/
ImagePut (for v1).ahk
5400 lines (4074 loc) · 233 KB
/
ImagePut (for v1).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 v1.1.35+
; 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 an empty string.
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 as an encoded format into a binary data object.
; extension - File Encoding | string -> bmp, gif, jpg, png, tiff
; quality - JPEG Quality Level | integer -> 0 - 100
ImagePutEncodedBuffer(image, extension := "", quality := "") {
return ImagePut("EncodedBuffer", image, extension, quality)
}
; 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 abc 321 xyz--") {
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 mapping and returns a buffer object sharable across processes.
; name - Global Name | string -> "Alice"
ImagePutSharedBuffer(image, name := "") {
return ImagePut("SharedBuffer", image, name)
}
; 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
; playback - Animate Window? | bool -> True
; cache - Cache Animation Frames? | bool -> False
ImagePutWindow(image, title := "", pos := "", style := 0x82C80000, styleEx := 0x9, parent := "", playback := True, cache := False) {
return ImagePut("window", image, title, pos, style, styleEx, parent, playback, cache)
}
; 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
; playback - Animate Window? | bool -> True
; cache - Cache Animation Frames? | bool -> False
ImageShow(image, title := "", pos := "", style := 0x90000000, styleEx := 0x80088, parent := "", playback := True, cache := False) {
return ImagePut("show", image, title, pos, style, styleEx, parent, playback, cache)
}
ImageDestroy(image) {
return ImagePut.Destroy.call(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 ; Decompresses image to a pixel buffer. Any encoding such as JPG will be lost.
static render := True ; Determines whether vectorized formats such as SVG and PDF are rendered to pixels.
static validate := False ; Always copies pixels to new memory immediately instead of copy-on-read/write.
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)
; Extract options to be directly applied the intermediate representation here.
crop := keywords.HasKey("crop") ? keywords.crop : ""
scale := keywords.HasKey("scale") ? keywords.scale : ""
upscale := keywords.HasKey("upscale") ? keywords.upscale : ""
downscale := keywords.HasKey("downscale") ? keywords.downscale : ""
sprite := keywords.HasKey("sprite") ? keywords.sprite : ""
decode := keywords.HasKey("decode") ? keywords.decode : this.decode
render := keywords.HasKey("render") ? keywords.render : this.render
validate := keywords.HasKey("validate") ? keywords.validate : this.validate
; Keywords are for (input -> intermediate).
try index := keywords.index
cleanup := ""
; #1 - Stream as the intermediate representation.
try stream := this.ImageToStream(type, image, keywords)
catch e
if (e.Message ~= "^Conversion from")
goto make_bitmap
else throw
if not stream
throw Exception("Stream cannot be zero.")
; Check the file signature for magic numbers.
stream:
DllCall("shlwapi\IStream_Size", "ptr", stream, "uint64*", size:=0, "uint")
DllCall("shlwapi\IStream_Reset", "ptr", stream, "uint")
; 2048 characters should be good enough to identify the file correctly.
size := min(size, 2048)
VarSetCapacity(bin, size)
; Get the first few bytes of the image.
DllCall("shlwapi\IStream_Read", "ptr", stream, "ptr", &bin, "uint", size, "uint")
DllCall("shlwapi\IStream_Reset", "ptr", stream, "uint")
; Allocate enough space for a hexadecimal string with spaces interleaved and a null terminator.
length := 2*size + (size-1) + 1
VarSetCapacity(str, length * (A_IsUnicode?2:1))
; Lift the binary representation to hex.
