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#include <GDIPlus.au3> #include <WinAPI.au3> #include <GUISlider.au3> #include <GUIConstants.au3> #include <WindowsConstants.au3> #include <Date.au3> ; Let's be strict here Opt("MustDeclareVars", 1) ; Controls the size of the pie and also the depth Global Const $PIE_DIAMETER = 400 Global Const $PIE_MARGIN = $PIE_DIAMETER * 0.025 Global Const $PIE_DEPTH = $PIE_DIAMETER * 0.2 Global Const $PIE_AREA = $PIE_DIAMETER + 2 * $PIE_MARGIN ; Random data for values and colours Global Const $NUM_VALUES = 8 Global $aChartValue[$NUM_VALUES] Global $aChartColour[$NUM_VALUES] For $i = 0 To $NUM_VALUES - 1 $aChartValue[$i] = Random(5, 25, 1) $aChartColour[$i] = (Random(0, 255, 1) * 0x10000) + (Random(0, 255, 1) * 0x100) + Random(0, 255, 1) Next ; The value of PI Global Const $PI = ATan(1) * 4 ; Start GDI+ _GDIPlus_Startup() ; Create the brushes and pens Global $ahBrush[$NUM_VALUES][2], $ahPen[$NUM_VALUES] For $i = 0 To $NUM_VALUES - 1 $ahBrush[$i][0] = _GDIPlus_BrushCreateSolid(BitOR(0xff000000, $aChartColour[$i])) $ahBrush[$i][1] = _GDIPlus_BrushCreateSolid(BitOR(0xff000000, _GetDarkerColour($aChartColour[$i]))) $ahPen[$i] = _GDIPlus_PenCreate(BitOR(0xff000000, _GetDarkerColour(_GetDarkerColour($aChartColour[$i])))) Next ; Create the GUI with sliders to control the aspect, rotation, style and hole size (for donuts) Global $hWnd = GUICreate("Pie Chart", $PIE_AREA, $PIE_AREA + 100, Default, Default) Global $hSlideAspect = _GUICtrlSlider_Create($hWnd, $PIE_MARGIN, $PIE_AREA + 10, $PIE_DIAMETER, 20) _GUICtrlSlider_SetRange($hSlideAspect, 10, 100) _GUICtrlSlider_SetPos($hSlideAspect, 50) Global $hSlideRotation = _GUICtrlSlider_Create($hWnd, $PIE_MARGIN, $PIE_AREA + 40, $PIE_DIAMETER, 20) _GUICtrlSlider_SetRange($hSlideRotation, 0, 360) Global $cStyle = GUICtrlCreateCheckbox("Donut", $PIE_MARGIN, $PIE_AREA + 70, $PIE_DIAMETER / 2 - $PIE_MARGIN, 20) Global $hStyle = GUICtrlGetHandle($cStyle) Global $hHoleSize = _GUICtrlSlider_Create($hWnd, $PIE_MARGIN + $PIE_DIAMETER / 2, $PIE_AREA + 70, $PIE_DIAMETER / 2, 20) _GUICtrlSlider_SetRange($hHoleSize, 2, $PIE_DIAMETER - 4 * $PIE_MARGIN) _GUICtrlSlider_SetPos($hHoleSize, $PIE_DIAMETER / 2) GUISetState() ; Set up GDI+ Global $hDC = _WinAPI_GetDC($hWnd) Global $hGraphics = _GDIPlus_GraphicsCreateFromHDC($hDC) Global $hBitmap = _GDIPlus_BitmapCreateFromGraphics($PIE_AREA, $PIE_AREA, $hGraphics) Global $hBuffer = _GDIPlus_ImageGetGraphicsContext($hBitmap) _GDIPlus_GraphicsSetSmoothingMode($hBuffer, 2) ; Draw the initial pie chart _DrawPie($aChartValue, _GUICtrlSlider_GetPos($hSlideAspect) / 100, _ _GUICtrlSlider_GetPos($hSlideRotation), _ (GUICtrlRead($cStyle) = $GUI_CHECKED), _ _GUICtrlSlider_GetPos($hHoleSize)) ; The sliders will send WM_NOTIFY messages GUIRegisterMsg($WM_NOTIFY, "_OnNotify") ; Wait until the user quits While GUIGetMsg() <> $GUI_EVENT_CLOSE Sleep(10) WEnd ; Release the resources For $i = 0 To UBound($aChartColour) - 1 _GDIPlus_PenDispose($ahPen[$i]) _GDIPlus_BrushDispose($ahBrush[$i][0]) _GDIPlus_BrushDispose($ahBrush[$i][1]) Next _GDIPlus_GraphicsDispose($hBuffer) _GDIPlus_BitmapDispose($hBitmap) _GDIPlus_GraphicsDispose($hGraphics) _WinAPI_ReleaseDC($hWnd, $hDC) ; Shut down GDI+ _GDIPlus_Shutdown() ; Done Exit ; Get a