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TextRender.ahk
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; Script: TextRender.ahk
; License: MIT License
; Author: Edison Hua (iseahound)
; Github: https://github.com/iseahound/TextRender
; Date: 2024-11-22
; Version: 1.9.3
#Requires AutoHotkey v2.0-beta.13+
; TextRender() - Display custom text on screen.
class TextRender {
static call(text:="", background_style:="", text_style:="") {
if (text == "" && background_style == "" && text_style == "")
return super()
return super().Render(text, background_style, text_style)
}
__New(title := "", style := 0x80000000, styleEx := 0x80088, parent := 0
, OffsetLeft := 0, OffsetTop := 0, ScaleWidth := False, ScaleHeight := False) {
TextRender.gdiplusStartup()
; Create the window and save a reference to this instance.
hwnd := this.CreateWindow(title, style, styleEx, parent)
DllCall("SetWindowLong" (A_PtrSize=8 ? "Ptr":""), "ptr", hwnd, "int", 0, "ptr", ObjPtr(this))
; Check if a custom parent window was set and save it.
parent := DllCall("GetAncestor", "ptr", hwnd, "uint", 1, "ptr")
(parent == DllCall("GetDesktopWindow", "ptr")) && parent := 0
; Show the window without activating it. (WS_VISIBLE wouldn't work here.)
DllCall("ShowWindow", "ptr", hwnd, "int", 4) ; SW_SHOWNOACTIVATE
; Save parameters.
this.hwnd := hwnd
this.parent := parent
this.OffsetLeft := OffsetLeft
this.OffsetTop := OffsetTop
this.ScaleWidth := ScaleWidth
this.ScaleHeight := ScaleHeight
; These are always preserved between all calls.
this.style1 := ""
this.style2 := ""
this.layers := []
this.status := 0xFFFF0001 ; Resets when the lower 16 bits overflow.
; Initalize default events.
this.events := Map()
this.OnEvent("LeftMouseDown", this.EventMoveWindow)
this.OnEvent("MiddleMouseDown", this.EventShowCoordinates)
this.OnEvent("RightMouseDown", this.EventCopyData)
; The current memory state is uninitialized, and will be allocated by UpdateMemory().
this.memorystate := 0
return this
}
__Delete() {
; __Delete → DestroyWindow → WM_DESTROY → FreeMemory → Remove Persistence → ExitApp
this.DestroyWindow() ; Calls FreeMemory()
TextRender.gdiplusShutdown()
}
; Window Styles
Default() {
; Left Click to drag. Right click to close.
return this
.OnEvent("MiddleMouseDown", "")
.OnEvent("RightMouseDown", "")
.OnEvent("RightMouseUp", this.DestroyWindow)
}
None() {
; Removes all events.
return this
.OnEvent("LeftMouseDown", "")
.OnEvent("MiddleMouseDown", "")
.OnEvent("RightMouseDown", "")
}
Show() {
DllCall("ShowWindow", "ptr", this.hwnd, "int", 4) ; SW_SHOWNOACTIVATE
return this
}
Hide() {
DllCall("ShowWindow", "ptr", this.hwnd, "int", 0) ; SW_HIDE
return this
}
ToggleVisible() {
DllCall("IsWindowVisible", "ptr", this.hwnd) ? this.Hide() : this.Show()
return this
}
TopMost() {
WinSetAlwaysOnTop 1, "ahk_id" this.hwnd
return this
}
AlwaysOnTop() {
WinSetAlwaysOnTop -1, "ahk_id" this.hwnd
return this
}
ClickThrough() {
return this.ToggleExStyle(0x20)
}
NoActivate() {
return this.ToggleExStyle(0x8000000)
}
ToggleStyle(long) {
return this.ToggleWindowLong(-16, long)
}
ToggleExStyle(long) {
return this.ToggleWindowLong(-20, long)
}
ToggleWindowLong(index, long) {
value := DllCall("GetWindowLong", "ptr", this.hwnd, "int", index, "int")
(value & long) == long
? DllCall("SetWindowLong", "ptr", this.hwnd, "int", index, "int", value ^ long)
: DllCall("SetWindowLong", "ptr", this.hwnd, "int", index, "int", value | long)
return this
}
; Simple Questions and Tests
InBounds() { ; Requires memorystate 2 or greater
; Check if canvas coordinates are inside bitmap coordinates.