flags := 0x40000004 ; CRYPT_STRING_NOCRLF | CRYPT_STRING_HEX
DllCall("crypt32\CryptBinaryToString", "ptr", &bin, "uint", size, "uint", flags, "str", str, "uint*", length)
; Determine the extension using herustics. See: http://fileformats.archiveteam.org
extension := 0 ? ""
: str ~= "(?i)66 74 79 70 61 76 69 66" ? "avif" ; ftypavif
: str ~= "(?i)^42 4d (.. ){36}00 00 .. 00 00 00" ? "bmp" ; BM
: str ~= "(?i)^01 00 00 00 (.. ){36}20 45 4D 46" ? "emf" ; emf
: str ~= "(?i)^47 49 46 38 (37|39) 61" ? "gif" ; GIF87a or GIF89a
: str ~= "(?i)66 74 79 70 68 65 69 63" ? "heic" ; ftypheic
: str ~= "(?i)^00 00 01 00" ? "ico"
: str ~= "(?i)^ff d8 ff" ? "jpg"
: str ~= "(?i)^25 50 44 46 2d" ? "pdf" ; %PDF-
: str ~= "(?i)^89 50 4e 47 0d 0a 1a 0a" ? "png" ; PNG
: str ~= "(?i)^(((?!3c|3e).. )|3c (3f|21) ((?!3c|3e).. )*3e )*+3c 73 76 67" ? "svg" ; <svg
: str ~= "(?i)^(49 49 2a 00|4d 4d 00 2a)" ? "tif" ; II* or MM*
: str ~= "(?i)^52 49 46 46 .. .. .. .. 57 45 42 50" ? "webp" ; RIFF....WEBP
: str ~= "(?i)^d7 cd c6 9a" ? "wmf"
: "" ; Extension must be blank for file pass-through as-is.
; Convert vectorized formats to rasterized formats.
if (render && extension ~= "^(?i:pdf|svg)$") {
(extension = "pdf") && this.RenderPdf(stream, index)
; (extension = "svg") && pBitmap := this.RenderSvg(&stream, 800, 800)
goto % IsSet(pBitmap) ? "bitmap" : "stream"
}
; Determine whether the stream should be decoded into pixels.
weight := decode || crop || scale || upscale || downscale || sprite ||
; Check if the 1st parameter matches the extension.
!( cotype ~= "^(?i:encodedbuffer|url|hex|base64|uri|stream|randomaccessstream|safearray)$"
&& (!p.HasKey(1) || p[1] == "" || p[1] = extension)
; Check if the 2nd parameter matches the extension.
|| cotype = "formdata"
&& (!p.HasKey(2) || p[2] == "" || p[2] = extension)
; For files, if the desired extension is not supported, it is ignored.
|| cotype = "file"
&& (!p.HasKey(1) || p[1] == "" || p[1] ~= "(^|:|\\|\.)" extension "$"
|| !(RegExReplace(p[1], "^.*(?:^|:|\\|\.)(.*)$", "$1")
~= "^(?i:avif|avifs|bmp|dib|rle|gif|heic|heif|hif|jpg|jpeg|jpe|jfif|png|tif|tiff)$"))
; Pass through all other cotypes.
|| cotype)
; MsgBox % weight ? "convert to pixels" : "stay as stream"
if weight
goto clean_stream
; Attempt conversion using StreamToCoimage.
try coimage := this.StreamToCoimage(cotype, stream, p*)
catch e
if (e.Message ~= "^Conversion from")
goto clean_stream
else throw
; Clean up the copy. Export raw pointers if requested.
if (cotype != "stream")
ObjRelease(stream)
goto exit
; Otherwise export the image as a stream.
clean_stream:
type := "stream"
image := stream
cleanup := "stream"
; #2 - Fallback to GDI+ bitmap as the intermediate.
make_bitmap:
if !(pBitmap := this.ImageToBitmap(type, image, keywords))
throw Exception("pBitmap cannot be zero.")
