chzj589 发表于 2020-6-4 22:23:40

_GDIPlus_PathAddLine五星如何原轴旋转[己解决]

本帖最后由 chzj589 于 2020-6-5 15:53 编辑

如题：_GDIPlus_PathAddLine五星如何原轴旋转
用：      _GDIPlus_MatrixRotate($hMatrix, -10, 0);旋转矩阵，不能原轴旋转。

#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>
Example()
Func Example()
      Local $hGUI, $hGraphic, $hBrush, $hPen, $hPath, $hPath_Clone, $hMatrix
      ; 创建 GUI
      $hGUI = GUICreate("GDI+ UDF 示例", 800, 400)
      GUISetState(@SW_SHOW)
      _GDIPlus_Startup()
      $hGraphic = _GDIPlus_GraphicsCreateFromHWND($hGUI) ;在句柄指定的窗口创建图形对象
      _GDIPlus_GraphicsSetSmoothingMode($hGraphic, $GDIP_SMOOTHINGMODE_HIGHQUALITY) ;设置图形对象渲染质量(抗锯齿)
      _GDIPlus_GraphicsClear($hGraphic, 0xFFFFFFFF)
      $hBrush = _GDIPlus_BrushCreateSolid(0x7F8800AA)
      $hPen = _GDIPlus_PenCreate(0xFF8800AA, 2)
      $hPath = _GDIPlus_PathCreate() ;创建新路径对象
      _GDIPlus_PathAddLine($hPath, 106, 330, 200, 40)
      _GDIPlus_PathAddLine($hPath, 294, 330, 48, 151)
      _GDIPlus_PathAddLine($hPath, 352, 151, 106, 330)
      $hPath_Clone = _GDIPlus_PathClone($hPath) ;创建路径副本
      $hMatrix = _GDIPlus_MatrixCreate()
      _GDIPlus_MatrixTranslate($hMatrix, 100, 50)
      _GDIPlus_MatrixRotate($hMatrix, -10, 0);旋转矩阵
      _GDIPlus_PathTransform($hPath_Clone, $hMatrix)
      _GDIPlus_PathWindingModeOutline($hPath_Clone) ; 轮廓
      _GDIPlus_GraphicsFillPath($hGraphic, $hPath_Clone, $hBrush) ;填充路径到图形句柄指定的 GUI
      _GDIPlus_GraphicsDrawPath($hGraphic, $hPath_Clone, $hPen) ;绘制路径到图形句柄指定的 GUI

      ; 循环到用户退出.
      Do
      Until GUIGetMsg() = $GUI_EVENT_CLOSE

      ; 清理资源
      _GDIPlus_MatrixDispose($hMatrix)
      _GDIPlus_PathDispose($hPath)
      _GDIPlus_PathDispose($hPath_Clone)
      _GDIPlus_BrushDispose($hBrush)
      _GDIPlus_PenDispose($hPen)
      _GDIPlus_GraphicsDispose($hGraphic)
      _GDIPlus_Shutdown()
EndFunc   ;==>Example


afan 发表于 2020-6-5 15:00:20

...
      $hMatrix = _GDIPlus_MatrixCreate()
      _GDIPlus_MatrixTranslate($hMatrix, 200, 200)
      _GDIPlus_MatrixRotate($hMatrix, -10, 0);旋转矩阵
                _GDIPlus_MatrixTranslate($hMatrix, -200, -200)
      _GDIPlus_PathTransform($hPath_Clone, $hMatrix)
      _GDIPlus_PathWindingModeOutline($hPath_Clone) ; 轮廓
...

chzj589 发表于 2020-6-5 15:53:01

afan 发表于 2020-6-5 15:00
...
      $hMatrix = _GDIPlus_MatrixCreate()
      _GDIPlus_MatrixTranslate($hMatrix, 200, 200 ...

谢谢!谢谢!

chzj589 发表于 2020-6-7 10:11:19

afan 发表于 2020-6-5 15:00
...
      $hMatrix = _GDIPlus_MatrixCreate()
      _GDIPlus_MatrixTranslate($hMatrix, 200, 200 ...

谢谢A版，现己应用到代码中





afan 发表于 2020-6-7 10:38:53

chzj589 发表于 2020-6-7 10:11
谢谢A版，现己应用到代码中

效果不错，恭喜恭喜
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