return this.x >= this.BitmapLeft
and this.y >= this.BitmapTop
and this.x2 <= this.BitmapRight
and this.y2 <= this.BitmapBottom
}
Bounds() { ; Requires memorystate 2 or greater
return [this.x, this.y, this.x2, this.y2]
}
Rect() { ; Requires memorystate 2 or greater
return [this.x, this.y, this.w, this.h]
}
; Renders and Effects
RenderAgain() {
if (this.memorystate < 3)
return this
DllCall("QueryPerformanceFrequency", "int64*", &frequency:=0)
DllCall("QueryPerformanceCounter", "int64*", &end:=0)
time_elapsed := (end - this.t0) / frequency * 1000
remaining_time := this.t - time_elapsed
if (this.t == 0 || remaining_time > 0) {
this.UpdateMemory()
this.Redraw()
this.UpdateLayeredWindow()
; Create a timer that eventually clears the canvas.
if (remaining_time > 0) {
; Create a reference to the object held by a timer.
blank := ObjBindMethod(this, "blank", this.status) ; Calls Blank()
SetTimer blank, -remaining_time ; Calls __Delete.
}
}
this.memorystate := 3
return this
}
Render(terms*) {
this.Draw(terms*)
; Reminder: Only the visible screen area will be rendered. Clipping will occur.
this.UpdateLayeredWindow()
; Start Timestamp
DllCall("QueryPerformanceCounter", "int64*", &start:=0)
this.t0 := start
; Create a timer that eventually clears the canvas.
if (this.t > 0) {
; Create a reference to the object held by a timer.
blank := ObjBindMethod(this, "blank", this.status) ; Calls Blank()
SetTimer blank, -this.t ; Calls __Delete.
}
; Ensure that Flush() will be called at the start of a new drawing.
; This approach keeps this.layers and the underlying graphics intact,
; so that calls to Save() and Screenshot() will not encounter a blank canvas.
this.memorystate := 3
return this
}
RenderOnScreen(terms*) {
this.Draw(terms*)
; Allow Render() to commit when previous Draw() has happened.
if (this.layers.length > 0) {
; Use the default rendering when the canvas coordinates fall within the bitmap area.
if this.InBounds()
return this.Render(terms*)
; Render objects that reside off screen.
; Create a new bitmap using the width and height of the canvas object.
hdc := DllCall("CreateCompatibleDC", "ptr", 0, "ptr")
bi := Buffer(40, 0) ; sizeof(bi) = 40
NumPut( "uint", 40, bi, 0) ; Size
NumPut( "int", this.w, bi, 4) ; Width
NumPut( "int", -this.h, bi, 8) ; Height - Negative so (0, 0) is top-left.
NumPut("ushort", 1, bi, 12) ; Planes
NumPut("ushort", 32, bi, 14) ; BitCount / BitsPerPixel
hbm := DllCall("CreateDIBSection", "ptr", hdc, "ptr", bi, "uint", 0, "ptr*", &pBits:=0, "ptr", 0, "uint", 0, "ptr")
obm := DllCall("SelectObject", "ptr", hdc, "ptr", hbm, "ptr")
DllCall("gdiplus\GdipCreateFromHDC", "ptr", hdc, "ptr*", &Graphics:=0)
DllCall("gdiplus\GdipTranslateWorldTransform", "ptr", Graphics, "float", -this.x, "float", -this.y, "int", 0)
; Redraw on the canvas.
for i, layer in this.layers
this.DrawOnGraphics(Graphics, layer[1], layer[2], layer[3], this.BitmapWidth, this.BitmapHeight)
; Show the objects on screen.
; This suffers from a windows limitation in that windows will appear in places that do not match the intended coordinates.
; Therefore this is not the default rendering approach as style commands are not respected.