; GdipImageForceValidation must be called immediately or it fails silently.
bitmap:
(validate) && DllCall("gdiplus\GdipImageForceValidation", "ptr", pBitmap)
(crop) && this.BitmapCrop(pBitmap, crop)
(scale) && this.BitmapScale(pBitmap, scale)
(upscale) && this.BitmapScale(pBitmap, upscale, 1)
(downscale) && this.BitmapScale(pBitmap, downscale, -1)
(sprite) && this.BitmapSprite(pBitmap)
; Save frame delays and loop count for webp.
if (type = "stream" && extension = "webp" && cotype ~= "^(?i:show|window)$") {
this.ParseWebp(stream, pDelays, pCount)
DllCall("gdiplus\GdipSetPropertyItem", "ptr", pBitmap, "ptr", pDelays)
DllCall("gdiplus\GdipSetPropertyItem", "ptr", pBitmap, "ptr", pCount)
}
; Attempt conversion using BitmapToCoimage.
coimage := this.BitmapToCoimage(cotype, pBitmap, p*)
; Clean up the copy. Export raw pointers if requested.
if (cotype != "bitmap")
DllCall("gdiplus\GdipDisposeImage", "ptr", pBitmap)
if (cleanup = "stream")
ObjRelease(stream)
exit:
; Check for dangling pointers.
this.gdiplusShutdown(cotype)
return coimage
}
static inputs :=
( Join
[
"ClipboardPng",
"Clipboard",
"SafeArray",
"Screenshot",
"Window",
"Object",
"EncodedBuffer",
"Buffer",
"Monitor",
"Desktop",
"Wallpaper",
"Cursor",
"Url",
"File",
"SharedBuffer",
"Hex",
"Base64",
"DC",
"HBitmap",
"HIcon",
"Bitmap",
"Stream",
"RandomAccessStream",
"WicBitmap",
"D2dBitmap"
]
)
DontVerifyImageType(ByRef image, ByRef keywords := "") {
; Sentinel value.
keywords := {}
; Try ImageType.
if !IsObject(image)
throw Exception("Must be an object.")
; Goto ImageType.
if image.HasKey("image") {
keywords := image
image := image.image
throw Exception("Must catch this error with ImageType.")
}
; Skip ImageType.
for i, type in this.inputs
if image.HasKey(type) {
keywords := image
image := image[type]
return type
}
; Continue ImageType.
throw Exception("Invalid type.")
}
ImageType(image) {
; Throw if the image is an empty string.
if (image == "")
; A "clipboardpng" is a pointer to a PNG stream saved as the "png" clipboard format.
if DllCall("IsClipboardFormatAvailable", "uint", DllCall("RegisterClipboardFormat", "str", "png", "uint"))
return "ClipboardPng"
; A "clipboard" is a handle to a GDI bitmap saved as CF_BITMAP.
else if DllCall("IsClipboardFormatAvailable", "uint", 2)
return "Clipboard"
else throw Exception("Image data is an empty string.")
if not IsObject(image)
goto string
array:
; A "safearray" is a pointer to a SafeArray COM Object.
if ComObjType(image) and ComObjType(image) & 0x2000
return "SafeArray"
; A "screenshot" is an array of 4 numbers with an optional window.
if image.length() ~= "4|5"
&& image[1] ~= "^-?\d+$" && image[2] ~= "^-?\d+$" && image[3] ~= "^\d+$" && image[4] ~= "^\d+$"
&& (image.HasKey(5) ? WinExist(image[5]) : True)
return "Screenshot"
object:
; A "window" is an object with an hwnd property.
if image.HasKey("hwnd")
return "Window"
; A "object" has a pBitmap property that points to an internal GDI+ bitmap.
if image.HasKey("pBitmap")
try if !DllCall("gdiplus\GdipGetImageType", "ptr", image.pBitmap, "ptr*", _type:=0) && (_type == 1)
return "Object"
if not image.HasKey("ptr")
goto end
; Check if image is a pointer. If not, crash and do not recover.
("POINTER IS BAD AND PROGRAM IS CRASH") && NumGet(image.ptr, "char")
; An "encodedbuffer" contains a pointer to the bytes of an encoded image format.
if image.HasKey("ptr") && image.HasKey("size") && this.IsImage(image.ptr, image.size)
return "EncodedBuffer"
; A "buffer" is an object with a pointer to bytes and properties to determine its 2-D shape.
if image.HasKey("ptr")
and ( image.HasKey("width") && image.HasKey("height")
or image.HasKey("stride") && image.HasKey("height")
or image.HasKey("size") && (image.HasKey("stride") || image.HasKey("width") || image.HasKey("height")))
return "Buffer"
image := image.ptr
goto pointer
string:
if (image == "")
throw Exception("Image data is an empty string.")
