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ImagePut.ahk
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ImagePut.ahk
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; Script: ImagePut.ahk
; License: MIT License
; Author: Edison Hua (iseahound)
; Github: https://github.com/iseahound/ImagePut
; Date: 2023-03-02
; Version: 1.10
#Requires AutoHotkey v2.0-beta.13+
; Puts the image into a file format and returns a base64 encoded string.
; extension - File Encoding | string -> bmp, gif, jpg, png, tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutBase64(image, extension := "", quality := "") {
return ImagePut("base64", image, extension, quality)
}
; Puts the image into a GDI+ Bitmap and returns a pointer.
ImagePutBitmap(image) {
return ImagePut("bitmap", image)
}
; Puts the image into a GDI+ Bitmap and returns a buffer object with GDI+ scope.
ImagePutBuffer(image) {
return ImagePut("buffer", image)
}
; Puts the image onto the clipboard and returns ClipboardAll().
ImagePutClipboard(image) {
return ImagePut("clipboard", image)
}
; Puts the image as the cursor and returns the variable A_Cursor.
; xHotspot - X Click Point | pixel -> 0 - width
; yHotspot - Y Click Point | pixel -> 0 - height
ImagePutCursor(image, xHotspot := "", yHotspot := "") {
return ImagePut("cursor", image, xHotspot, yHotspot)
}
; Puts the image onto a device context and returns the handle.
; alpha - Alpha Replacement Color | RGB -> 0xFFFFFF
ImagePutDC(image, alpha := "") {
return ImagePut("dc", image, alpha)
}
; Puts the image behind the desktop icons and returns the string "desktop".
ImagePutDesktop(image) {
return ImagePut("desktop", image)
}
; Puts the image into the most recently active explorer window.
ImagePutExplorer(image, default := "") {
return ImagePut("explorer", image, default)
}
; Puts the image into a file and returns its filepath.
; filepath - Filepath + Extension | string -> *.bmp, *.gif, *.jpg, *.png, *.tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutFile(image, filepath := "", quality := "") {
return ImagePut("file", image, filepath, quality)
}
; Puts the image into a multipart/form-data in binary and returns a SafeArray COM Object.
; boundary - Content-Type | string -> multipart/form-data; boundary=something
ImagePutFormData(image, boundary := "ImagePut-abcdef") {
return ImagePut("formdata", image, boundary)
}
; Puts the image into a device independent bitmap and returns the handle.
; alpha - Alpha Replacement Color | RGB -> 0xFFFFFF
ImagePutHBitmap(image, alpha := "") {
return ImagePut("hBitmap", image, alpha)
}
; Puts the image into a file format and returns a hexadecimal encoded string.
; extension - File Encoding | string -> bmp, gif, jpg, png, tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutHex(image, extension := "", quality := "") {
return ImagePut("hex", image, extension, quality)
}
; Puts the image into an icon and returns the handle.
ImagePutHIcon(image) {
return ImagePut("hIcon", image)
}
; Puts the image into a file format and returns a pointer to a RandomAccessStream.
; extension - File Encoding | string -> bmp, gif, jpg, png, tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutRandomAccessStream(image, extension := "", quality := "") {
return ImagePut("RandomAccessStream", image, extension, quality)
}
; Puts the image into a file format and returns a SafeArray COM Object.
; extension - File Encoding | string -> bmp, gif, jpg, png, tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutSafeArray(image, extension := "", quality := "") {
return ImagePut("safeArray", image, extension, quality)
}
; Puts the image on the shared screen device context and returns an array of coordinates.
; screenshot - Screen Coordinates | array -> [x,y,w,h] or [0,0]
; alpha - Alpha Replacement Color | RGB -> 0xFFFFFF
ImagePutScreenshot(image, screenshot := "", alpha := "") {
return ImagePut("screenshot", image, screenshot, alpha)
}
; Puts the image into a file format and returns a pointer to a stream.
; extension - File Encoding | string -> bmp, gif, jpg, png, tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutStream(image, extension := "", quality := "") {
return ImagePut("stream", image, extension, quality)
}
; Puts the image into a file format and returns a URI string.
; extension - File Encoding | string -> bmp, gif, jpg, png, tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutURI(image, extension := "", quality := "") {
return ImagePut("uri", image, extension, quality)
}
; Puts the image as the desktop wallpaper and returns the string "wallpaper".
ImagePutWallpaper(image) {
return ImagePut("wallpaper", image)
}
; Puts the image into a WICBitmap and returns the pointer to the interface.
ImagePutWICBitmap(image) {
return ImagePut("wicBitmap", image)
}
; Puts the image in a window and returns a handle to a window.
