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[AHK] Create Gardient in GUI
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; GLOBAL SETTINGS =============================================================================================================== | |
#NoEnv | |
#SingleInstance Force | |
SetBatchLines -1 | |
; GUI =========================================================================================================================== | |
Gui, +LastFound +hwndhMyGUI | |
Gui, Margin, 0, 0 | |
Gui, Add, Pic, x0 y0 w800 h600 0x4E hwndhPic01 | |
CreateGradient(hPic01, 800, 600, ["0x3399FF", "0xFF3399"]*) | |
Gui, Show, AutoSize | |
return | |
; FUNCTIONS ===================================================================================================================== | |
CreateGradient(handle, width, height, colors*) | |
{ | |
size := VarSetCapacity(bits, (ClrCnt := colors.MaxIndex()) * 2 * 4, 0) | |
addr := &bits | |
for each, color in colors | |
addr := NumPut(color, NumPut(color, addr + 0, "uint"), "uint") | |
hBitmap := DllCall("CreateBitmap", "int", 2, "int", ClrCnt, "uint", 1, "uint", 32, "ptr", 0, "ptr") | |
hBitmap := DllCall("CopyImage", "ptr", hBitmap, "uint", 0, "int", 0, "int", 0, "uint", 0x2008, "ptr") | |
DllCall("SetBitmapBits", "ptr", hBitmap, "uint", size, "ptr", &bits) | |
hBitmap := DllCall("CopyImage", "ptr", hBitmap, "uint", 0, "int", width, "int", height, "uint", 0x2008, "ptr") | |
DllCall("SendMessage", "ptr", handle, "uint", 0x0172, "ptr", 0, "ptr", hBitmap, "ptr") | |
return true | |
} | |
; EXIT ========================================================================================================================== | |
GuiClose: | |
GuiEscape: | |
ExitApp | |
; =============================================================================================================================== |
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