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External Functions.ahk
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; Gdip_All.ahk - GDI+ library compilation of user contributed GDI+ functions
; made by Marius Șucan: https://github.com/marius-sucan/AHK-GDIp-Library-Compilation
; a fork from: https://github.com/mmikeww/AHKv2-Gdip
; based on https://github.com/tariqporter/Gdip
; Supports: AHK_L / AHK_H Unicode/ANSI x86/x64 and AHK v2 alpha
; This file is the AHK v1.1 edition; for AHK v2 compatible edition, please see the repository.
;
; AHK forums: https://www.autohotkey.com/boards/viewtopic.php?f=6&t=6517
;
; NOTES: The drawing of GDI+ Bitmaps is limited to a size
; of 32767 pixels in either direction (width, height).
; To calculate the largest bitmap you can create:
; The maximum object size is 2GB = 2,147,483,648 bytes
; Default bitmap is 32bpp (4 bytes), the largest area we can have is 2GB / 4 = 536,870,912 bytes
; If we want a square, the largest we can get is sqrt(2GB/4) = 23,170 pixels
;
; Gdip standard library versions:
; by Marius Șucan - gathered user-contributed functions and implemented hundreds of new functions
; - v1.92 [28/10/2021]
; - v1.91 [11/10/2021]
; - v1.90 [09/10/2021]
; - v1.89 [08/10/2021]
; - v1.88 [05/10/2021]
; - v1.87 [29/09/2021]
; - v1.85 [24/08/2020]
; - v1.84 [05/06/2020]
; - v1.83 [24/05/2020]
; - v1.82 [11/03/2020]
; - v1.81 [25/02/2020]
; - v1.80 [01/11/2019]
; - v1.79 [28/10/2019]
; - v1.78 [27/10/2019]
; - v1.77 [06/10/2019]
; - v1.76 [27/09/2019]
; - v1.75 [23/09/2019]
; - v1.74 [19/09/2019]
; - v1.73 [17/09/2019]
; - v1.72 [16/09/2019]
; - v1.71 [15/09/2019]
; - v1.70 [13/09/2019]
; - v1.69 [12/09/2019]
; - v1.68 [11/09/2019]
; - v1.67 [10/09/2019]
; - v1.66 [09/09/2019]
; - v1.65 [08/09/2019]
; - v1.64 [07/09/2019]
; - v1.63 [06/09/2019]
; - v1.62 [05/09/2019]
; - v1.61 [04/09/2019]
; - v1.60 [03/09/2019]
; - v1.59 [01/09/2019]
; - v1.58 [29/08/2019]
; - v1.57 [23/08/2019]
; - v1.56 [21/08/2019]
; - v1.55 [14/08/2019]
;
; bug fixes and AHK v2 alpha compatibility by mmikeww and others
; - v1.54 [15/11/2017]
; - v1.53 [19/06/2017]
; - v1.52 [11/06/2017]
; - v1.51 [27/01/2017]
; - v1.50 [20/11/2016]
; - v1.47 [20/02/2014] [?]
;
; modified by Rseding91 using fincs 64 bit compatible
; - v1.45 [01/05/2013]
;
; by tic (Tariq Porter)
; - v1.45 [09/07/2011]
; - v1.01 [05/31/2008]
;
; Detailed history:
; - 28/10/2021 = Added Gdip_TranslatePath(), Gdip_ScalePath() and Gdip_RotatePath(). Improved Gdip_RotatePathAtCenter()
; - 11/10/2021 = more bug fixes; Gdip_CreatePath() now accepts passing a flat array object that defines the new path; some functions will now return values separated by pipe | instead of a comma [for better consistency across functions]
; - 09/10/2021 = [important release] major bug fixes for regressions introduced in previous version
; - 08/10/2021 = added more functions
; - 05/10/2021 = all functions that rely on CreatePointsF() or AllocateBinArray() can now handle being given an array or a string [to maintain compatibility); added Gdip_GaussianBlur(), Gdip_FillRoundedRectanglePath(), Gdip_DrawRoundedRectanglePath()
; - 24/08/2020 = Bug fixes and added Gdip_BlendBitmaps() and Gdip_SetAlphaChannel()
; - 05/06/2020 = Synchronized with mmikeww's repository and fixed a few bugs
; - 24/05/2020 = Added a few more functions and fixed or improved already exiting functions
; - 11/02/2020 = Imported updated MDMF functions from mmikeww, and AHK v2 examples, and other minor changes
; - 25/02/2020 = Added several new functions, including for color conversions [from Tidbit], improved/fixed several functions
; - 01/11/2019 = Implemented support for a private font file for Gdip_AddPathStringSimplified()
; - 28/10/2019 = Added 7 new GDI+ functions and fixes related to Gdip_CreateFontFamilyFromFile()
; - 27/10/2019 = Added 5 new GDI+ functions and bug fixes for Gdip_TestBitmapUniformity(), Gdip_RotateBitmapAtCenter() and Gdip_ResizeBitmap()
; - 06/10/2019 = Added more parameters to Gdip_GraphicsFromImage/HDC/HWND and added Gdip_GetPixelColor()
; - 27/09/2019 = bug fixes...
