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Gdip_All.ahk
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Gdip_All.ahk
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#Requires AutoHotKey v2.0-beta.3
; Gdip version from https://github.com/buliasz/AHKv2-Gdip/pulls
; AHK_User: Modified some functions for V2 (Create always variable ImageAttr, and Align |= A_Index//2.1 changed to Align |= A_Index*10//21) on30/01/2022
; Gdip standard library v1.54 on 11/15/2017
; Gdip standard library v1.53 on 6/19/2017
; Gdip standard library v1.52 on 6/11/2017
; Gdip standard library v1.51 on 1/27/2017
; Gdip standard library v1.50 on 11/20/16
; Gdip standard library v1.45 by tic (Tariq Porter) 07/09/11
; Modifed by Rseding91 using fincs 64 bit compatible Gdip library 5/1/2013
; Supports: Basic, _L ANSi, _L Unicode x86 and _L Unicode x64
;
; Updated 11/15/2017 - compatibility with both AHK v2 and v1, restored by nnnik
; Updated 6/19/2017 - Fixed few bugs from old syntax by Bartlomiej Uliasz
; Updated 6/11/2017 - made code compatible with new AHK v2.0-a079-be5df98 by Bartlomiej Uliasz
; Updated 1/27/2017 - fixed some bugs and made #Warn All compatible by Bartlomiej Uliasz
; Updated 11/20/2016 - fixed Gdip_BitmapFromBRA() by 'just me'
; Updated 11/18/2016 - backward compatible support for both AHK v1.1 and AHK v2
; Updated 11/15/2016 - initial AHK v2 support by guest3456
; Updated 2/20/2014 - fixed Gdip_CreateRegion() and Gdip_GetClipRegion() on AHK Unicode x86
; Updated 5/13/2013 - fixed Gdip_SetBitmapToClipboard() on AHK Unicode x64
;
;#####################################################################################
;#####################################################################################
; 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
;#####################################################################################
;
; UpdateLayeredWindow(hwnd, hdc, x:="", y:="", w:="", h:="", Alpha:=255)
; BitBlt(ddc, dx, dy, dw, dh, sdc, sx, sy, Raster:="")
; StretchBlt(dDC, dx, dy, dw, dh, sDC, sx, sy, sw, sh, Raster:="")
; SetImage(hwnd, hBitmap)
; Gdip_BitmapFromScreen(Screen:=0, Raster:="")
; CreateRectF(ByRef RectF, x, y, w, h)
; CreateSizeF(ByRef SizeF, w, h)
; CreateDIBSection
;
;#####################################################################################
; 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
; Layeredx x position to place the window
; Layeredy y position to place the window
; Layeredw Width of the window
; Layeredh 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 omitted, then layered window will use its current coordinates
; if w or h omitted then current width and height will be used
UpdateLayeredWindow(hwnd, hdc, x:="", y:="", w:="", h:="", Alpha:=255)
{
if ((x != "") && (y != ""))
pt := Buffer(8), NumPut("UInt", x, pt, 0), NumPut("UInt", y, pt, 4)
if (w = "") || (h = "")
{
CreateRect(&winRect:="", 0, 0, 0, 0) ;is 16 on both 32 and 64
DllCall( "GetWindowRect", "UPtr", hwnd, "UPtr", winRect.Ptr )
w := NumGet(winRect, 8, "UInt") - NumGet(winRect, 0, "UInt")
h := NumGet(winRect, 12, "UInt") - NumGet(winRect, 4, "UInt")
}
return DllCall("UpdateLayeredWindow"
, "UPtr", hwnd
, "UPtr", 0
, "UPtr", ((x = "") && (y = "")) ? 0 : pt.Ptr
, "Int64*", w|h<<32
, "UPtr", hdc
, "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 x-coord of destination upper-left corner
; dy y-coord of destination upper-left corner
; dw width of the area to copy
; dh height of the area to copy
; sDC handle to source DC
; sx x-coordinate of source upper-left corner
; sy y-coordinate of 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
;
; 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:="")
{
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 x-coord of destination upper-left corner