; title - Window Title | string -> MyTitle
; pos - Window Coordinates | array -> [x,y,w,h] or [0,0]
; style - Window Style | uint -> WS_VISIBLE
; styleEx - Window Extended Style | uint -> WS_EX_LAYERED
; parent - Window Parent | ptr -> hwnd
ImagePutWindow(image, title := "", pos := "", style := 0x82C80000, styleEx := 0x9, parent := "") {
return ImagePut("window", image, title, pos, style, styleEx, parent)
}
; title - Window Title | string -> MyTitle
; pos - Window Coordinates | array -> [x,y,w,h] or [0,0]
; style - Window Style | uint -> WS_VISIBLE
; styleEx - Window Extended Style | uint -> WS_EX_LAYERED
; parent - Window Parent | ptr -> hwnd
ImageShow(image, title := "", pos := "", style := 0x90000000, styleEx := 0x80088, parent := "") {
return ImagePut("show", image, title, pos, style, styleEx, parent)
}
ImageDestroy(image) {
return ImagePut.Destroy(image)
}
ImageWidth(image) {
return ImagePut.Dimensions(image)[1]
}
ImageHeight(image) {
return ImagePut.Dimensions(image)[2]
}
/*
ImagePut(cotype, image, p*) {
return ImagePut.call(cotype, image, p*)
}
ImageEqual(images*) {
return ImageEqual.call(images*)
}
*/
class ImagePut {
static decode := False ; Forces conversion using a bitmap. The original file encoding will be lost.
static validate := False ; Always copies image data into memory instead of passing references.
static call(cotype, image, p*) {
; Start!
this.gdiplusStartup()
; Take a guess as to what the image might be. (>95% accuracy!)
try type := this.DontVerifyImageType(&image, &keywords)
catch
type := this.ImageType(image)
crop := keywords.crop
scale := keywords.scale
decode := (keywords.decode != "") ? keywords.decode : this.decode
validate := (keywords.validate != "") ? keywords.validate : this.validate
; #1 - Stream intermediate.
if not decode and not crop and not scale
and (type ~= "^(?i:clipboard_png|pdf|url|file|stream|RandomAccessStream|hex|base64)$")
and (cotype ~= "^(?i:file|stream|RandomAccessStream|hex|base64|uri|explorer|safeArray|formData)$")
and (!p.Has(1) || p[1] == "") { ; For now, disallow any specification of extensions.
; Convert via stream intermediate.
if !(pStream := this.ToStream(type, image, keywords))
throw Error("pStream cannot be zero.")
coimage := this.StreamToCoimage(cotype, pStream, p*)
; Prevents the stream object from being freed.
if (cotype = "stream")
ObjAddRef(pStream)
; Free the temporary stream object.
ObjRelease(pStream)
}
; #2 - Fallback to GDI+ bitmap as the intermediate.
else {
; GdipImageForceValidation must be called immediately or it fails without any errors.
; It load the image pixels to the bitmap buffer, increasing memory usage and prevents
; changes to the pixels while bypassing any copy-on-write and copy on LockBits(read) behavior.
; Convert via GDI+ bitmap intermediate.
if !(pBitmap := this.ToBitmap(type, image, keywords))
throw Error("pBitmap cannot be zero.")
(validate) && DllCall("gdiplus\GdipImageForceValidation", "ptr", pBitmap)
(crop) && this.BitmapCrop(&pBitmap, crop)
(scale) && this.BitmapScale(&pBitmap, scale)
coimage := this.BitmapToCoimage(cotype, pBitmap, p*)
; Clean up the pBitmap copy. Export raw pointers if requested.
if !(cotype = "bitmap")
DllCall("gdiplus\GdipDisposeImage", "ptr", pBitmap)
}
; Check for dangling pointers.
this.gdiplusShutdown(cotype)
return coimage
}
static get(name, p*) {
return ObjHasOwnProp(this, name) ? this.name : ""
}
static inputs := [
"clipboard_png",
"clipboard",
"object",
"buffer",
"screenshot",
"window",
"desktop",
"wallpaper",
"cursor",
"pdf",
"url",
"file",
"hex",
"base64",
"monitor",
"dc",
"hBitmap",
"hIcon",
"bitmap",
"stream",
"RandomAccessStream",
"wicBitmap",
"d2dBitmap",
"sprite"
]
static DontVerifyImageType(&image, &keywords := "") {
; Sentinel value: Returns the empty string for unknown properties.
keywords := {base: {__get: this.get}}
; Try ImageType.
if !IsObject(image)
throw Error("Must be an object.")
; Goto ImageType.
if ObjHasOwnProp(image, "image") {
keywords := image
keywords.base := {__get: this.get}
image := image.image
throw Error("Must catch this error with ImageType.")
}
; Skip ImageType.
for type in this.inputs
if ObjHasOwnProp(image, type) {
keywords := image
keywords.base := {__get: this.get}
image := image.%type%
return type
}
; Continue ImageType.
throw Error("Invalid type.")