; - 23/09/2019 = Added 4 new functions and improved Gdip_CreateBitmap() [ Marius Șucan ]
; - 19/09/2019 = Added 4 new functions and improved Gdip_RotateBitmapAtCenter() [ Marius Șucan ]
; - 17/09/2019 = Added 6 new GDI+ functions and renamed curve related functions [ Marius Șucan ]
; - 16/09/2019 = Added 10 new GDI+ functions [ Marius Șucan ]
; - 15/09/2019 = Added 3 new GDI+ functions and improved Gdip_DrawStringAlongPolygon() [ Marius Șucan ]
; - 13/09/2019 = Added 10 new GDI+ functions [ Marius Șucan ]
; - 12/09/2019 = Added 6 new GDI+ functions [ Marius Șucan ]
; - 11/09/2019 = Added 10 new GDI+ functions [ Marius Șucan ]
; - 10/09/2019 = Added 17 new GDI+ functions [ Marius Șucan ]
; - 09/09/2019 = Added 14 new GDI+ functions [ Marius Șucan ]
; - 08/09/2019 = Added 3 new functions and fixed Gdip_SetPenDashArray() [ Marius Șucan ]
; - 07/09/2019 = Added 12 new functions [ Marius Șucan ]
; - 06/09/2019 = Added 14 new GDI+ functions [ Marius Șucan ]
; - 05/09/2019 = Added 27 new GDI+ functions [ Marius Șucan ]
; - 04/09/2019 = Added 36 new GDI+ functions [ Marius Șucan ]
; - 03/09/2019 = Added about 37 new GDI+ functions [ Marius Șucan ]
; - 29/08/2019 = Fixed Gdip_GetPropertyTagName() [on AHK v2], Gdip_GetPenColor() and Gdip_GetSolidFillColor(), added Gdip_LoadImageFromFile()
; - 23/08/2019 = Added Gdip_FillRoundedRectangle2() and Gdip_DrawRoundedRectangle2(); extracted from Gdip2 by Tariq [tic] and corrected functions names
; - 21/08/2019 = Added GenerateColorMatrix() by Marius Șucan
; - 19/08/2019 = Added 12 functions. Extracted from a class wrapper for GDI+ written by nnnik in 2017.
; - 18/08/2019 = Added Gdip_AddPathRectangle() and eight PathGradient related functions by JustMe
; - 16/08/2019 = Added Gdip_DrawImageFX(), Gdip_CreateEffect() and other related functions [ Marius Șucan ]
; - 15/08/2019 = Added Gdip_DrawRoundedLine() by DevX and Rabiator
; - 15/08/2019 = Added 11 GraphicsPath related functions by "Learning one" and updated by Marius Șucan
; - 14/08/2019 = Added Gdip_IsVisiblePathPoint() and RotateAtCenter() by RazorHalo
; - 08/08/2019 = Added Gdi_GetDIBits() and Gdi_CreateDIBitmap() by Marius Șucan
; - 19/07/2019 = Added Gdip_GetHistogram() by swagfag and GetProperty GDI+ functions by JustMe
; - 15/11/2017 = compatibility with both AHK v2 and v1, restored by nnnik
; - 19/06/2017 = Fixed few bugs from old syntax by Bartlomiej Uliasz
; - 11/06/2017 = made code compatible with new AHK v2.0-a079-be5df98 by Bartlomiej Uliasz
; - 27/01/2017 = fixed some bugs and made #Warn All compatible by Bartlomiej Uliasz
; - 20/11/2016 = fixed Gdip_BitmapFromBRA() by 'just me'
; - 18/11/2016 = backward compatible support for both AHK v1.1 and AHK v2
; - 15/11/2016 = initial AHK v2 support by guest3456
; - 20/02/2014 = fixed Gdip_CreateRegion() and Gdip_GetClipRegion() on AHK Unicode x86
; - 13/05/2013 = fixed Gdip_SetBitmapToClipboard() on AHK Unicode x64
; - 09/07/2011 = v1.45 release by tic (Tariq Porter)
; - 05/31/2008 = v1.01 release by tic (Tariq Porter)
;
;#####################################################################################
; STATUS ENUMERATION
; Return values for functions specified to have status enumerated return type
;#####################################################################################
;
; Ok = = 0
; GenericError = 1
; InvalidParameter = 2
; OutOfMemory = 3
; ObjectBusy = 4
; InsufficientBuffer = 5
; NotImplemented = 6
; Win32Error = 7
; WrongState = 8
; Aborted = 9
; FileNotFound = 10
; ValueOverflow = 11
; AccessDenied = 12
; UnknownImageFormat = 13
; FontFamilyNotFound = 14
; FontStyleNotFound = 15
; NotTrueTypeFont = 16
; UnsupportedGdiplusVersion= 17
; GdiplusNotInitialized = 18
; PropertyNotFound = 19
; PropertyNotSupported = 20
; ProfileNotFound = 21
;
;#####################################################################################
; FUNCTIONS LIST
; See functions-list.txt file.