; dy y-coord of destination upper-left corner
; dw width of destination rectangle
; dh height of destination rectangle
; sdc handle to source DC
; sx x-coordinate of source upper-left corner
; sy y-coordinate of source upper-left corner
; sw width of source rectangle
; sh height of 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
;
; STRETCH_ANDSCANS = 0x01
; STRETCH_ORSCANS = 0x02
; STRETCH_DELETESCANS = 0x03
; STRETCH_HALFTONE = 0x04
SetStretchBltMode(hdc, iStretchMode:=4)
{
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)
{
E := DllCall( "SendMessage", "UPtr", hwnd, "UInt", 0x172, "UInt", 0x0, "UPtr", 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
;
; COLOR_3DDKSHADOW = 21
; COLOR_3DFACE = 15
; COLOR_3DHIGHLIGHT = 20
; COLOR_3DHILIGHT = 20
; COLOR_3DLIGHT = 22
; COLOR_3DSHADOW = 16
; COLOR_ACTIVEBORDER = 10
; COLOR_ACTIVECAPTION = 2
; COLOR_APPWORKSPACE = 12
; COLOR_BACKGROUND = 1
; COLOR_BTNFACE = 15
; COLOR_BTNHIGHLIGHT = 20
; COLOR_BTNHILIGHT = 20
; COLOR_BTNSHADOW = 16
; COLOR_BTNTEXT = 18
; COLOR_CAPTIONTEXT = 9
; COLOR_DESKTOP = 1
; COLOR_GRADIENTACTIVECAPTION = 27
; COLOR_GRADIENTINACTIVECAPTION = 28
; COLOR_GRAYTEXT = 17
; COLOR_HIGHLIGHT = 13
; COLOR_HIGHLIGHTTEXT = 14
; COLOR_HOTLIGHT = 26
; COLOR_INACTIVEBORDER = 11
; COLOR_INACTIVECAPTION = 3
; COLOR_INACTIVECAPTIONTEXT = 19
; COLOR_INFOBK = 24
; COLOR_INFOTEXT = 23
; COLOR_MENU = 4
; COLOR_MENUHILIGHT = 29
; COLOR_MENUBAR = 30
; COLOR_MENUTEXT = 7
; COLOR_SCROLLBAR = 0
; COLOR_WINDOW = 5
; COLOR_WINDOWFRAME = 6
; COLOR_WINDOWTEXT = 8
SetSysColorToControl(hwnd, SysColor:=15)
{
CreateRect(&winRect:="", 0, 0, 0, 0) ;is 16 on both 32 and 64
DllCall( "GetWindowRect", "UPtr", hwnd, "UPtr", winRect.Ptr )
w := NumGet(winRect, 8, "UInt") - NumGet(winRect, 0, "UInt")
h := NumGet(winRect, 12, "UInt") - NumGet(winRect, 4, "UInt")
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 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:")
{
Screen := SubStr(Screen, 6)
if !WinExist("ahk_id " Screen) {
return -2
}
CreateRect(&winRect:="", 0, 0, 0, 0) ;is 16 on both 32 and 64
DllCall( "GetWindowRect", "UPtr", Screen, "UPtr", winRect.Ptr )
_w := NumGet(winRect, 8, "UInt") - NumGet(winRect, 0, "UInt")
_h := NumGet(winRect, 12, "UInt") - NumGet(winRect, 4, "UInt")
_x := _y := 0
hhdc := GetDCEx(Screen, 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
;
; return if the function succeeds, the return value is a pointer to a gdi+ bitmap
;
; notes Window must not be not minimised in order to get a handle to it's client area
Gdip_BitmapFromHWND(hwnd)
{
CreateRect(&winRect:="", 0, 0, 0, 0) ;is 16 on both 32 and 64
DllCall( "GetWindowRect", "UPtr", hwnd, "UPtr", winRect.Ptr )
Width := NumGet(winRect, 8, "UInt") - NumGet(winRect, 0, "UInt")
Height := NumGet(winRect, 12, "UInt") - NumGet(winRect, 4, "UInt")
hbm := CreateDIBSection(Width, Height), hdc := CreateCompatibleDC(), obm := SelectObject(hdc, hbm)
PrintWindow(hwnd, hdc)
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 x-coordinate of the upper left corner of the rectangle
; y y-coordinate of the upper left corner of the rectangle
; w Width of the rectangle
; h Height of the rectangle
;
; return No return value
CreateRectF(&RectF, x, y, w, h)
{
RectF := Buffer(16)
NumPut("Float", x, RectF, 0), NumPut("Float", y, RectF, 4), NumPut("Float", w, RectF, 8), NumPut("Float", h, RectF, 12)
}
;#####################################################################################
; Function CreateRect
; Description Creates a Rect object, containing a the coordinates and dimensions of a rectangle
;
; RectF Name to call the RectF object
; x x-coordinate of the upper left corner of the rectangle
; y y-coordinate of the upper left corner of the rectangle
; w Width of the rectangle
; h Height of the rectangle