}
static ImageType(image) {
; Throw if the image is an empty string.
if (image == "")
throw Error("Image data is an empty string.")
if IsObject(image) {
if (image.HasOwnProp("prototype") && image.prototype.HasOwnProp("__class") && image.prototype.__class == "ClipboardAll"
|| image.base.HasOwnProp("__class") && image.base.__class == "ClipboardAll") {
; A "clipboard_png" is a pointer to a PNG stream saved as the "png" clipboard format.
if DllCall("IsClipboardFormatAvailable", "uint", DllCall("RegisterClipboardFormat", "str", "png", "uint"))
return "clipboard_png"
; A "clipboard" is a handle to a GDI bitmap saved as CF_BITMAP.
if DllCall("IsClipboardFormatAvailable", "uint", 2)
return "clipboard"
throw Error("Clipboard format not supported.")
}
; A "object" has a pBitmap property that points to an internal GDI+ bitmap.
if image.HasOwnProp("pBitmap")
return "object"
; A "buffer" is an object with ptr and size properties.
if image.HasOwnProp("ptr") && image.HasOwnProp("size")
return "buffer"
; A "window" is an object with an hwnd property.
if image.HasOwnProp("hwnd")
return "window"
; A "window2" is an array with a string that contains the window title.
if (image.Has(1) && WinExist(image[1]))
return "window2"
; A "screenshot" is an array of 4 numbers.
if (image[1] ~= "^-?\d+$" && image[2] ~= "^-?\d+$" && image[3] ~= "^-?\d+$" && image[4] ~= "^-?\d+$")
return "screenshot"
throw Error("Image type could not be identified.")
}
; A non-zero "monitor" number identifies each display uniquely; and 0 refers to the entire virtual screen.
if (image ~= "^\d+$" && image >= 0 && image <= MonitorGetCount())
return "monitor"
; A "desktop" is a hidden window behind the desktop icons created by ImagePutDesktop.
if (image = "desktop")
return "desktop"
; A "wallpaper" is the desktop wallpaper.
if (image = "wallpaper")
return "wallpaper"
; A "cursor" is the name of a known cursor name.
if (image ~= "(?i)^A_Cursor|Unknown|(IDC_)?(AppStarting|Arrow|Cross|Hand(writing)?|"
. "Help|IBeam|No|Pin|Person|SizeAll|SizeNESW|SizeNS|SizeNWSE|SizeWE|UpArrow|Wait)$")
return "cursor"
; A "pdf" is either a file or url with a .pdf extension.
if (image ~= "\.pdf$") && (FileExist(image) || this.is_url(image))
return "pdf"
; A "url" satisfies the url format.
if this.is_url(image)
return "url"
; A "file" is stored on the disk or network.
if FileExist(image)
return "file"
; A "window" is anything considered a Window Title including ahk_class and "A".
if WinExist(image)
return "window"
; A "hex" string is binary image data encoded into text using hexadecimal.
if (StrLen(image) >= 48) && (image ~= "^\s*(?:[A-Fa-f0-9]{2})*+\s*$")
return "hex"
; A "base64" string is binary image data encoded into text using standard 64 characters.
if (StrLen(image) >= 32) && (image ~= "^\s*(?:data:image\/[a-z]+;base64,)?"
. "(?:[A-Za-z0-9+\/]{4})*+(?:[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{2}==)?\s*$")
return "base64"
if (image ~= "^-?\d+$") {
; A "dc" is a handle to a GDI device context.
if (DllCall("GetObjectType", "ptr", image, "uint") == 3 || DllCall("GetObjectType", "ptr", image, "uint") == 10)
return "dc"
; An "hBitmap" is a handle to a GDI Bitmap.
if (DllCall("GetObjectType", "ptr", image, "uint") == 7)
return "hBitmap"
; An "hIcon" is a handle to a GDI icon.
if DllCall("DestroyIcon", "ptr", DllCall("CopyIcon", "ptr", image, "ptr"))
return "hIcon"
; A "bitmap" is a pointer to a GDI+ Bitmap.
try if !DllCall("gdiplus\GdipGetImageType", "ptr", image, "ptr*", &type:=0) && (type == 1)
return "bitmap"
; Note 1: All GDI+ functions add 1 to the reference count of COM objects.
; Note 2: GDI+ pBitmaps that are queried cease to stay pBitmaps.
; Note 3: Critical error for ranges 0-4095 on v1 and 0-65535 on v2.
ObjRelease(image) ; Therefore do not move this, it has been tested.