;#####################################################################################
; Function: UpdateLayeredWindow
; Description: Updates a layered window with the handle to the DC of a gdi bitmap
;
; hwnd Handle of the layered window to update
; hdc Handle to the DC of the GDI bitmap to update the window with
; x, y x, y coordinates to place the window
; w, h Width and height of the window
; Alpha Default = 255 : The transparency (0-255) to set the window transparency
;
; return If the function succeeds, the return value is nonzero
;
; notes If x or y are omitted, the layered window will use its current coordinates
; If w or h are omitted, the current width and height will be used
UpdateLayeredWindow(hwnd, hdcSrc, x:="", y:="", w:="", h:="", Alpha:=255) {
if (x!="" && y!="")
CreatePointF(pt, x, y, "uint")
if (w="" || h="")
GetWindowRect(hwnd, W, H)
return DllCall("UpdateLayeredWindow"
, "UPtr", hwnd
, "UPtr", 0
, "UPtr", ((x = "") && (y = "")) ? 0 : &pt
, "int64*", w|h<<32
, "UPtr", hdcSrc
, "Int64*", 0
, "UInt", 0
, "UInt*", Alpha<<16|1<<24
, "UInt", 2)
}
;#####################################################################################
; Function BitBlt
; Description The BitBlt function performs a bit-block transfer of the color data corresponding to a rectangle
; of pixels from the specified source device context into a destination device context.
;
; dDC handle to destination DC
; dX, dY x, y coordinates of the destination upper-left corner
; dW, dH width and height of the area to copy
; sDC handle to source DC
; sX, sY x, y coordinates of the source upper-left corner
; Raster raster operation code
;
; return If the function succeeds, the return value is nonzero
;
; notes If no raster operation is specified, then SRCCOPY is used, which copies the source directly to the destination rectangle
;
; Raster operation codes:
; BLACKNESS = 0x00000042
; NOTSRCERASE = 0x001100A6
; NOTSRCCOPY = 0x00330008
; SRCERASE = 0x00440328
; DSTINVERT = 0x00550009
; PATINVERT = 0x005A0049
; SRCINVERT = 0x00660046
; SRCAND = 0x008800C6
; MERGEPAINT = 0x00BB0226
; MERGECOPY = 0x00C000CA
; SRCCOPY = 0x00CC0020
; SRCPAINT = 0x00EE0086
; PATCOPY = 0x00F00021
; PATPAINT = 0x00FB0A09
; WHITENESS = 0x00FF0062
; CAPTUREBLT = 0x40000000
; NOMIRRORBITMAP = 0x80000000
BitBlt(ddc, dx, dy, dw, dh, sdc, sx, sy, raster:="") {
; This function works only with GDI hBitmaps that
; are Device-Dependent Bitmaps [DDB].
return DllCall("gdi32\BitBlt"
, "UPtr", dDC
, "int", dX, "int", dY
, "int", dW, "int", dH
, "UPtr", sDC
, "int", sX, "int", sY
, "uint", Raster ? Raster : 0x00CC0020)
}
;#####################################################################################
; Function StretchBlt
; Description The StretchBlt function copies a bitmap from a source rectangle into a destination rectangle,
; stretching or compressing the bitmap to fit the dimensions of the destination rectangle, if necessary.
; The system stretches or compresses the bitmap according to the stretching mode currently set in the destination device context.
;
; ddc handle to destination DC
; dX, dY x, y coordinates of the destination upper-left corner
; dW, dH width and height of the destination rectangle
; sdc handle to source DC
; sX, sY x, y coordinates of the source upper-left corner
; sW, sH width and height of the source rectangle
; Raster raster operation code
;
; return If the function succeeds, the return value is nonzero
;
; notes If no raster operation is specified, then SRCCOPY is used. It uses the same raster operations as BitBlt
StretchBlt(ddc, dx, dy, dw, dh, sdc, sx, sy, sw, sh, Raster:="") {
return DllCall("gdi32\StretchBlt"
, "UPtr", ddc
, "int", dX, "int", dY
, "int", dW, "int", dH
, "UPtr", sdc
, "int", sX, "int", sY
, "int", sW, "int", sH
, "uint", Raster ? Raster : 0x00CC0020)
}
;#####################################################################################
; Function SetStretchBltMode
; Description The SetStretchBltMode function sets the bitmap stretching mode in the specified device context
;
; hdc handle to the DC
; iStretchMode The stretching mode, describing how the target will be stretched
;
; return If the function succeeds, the return value is the previous stretching mode. If it fails it will return 0
;
SetStretchBltMode(hdc, iStretchMode:=4) {
; iStretchMode options:
; BLACKONWHITE = 1
; COLORONCOLOR = 3
; HALFTONE = 4
; WHITEONBLACK = 2
; STRETCH_ANDSCANS = BLACKONWHITE
; STRETCH_DELETESCANS = COLORONCOLOR
; STRETCH_HALFTONE = HALFTONE
; STRETCH_ORSCANS = WHITEONBLACK
