -sh[i]/2);
      ctx.closePath();

      if (this.visuals.fill.doit) {
        this.visuals.fill.set_vectorize(ctx, i);
        ctx.fill();
      }

      if (this.visuals.line.doit) {
        this.visuals.line.set_vectorize(ctx, i);
        ctx.stroke();
      }

      ctx.rotate(-this._angle[i]);
      ctx.translate(-sx[i], -sy[i]);
    }
  }

開發者ID:FourtekIT-incubator，項目名稱:bokeh，代碼行數:29，代碼來源:oval.ts

示例5: _render

  _render(ctx: Context2d, indices, {sx, sy, slength, _angle}) {
    if (this.visuals.line.doit) {
      const width = this.renderer.plot_view.frame._width.value;
      const height = this.renderer.plot_view.frame._height.value;
      const inf_len = 2 * (width + height);

      for (let i = 0, end = slength.length; i < end; i++) {
        if (slength[i] === 0) {
          slength[i] = inf_len;
        }
      }

      for (const i of indices) {
        if (isNaN(sx[i]+sy[i]+_angle[i]+slength[i])) {
          continue;
        }

        ctx.translate(sx[i], sy[i]);
        ctx.rotate(_angle[i]);

        ctx.beginPath();
        ctx.moveTo(0, 0);
        ctx.lineTo(slength[i], 0);

        this.visuals.line.set_vectorize(ctx, i);
        ctx.stroke();

        ctx.rotate(-_angle[i]);
        ctx.translate(-sx[i], -sy[i]);
      }
    }
  }

開發者ID:FourtekIT-incubator，項目名稱:bokeh，代碼行數:32，代碼來源:ray.ts

示例6: _render

  _render(ctx: Context2d, indices, {sx, sy, sx0, sy1, sw, sh, _angle}) {
    if (this.visuals.fill.doit) {
      for (const i of indices) {
        if (isNaN(sx[i] + sy[i] + sx0[i] + sy1[i] + sw[i] + sh[i] + _angle[i])) {
          continue;
        }

        //no need to test the return value, we call fillRect for every glyph anyway
        this.visuals.fill.set_vectorize(ctx, i);

        if (_angle[i]) {
          ctx.translate(sx[i], sy[i]);
          ctx.rotate(_angle[i]);
          ctx.fillRect(-sw[i]/2, -sh[i]/2, sw[i], sh[i]);
          ctx.rotate(-_angle[i]);
          ctx.translate(-sx[i], -sy[i]);
        } else {
          ctx.fillRect(sx0[i], sy1[i], sw[i], sh[i]);
        }
      }
    }

    if (this.visuals.line.doit) {
      ctx.beginPath();

      for (const i of indices) {

        if (isNaN(sx[i] + sy[i] + sx0[i] + sy1[i] + sw[i] + sh[i] + _angle[i])) {
          continue;
        }

        // fillRect does not fill zero-height or -width rects, but rect(...)
        // does seem to stroke them (1px wide or tall). Explicitly ignore rects
        // with zero width or height to be consistent
        if ((sw[i]===0) || (sh[i]===0)) {
          continue;
        }

        if (_angle[i]) {
          ctx.translate(sx[i], sy[i]);
          ctx.rotate(_angle[i]);
          ctx.rect(-sw[i]/2, -sh[i]/2, sw[i], sh[i]);
          ctx.rotate(-_angle[i]);
          ctx.translate(-sx[i], -sy[i]);
        } else {
          ctx.rect(sx0[i], sy1[i], sw[i], sh[i]);
        }

        this.visuals.line.set_vectorize(ctx, i);
        ctx.stroke();
        ctx.beginPath();
      }

      return ctx.stroke();
    }
  }

開發者ID:FourtekIT-incubator，項目名稱:bokeh，代碼行數:56，代碼來源:rect.ts

示例7: _render

  protected _render(ctx: Context2d, indices: number[], {sx, sy, sx0, sy1, sw, sh, _angle}: RectData): void {
    if (this.visuals.fill.doit) {
      for (const i of indices) {
        if (isNaN(sx[i] + sy[i] + sx0[i] + sy1[i] + sw[i] + sh[i] + _angle[i]))
          continue

        //no need to test the return value, we call fillRect for every glyph anyway
        this.visuals.fill.set_vectorize(ctx, i)

        if (_angle[i]) {
          ctx.translate(sx[i], sy[i])
          ctx.rotate(_angle[i])
          ctx.fillRect(-sw[i]/2, -sh[i]/2, sw[i], sh[i])
          ctx.rotate(-_angle[i])
          ctx.translate(-sx[i], -sy[i])
        } else
          ctx.fillRect(sx0[i], sy1[i], sw[i], sh[i])
      }
    }

    if (this.visuals.line.doit) {
      ctx.beginPath()

      for (const i of indices) {
        if (isNaN(sx[i] + sy[i] + sx0[i] + sy1[i] + sw[i] + sh[i] + _angle[i]))
          continue