;
; return No return value
CreateRect(&Rect, x, y, w, h)
{
Rect := Buffer(16)
NumPut("UInt", x, Rect, 0), NumPut("UInt", y, Rect, 4), NumPut("UInt", w, Rect, 8), NumPut("UInt", h, Rect, 12)
}
;#####################################################################################
; Function CreateSizeF
; Description Creates a SizeF object, containing an 2 values
;
; SizeF Name to call the SizeF object
; w w-value for the SizeF object
; h h-value for the SizeF object
;
; return No Return value
CreateSizeF(&SizeF, w, h)
{
SizeF := Buffer(8)
NumPut("Float", w, SizeF, 0), NumPut("Float", h, SizeF, 4)
}
;#####################################################################################
; Function CreatePointF
; Description Creates a SizeF object, containing an 2 values
;
; SizeF Name to call the SizeF object
; w w-value for the SizeF object
; h h-value for the SizeF object
;
; return No Return value
CreatePointF(&PointF, x, y)
{
PointF := Buffer(8)
NumPut("Float", x, PointF, 0), NumPut("Float", y, PointF, 4)
}
;#####################################################################################
; Function CreateDIBSection
; Description The CreateDIBSection function creates a DIB (Device Independent Bitmap) that applications can write to directly
;
; w width of the bitmap to create
; h 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, &ppvBits:=0)
{
hdc2 := hdc ? hdc : GetDC()
bi := Buffer(40, 0)
NumPut("UInt", w, bi, 4)
, NumPut("UInt", h, bi, 8)
, NumPut("UInt", 40, bi, 0)
, NumPut("ushort", 1, bi, 12)
, NumPut("uInt", 0, bi, 16)
, NumPut("ushort", bpp, bi, 14)
hbm := DllCall("CreateDIBSection"
, "UPtr", hdc2
, "UPtr", bi.Ptr
, "UInt", 0
, "UPtr*", &ppvBits
, "UPtr", 0
, "UInt", 0, "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:=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 ByRef variable. This variable is set to the icon's width
; Height ByRef variable. This variable is set to the icon's 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, &Width:=0, &Height:=0) {
ICONINFO := Buffer(size := 16 + 2 * A_PtrSize, 0)
if !DllCall("user32\GetIconInfo", "UPtr", hIcon, "UPtr", ICONINFO.Ptr) {
return -1
}
hbmMask := NumGet(ICONINFO.Ptr, 16, "UPtr")
hbmColor := NumGet(ICONINFO.Ptr, 16 + A_PtrSize, "UPtr")
BITMAP := Buffer(size, 0)
if DllCall("gdi32\GetObject", "UPtr", hbmColor, "Int", size, "UPtr", BITMAP.Ptr) {
Width := NumGet(BITMAP.Ptr, 4, "Int")
Height := NumGet(BITMAP.Ptr, 8, "Int")
}
if !DllCall("gdi32\DeleteObject", "UPtr", hbmMask) {
return -2
}
if !DllCall("gdi32\DeleteObject", "UPtr", hbmColor) {
return -3
}
return 0
}
;#####################################################################################
PaintDesktop(hdc)
{
return DllCall("PaintDesktop", "UPtr", hdc)
}
;#####################################################################################
CreateCompatibleBitmap(hdc, w, h)
{
return DllCall("gdi32\CreateCompatibleBitmap", "UPtr", hdc, "Int", w, "Int", h)
}
;#####################################################################################
; 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)
}
;#####################################################################################
; 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
GetDCEx(hwnd, flags:=0, hrgnClip:=0)
{
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
Gdip_LibrarySubVersion()
{
return 1.54
}
;#####################################################################################
; 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(&BRAFromMemIn, File, Alternate := 0) {
if (!BRAFromMemIn) {
return -1
}
Headers := StrSplit(StrGet(BRAFromMemIn.Ptr, 256, "CP0"), "`n")
Header := StrSplit(Headers[1], "|")
HeaderLength := Header.Length
if (HeaderLength != 4) || (Header[2] != "BRA!") {
return -2
}