return DllCall("gdi32\SetStretchBltMode"
, "UPtr", hdc, "int", iStretchMode)
}
;#####################################################################################
; Function SetImage
; Description Associates a new image with a static control
;
; hwnd handle of the control to update
; hBitmap a gdi bitmap to associate the static control with
;
; return If the function succeeds, the return value is nonzero
SetImage(hwnd, hBitmap) {
; STM_SETIMAGE = 0x172
; Example: Gui, Add, Text, 0xE w500 h300 hwndhPic ; SS_Bitmap = 0xE
If (!hBitmap || !hwnd)
Return
E := DllCall("SendMessage", "UPtr", hwnd, "UInt", 0x172, "UInt", 0x0, Ptr, hBitmap)
DeleteObject(E)
return E
}
;#####################################################################################
; Function SetSysColorToControl
; Description Sets a solid colour to a control
;
; hwnd handle of the control to update
; SysColor A system colour to set to the control
;
; return If the function succeeds, the return value is zero
;
; notes A control must have the 0xE style set to it so it is recognised as a bitmap
; By default SysColor=15 is used which is COLOR_3DFACE. This is the standard background for a control
SetSysColorToControl(hwnd, SysColor:=15) {
; SysColor options:
; 3DDKSHADOW = 21
; 3DFACE = 15
; 3DHIGHLIGHT = 20
; 3DHILIGHT = 20
; 3DLIGHT = 22
; 3DSHADOW = 16
; ACTIVEBORDER = 10
; ACTIVECAPTION = 2
; APPWORKSPACE = 12
; BACKGROUND = 1
; BTNFACE = 15
; BTNHIGHLIGHT = 20
; BTNHILIGHT = 20
; BTNSHADOW = 16
; BTNTEXT = 18
; CAPTIONTEXT = 9
; DESKTOP = 1
; GRADIENTACTIVECAPTION 27
; GRADIENTINACTIVECAPTION = 28
; GRAYTEXT = 17
; HIGHLIGHT = 13
; HIGHLIGHTTEXT = 14
; HOTLIGHT = 26
; INACTIVEBORDER = 11
; INACTIVECAPTION = 3
; INACTIVECAPTIONTEXT = 19
; INFOBK = 24
; INFOTEXT = 23
; MENU = 4
; MENUHILIGHT = 29
; MENUBAR = 30
; MENUTEXT = 7
; SCROLLBAR = 0
; WINDOW = 5
; WINDOWFRAME = 6
; WINDOWTEXT = 8
GetWindowRect(hwnd, W, H)
bc := DllCall("GetSysColor", "Int", SysColor, "UInt")
pBrushClear := Gdip_BrushCreateSolid(0xff000000 | (bc >> 16 | bc & 0xff00 | (bc & 0xff) << 16))
pBitmap := Gdip_CreateBitmap(w, h)
G := Gdip_GraphicsFromImage(pBitmap)
Gdip_FillRectangle(G, pBrushClear, 0, 0, w, h)
hBitmap := Gdip_CreateHBITMAPFromBitmap(pBitmap)
SetImage(hwnd, hBitmap)
Gdip_DeleteBrush(pBrushClear)
Gdip_DeleteGraphics(G)
Gdip_DisposeImage(pBitmap)
DeleteObject(hBitmap)
return 0
}
;#####################################################################################
; Function Gdip_BitmapFromScreen
; Description Gets a gdi+ bitmap from the screen
;
; Screen 0 = All screens
; Any numerical value = Just that screen
; x|y|w|h = Take specific coordinates with a width and height
; Raster raster operation code
;
; return If the function succeeds, the return value is a pointer to a gdi+ bitmap
; -1: one or more of x,y,w,h parameters were not passed properly
;
; notes If no raster operation is specified, then SRCCOPY is used to the returned bitmap
Gdip_BitmapFromScreen(Screen:=0, Raster:="") {
hhdc := 0
if (Screen = 0)
{
_x := DllCall("GetSystemMetrics", "Int", 76)
_y := DllCall("GetSystemMetrics", "Int", 77)
_w := DllCall("GetSystemMetrics", "Int", 78)
_h := DllCall("GetSystemMetrics", "Int", 79)
} else if (SubStr(Screen, 1, 5) = "hwnd:")
{
hwnd := SubStr(Screen, 6)
if !WinExist("ahk_id " hwnd)
return -2
GetWindowRect(hwnd, _w, _h)
_x := _y := 0
hhdc := GetDCEx(hwnd, 3)
} else if IsInteger(Screen)
{
M := GetMonitorInfo(Screen)
_x := M.Left, _y := M.Top, _w := M.Right-M.Left, _h := M.Bottom-M.Top
} else
{
S := StrSplit(Screen, "|")
_x := S[1], _y := S[2], _w := S[3], _h := S[4]
}
if (_x = "") || (_y = "") || (_w = "") || (_h = "")
return -1
chdc := CreateCompatibleDC()
hbm := CreateDIBSection(_w, _h, chdc)
obm := SelectObject(chdc, hbm)
hhdc := hhdc ? hhdc : GetDC()
BitBlt(chdc, 0, 0, _w, _h, hhdc, _x, _y, Raster)
ReleaseDC(hhdc)
pBitmap := Gdip_CreateBitmapFromHBITMAP(hbm)
SelectObject(chdc, obm), DeleteObject(hbm), DeleteDC(hhdc), DeleteDC(chdc)
return pBitmap
}
;#####################################################################################
; Function Gdip_BitmapFromHWND
; Description Uses PrintWindow to get a handle to the specified window and return a bitmap from it
;
; hwnd handle to the window to get a bitmap from
; clientOnly capture only the client area of the window, without title bar and border
;
; return If the function succeeds, the return value is a pointer to a gdi+ bitmap
Gdip_BitmapFromHWND(hwnd, clientOnly:=0) {
; Restore the window if minimized! Must be visible for capture.