        // fillRect does not fill zero-height or -width rects, but rect(...)
        // does seem to stroke them (1px wide or tall). Explicitly ignore rects
        // with zero width or height to be consistent
        if (sw[i] == 0 || sh[i] == 0)
          continue

        if (_angle[i]) {
          ctx.translate(sx[i], sy[i])
          ctx.rotate(_angle[i])
          ctx.rect(-sw[i]/2, -sh[i]/2, sw[i], sh[i])
          ctx.rotate(-_angle[i])
          ctx.translate(-sx[i], -sy[i])
        } else
          ctx.rect(sx0[i], sy1[i], sw[i], sh[i])

        this.visuals.line.set_vectorize(ctx, i)
        ctx.stroke()
        ctx.beginPath()
      }

      ctx.stroke()
    }
  }

開發者ID:Zyell，項目名稱:bokeh，代碼行數:50，代碼來源:rect.ts

示例8: _render

  _render(ctx: Context2d, indices: number[],
          {sx, sy, smodule, _angle, _teeth, _pressure_angle, _shaft_size, _internal}: GearData): void {
    for (const i of indices) {
      if (isNaN(sx[i] + sy[i] + _angle[i] + smodule[i] + _teeth[i] + _pressure_angle[i] + _shaft_size[i]))
        continue

      const fn = _internal[i] ? internal_gear_tooth : gear_tooth
      const seq0 = fn(smodule[i], _teeth[i], _pressure_angle[i])
      const [, x, y, ...seq] = seq0

      ctx.save()
      ctx.translate(sx[i], sy[i])
      ctx.rotate(_angle[i])

      ctx.beginPath()

      const rot = 2*Math.PI/_teeth[i]
      ctx.moveTo(x as number, y as number)

      for (let j = 0; j < _teeth[i]; j++) {
        this._render_seq(ctx, seq)
        ctx.rotate(rot)
      }

      ctx.closePath()

      const pitch_radius = smodule[i]*_teeth[i]/2
      if (_internal[i]) {
        const rim_radius = pitch_radius + 2.75*smodule[i]
        ctx.moveTo(rim_radius, 0)
        ctx.arc(0, 0, rim_radius, 0, 2*Math.PI, true)
      } else if (_shaft_size[i] > 0) {
        const shaft_radius = pitch_radius*_shaft_size[i]
        ctx.moveTo(shaft_radius, 0)
        ctx.arc(0, 0, shaft_radius, 0, 2*Math.PI, true)
      }

      if (this.visuals.fill.doit) {
        this.visuals.fill.set_vectorize(ctx, i)
        ctx.fill()
      }

      if (this.visuals.line.doit) {
        this.visuals.line.set_vectorize(ctx, i)
        ctx.stroke()
      }

      ctx.restore()
    }
  }

開發者ID:digitalsatori，項目名稱:Bokeh，代碼行數:50，代碼來源:gear.ts

示例9: _v_canvas_text

  _v_canvas_text(ctx: Context2d, i, text, sx, sy, angle) {
    this.visuals.text.set_vectorize(ctx, i);
    const bbox_dims = this._calculate_bounding_box_dimensions(ctx, text);

    ctx.save();

    ctx.beginPath();
    ctx.translate(sx, sy);
    ctx.rotate(angle);

    ctx.rect(bbox_dims[0], bbox_dims[1], bbox_dims[2], bbox_dims[3]);

    if (this.visuals.background_fill.doit) {
      this.visuals.background_fill.set_vectorize(ctx, i);
      ctx.fill();
    }

    if (this.visuals.border_line.doit) {
      this.visuals.border_line.set_vectorize(ctx, i);
      ctx.stroke();
    }

    if (this.visuals.text.doit) {
      this.visuals.text.set_vectorize(ctx, i);
      ctx.fillText(text, 0, 0);
    }

    return ctx.restore();
  }

開發者ID:FourtekIT-incubator，項目名稱:bokeh，代碼行數:29，代碼來源:label_set.ts

示例10: _canvas_text

  protected _canvas_text(ctx: Context2d, text: string, sx: number, sy: number, angle: number): void {
    this.visuals.text.set_value(ctx)
    const bbox_dims = this._calculate_bounding_box_dimensions(ctx, text)

    ctx.save()

    ctx.beginPath()
    ctx.translate(sx, sy)

    if (angle)
      ctx.rotate(angle)

    ctx.rect(bbox_dims[0], bbox_dims[1], bbox_dims[2], bbox_dims[3])

    if (this.visuals.background_fill.doit) {
      this.visuals.background_fill.set_value(ctx)
      ctx.fill()
    }

    if (this.visuals.border_line.doit) {
      this.visuals.border_line.set_value(ctx)
      ctx.stroke()
    }

    if (this.visuals.text.doit) {
      this.visuals.text.set_value(ctx)
      ctx.fillText(text, 0, 0)
    }

    ctx.restore()
  }

開發者ID:Zyell，項目名稱:bokeh，代碼行數:31，代碼來源:text_annotation.ts

注：本文中的core/util/canvas.Context2d.rotate方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。