SysGet MonitorGetCount, MonitorCount ; A non-zero "monitor" number identifies each display uniquely; and 0 refers to the entire virtual screen.
if (image ~= "^\d+$" && 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)$")
return "Cursor"
; A "url" satisfies the url format.
if this.IsUrl(image)
return "Url"
; A "file" is stored on the disk or network.
if FileExist(image)
return "File"
; A "window" is anything considered a Window Title including ahk_class and "A".
if WinExist(image) || DllCall("IsWindow", "ptr", image)
return "Window"
; A "sharedbuffer" is a file mapping kernel object.
if DllCall("CloseHandle", "ptr", DllCall("OpenFileMapping", "uint", 2, "int", 0, "str", image, "ptr"))
return "SharedBuffer"
; A "hex" string is binary image data encoded into text using hexadecimal.
if (StrLen(image) >= 48) && (image ~= "^\s*(?:[A-Fa-f0-9]{2})*+\s*$")
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*$")
return "Base64"
; For more helpful error messages: Catch file names without extensions!
if not (image ~= "^-?\d+$") {
for i, extension in ["bmp","dib","rle","jpg","jpeg","jpe","jfif","gif","tif","tiff","png","ico","exe","dll"]
if FileExist(image "." extension)
throw Exception("A ." extension " file extension is required!", -4)
goto end
}
handle:
; 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"
; Check if image is a pointer. If not, crash and do not recover.
("POINTER IS BAD AND PROGRAM IS CRASH") && NumGet(image+0, "char")
; A "bitmap" is a pointer to a GDI+ Bitmap. GdiplusStartup exception is caught above.
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 on 64-bit systems.
; 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.
(A_PtrSize == 8) && ObjRelease(image) ; Therefore do not move this, it has been tested.
pointer:
; A "stream" is a pointer to the IStream interface.
try if ComObjQuery(image, "{0000000C-0000-0000-C000-000000000046}")
return "Stream", ObjRelease(image)
; A "randomaccessstream" is a pointer to the IRandomAccessStream interface.
try if ComObjQuery(image, "{905A0FE1-BC53-11DF-8C49-001E4FC686DA}")
return "RandomAccessStream", ObjRelease(image)
; A "wicbitmap" is a pointer to a IWICBitmapSource.
try if ComObjQuery(image, "{00000120-A8F2-4877-BA0A-FD2B6645FB94}")
return "WicBitmap", ObjRelease(image)
; A "d2dbitmap" is a pointer to a ID2D1Bitmap.
try if ComObjQuery(image, "{A2296057-EA42-4099-983B-539FB6505426}")
return "D2dBitmap", ObjRelease(image)
end:
throw Exception("Image type could not be identified.")
}
ImageToBitmap(type, image, keywords := "") {
try index := keywords.index
if (type = "ClipboardPng")
return this.ClipboardPngToBitmap()
if (type = "Clipboard")
return this.ClipboardToBitmap()
if (type = "SafeArray")
return this.SafeArrayToBitmap(image)
if (type = "Screenshot")
return this.ScreenshotToBitmap(image)
if (type = "Window")
return this.WindowToBitmap(image)
if (type = "Object")
return this.BitmapToBitmap(image.pBitmap)
if (type = "EncodedBuffer")
return this.EncodedBufferToBitmap(image)
if (type = "Buffer")
return this.BufferToBitmap(image)
if (type = "SharedBuffer")
return this.SharedBufferToBitmap(image)
if (type = "Monitor")
return this.MonitorToBitmap(image)
if (type = "Desktop")
return this.DesktopToBitmap()
if (type = "Wallpaper")
return this.WallpaperToBitmap()
if (type = "Cursor")
return this.CursorToBitmap()
if (type = "Url")
return this.UrlToBitmap(image)
if (type = "File")
return this.FileToBitmap(image)
if (type = "Hex")
return this.HexToBitmap(image)
if (type = "Base64")
return this.Base64ToBitmap(image)
if (type = "DC")
return this.DCToBitmap(image)
if (type = "HBitmap")
return this.HBitmapToBitmap(image)
if (type = "HIcon")
return this.HIconToBitmap(image)
if (type = "Bitmap")
return this.BitmapToBitmap(image)
if (type = "Stream")
return this.StreamToBitmap(image)
if (type = "RandomAccessStream")
return this.RandomAccessStreamToBitmap(image)
if (type = "WicBitmap")
return this.WicBitmapToBitmap(image)
if (type = "D2dBitmap")
return this.D2dBitmapToBitmap(image)
throw Exception("Conversion from " type " to bitmap is not supported.")