if DllCall("IsIconic", "ptr", hwnd)
DllCall("ShowWindow", "ptr", hwnd, "int", 4)
thisFlag := 0
If (clientOnly=1)
{
VarSetCapacity(rc, 16, 0)
DllCall("GetClientRect", "ptr", hwnd, "ptr", &rc)
Width := NumGet(rc, 8, "int")
Height := NumGet(rc, 12, "int")
thisFlag := 1
} Else GetWindowRect(hwnd, Width, Height)
hbm := CreateDIBSection(Width, Height)
hdc := CreateCompatibleDC()
obm := SelectObject(hdc, hbm)
PrintWindow(hwnd, hdc, 2 + thisFlag)
pBitmap := Gdip_CreateBitmapFromHBITMAP(hbm)
SelectObject(hdc, obm), DeleteObject(hbm), DeleteDC(hdc)
return pBitmap
}
;#####################################################################################
; Function CreateRectF
; Description Creates a RectF object, containing a the coordinates and dimensions of a rectangle
;
; RectF Name to call the RectF object
; x, y x, y coordinates of the upper left corner of the rectangle
; w, h Width and height of the rectangle
;
; return No return value
CreateRectF(ByRef RectF, x, y, w, h, dtype:="float", ds:=4) {
VarSetCapacity(RectF, ds*4)
NumPut(x, RectF, 0, dtype), NumPut(y, RectF, ds, dtype)
NumPut(w, RectF, ds*2, dtype), NumPut(h, RectF, ds*3, dtype)
}
RetrieveRectF(ByRef RectF, dtype:="float", ds:=4) {
rData := {}
rData.x := NumGet(&RectF, 0, dtype)
rData.y := NumGet(&RectF, ds, dtype)
rData.w := NumGet(&RectF, ds*2, dtype)
rData.h := NumGet(&RectF, ds*3, dtype)
return rData
}
;#####################################################################################
; Function CreatePointF
; Description Creates a SizeF object, containing two values
;
; SizeF Name to call the SizeF object
; x, y x, y values for the SizeF object
;
; return No Return value
CreatePointF(ByRef PointF, x, y, dtype:="float", ds:=4) {
VarSetCapacity(PointF, ds*2)
NumPut(x, PointF, 0, dtype)
NumPut(y, PointF, ds, dtype)
}
CreatePointsF(ByRef PointsF, inPoints, dtype:="float", ds:=4) {
If IsObject(inPoints)
{
PointsCount := inPoints.Length()
VarSetCapacity(PointsF, ds * PointsCount, 0)
Loop % PointsCount
NumPut(inPoints[A_Index], &PointsF, ds * (A_Index-1), dtype)
Return PointsCount//2
} Else
{
dss := ds*2
Points := StrSplit(inPoints, "|")
PointsCount := Points.Length()
VarSetCapacity(PointsF, dss * PointsCount, 0)
for eachPoint, Point in Points
{
Coord := StrSplit(Point, ",")
NumPut(Coord[1], &PointsF, dss * (A_Index-1), dtype)
NumPut(Coord[2], &PointsF, (dss * (A_Index-1)) + ds, dtype)
}
Return PointsCount
}
}
AllocateBinArray(ByRef BinArray, inArray, dtype:="float", ds:=4) {
; ds = data size
; dtypes and their corresponding ds
; "Int64" : 8, "Char" : 1
; , "UChar" : 1, "Short" : 2
; , "UShort" : 2, "Int" : 4
; , "UInt" : 4, "Float" : 4
; , "Double" : 8, "Ptr" : A_PtrSize
; , "UPtr" : A_PtrSize
; function inspired by MCL's CreateBinArray()
If IsObject(inArray)
{
totals := inArray.Length()
VarSetCapacity(BinArray, ds * totals, 0)
Loop %totals%
NumPut(inArray[A_Index], &BinArray, ds * (A_Index - 1), dtype)
} Else
{
arrayElements := StrSplit(inArray, "|")
totals := arrayElements.Length()
VarSetCapacity(BinArray, ds * totals, 0)
Loop %totals%
NumPut(arrayElements[A_Index], &BinArray, ds * (A_Index - 1), dtype)
}
Return totals
}
;#####################################################################################
; Function CreateDIBSection
; Description The CreateDIBSection function creates a DIB (Device Independent Bitmap) that applications can write to directly
;
; w, h width and height of the bitmap to create
; hdc a handle to the device context to use the palette from
; bpp bits per pixel (32 = ARGB)
; ppvBits A pointer to a variable that receives a pointer to the location of the DIB bit values
;
; return returns a DIB. A gdi bitmap
;
; notes ppvBits will receive the location of the pixels in the DIB
CreateDIBSection(w, h, hdc:="", bpp:=32, ByRef ppvBits:=0, Usage:=0, hSection:=0, Offset:=0) {
; A GDI function that creates a new hBitmap,
; a device-independent bitmap [DIB].