_Info := StrSplit(Headers[2], "|")
_InfoLength := _Info.Length
if (_InfoLength != 3) {
return -3
}
OffsetTOC := StrPut(Headers[1], "CP0") + StrPut(Headers[2], "CP0") ; + 2
OffsetData := _Info[2]
SearchIndex := Alternate ? 1 : 2
TOC := StrGet(BRAFromMemIn.Ptr + OffsetTOC, OffsetData - OffsetTOC - 1, "CP0")
RX1 := "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.Ptr + Offset, "Ptr", Size)
DllCall("GlobalUnlock", "Ptr", hData)
DllCall("Ole32.dll\CreateStreamOnHGlobal", "Ptr", hData, "Int", 1, "Ptr*", &pStream:=0)
DllCall("Gdiplus.dll\GdipCreateBitmapFromStream", "Ptr", pStream, "Ptr*", &pBitmap:=0)
ObjRelease(pStream)
return pBitmap
}
;#####################################################################################
; 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(&Base64)
{
; calculate the length of the buffer needed
if !(DllCall("crypt32\CryptStringToBinary", "UPtr", StrPtr(Base64), "UInt", 0, "UInt", 0x01, "UPtr", 0, "UInt*", &DecLen:=0, "UPtr", 0, "UPtr", 0)) {
return -1
}
Dec := Buffer(DecLen, 0)
; decode the Base64 encoded string
if !(DllCall("crypt32\CryptStringToBinary", "UPtr", StrPtr(Base64), "UInt", 0, "UInt", 0x01, "UPtr", Dec.Ptr, "UInt*", &DecLen, "UPtr", 0, "UPtr", 0)) {
return -2
}
; create a memory stream
if !(pStream := DllCall("shlwapi\SHCreateMemStream", "UPtr", Dec.Ptr, "UInt", DecLen, "UPtr")) {
return -3
}
DllCall("gdiplus\GdipCreateBitmapFromStreamICM", "UPtr", pStream, "Ptr*", &pBitmap:=0)
ObjRelease(pStream)
return pBitmap
}
;#####################################################################################
; Function: Gdip_EncodeBitmapTo64string
; Description: Encode a bitmap to a Base64 encoded string
;
; pBitmap Pointer to a bitmap
; sOutput The name of the file that the bitmap will be saved to. Supported extensions are: .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 with default at maximum quality
;
; return if the function succeeds, the return value is a Base64 encoded string of the pBitmap
Gdip_EncodeBitmapTo64string(pBitmap, extension := "png", quality := "") {
; Fill a buffer with the available image codec info.
DllCall("gdiplus\GdipGetImageEncodersSize", "uint*", &count := 0, "uint*", &size := 0)
DllCall("gdiplus\GdipGetImageEncoders", "uint", count, "uint", size, "ptr", ci := Buffer(size))
; struct ImageCodecInfo - http://www.jose.it-berater.org/gdiplus/reference/structures/imagecodecinfo.htm
loop {
if (A_Index > count)
throw Error("Could not find a matching encoder for the specified file format.")
idx := (48 + 7 * A_PtrSize) * (A_Index - 1)
} until InStr(StrGet(NumGet(ci, idx + 32 + 3 * A_PtrSize, "ptr"), "UTF-16"), extension) ; FilenameExtension
; Get the pointer to the clsid of the matching encoder.
pCodec := ci.ptr + idx ; ClassID
; JPEG default quality is 75. Otherwise set a quality value from [0-100].
if (quality ~= "^-?\d+$") and ("image/jpeg" = StrGet(NumGet(ci, idx + 32 + 4 * A_PtrSize, "ptr"), "UTF-16")) { ; MimeType
; Use a separate buffer to store the quality as ValueTypeLong (4).
v := Buffer(4), NumPut("uint", quality, v)
; struct EncoderParameter - http://www.jose.it-berater.org/gdiplus/reference/structures/encoderparameter.htm
; enum ValueType - https://docs.microsoft.com/en-us/dotnet/api/system.drawing.imaging.encoderparametervaluetype
; clsid Image Encoder Constants - http://www.jose.it-berater.org/gdiplus/reference/constants/gdipimageencoderconstants.htm
ep := Buffer(24 + 2 * A_PtrSize) ; sizeof(EncoderParameter) = ptr + n*(28, 32)
NumPut("uptr", 1, ep, 0) ; Count
DllCall("ole32\CLSIDFromString", "wstr", "{1D5BE4B5-FA4A-452D-9CDD-5DB35105E7EB}", "ptr", ep.ptr + A_PtrSize, "HRESULT")
NumPut("uint", 1, ep, 16 + A_PtrSize) ; Number of Values
NumPut("uint", 4, ep, 20 + A_PtrSize) ; Type
NumPut("ptr", v.ptr, ep, 24 + A_PtrSize) ; Value
}
; Create a Stream.