; A "stream" is a pointer to the IStream interface.
try if ComObjQuery(image, "{0000000C-0000-0000-C000-000000000046}")
return "stream"
; A "RandomAccessStream" is a pointer to the IRandomAccessStream interface.
try if ComObjQuery(image, "{905A0FE1-BC53-11DF-8C49-001E4FC686DA}")
return "RandomAccessStream"
; A "wicBitmap" is a pointer to a IWICBitmapSource.
try if ComObjQuery(image, "{00000120-A8F2-4877-BA0A-FD2B6645FB94}")
return "wicBitmap"
; A "d2dBitmap" is a pointer to a ID2D1Bitmap.
try if ComObjQuery(image, "{A2296057-EA42-4099-983B-539FB6505426}")
return "d2dBitmap"
}
; For more helpful error messages: Catch file names without extensions!
for extension in ["bmp","dib","rle","jpg","jpeg","jpe","jfif","gif","tif","tiff","png","ico","exe","dll"]
if FileExist(image "." extension)
throw Error("A ." extension " file extension is required!", -3)
throw Error("Image type could not be identified.")
}
static ToBitmap(type, image, k := "") {
; Sentinel value: Returns the empty string for unknown properties.
(!k) && k := {base: {__get: this.get}}
if (type = "clipboard_png")
return this.from_clipboard_png()
if (type = "clipboard")
return this.from_clipboard()
if (type = "object")
return this.from_object(image)
if (type = "buffer")
return this.from_buffer(image)
if (type = "screenshot")
return this.from_screenshot(image)
if (type = "window")
return this.from_window(image)
if (type = "window2")
return this.from_screenshot(image[1])
if (type = "desktop")
return this.from_desktop()
if (type = "wallpaper")
return this.from_wallpaper()
if (type = "cursor")
return this.from_cursor()
if (type = "pdf")
return this.from_pdf(image, k.index)
if (type = "url")
return this.from_url(image)
if (type = "file")
return this.from_file(image)
if (type = "hex")
return this.from_hex(image)
if (type = "base64")
return this.from_base64(image)
if (type = "monitor")
return this.from_monitor(image)
if (type = "dc")
return this.from_dc(image)
if (type = "hBitmap")
return this.from_hBitmap(image)
if (type = "hIcon")
return this.from_hIcon(image)
if (type = "bitmap")
return this.from_bitmap(image)
if (type = "stream")
return this.from_stream(image)
if (type = "RandomAccessStream")
return this.from_RandomAccessStream(image)
if (type = "wicBitmap")
return this.from_wicBitmap(image)
if (type = "sprite")
return this.from_sprite(image)
throw Error("Conversion from " type " to bitmap is not supported.")
}
static BitmapToCoimage(cotype, pBitmap, p1:="", p2:="", p3:="", p4:="", p5:="", p*) {
; BitmapToCoimage("clipboard", pBitmap)
if (cotype = "clipboard" || cotype = "clipboard_png")
return this.to_clipboard(pBitmap)
; BitmapToCoimage("buffer", pBitmap)
if (cotype = "buffer")
return this.to_buffer(pBitmap)
; BitmapToCoimage("screenshot", pBitmap, screenshot, alpha)
if (cotype = "screenshot")
return this.to_screenshot(pBitmap, p1, p2)
; BitmapToCoimage("show", pBitmap, title, pos, style, styleEx, parent)
if (cotype = "show")
return this.show(pBitmap, p1, p2, p3, p4, p5)
; BitmapToCoimage("window", pBitmap, title, pos, style, styleEx, parent)
if (cotype = "window")
return this.to_window(pBitmap, p1, p2, p3, p4, p5)
; BitmapToCoimage("desktop", pBitmap)
if (cotype = "desktop")
return this.to_desktop(pBitmap)
; BitmapToCoimage("wallpaper", pBitmap)
if (cotype = "wallpaper")
return this.to_wallpaper(pBitmap)
; BitmapToCoimage("cursor", pBitmap, xHotspot, yHotspot)
if (cotype = "cursor")
return this.to_cursor(pBitmap, p1, p2)
; BitmapToCoimage("url", pBitmap)
if (cotype = "url")
return this.to_url(pBitmap)
; BitmapToCoimage("file", pBitmap, filepath, quality)
if (cotype = "file")
return this.to_file(pBitmap, p1, p2)
; BitmapToCoimage("hex", pBitmap, extension, quality)
if (cotype = "hex")
return this.to_hex(pBitmap, p1, p2)
; BitmapToCoimage("base64", pBitmap, extension, quality)
if (cotype = "base64")
return this.to_base64(pBitmap, p1, p2)
; BitmapToCoimage("uri", pBitmap, extension, quality)
if (cotype = "uri")
return this.to_uri(pBitmap, p1, p2)
; BitmapToCoimage("dc", pBitmap, alpha)
if (cotype = "dc")
return this.to_dc(pBitmap, p1)
; BitmapToCoimage("hBitmap", pBitmap, alpha)
if (cotype = "hBitmap")
return this.to_hBitmap(pBitmap, p1)
; BitmapToCoimage("hIcon", pBitmap)
if (cotype = "hIcon")
return this.to_hIcon(pBitmap)
; BitmapToCoimage("bitmap", pBitmap)
if (cotype = "bitmap")
return pBitmap
; BitmapToCoimage("stream", pBitmap, extension, quality)
if (cotype = "stream")
return this.to_stream(pBitmap, p1, p2)
; BitmapToCoimage("RandomAccessStream", pBitmap, extension, quality)
if (cotype = "RandomAccessStream")
return this.to_RandomAccessStream(pBitmap, p1, p2)
; BitmapToCoimage("wicBitmap", pBitmap)
if (cotype = "wicBitmap")
return this.to_wicBitmap(pBitmap)
; BitmapToCoimage("explorer", pBitmap, default)
if (cotype = "explorer")
return this.to_explorer(pBitmap, p1)
; BitmapToCoimage("safeArray", pBitmap, extension, quality)
if (cotype = "safeArray")
return this.to_safeArray(pBitmap, p1, p2)
; BitmapToCoimage("formData", pBitmap, boundary, extension, quality)
if (cotype = "formData")
return this.to_formData(pBitmap, p1, p2, p3)
throw Error("Conversion from bitmap to " cotype " is not supported.")