; A DIB consists of two distinct parts:
; a BITMAPINFO structure describing the dimensions
; and colors of the bitmap, and an array of bytes
; defining the pixels of the bitmap.
hdc2 := hdc ? hdc : GetDC()
VarSetCapacity(bi, 40, 0)
NumPut(40, bi, 0, "uint")
NumPut(w, bi, 4, "uint")
NumPut(h, bi, 8, "uint")
NumPut(1, bi, 12, "ushort")
NumPut(bpp, bi, 14, "ushort")
NumPut(0, bi, 16, "uInt")
hbm := DllCall("CreateDIBSection"
, "UPtr", hdc2
, "UPtr", &bi ; BITMAPINFO
, "UInt", Usage
, "UPtr*", ppvBits
, "UPtr", hSection
, "UInt", OffSet, "UPtr")
if !hdc
ReleaseDC(hdc2)
return hbm
}
;#####################################################################################
; Function PrintWindow
; Description The PrintWindow function copies a visual window into the specified device context (DC), typically a printer DC
;
; hwnd A handle to the window that will be copied
; hdc A handle to the device context
; Flags Drawing options
;
; return If the function succeeds, it returns a nonzero value
;
; PW_CLIENTONLY = 1
PrintWindow(hwnd, hdc, Flags:=2) {
; set Flags to 2, to capture hardware accelerated windows
; this only applies on Windows 8.1 and later versions.
If ((A_OSVersion="WIN_XP" || A_OSVersion="WIN_2000" || A_OSVersion="WIN_2003") && flags=2)
flags := 0
return DllCall("PrintWindow", "UPtr", hwnd, "UPtr", hdc, "uint", Flags)
}
;#####################################################################################
; Function DestroyIcon
; Description Destroys an icon and frees any memory the icon occupied
;
; hIcon Handle to the icon to be destroyed. The icon must not be in use
;
; return If the function succeeds, the return value is nonzero
DestroyIcon(hIcon) {
return DllCall("DestroyIcon", "UPtr", hIcon)
}
;#####################################################################################
; Function: GetIconDimensions
; Description: Retrieves a given icon/cursor's width and height
;
; hIcon Pointer to an icon or cursor
; Width, Height ByRef variables. These variables are set to the icon's width and height
;
; return If the function succeeds, the return value is zero, otherwise:
; -1 = Could not retrieve the icon's info. Check A_LastError for extended information
; -2 = Could not delete the icon's bitmask bitmap
; -3 = Could not delete the icon's color bitmap
GetIconDimensions(hIcon, ByRef Width, ByRef Height) {
Width := Height := 0
VarSetCapacity(ICONINFO, size := 16 + 2 * A_PtrSize, 0)
if !DllCall("user32\GetIconInfo", "UPtr", hIcon, "UPtr", &ICONINFO)
return -1
hbmMask := NumGet(&ICONINFO, 16, "UPtr")
hbmColor := NumGet(&ICONINFO, 16 + A_PtrSize, "UPtr")
VarSetCapacity(BITMAP, size, 0)
if DllCall("gdi32\GetObject", "UPtr", hbmColor, "Int", size, "UPtr", &BITMAP)
{
Width := NumGet(&BITMAP, 4, "Int")
Height := NumGet(&BITMAP, 8, "Int")
}
if !DeleteObject(hbmMask)
return -2
if !DeleteObject(hbmColor)
return -3
return 0
}
PaintDesktop(hdc) {
return DllCall("PaintDesktop", "UPtr", hdc)
}
;#####################################################################################
; Function CreateCompatibleDC
; Description This function creates a memory device context (DC) compatible with the specified device
;
; hdc Handle to an existing device context
;
; return returns the handle to a device context or 0 on failure
;
; notes If this handle is 0 (by default), the function creates a memory device context compatible with the application's current screen
CreateCompatibleDC(hdc:=0) {
return DllCall("CreateCompatibleDC", "UPtr", hdc)
}
;#####################################################################################
; Function SelectObject
; Description The SelectObject function selects an object into the specified device context (DC). The new object replaces the previous object of the same type
;
; hdc Handle to a DC
; hgdiobj A handle to the object to be selected into the DC
;
; return If the selected object is not a region and the function succeeds, the return value is a handle to the object being replaced
;
; notes The specified object must have been created by using one of the following functions
; Bitmap - CreateBitmap, CreateBitmapIndirect, CreateCompatibleBitmap, CreateDIBitmap, CreateDIBSection (A single bitmap cannot be selected into more than one DC at the same time)
; Brush - CreateBrushIndirect, CreateDIBPatternBrush, CreateDIBPatternBrushPt, CreateHatchBrush, CreatePatternBrush, CreateSolidBrush
; Font - CreateFont, CreateFontIndirect
; Pen - CreatePen, CreatePenIndirect
; Region - CombineRgn, CreateEllipticRgn, CreateEllipticRgnIndirect, CreatePolygonRgn, CreateRectRgn, CreateRectRgnIndirect
;
; notes If the selected object is a region and the function succeeds, the return value is one of the following value
;
; SIMPLEREGION = 2 Region consists of a single rectangle
; COMPLEXREGION = 3 Region consists of more than one rectangle
; NULLREGION = 1 Region is empty
SelectObject(hdc, hgdiobj) {
return DllCall("SelectObject", "UPtr", hdc, "UPtr", hgdiobj)
}
;#####################################################################################
; Function DeleteObject
; Description This function deletes a logical pen, brush, font, bitmap, region, or palette, freeing all system resources associated with the object
; After the object is deleted, the specified handle is no longer valid
;
; hObject Handle to a logical pen, brush, font, bitmap, region, or palette to delete
;
; return Nonzero indicates success. Zero indicates that the specified handle is not valid or that the handle is currently selected into a device context
DeleteObject(hObject) {
return DllCall("DeleteObject", "UPtr", hObject)
}
;#####################################################################################
; Function GetDC
; Description This function retrieves a handle to a display device context (DC) for the client area of the specified window.