}
BitmapToCoimage(cotype, pBitmap, p1:="", p2:="", p3:="", p4:="", p5:="", p6:="", p7:="", p*) {
if (cotype = "Clipboard") ; (pBitmap)
return this.BitmapToClipboard(pBitmap)
if (cotype = "Screenshot") ; (pBitmap, pos, alpha)
return this.BitmapToScreenshot(pBitmap, p1, p2)
if (cotype = "Window") ; (pBitmap, title, pos, style, styleEx, parent, playback, cache)
return this.BitmapToWindow(pBitmap, p1, p2, p3, p4, p5, p6, p7)
if (cotype = "Show") ; (pBitmap, title, pos, style, styleEx, parent, playback, cache)
return this.Show(pBitmap, p1, p2, p3, p4, p5, p6, p7)
if (cotype = "EncodedBuffer") ; (pBitmap, extension, quality)
return this.BitmapToEncodedBuffer(pBitmap, p1, p2)
if (cotype = "Buffer") ; (pBitmap)
return this.BitmapToBuffer(pBitmap)
if (cotype = "SharedBuffer") ; (pBitmap, name)
return this.BitmapToSharedBuffer(pBitmap, p1)
if (cotype = "Desktop") ; (pBitmap)
return this.BitmapToDesktop(pBitmap)
if (cotype = "Wallpaper") ; (pBitmap)
return this.BitmapToWallpaper(pBitmap)
if (cotype = "Cursor") ; (pBitmap, xHotspot, yHotspot)
return this.BitmapToCursor(pBitmap, p1, p2)
if (cotype = "Url") ; (pBitmap)
return this.BitmapToUrl(pBitmap)
if (cotype = "File") ; (pBitmap, filepath, quality)
return this.BitmapToFile(pBitmap, p1, p2)
if (cotype = "Hex") ; (pBitmap, extension, quality)
return this.BitmapToHex(pBitmap, p1, p2)
if (cotype = "Base64") ; (pBitmap, extension, quality)
return this.BitmapToBase64(pBitmap, p1, p2)
if (cotype = "Uri") ; (pBitmap, extension, quality)
return this.BitmapToUri(pBitmap, p1, p2)
if (cotype = "DC") ; (pBitmap, alpha)
return this.BitmapToDC(pBitmap, p1)
if (cotype = "HBitmap") ; (pBitmap, alpha)
return this.BitmapToHBitmap(pBitmap, p1)
if (cotype = "HIcon") ; (pBitmap)
return this.BitmapToHIcon(pBitmap)
if (cotype = "Bitmap")
return pBitmap
if (cotype = "Stream") ; (pBitmap, extension, quality)
return this.BitmapToStream(pBitmap, p1, p2)
if (cotype = "RandomAccessStream") ; (pBitmap, extension, quality)
return this.BitmapToRandomAccessStream(pBitmap, p1, p2)
if (cotype = "WicBitmap") ; (pBitmap)
return this.BitmapToWicBitmap(pBitmap)
if (cotype = "Explorer") ; (pBitmap, default)
return this.BitmapToExplorer(pBitmap, p1)
if (cotype = "SafeArray") ; (pBitmap, extension, quality)
return this.BitmapToSafeArray(pBitmap, p1, p2)
if (cotype = "FormData") ; (pBitmap, boundary, extension, quality)
return this.BitmapToFormData(pBitmap, p1, p2, p3)
throw Exception("Conversion from bitmap to " cotype " is not supported.")