}
static ToStream(type, image, k := "") {
; Sentinel value: Returns the empty string for unknown properties.
(!k) && k := {base: {__get: this.get}}
if (type = "clipboard_png")
return this.get_clipboard_png()
if (type = "pdf")
return this.get_pdf(image, k.index)
if (type = "url")
return this.get_url(image)
if (type = "file")
return this.get_file(image)
if (type = "hex")
return this.get_hex(image)
if (type = "base64")
return this.get_base64(image)
if (type = "stream")
return this.get_stream(image)
if (type = "RandomAccessStream")
return this.get_RandomAccessStream(image)
throw Error("Conversion from " type " to stream is not supported.")
}
static StreamToCoimage(cotype, pStream, p1 := "", p2 := "", p*) {
; StreamToCoimage("file", pStream, filepath)
if (cotype = "file")
return this.set_file(pStream, p1)
; StreamToCoimage("hex", pStream)
if (cotype = "hex")
return this.set_hex(pStream)
; StreamToCoimage("base64", pStream)
if (cotype = "base64")
return this.set_base64(pStream)
; StreamToCoimage("uri", pStream)
if (cotype = "uri")
return this.set_uri(pStream)
; StreamToCoimage("stream", pStream)
if (cotype = "stream")
return pStream
; StreamToCoimage("RandomAccessStream", pStream)
if (cotype = "RandomAccessStream")
return this.set_RandomAccessStream(pStream)
; StreamToCoimage("explorer", pStream, default)
if (cotype = "explorer")
return this.set_explorer(pStream, p1)
; StreamToCoimage("safeArray", pStream)
if (cotype = "safeArray")
return this.set_safeArray(pStream)
; StreamToCoimage("formData", pStream, boundary)
if (cotype = "formData")
return this.set_formData(pStream, p1)
throw Error("Conversion from stream to " cotype " is not supported.")
}
static BitmapCrop(&pBitmap, crop) {
if not (IsObject(crop)
&& crop[1] ~= "^-?\d+(\.\d*)?%?$" && crop[2] ~= "^-?\d+(\.\d*)?%?$"
&& crop[3] ~= "^-?\d+(\.\d*)?%?$" && crop[4] ~= "^-?\d+(\.\d*)?%?$")
throw Error("Invalid crop.")
; Get Bitmap width, height, and format.
DllCall("gdiplus\GdipGetImageWidth", "ptr", pBitmap, "uint*", &width:=0)
DllCall("gdiplus\GdipGetImageHeight", "ptr", pBitmap, "uint*", &height:=0)
DllCall("gdiplus\GdipGetImagePixelFormat", "ptr", pBitmap, "int*", &format:=0)
; Abstraction Shift.
; Previously, real values depended on abstract values.
; Now, real values have been resolved, and abstract values depend on reals.
; Are the numbers percentages?
(crop[1] ~= "%$") && crop[1] := SubStr(crop[1], 1, -1) * 0.01 * width
(crop[2] ~= "%$") && crop[2] := SubStr(crop[2], 1, -1) * 0.01 * height
(crop[3] ~= "%$") && crop[3] := SubStr(crop[3], 1, -1) * 0.01 * width
(crop[4] ~= "%$") && crop[4] := SubStr(crop[4], 1, -1) * 0.01 * height
; If numbers are negative, subtract the values from the edge.
crop[1] := Abs(crop[1])
crop[2] := Abs(crop[2])
crop[3] := (crop[3] < 0) ? width - Abs(crop[3]) - Abs(crop[1]) : crop[3]
crop[4] := (crop[4] < 0) ? height - Abs(crop[4]) - Abs(crop[2]) : crop[4]
; Round to the nearest integer. Reminder: width and height are distances, not coordinates.
