Get or Read Pixel from Memory UDF - PixelGetColor .au3

SUBMITTED BY: Guest

DATE: May 28, 2013, 10 a.m.

FORMAT: Text only

SIZE: 7.4 kB

Raw Download

HITS: 1866

Report
  1. #include <ScreenCapture.au3>
  2. #include-once
  4. ; #FUNCTION# ;===============================================================================
  5. ;
  6. ; Name...........: _PixelGetColor_CreateDC
  7. ; Description ...: Creates a DC for use with the other _PixelGetColor functions.
  8. ; Syntax.........: _PixelGetColor_CreateDC()
  9. ; Parameters ....: None.
  10. ; Return values .: Success - Returns the handle to a compatible DC.
  11. ; Failure - Returns 0 and Sets @error according to @error from the DllCall.
  12. ; Author ........: Jos van Egmond
  13. ; Modified.......:
  14. ; Remarks .......:
  15. ; Related .......: _PixelGetColor_CaptureRegion, _PixelGetcolor_GetPixel, _PixelGetColor_GetPixelRaw, _PixelGetColor_ReleaseRegion, _PixelGet_Color_ReleaseDC
  16. ; Example .......; No
  17. ;
  18. ; ;==========================================================================================
  19. Func _PixelGetColor_CreateDC($hDll = "gdi32.dll")
  20. $iPixelGetColor_MemoryContext = DllCall($hDll, "int", "CreateCompatibleDC", "int", 0)
  21. If @error Then Return SetError(@error,0,0)
  22. Return $iPixelGetColor_MemoryContext[0]
  23. EndFunc
  25. ; #FUNCTION# ;===============================================================================
  26. ;
  27. ; Name...........: _PixelGetColor_CaptureRegion
  28. ; Description ...: Captures the user defined region and reads it to a memory DC.
  29. ; Syntax.........: _PixelGetColor_CaptureRegion($iPixelGetColor_MemoryContext, $iLeft = 0, $iTop = 0, $iRight = -1, $iBottom = -1, $fCursor = False)
  30. ; Parameters ....: $iPixelGetColor_MemoryContext - The DC as returned by _PixelGetColor_CreateDC
  31. ; $iLeft - Left side of the screen for use with the region
  32. ; $iTop - Top side of the screen for use with the region
  33. ; $iRight - Right side of the screen for use with the region
  34. ; $iBottom - Bottom side of the screen for use with the region
  35. ; $iCursor - If this is true, then the cursor is also read into memory
  36. ; Return values .: Success - Returns the handle to a region.
  37. ; Failure -
  38. ; Author ........: Jos van Egmond
  39. ; Modified.......:
  40. ; Remarks .......:
  41. ; Related .......: _PixelGet_Color_CreateDC, _PixelGetcolor_GetPixel, _PixelGetColor_GetPixelRaw, _PixelGetColor_ReleaseRegion, _PixelGet_Color_ReleaseDC
  42. ; Example .......; No
  43. ;
  44. ; ;==========================================================================================
  45. Func _PixelGetColor_CaptureRegion($iPixelGetColor_MemoryContext, $iLeft = 0, $iTop = 0, $iRight = -1, $iBottom = -1, $fCursor = False, $hDll = "gdi32.dll")
  46. $HBITMAP = _ScreenCapture_Capture("", $iLeft, $iTop, $iRight, $iBottom, $fCursor)
  47. DllCall($hDll, "hwnd", "SelectObject", "int", $iPixelGetColor_MemoryContext, "hwnd", $HBITMAP)
  48. Return $HBITMAP
  49. EndFunc
  51. ; #FUNCTION# ;===============================================================================
  52. ;
  53. ; Name...........: _PixelGetColor_GetPixel
  54. ; Description ...: Gets a pixel color from the DC in decimal BGR and converts it to RGB in 6 digit hexadecimal.
  55. ; Syntax.........: _PixelGetColor_GetPixel($iPixelGetColor_MemoryContext,$iX,$iY)
  56. ; Parameters ....: $iPixelGetColor_MemoryContext - The DC as returned by _PixelGetColor_CreateDC
  57. ; $iX - The X coordinate in the captured region
  58. ; $iY - The Y coordinate in the captured regoin
  59. ; Return values .: Success - Returns the 6 digit hex BGR color.
  60. ; Failure - Returns -1 and Sets @error to 1.
  61. ; Author ........: Jos van Egmond
  62. ; Modified.......:
  63. ; Remarks .......:
  64. ; Related .......: _PixelGetColor_CreateDC, _PixelGetColor_CaptureRegion, _PixelGetColor_GetPixelRaw, _PixelGetColor_ReleaseRegion, _PixelGet_Color_ReleaseDC
  65. ; Example .......; Yes
  66. ;
  67. ; ;==========================================================================================
  68. Func _PixelGetColor_GetPixel($iPixelGetColor_MemoryContext,$iX,$iY, $hDll = "gdi32.dll")
  69. $iColor = DllCall($hDll,"int","GetPixel","int",$iPixelGetColor_MemoryContext,"int",$iX,"int",$iY)
  70. If $iColor[0] = -1 then Return SetError(1,0,-1)
  71. $sColor = Hex($iColor[0],6)
  72. Return StringRight($sColor,2) & StringMid($sColor,3,2) & StringLeft($sColor,2)
  73. EndFunc
  75. ; #FUNCTION# ;===============================================================================
  76. ;
  77. ; Name...........: _PixelGetColor_GetPixelRaw
  78. ; Description ...: Gets a pixel color from the DC in decimal BGR.
  79. ; Syntax.........: _PixelGetColor_GetPixelRaw($iPixelGetColor_MemoryContext,$iX,$iY)
  80. ; Parameters ....: $iPixelGetColor_MemoryContext - The DC as returned by _PixelGetColor_CreateDC
  81. ; $iX - The X coordinate in the captured region
  82. ; $iY - The Y coordinate in the captured regoin
  83. ; Return values .: Success - Returns the color in decimal BGR.
  84. ; Failure - Returns -1 and Sets @error to 1.
  85. ; Author ........: Jos van Egmond
  86. ; Modified.......:
  87. ; Remarks .......:
  88. ; Related .......: _PixelGetColor_CreateDC, _PixelGetColor_CaptureRegion, _PixelGetColor_GetPixel, _PixelGetColor_ReleaseRegion, _PixelGet_Color_ReleaseDC
  89. ; Example .......; No
  90. ;
  91. ; ;==========================================================================================
  92. Func _PixelGetColor_GetPixelRaw($iPixelGetColor_MemoryContext,$iX,$iY, $hDll = "gdi32.dll")
  93. $iColor = DllCall($hDll,"int","GetPixel","int",$iPixelGetColor_MemoryContext,"int",$iX,"int",$iY)
  94. Return $iColor[0]
  95. EndFunc
  97. ; #FUNCTION# ;===============================================================================
  98. ;
  99. ; Name...........: _PixelGetColor_ReleaseRegion
  100. ; Description ...: Releases a region previously created by calling _PixelGetColor_CaptureRegion
  101. ; Syntax.........: _PixelGetColor_ReleaseRegion($HBITMAP)
  102. ; Parameters ....: $HBITMAP - Previously returned by _PixelGetColor_CaptureRegion
  103. ; Return values .: None.
  104. ; Author ........: Jos van Egmond
  105. ; Modified.......:
  106. ; Remarks .......:
  107. ; Related .......: _PixelGetColor_CreateDC, _PixelGetColor_CaptureRegion, _PixelGetcolor_GetPixel, _PixelGetColor_GetPixelRaw, _PixelGet_Color_ReleaseDC
  108. ; Example .......; No
  109. ;
  110. ; ;==========================================================================================
  111. Func _PixelGetColor_ReleaseRegion($HBITMAP)
  112. _WinAPI_DeleteObject($HBITMAP)
  113. EndFunc
  115. ; #FUNCTION# ;===============================================================================
  116. ;
  117. ; Name...........: _PixelGetColor_ReleaseDC
  118. ; Description ...: Releases a region previously created by calling _PixelGetColor_CreateDC
  119. ; Syntax.........: _PixelGetColor_ReleaseDC($iPixelGetColor_MemoryContext)
  120. ; Parameters ....: $iPixelGetColor_MemoryContext - Previously returned by _PixelGetColor_CreateDC
  121. ; Return values .: None.
  122. ; Author ........: Jos van Egmond
  123. ; Modified.......:
  124. ; Remarks .......:
  125. ; Related .......: _PixelGetColor_CreateDC, _PixelGetColor_CaptureRegion, _PixelGetcolor_GetPixel, _PixelGetColor_GetPixelRaw, _PixelGetColor_ReleaseRegion
  126. ; Example .......; No
  127. ;
  128. ; ;==========================================================================================
  129. Func _PixelGetColor_ReleaseDC($iPixelGetColor_MemoryContext, $hDll = "gdi32.dll")
  130. DllCall($hDll, "int", "DeleteDC", "hwnd", $iPixelGetColor_MemoryContext)
  131. EndFunc
comments powered by Disqus