}
ImageToStream(type, image, keywords := "") {
try index := keywords.index
if (type = "ClipboardPng")
return this.ClipboardPngToStream()
if (type = "SafeArray")
return this.SafeArrayToStream(image)
if (type = "EncodedBuffer")
return this.EncodedBufferToStream(image)
if (type = "Url")
return this.UrlToStream(image)
if (type = "File")
return this.FileToStream(image)
if (type = "Hex")
return this.HexToStream(image)
if (type = "Base64")
return this.Base64ToStream(image)
if (type = "Stream")
return this.StreamToStream(image)
if (type = "RandomAccessStream")
return this.RandomAccessStreamToStream(image)
throw Exception("Conversion from " type " to stream is not supported.")
}
StreamToCoimage(cotype, stream, p1 := "", p2 := "", p*) {
if (cotype = "Clipboard") ; (stream)
return this.StreamToClipboard(stream)
if (cotype = "EncodedBuffer") ; (stream)
return this.StreamToEncodedBuffer(stream)
if (cotype = "File") ; (stream, filepath)
return this.StreamToFile(stream, p1)
if (cotype = "Hex") ; (stream)
return this.StreamToHex(stream)
if (cotype = "Base64") ; (stream)
return this.StreamToBase64(stream)
if (cotype = "Uri") ; (stream)
return this.StreamToUri(stream)
if (cotype = "Stream")
return stream
if (cotype = "RandomAccessStream") ; (stream)
return this.StreamToRandomAccessStream(stream)
if (cotype = "Explorer") ; (stream, default)
return this.StreamToExplorer(stream, p1)
if (cotype = "SafeArray") ; (stream)
return this.StreamToSafeArray(stream)
if (cotype = "FormData") ; (stream, boundary)
return this.StreamToFormData(stream, p1)
throw Exception("Conversion from stream to " cotype " is not supported.")
}
BitmapCrop(ByRef pBitmap, crop) {
if not (IsObject(crop)
&& crop[1] ~= "^-?\d+(\.\d*)?%?$" && crop[2] ~= "^-?\d+(\.\d*)?%?$"
&& crop[3] ~= "^-?\d+(\.\d*)?%?$" && crop[4] ~= "^-?\d+(\.\d*)?%?$")
throw Exception("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.
crop[1] := Round(crop[1])
crop[2] := Round(crop[2])
crop[3] := Round(crop[1] + crop[3]) - Round(crop[1])
crop[4] := Round(crop[2] + crop[4]) - Round(crop[2])
; Avoid cropping if no changes are detected.
if (crop[1] = 0 && crop[2] = 0 && crop[3] == width && crop[4] == height)
return pBitmap
; Minimum size is 1 x 1. Ensure that coordinates can never exceed the expected Bitmap area.
safe_x := (crop[1] >= width)
safe_y := (crop[2] >= height)
safe_w := (crop[3] <= 0 || crop[1] + crop[3] > width)
safe_h := (crop[4] <= 0 || crop[2] + crop[4] > height)
; Abort cropping if any of the changes would exceed a safe bound.
if (safe_x || safe_y || safe_w || safe_h)
return pBitmap
; Clone and retain a reference to the backing stream.
DllCall("gdiplus\GdipCloneBitmapAreaI"
, "int", crop[1]
, "int", crop[2]
, "int", crop[3]
, "int", crop[4]
, "int", format
, "ptr", pBitmap
, "ptr*", pBitmapCrop:=0)
DllCall("gdiplus\GdipDisposeImage", "ptr", pBitmap)
return pBitmap := pBitmapCrop
}
BitmapScale(ByRef pBitmap, scale, direction := 0) {
if not (IsObject(scale) && ((scale[1] ~= "^\d+$") || (scale[2] ~= "^\d+$")) || (scale ~= "^\d+(\.\d+)?$"))
throw Exception("Invalid scale.")