safe_x := Round(crop[1])
safe_y := Round(crop[2])
safe_w := Round(crop[1] + crop[3]) - Round(crop[1])
safe_h := Round(crop[2] + crop[4]) - Round(crop[2])
; Minimum size is 1 x 1. Ensure that coordinates can never exceed the expected Bitmap area.
safe_x := (safe_x >= width) ? 0 : safe_x ; Default x is zero.
safe_y := (safe_y >= height) ? 0 : safe_y ; Default y is zero.
safe_w := (safe_w = 0 || safe_x + safe_w > width) ? width - safe_x : safe_w ; Default w is max width.
safe_h := (safe_h = 0 || safe_y + safe_h > height) ? height - safe_y : safe_h ; Default h is max height.
; Avoid cropping if no changes are detected.
if (safe_x = 0 && safe_y = 0 && safe_w = width && safe_h = height)
return pBitmap
; Clone
DllCall("gdiplus\GdipCloneBitmapAreaI"
, "int", safe_x
, "int", safe_y
, "int", safe_w
, "int", safe_h
, "int", format
, "ptr", pBitmap
, "ptr*", &pBitmapCrop:=0)
DllCall("gdiplus\GdipDisposeImage", "ptr", pBitmap)
return pBitmap := pBitmapCrop
}
static BitmapScale(&pBitmap, scale) {
if not (IsObject(scale) && ((scale[1] ~= "^\d+$") || (scale[2] ~= "^\d+$")) || (scale ~= "^\d+(\.\d+)?$"))
throw Error("Invalid scale.")
; Get Bitmap width, height, and format.
DllCall("gdiplus\GdipGetImageWidth", "ptr", pBitmap, "uint*", &width:=0)
DllCall("gdiplus\GdipGetImageHeight", "ptr", pBitmap, "uint*", &height:=0)
DllCall("gdiplus\GdipGetImagePixelFormat", "ptr", pBitmap, "int*", &format:=0)
if IsObject(scale) {
safe_w := (scale[1] ~= "^\d+$") ? scale[1] : Round(width / height * scale[2])
safe_h := (scale[2] ~= "^\d+$") ? scale[2] : Round(height / width * scale[1])
} else {
safe_w := Ceil(width * scale)
safe_h := Ceil(height * scale)
}
; Avoid drawing if no changes detected.
if (safe_w = width && safe_h = height)
return pBitmap
; Create a new bitmap and get the graphics context.
DllCall("gdiplus\GdipCreateBitmapFromScan0"
, "int", safe_w, "int", safe_h, "int", 0, "int", format, "ptr", 0, "ptr*", &pBitmapScale:=0)
DllCall("gdiplus\GdipGetImageGraphicsContext", "ptr", pBitmapScale, "ptr*", &pGraphics:=0)
; Set settings in graphics context.
DllCall("gdiplus\GdipSetPixelOffsetMode", "ptr", pGraphics, "int", 2) ; Half pixel offset.
DllCall("gdiplus\GdipSetCompositingMode", "ptr", pGraphics, "int", 1) ; Overwrite/SourceCopy.
DllCall("gdiplus\GdipSetInterpolationMode", "ptr", pGraphics, "int", 7) ; HighQualityBicubic
; Draw Image.
DllCall("gdiplus\GdipCreateImageAttributes", "ptr*", &ImageAttr:=0)
DllCall("gdiplus\GdipSetImageAttributesWrapMode", "ptr", ImageAttr, "int", 3) ; WrapModeTileFlipXY
DllCall("gdiplus\GdipDrawImageRectRectI"
, "ptr", pGraphics
, "ptr", pBitmap
, "int", 0, "int", 0, "int", safe_w, "int", safe_h ; destination rectangle
, "int", 0, "int", 0, "int", width, "int", height ; source rectangle
, "int", 2
, "ptr", ImageAttr
, "ptr", 0
, "ptr", 0)
DllCall("gdiplus\GdipDisposeImageAttributes", "ptr", ImageAttr)
; Clean up the graphics context.
DllCall("gdiplus\GdipDeleteGraphics", "ptr", pGraphics)
DllCall("gdiplus\GdipDisposeImage", "ptr", pBitmap)
return pBitmap := pBitmapScale
}
static is_url(url) {
; Thanks dperini - https://gist.github.com/dperini/729294
; Also see for comparisons: https://mathiasbynens.be/demo/url-regex
; Modified to be compatible with AutoHotkey. \u0000 -> \x{0000}.