darker version of a colour by extracting the RGB components Func _GetDarkerColour($Colour) Local $Red, $Green, $Blue $Red = (BitAND($Colour, 0xff0000) / 0x10000) - 40 $Green = (BitAND($Colour, 0x00ff00) / 0x100) - 40 $Blue = (BitAND($Colour, 0x0000ff)) - 40 If $Red < 0 Then $Red = 0 If $Green < 0 Then $Green = 0 If $Blue < 0 Then $Blue = 0 Return ($Red * 0x10000) + ($Green * 0x100) + $Blue EndFunc ;==>_GetDarkerColour ; Draw the pie chart Func _DrawPie($Percentage, $Aspect, $rotation, $style = 0, $holesize = 100) If $style <> 0 Then $Aspect = 1 Local $nCount, $nTotal = 0, $angleStart, $angleSweep, $X, $Y Local $pieLeft = $PIE_MARGIN, $pieTop = $PIE_AREA / 2 - ($PIE_DIAMETER / 2) * $Aspect Local $pieWidth = $PIE_DIAMETER, $pieHeight = $PIE_DIAMETER * $Aspect, $hPath ; Total up the values For $nCount = 0 To UBound($Percentage) - 1 $nTotal += $Percentage[$nCount] Next ; Set the fractional values For $nCount = 0 To UBound($Percentage) - 1 $Percentage[$nCount] /= $nTotal Next ; Make sure we don't over-rotate $rotation = Mod($rotation, 360) ; Clear the graphics buffer _GDIPlus_GraphicsClear($hBuffer, 0xffc0c0c0) ; Set the initial angles based on the fractional values Local $Angles[UBound($Percentage) + 1] For $nCount = 0 To UBound($Percentage) If $nCount = 0 Then $Angles[$nCount] = $rotation Else $Angles[$nCount] = $Angles[$nCount - 1] + ($Percentage[$nCount - 1] * 360) EndIf Next Switch $style Case 0 ; Adjust the angles based on the aspect For $nCount = 0 To UBound($Percentage) $X = $PIE_DIAMETER * Cos($Angles[$nCount] * $PI / 180) $Y = $PIE_DIAMETER * Sin($Angles[$nCount] * $PI / 180) $Y -= ($PIE_DIAMETER - $pieHeight) * Sin($Angles[$nCount] * $PI / 180) If $X = 0 Then $Angles[$nCount] = 90 + ($Y < 0) * 180 Else $Angles[$nCount] = ATan($Y / $X) * 180 / $PI EndIf If $X < 0 Then $Angles[$nCount] += 180 If $X >= 0 And $Y < 0 Then $Angles[$nCount] += 360 $X = $PIE_DIAMETER * Cos($Angles[$nCount] * $PI / 180) $Y = $pieHeight * Sin($Angles[$nCount] * $PI / 180) Next ; Decide which pieces to draw first and last Local $nStart = -1, $nEnd = -1 For $nCount = 0 To UBound($Percentage) - 1 $angleStart = Mod($Angles[$nCount], 360) $angleSweep = Mod($Angles[$nCount + 1] - $Angles[$nCount] + 360, 360) If $angleStart <= 270 And ($angleStart + $angleSweep) >= 270 Then $nStart = $nCount EndIf If ($angleStart <= 90 And ($angleStart + $angleSweep) >= 90) _ Or ($angleStart <= 450 And ($angleStart + $angleSweep) >= 450) Then $nEnd = $nCount EndIf If $nEnd >= 0 And $nStart >= 0 Then ExitLoop Next ; Draw the first piece _DrawPiePiece($hBuffer, $pieLeft, $pieTop, $pieWidth, $pieHeight, $PIE_DEPTH * (1 - $Aspect), $nStart, $Angles) ; Draw pieces "to the right" $nCount = Mod($nStart + 1, UBound($Percentage)) While $nCount <> $nEnd _DrawPiePiece($hBuffer, $pieLeft, $pieTop, $pieWidth, $pieHeight, $PIE_DEPTH * (1 - $Aspect), $nCount, $Angles) $nCount = Mod($nCount + 1, UBound($Percentage)) WEnd ; Draw pieces "to the left" $nCount = Mod($nStart + UBound($Percentage) - 1, UBound($Percentage)) While $nCount <> $nEnd _DrawPiePiece($hBuffer, $pieLeft, $pieTop, $pieWidth, $pieHeight, $PIE_DEPTH * (1 - $Aspect), $nCount, $Angles) $nCount = Mod($nCount + UBound($Percentage) - 1, UBound($Percentage)) WEnd ; Draw the last piece _DrawPiePiece($hBuffer, $pieLeft, $pieTop, $pieWidth, $pieHeight, $PIE_DEPTH * (1 - $Aspect), $nEnd, $Angles) Case 1 ; Draw the donut pieces For $nCount = 0 To UBound($Percentage) - 1 $angleStart = Mod($Angles[$nCount], 360) $angleSweep = Mod($Angles[$nCount + 1] - $Angles[$nCount] + 360, 360) ; Draw the outer arc in a darker colour $hPath = _GDIPlus_GraphicsPathCreate() _GDIPlus_GraphicsPathAddArc($hPath, $pieLeft, $pieTop, $pieWidth, $pieHeight, $angleStart, $angleSweep) _GDIPlus_GraphicsPathAddArc($hPath, $pieLeft + $PIE_MARGIN, $pieTop + $PIE_MARGIN, $pieWidth - $PIE_MARGIN * 2, _ $pieHeight - $PIE_MARGIN * 2, $angleStart + $angleSweep, -$angleSweep) _GDIPlus_GraphicsPathCloseFigure($hPath) _GDIPlus_GraphicsFillPath($hBuffer, $ahBrush[$nCount][1], $hPath) _GDIPlus_GraphicsDrawPath($hBuffer, $ahPen[$nCount], $hPath) _GDIPlus_GraphicsPathDispose($hPath) ; Draw the inner piece in a lighter colour - leave room for the hole $hPath = _GDIPlus_GraphicsPathCreate() _GDIPlus_GraphicsPathAddArc($hPath, $pieLeft + $PIE_MARGIN, $pieTop + $PIE_MARGIN, $pieWidth - $PIE_MARGIN * 2, _ $pieHeight - $PIE_MARGIN * 2, $angleStart, $angleSweep) _GDIPlus_GraphicsPathAddArc($hPath, $pieLeft + ($PIE_DIAMETER - $holesize) / 2, $pieTop + ($PIE_DIAMETER - $holesize) / 2, _ $holesize, $holesize, $angleStart + $angleSweep, -$angleSweep) _GDIPlus_GraphicsPathCloseFigure($hPath) _GDIPlus_GraphicsFillPath($hBuffer, $ahBrush[$nCount][0], $hPath) _GDIPlus_GraphicsDrawPath($hBuffer, $ahPen[$nCount], $hPath) _GDIPlus_GraphicsPathDispose($hPath) Next EndSwitch ; Now draw the bitmap on to the device context of the window _GDIPlus_GraphicsDrawImage($hGraphics, $hBitmap, 0, 0) EndFunc ;==>_DrawPie Func _OnNotify($hWnd, $iMsg, $wParam, $lParam) Local $tNMHDR = DllStructCreate($tagNMHDR, $lParam) Local $hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom")) Switch $hWndFrom Case $hSlideAspect, $hSlideRotation, $hStyle, $hHoleSize ; Update the pie chart _DrawPie($aChartValue, _GUICtrlSlider_GetPos($hSlideAspect) / 100, _ _GUICtrlSlider_GetPos($hSlideRotation), _ (GUICtrlRead($cStyle) = $GUI_CHECKED), _ _GUICtrlSlider_GetPos($hHoleSize)) EndSwitch EndFunc ;==>_OnNotify Func _DrawPiePiece($hGraphics, $iX, $iY, $iWidth, $iHeight, $iDepth, $nCount, $Angles) Local $hPath, $cX = $iX + ($iWidth / 2), $cY = $iY + ($iHeight / 2), $fDrawn = False Local $iStart = Mod($Angles[$nCount], 360), $iSweep = Mod($Angles[$nCount + 1] - $Angles[$nCount] + 360, 360) ; Draw side ConsoleWrite(_Now() & @CRLF) $hPath = _GDIPlus_GraphicsPathCreate() If $iStart < 180 And ($iStart + $iSweep > 180) Then _GDIPlus_GraphicsPathAddArc($hPath, $iX, $iY, $iWidth, $iHeight, $iStart, 180 - $iStart) _GDIPlus_GraphicsPathAddArc($hPath, $iX, $iY + $iDepth, $iWidth, $iHeight, 180, $iStart - 180) _GDIPlus_GraphicsPathCloseFigure($hPath) _GDIPlus_GraphicsFillPath($hGraphics, $ahBrush[$nCount][1], $hPath) _GDIPlus_GraphicsDrawPath($hGraphics, $ahPen[$nCount], $hPath) $fDrawn = True EndIf If $iStart + $iSweep > 360 Then _GDIPlus_GraphicsPathAddArc($hPath, $iX, $iY, $iWidth, $iHeight, 0, $iStart + $iSweep - 360) _GDIPlus_GraphicsPathAddArc($hPath, $iX, $iY + $iDepth, $iWidth, $iHeight, $iStart + $iSweep - 360, 360 - $iStart - $iSweep) _GDIPlus_GraphicsPathCloseFigure($hPath) _GDIPlus_GraphicsFillPath($hGraphics, $ahBrush[$nCount][1], $hPath) _GDIPlus_GraphicsDrawPath($hGraphics, $ahPen[$nCount], $hPath) $fDrawn = True EndIf If $iStart < 180 And (Not $fDrawn) Then _GDIPlus_GraphicsPathAddArc($hPath, $iX, $iY, $iWidth, $iHeight, $iStart, $iSweep) _GDIPlus_GraphicsPathAddArc($hPath, $iX, $iY + $iDepth, $iWidth, $iHeight, $iStart + $iSweep, -$iSweep) _GDIPlus_GraphicsPathCloseFigure($hPath) _GDIPlus_GraphicsFillPath($hGraphics, $ahBrush[$nCount][1], $hPath) _GDIPlus_GraphicsDrawPath($hGraphics, $ahPen[$nCount], $hPath) EndIf _GDIPlus_GraphicsPathDispose($hPath) ; Draw top _GDIPlus_GraphicsFillPie($hGraphics, $iX, $iY, $iWidth, $iHeight, $iStart, $iSweep, $ahBrush[$nCount][0]) _GDIPlus_GraphicsDrawPie($hGraphics, $iX, $iY, $iWidth, $iHeight, $iStart, $iSweep, $ahPen[$nCount]) EndFunc ;==>_DrawPiePiece Func _GDIPlus_GraphicsPathCreate($iFillMode = 0) Local $aResult = DllCall($ghGDIPDll, "int", "GdipCreatePath", "int", $iFillMode, "int*", 0); If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, $aResult[2]) EndFunc ;==>_GDIPlus_GraphicsPathCreate Func _GDIPlus_GraphicsPathAddLine($hGraphicsPath, $iX1, $iY1, $iX2, $iY2) Local $aResult = DllCall($ghGDIPDll, "int", "GdipAddPathLine", "hwnd", $hGraphicsPath, "float", $iX1, "float", $iY1, _ "float", $iX2, "float", $iY2) If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, 0) EndFunc ;==>_GDIPlus_GraphicsPathAddLine Func _GDIPlus_GraphicsPathAddArc($hGraphicsPath, $iX, $iY, $iWidth, $iHeight, $iStartAngle, $iSweepAngle) Local $aResult = DllCall($ghGDIPDll, "int", "GdipAddPathArc", "hwnd", $hGraphicsPath, "float", $iX, "float", $iY, _ "float", $iWidth, "float", $iHeight, "float", $iStartAngle, "float", $iSweepAngle) If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, 0) EndFunc ;==>_GDIPlus_GraphicsPathAddArc Func _GDIPlus_GraphicsPathAddPie($hGraphicsPath, $iX, $iY, $iWidth, $iHeight, $iStartAngle, $iSweepAngle) Local $aResult = DllCall($ghGDIPDll, "int", "GdipAddPathPie", "hwnd", $hGraphicsPath, "float", $iX, "float", $iY, _ "float", $iWidth, "float", $iHeight, "float", $iStartAngle, "float", $iSweepAngle) If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, 0) EndFunc ;==>_GDIPlus_GraphicsPathAddPie Func _GDIPlus_GraphicsPathCloseFigure($hGraphicsPath) Local $aResult = DllCall($ghGDIPDll, "int", "GdipClosePathFigure", "hwnd", $hGraphicsPath) If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, 0) EndFunc ;==>_GDIPlus_GraphicsPathCloseFigure Func _GDIPlus_GraphicsPathDispose($hGraphicsPath) Local $aResult = DllCall($ghGDIPDll, "int", "GdipDeletePath", "hwnd", $hGraphicsPath) If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, 0) EndFunc ;==>_GDIPlus_GraphicsPathDispose Func _GDIPlus_GraphicsDrawPath($hGraphics, $hPen, $hGraphicsPath) Local $aResult = DllCall($ghGDIPDll, "int", "GdipDrawPath", "hwnd", $hGraphics, "hwnd", $hPen, "hwnd", $hGraphicsPath) If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, 0) EndFunc ;==>_GDIPlus_GraphicsDrawPath Func _GDIPlus_GraphicsFillPath($hGraphics, $hBrush, $hGraphicsPath) Local $aResult = DllCall($ghGDIPDll, "int", "GdipFillPath", "hwnd", $hGraphics, "hwnd", $hBrush, "hwnd", $hGraphicsPath) If @error Then Return SetError(@error, @extended, 0) Return SetError($aResult[0], 0, 0) EndFunc ;==>_GDIPlus_GraphicsFillPath