; The display device context can be used in subsequent graphics display interface (GDI) functions to draw in the client area of the window.
;
; hwnd Handle to the window whose device context is to be retrieved. If this value is NULL, GetDC retrieves the device context for the entire screen
;
; return The handle the device context for the specified window's client area indicates success. NULL indicates failure
GetDC(hwnd:=0) {
return DllCall("GetDC", "UPtr", hwnd)
}
GetDCEx(hwnd, flags:=0, hrgnClip:=0) {
; Device Context extended flags:
; DCX_CACHE = 0x2
; DCX_CLIPCHILDREN = 0x8
; DCX_CLIPSIBLINGS = 0x10
; DCX_EXCLUDERGN = 0x40
; DCX_EXCLUDEUPDATE = 0x100
; DCX_INTERSECTRGN = 0x80
; DCX_INTERSECTUPDATE = 0x200
; DCX_LOCKWINDOWUPDATE = 0x400
; DCX_NORECOMPUTE = 0x100000
; DCX_NORESETATTRS = 0x4
; DCX_PARENTCLIP = 0x20
; DCX_VALIDATE = 0x200000
; DCX_WINDOW = 0x1
return DllCall("GetDCEx", "UPtr", hwnd, "UPtr", hrgnClip, "int", flags)
}
;#####################################################################################
; Function ReleaseDC
; Description This function releases a device context (DC), freeing it for use by other applications. The effect of ReleaseDC depends on the type of device context
;
; hdc Handle to the device context to be released
; hwnd Handle to the window whose device context is to be released
;
; return 1 = released
; 0 = not released
;
; notes The application must call the ReleaseDC function for each call to the GetWindowDC function and for each call to the GetDC function that retrieves a common device context
; An application cannot use the ReleaseDC function to release a device context that was created by calling the CreateDC function; instead, it must use the DeleteDC function.
ReleaseDC(hdc, hwnd:=0) {
return DllCall("ReleaseDC", "UPtr", hwnd, "UPtr", hdc)
}
;#####################################################################################
; Function DeleteDC
; Description The DeleteDC function deletes the specified device context (DC)
;
; hdc A handle to the device context
;
; return If the function succeeds, the return value is nonzero
;
; notes An application must not delete a DC whose handle was obtained by calling the GetDC function. Instead, it must call the ReleaseDC function to free the DC
DeleteDC(hdc) {
return DllCall("DeleteDC", "UPtr", hdc)
}
;#####################################################################################
; Function Gdip_LibraryVersion
; Description Get the current library version
;
; return the library version
;
; notes This is useful for non compiled programs to ensure that a person doesn't run an old version when testing your scripts
Gdip_LibraryVersion() {
return 1.45
}
;#####################################################################################
; Function Gdip_LibrarySubVersion
; Description Get the current library sub version
;
; return the library sub version
;
; notes This is the sub-version currently maintained by Rseding91
; Updated by guest3456 preliminary AHK v2 support
; Updated by Marius Șucan reflecting the work on Gdip_all extended compilation
Gdip_LibrarySubVersion() {
return 1.92 ; 28/10/2021
}
;#####################################################################################
; Function: Gdip_BitmapFromBRA
; Description: Gets a pointer to a gdi+ bitmap from a BRA file
;
; BRAFromMemIn The variable for a BRA file read to memory
; File The name of the file, or its number that you would like (This depends on alternate parameter)
; Alternate Changes whether the File parameter is the file name or its number
;
; return If the function succeeds, the return value is a pointer to a gdi+ bitmap
; -1 = The BRA variable is empty
; -2 = The BRA has an incorrect header
; -3 = The BRA has information missing
; -4 = Could not find file inside the BRA
Gdip_BitmapFromBRA(ByRef BRAFromMemIn, File, Alternate := 0) {
pBitmap := 0
pStream := 0
If !(BRAFromMemIn)
Return -1
Headers := StrSplit(StrGet(&BRAFromMemIn, 256, "CP0"), "`n")
Header := StrSplit(Headers.1, "|")
If (Header.Length() != 4) || (Header.2 != "BRA!")