; Force the declaration of the protocol because WinHttp requires it.
return url ~= "^(?i)"
. "(?:(?:https?|ftp):\/\/)" ; protocol identifier (FORCE)
. "(?:\S+(?::\S*)?@)?" ; user:pass BasicAuth (optional)
. "(?:"
; IP address exclusion
; private & local networks
. "(?!(?:10|127)(?:\.\d{1,3}){3})"
. "(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})"
. "(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})"
; IP address dotted notation octets
; excludes loopback network 0.0.0.0
; excludes reserved space >= 224.0.0.0
; excludes network & broadcast addresses
; (first & last IP address of each class)
. "(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])"
. "(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}"
. "(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))"
. "|"
; host & domain names, may end with dot
; can be replaced by a shortest alternative
; (?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.)+
. "(?:(?:[a-z0-9\x{00a1}-\x{ffff}][a-z0-9\x{00a1}-\x{ffff}_-]{0,62})?[a-z0-9\x{00a1}-\x{ffff}]\.)+"
; TLD identifier name, may end with dot
. "(?:[a-z\x{00a1}-\x{ffff}]{2,}\.?)"
. ")"
. "(?::\d{2,5})?" ; port number (optional)
. "(?:[/?#]\S*)?$" ; resource path (optional)
}
static from_clipboard() {
; Open the clipboard with exponential backoff.
loop
if DllCall("OpenClipboard", "ptr", A_ScriptHwnd)
break
else
if A_Index < 6
Sleep (2**(A_Index-1) * 30)
else throw Error("Clipboard could not be opened.")
; Fallback to CF_BITMAP. This format does not support transparency even with to_hBitmap().
if !DllCall("IsClipboardFormatAvailable", "uint", 2)
throw Error("Clipboard does not have CF_BITMAP data.")
if !(hbm := DllCall("GetClipboardData", "uint", 2, "ptr"))
throw Error("Shared clipboard data has been deleted.")
DllCall("gdiplus\GdipCreateBitmapFromHBITMAP", "ptr", hbm, "ptr", 0, "ptr*", &pBitmap:=0)
DllCall("DeleteObject", "ptr", hbm)
DllCall("CloseClipboard")
return pBitmap
}
static from_clipboard_png() {
pStream := this.get_clipboard_png()
DllCall("gdiplus\GdipCreateBitmapFromStream", "ptr", pStream, "ptr*", &pBitmap:=0)
ObjRelease(pStream)
return pBitmap
}
static get_clipboard_png() {
; Open the clipboard with exponential backoff.
loop
if DllCall("OpenClipboard", "ptr", A_ScriptHwnd)
break
else
if A_Index < 6
Sleep (2**(A_Index-1) * 30)
else throw Error("Clipboard could not be opened.")
png := DllCall("RegisterClipboardFormat", "str", "png", "uint")
if !DllCall("IsClipboardFormatAvailable", "uint", png)
throw Error("Clipboard does not have PNG stream data.")
if !(hData := DllCall("GetClipboardData", "uint", png, "ptr"))
throw Error("Shared clipboard data has been deleted.")
; Allow the stream to be freed while leaving the hData intact.
; Please read: https://devblogs.microsoft.com/oldnewthing/20210930-00/?p=105745
DllCall("ole32\CreateStreamOnHGlobal", "ptr", hData, "int", False, "ptr*", &pStream:=0, "hresult")
DllCall("CloseClipboard")
return pStream
}
static from_object(image) {
return this.from_bitmap(image.pBitmap)
}
static from_buffer(image) {
; to do
}
static read_screen() {
assert(statement, message) {
if !statement
throw ValueError(message, -1, statement)
}
; Load DirectX
assert IDXGIFactory := CreateDXGIFactory(), "Create IDXGIFactory failed."
CreateDXGIFactory() {
if !DllCall("GetModuleHandle", "str", "DXGI")
DllCall("LoadLibrary", "str", "DXGI")
if !DllCall("GetModuleHandle", "str", "D3D11")
DllCall("LoadLibrary", "str", "D3D11")
DllCall("ole32\CLSIDFromString", "wstr", "{7b7166ec-21c7-44ae-b21a-c9ae321ae369}", "ptr", riid := Buffer(16, 0), "hresult")
DllCall("DXGI\CreateDXGIFactory1", "ptr", riid, "ptr*", &ppFactory:=0, "hresult")
return ppFactory
}
; Get monitor?
loop {
ComCall(IDXGIFactory_EnumAdapters := 7, IDXGIFactory, "uint", A_Index-1, "ptr*", &IDXGIAdapter:=0)
loop {
try ComCall(IDXGIAdapter_EnumOutputs := 7, IDXGIAdapter, "uint", A_Index-1, "ptr*", &IDXGIOutput:=0)
catch OSError as e
if e.number = 0x887A0002 ; DXGI_ERROR_NOT_FOUND
break
else throw
ComCall(IDXGIOutput_GetDesc := 7, IDXGIOutput, "ptr", DXGI_OUTPUT_DESC := Buffer(88+A_PtrSize, 0))
Width := NumGet(DXGI_OUTPUT_DESC, 72, "int")
Height := NumGet(DXGI_OUTPUT_DESC, 76, "int")
AttachedToDesktop := NumGet(DXGI_OUTPUT_DESC, 80, "int")
if (AttachedToDesktop = 1)
break 2
}
}
; Ensure the desktop is connected.
assert AttachedToDesktop, "No adapter attached to desktop."