; Get Bitmap width, height, and format.
DllCall("gdiplus\GdipGetImageWidth", "ptr", pBitmap, "uint*", width:=0)
DllCall("gdiplus\GdipGetImageHeight", "ptr", pBitmap, "uint*", height:=0)
DllCall("gdiplus\GdipGetImagePixelFormat", "ptr", pBitmap, "int*", format:=0)
if IsObject(scale) {
safe_w := (scale[1] ~= "^\d+$") ? 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
; Force upscaling.
if (direction > 0 and (safe_w < width && safe_h < height))
return pBitmap
; Force downscaling.
if (direction < 0 and (safe_w > width && safe_h > height))
return pBitmap
; Create a destination GDI+ Bitmap that owns its memory.
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, "uint", 0, "int", 0) ; 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
}
BitmapSprite(ByRef pBitmap) {
; Get Bitmap width and height.
DllCall("gdiplus\GdipGetImageWidth", "ptr", pBitmap, "uint*", width:=0)
DllCall("gdiplus\GdipGetImageHeight", "ptr", pBitmap, "uint*", height:=0)
; Create a pixel buffer.
VarSetCapacity(Rect, 16, 0) ; sizeof(Rect) = 16
NumPut( width, Rect, 8, "uint") ; Width
NumPut( height, Rect, 12, "uint") ; Height
VarSetCapacity(BitmapData, 16+2*A_PtrSize, 0) ; sizeof(BitmapData) = 24, 32
DllCall("gdiplus\GdipBitmapLockBits"
, "ptr", pBitmap
, "ptr", &Rect
, "uint", 3 ; ImageLockMode.ReadWrite
, "int", 0x26200A ; Format32bppArgb
, "ptr", &BitmapData)
Scan0 := NumGet(BitmapData, 16, "ptr")
; C source code - https://godbolt.org/z/nrv5Yr3Y3
static code := 0
if !code {
b64 := (A_PtrSize == 4)
? "VYnli0UIi1UMi00QOdBzDzkIdQbHAAAAAACDwATr7V3D"
: "SDnRcw9EOQF1BDHAiQFIg8EE6+zD"
s64 := StrLen(RTrim(b64, "=")) * 3 // 4
code := DllCall("GlobalAlloc", "uint", 0, "uptr", s64, "ptr")
DllCall("crypt32\CryptStringToBinary", "str", b64, "uint", 0, "uint", 0x1, "ptr", code, "uint*", s64, "ptr", 0, "ptr", 0)
DllCall("VirtualProtect", "ptr", code, "ptr", s64, "uint", 0x40, "uint*", 0)
}
; Sample the top-left pixel and set all matching pixels to be transparent.
DllCall(code, "ptr", Scan0, "ptr", Scan0 + 4*width*height, "uint", NumGet(Scan0+0, "uint"), "cdecl")
; Write pixels to bitmap.
DllCall("gdiplus\GdipBitmapUnlockBits", "ptr", pBitmap, "ptr", &BitmapData)
return pBitmap
}
IsImage(ptr, size) {
; Shortest possible image is 24 bytes.
if (size < 24)
return False
size := min(size, 2048)
length := VarSetCapacity(str, (2*size + (size-1) + 1) * (A_IsUnicode ? 2 : 1))
DllCall("crypt32\CryptBinaryToString", "ptr", ptr, "uint", size, "uint", 0x40000004, "str", str, "uint*", length)
if str ~= "(?i)66 74 79 70 61 76 69 66" ; "avif"
|| str ~= "(?i)^42 4d (.. ){36}00 00 .. 00 00 00" ; "bmp"
|| str ~= "(?i)^01 00 00 00 (.. ){36}20 45 4D 46" ; "emf"
|| str ~= "(?i)^47 49 46 38 (37|39) 61" ; "gif"
|| str ~= "(?i)66 74 79 70 68 65 69 63" ; "heic"
|| str ~= "(?i)^00 00 01 00" ; "ico"
|| str ~= "(?i)^ff d8 ff" ; "jpg"