Return -2
_Info := StrSplit(Headers.2, "|")
If (_Info.Length() != 3)
Return -3
OffsetTOC := StrPut(Headers.1, "CP0") + StrPut(Headers.2, "CP0") ; + 2
OffsetData := _Info.2
SearchIndex := Alternate ? 1 : 2
TOC := StrGet(&BRAFromMemIn + OffsetTOC, OffsetData - OffsetTOC - 1, "CP0")
RX1 := A_AhkVersion < "2" ? "mi`nO)^" : "mi`n)^"
Offset := Size := 0
If RegExMatch(TOC, RX1 . (Alternate ? File "\|.+?" : "\d+\|" . File) . "\|(\d+)\|(\d+)$", FileInfo) {
Offset := OffsetData + FileInfo.1
Size := FileInfo.2
}
If (Size=0)
Return -4
hData := DllCall("GlobalAlloc", "UInt", 2, "UInt", Size, "UPtr")
pData := DllCall("GlobalLock", "Ptr", hData, "UPtr")
DllCall("RtlMoveMemory", "Ptr", pData, "Ptr", &BRAFromMemIn + Offset, "Ptr", Size)
DllCall("GlobalUnlock", "Ptr", hData)
DllCall("Ole32.dll\CreateStreamOnHGlobal", "Ptr", hData, "Int", 1, "PtrP", pStream)
pBitmap := Gdip_CreateBitmapFromStream(pStream)
ObjRelease(pStream)
Return pBitmap
}
;#####################################################################################
; Function: Gdip_BitmapToBase64
; Description: Creates a Base64 encoded string from a pBitmap.
;
; pBitmap The handle of a GDI+ image object
; Format The format or encoder to use. Supported extensions and formats: BMP, DIB, RLE, JPG, JPEG, JPE, JFIF, GIF, TIF, TIFF, PNG
; Quality If saving as jpg (.JPG,.JPEG,.JPE,.JFIF) then quality can be 1-100
;
; return If the function succeeds, the base64 encoded string is returned. otherwise:
; -1 = Extension supplied is not a supported image file encoder
; -2 = Could not get a list of encoders on system
; -3 = Could not find matching encoder for specified file format
; -6 = Could not save image to stream [for base64]
; -7 = Could not convert to base64
Gdip_BitmapToBase64(pBitmap, Format, Quality:=90) {
Format := "none." Format
Return Gdip_SaveBitmapToFile(pBitmap, Format, Quality, 1)
}
;#####################################################################################
; Function: Gdip_BitmapFromBase64
; Description: Creates a bitmap from a Base64 encoded string
;
; Base64 ByRef variable. Base64 encoded string. Immutable, ByRef to avoid performance overhead of passing long strings.
;
; return If the function succeeds, the return value is a pointer to a bitmap, otherwise:
; -1 = Could not calculate the length of the required buffer
; -2 = Could not decode the Base64 encoded string
; -3 = Could not create a memory stream
Gdip_BitmapFromBase64(ByRef Base64) {
pBitmap := 0
DecLen := 0
; calculate the length of the buffer needed
if !(DllCall("crypt32\CryptStringToBinary", "UPtr", &Base64, "UInt", 0, "UInt", 0x01, "UPtr", 0, "UIntP", DecLen, "UPtr", 0, "UPtr", 0))
return -1
; decode the Base64 encoded string
VarSetCapacity(Dec, DecLen, 0)
if !(DllCall("crypt32\CryptStringToBinary", "UPtr", &Base64, "UInt", 0, "UInt", 0x01, "UPtr", &Dec, "UIntP", DecLen, "UPtr", 0, "UPtr", 0))
return -2
; create a memory stream
if !(pStream := DllCall("shlwapi\SHCreateMemStream", "UPtr", &Dec, "UInt", DecLen, "UPtr"))
return -3
pBitmap := Gdip_CreateBitmapFromStream(pStream, 1)
ObjRelease(pStream)
return pBitmap
}
Gdip_CreateBitmapFromStream(pStream, useICM:=0) {
pBitmap := 0
function2call := (useICM=1) ? "ICM" : ""
gdipLastError := DllCall("gdiplus\GdipCreateBitmapFromStream" function2call, "UPtr", pStream, "PtrP", pBitmap)
Return pBitmap
}
;#####################################################################################
; Function Gdip_DrawRectangle
; Description This function uses a pen to draw the outline of a rectangle into the Graphics of a bitmap
;
; pGraphics Pointer to the Graphics of a bitmap
; pPen Pointer to a pen
; x, y x, y coordinates of the top left of the rectangle
; w, h width and height of the rectangle
;
; return status enumeration. 0 = success
;
; notes as all coordinates are taken from the top left of each pixel, then the entire width/height should be specified as subtracting the pen width
Gdip_DrawRectangle(pGraphics, pPen, x, y, w, h:=0) {
If (!pGraphics || !pPen || !w)
Return 2
if (h<=0 || !h)
h := w
Return DllCall("gdiplus\GdipDrawRectangle", "UPtr", pGraphics, "UPtr", pPen, "float", x, "float", y, "float", w, "float", h)
}
Gdip_DrawRectangleC(pGraphics, pPen, cx, cy, rx, ry := "") {
If (ry == "")
ry := rx
Return Gdip_DrawRectangle(pGraphics, pPen, cx-rx, cy-ry, rx*2, ry*2)
}
;#####################################################################################
; Function Gdip_DrawRoundedRectangle
; Description This function uses a pen to draw the outline of a rounded rectangle into the Graphics of a bitmap
;
; pGraphics Pointer to the Graphics of a bitmap
; pPen Pointer to a pen
; x, y x, y coordinates of the top left of the rounded rectangle
; w, h width and height of the rectanlge
; r radius of the rounded corners
;