; Load direct3d
DllCall("D3D11\D3D11CreateDevice"
, "ptr", IDXGIAdapter ; pAdapter
, "int", D3D_DRIVER_TYPE_UNKNOWN := 0 ; DriverType
, "ptr", 0 ; Software
, "uint", 0 ; Flags
, "ptr", 0 ; pFeatureLevels
, "uint", 0 ; FeatureLevels
, "uint", D3D11_SDK_VERSION := 7 ; SDKVersion
, "ptr*", &d3d_device:=0 ; ppDevice
, "ptr*", 0 ; pFeatureLevel
, "ptr*", &d3d_context:=0 ; ppImmediateContext
,"hresult")
; Retrieve the desktop duplication API
IDXGIOutput1 := ComObjQuery(IDXGIOutput, "{00cddea8-939b-4b83-a340-a685226666cc}")
ComCall(IDXGIOutput1_DuplicateOutput := 22, IDXGIOutput1, "ptr", d3d_device, "ptr*", &Duplication:=0)
ComCall(IDXGIOutputDuplication_GetDesc := 7, Duplication, "ptr", DXGI_OUTDUPL_DESC := Buffer(36, 0))
DesktopImageInSystemMemory := NumGet(DXGI_OUTDUPL_DESC, 32, "uint")
Sleep 50 ; As I understand - need some sleep for successful connecting to IDXGIOutputDuplication interface
; Create the texture onto which the desktop will be copied to.
D3D11_TEXTURE2D_DESC := Buffer(44, 0)
NumPut("uint", width, D3D11_TEXTURE2D_DESC, 0) ; Width
NumPut("uint", height, D3D11_TEXTURE2D_DESC, 4) ; Height
NumPut("uint", 1, D3D11_TEXTURE2D_DESC, 8) ; MipLevels
NumPut("uint", 1, D3D11_TEXTURE2D_DESC, 12) ; ArraySize
NumPut("uint", DXGI_FORMAT_B8G8R8A8_UNORM := 87, D3D11_TEXTURE2D_DESC, 16) ; Format
NumPut("uint", 1, D3D11_TEXTURE2D_DESC, 20) ; SampleDescCount
NumPut("uint", 0, D3D11_TEXTURE2D_DESC, 24) ; SampleDescQuality
NumPut("uint", D3D11_USAGE_STAGING := 3, D3D11_TEXTURE2D_DESC, 28) ; Usage
NumPut("uint", 0, D3D11_TEXTURE2D_DESC, 32) ; BindFlags
NumPut("uint", D3D11_CPU_ACCESS_READ := 0x20000, D3D11_TEXTURE2D_DESC, 36) ; CPUAccessFlags
NumPut("uint", 0, D3D11_TEXTURE2D_DESC, 40) ; MiscFlags
ComCall(ID3D11Device_CreateTexture2D := 5, d3d_device, "ptr", D3D11_TEXTURE2D_DESC, "ptr", 0, "ptr*", &staging_tex:=0)
; Persist the concept of a desktop_resource as a closure???
local desktop_resource
Update(this, timeout := unset) {
; Unbind resources.
Unbind()
; Allocate a shared buffer for all calls of AcquireNextFrame.
static DXGI_OUTDUPL_FRAME_INFO := Buffer(48, 0)
if !IsSet(timeout) {
; The following loop structure repeatedly checks for a new frame.
loop {
; Ask if there is a new frame available immediately.
try ComCall(IDXGIOutputDuplication_AcquireNextFrame := 8, Duplication, "uint", 0, "ptr", DXGI_OUTDUPL_FRAME_INFO, "ptr*", &desktop_resource:=0)
catch OSError as e
if e.number = 0x887A0027 ; DXGI_ERROR_WAIT_TIMEOUT
continue
else throw
; Exclude mouse movement events by ensuring LastPresentTime is greater than zero.
if NumGet(DXGI_OUTDUPL_FRAME_INFO, 0, "int64") > 0
break
; Continue the loop by releasing resources.
ObjRelease(desktop_resource)
ComCall(IDXGIOutputDuplication_ReleaseFrame := 14, Duplication)
}
} else {
try ComCall(IDXGIOutputDuplication_AcquireNextFrame := 8, Duplication, "uint", timeout, "ptr", DXGI_OUTDUPL_FRAME_INFO, "ptr*", &desktop_resource:=0)
catch OSError as e
if e.number = 0x887A0027 ; DXGI_ERROR_WAIT_TIMEOUT
return this ; Remember to enable method chaining.
else throw