DllCall("ole32\CreateStreamOnHGlobal", "ptr", 0, "int", True, "ptr*", &pStream := 0, "HRESULT")
DllCall("gdiplus\GdipSaveImageToStream", "ptr", pBitmap, "ptr", pStream, "ptr", pCodec, "ptr", IsSet(ep) ? ep : 0)
; Get a pointer to binary data.
DllCall("ole32\GetHGlobalFromStream", "ptr", pStream, "ptr*", &hbin := 0, "HRESULT")
bin := DllCall("GlobalLock", "ptr", hbin, "ptr")
size := DllCall("GlobalSize", "uint", bin, "uptr")
; Calculate the length of the base64 string.
flags := 0x40000001 ; CRYPT_STRING_NOCRLF | CRYPT_STRING_BASE64
length := 4 * Ceil(size / 3) + 1 ; An extra byte of padding is required.
str := Buffer(length)
; Using CryptBinaryToStringA saves about 2MB in memory.
DllCall("crypt32\CryptBinaryToStringA", "ptr", bin, "uint", size, "uint", flags, "ptr", str, "uint*", &length)
; Release binary data and stream.
DllCall("GlobalUnlock", "ptr", hbin)
ObjRelease(pStream)
; Return encoded string length minus 1.
return StrGet(str, length, "CP0")
}
;#####################################################################################
; 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 x-coordinate of the top left of the rectangle
; y y-coordinate of the top left of the rectangle
; w width of the rectanlge
; h 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)
{
return DllCall("gdiplus\GdipDrawRectangle", "UPtr", pGraphics, "UPtr", pPen, "Float", x, "Float", y, "Float", w, "Float", h)
}
;#####################################################################################
; 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 x-coordinate of the top left of the rounded rectangle
; y y-coordinate of the top left of the rounded rectangle
; w width of the rectanlge
; h height of the rectangle
; r radius of the rounded corners
;
; 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_DrawRoundedRectangle(pGraphics, pPen, x, y, w, h, r)
{
Gdip_SetClipRect(pGraphics, x-r, y-r, 2*r, 2*r, 4)
Gdip_SetClipRect(pGraphics, x+w-r, y-r, 2*r, 2*r, 4)
Gdip_SetClipRect(pGraphics, x-r, y+h-r, 2*r, 2*r, 4)
Gdip_SetClipRect(pGraphics, x+w-r, y+h-r, 2*r, 2*r, 4)
_E := Gdip_DrawRectangle(pGraphics, pPen, x, y, w, h)
Gdip_ResetClip(pGraphics)
Gdip_SetClipRect(pGraphics, x-(2*r), y+r, w+(4*r), h-(2*r), 4)
Gdip_SetClipRect(pGraphics, x+r, y-(2*r), w-(2*r), h+(4*r), 4)
Gdip_DrawEllipse(pGraphics, pPen, x, y, 2*r, 2*r)
Gdip_DrawEllipse(pGraphics, pPen, x+w-(2*r), y, 2*r, 2*r)
Gdip_DrawEllipse(pGraphics, pPen, x, y+h-(2*r), 2*r, 2*r)
Gdip_DrawEllipse(pGraphics, pPen, x+w-(2*r), y+h-(2*r), 2*r, 2*r)
Gdip_ResetClip(pGraphics)
return _E
}
;#####################################################################################
; Function Gdip_DrawEllipse
; Description This function uses a pen to draw the outline of an ellipse into the Graphics of a bitmap
;
; pGraphics Pointer to the Graphics of a bitmap
; pPen Pointer to a pen
; x x-coordinate of the top left of the rectangle the ellipse will be drawn into
; y y-coordinate of the top left of the rectangle the ellipse will be drawn into
; w width of the ellipse
; h height of the ellipse
;
; 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_DrawEllipse(pGraphics, pPen, x, y, w, h)
{
return DllCall("gdiplus\GdipDrawEllipse", "UPtr", pGraphics, "UPtr", pPen, "Float", x, "Float", y, "Float", w, "Float", h)
}
;#####################################################################################
; Function Gdip_DrawBezier
; Description This function uses a pen to draw the outline of a bezier (a weighted curve) into the Graphics of a bitmap
;
; pGraphics Pointer to the Graphics of a bitmap
; pPen Pointer to a pen
; x1 x-coordinate of the start of the bezier
; y1 y-coordinate of the start of the bezier
; x2 x-coordinate of the first arc of the bezier