DllCall("UpdateLayeredWindow"
, "ptr", this.hwnd ; hWnd
, "ptr", 0 ; hdcDst
,"uint64*", this.x | this.y << 32 ; *pptDst
,"uint64*", this.w | this.h << 32 ; *psize
, "ptr", hdc ; hdcSrc
,"uint64*", 0 ; *pptSrc
, "uint", 0 ; crKey
, "uint*", 0xFF << 16 | 0x01 << 24 ; *pblend
, "uint", 2) ; dwFlags
; Adjust location
DllCall("SetWindowPos", "ptr", this.hwnd, "ptr", 0, "int", this.x, "int", this.y, "int", 0, "int", 0
, "uint", 0x400 | 0x10 | 0x4 | 0x1) ; SWP_NOSENDCHANGING | SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOSIZE
; Cleanup
DllCall("gdiplus\GdipDeleteGraphics", "ptr", Graphics)
DllCall("SelectObject", "ptr", hdc, "ptr", obm)
DllCall("DeleteObject", "ptr", hbm)
DllCall("DeleteDC", "ptr", hdc)
; Set Coordinates
WinGetPos &x, &y, &w, &h, "ahk_id " this.hwnd
this.WindowLeft := x
this.WindowTop := y
this.WindowWidth := w
this.WindowHeight := h
this.WindowRight := this.WindowLeft + this.WindowWidth
this.WindowBottom := this.WindowTop + this.WindowHeight
}
; Start Timestamp
DllCall("QueryPerformanceCounter", "int64*", &start:=0)
this.t0 := start
; Create a timer that eventually clears the canvas.
if (this.t > 0) {
; Create a reference to the object held by a timer.
blank := ObjBindMethod(this, "blank", this.status) ; Calls Blank()
SetTimer blank, -this.t ; Calls __Delete.
}
this.memorystate := 3
return this
}
; Fade is actually broken with how it interfaces with Render().
Fade(fade_in := 250, fade_out := 250, status := "") {
if (fade_in > 0) {
; Render: Off-Screen areas are not rendered. Clip objects that reside off screen.
duration := 0
current := -1
;count := 0
DllCall("QueryPerformanceFrequency", "int64*", &frequency:=0)
DllCall("QueryPerformanceCounter", "int64*", &start:=0)
while (duration < fade_in) {
alpha := Ceil(duration/fade_in * 255)
if (alpha != current) {
;if (count != alpha)
; FileAppend % count ", " alpha "`n", log.txt
;count++
this.UpdateLayeredWindow(alpha)
current := alpha
}
DllCall("QueryPerformanceCounter", "int64*", &now:=0)
duration := (now - start)/frequency * 1000
}
if (alpha != 255)
this.UpdateLayeredWindow()
; Start Timestamp
DllCall("QueryPerformanceCounter", "int64*", &start:=0)
this.t0 := start
; Create a timer that eventually clears the canvas.
if (this.t > 0) {
; Create a reference to the object held by a timer.
fade := ObjBindMethod(this, "fade", 0, fade_out, this.status) ; Calls Fade() with no fade_in.
SetTimer fade, -this.t ; Calls __Delete.
}
this.memorystate := 3
return this
}
; Check to see if the state of the canvas has changed before clearing and updating.
if (fade_out > 0 && this.status = status) {
duration := 0
current := -1
;count := 0
DllCall("QueryPerformanceFrequency", "int64*", &frequency:=0)
DllCall("QueryPerformanceCounter", "int64*", &start:=0)
while (duration < fade_out) {
alpha := 255 - Ceil(duration/fade_out * 255)
if (alpha != current) {
;if (count != alpha)
; FileAppend % count ", " alpha "`n", log.txt
;count++
this.UpdateLayeredWindow(alpha)
current := alpha
}
DllCall("QueryPerformanceCounter", "int64*", &now:=0)
duration := (now - start)/frequency * 1000
}
this.UpdateLayeredWindow(0)
return this
}
}
; Basic Methods
Draw(data := "", style1 := "", style2 := "") {
; Check if the screen or window or window size has changed.
this.UpdateMemory() ; Calls LoadMemory() if needed.
; Redraw the canvas if any layers are present.
if (this.memorystate == 1)
this.Redraw()
; Clear the canvas as it has been rendered to screen.
if (this.memorystate == 3)
this.Flush()
; Use previous styles if blank.
(style1 = "" && style2 = "") && (style1 := this.style1, style2 := this.style2)
; Save data and styles into layers.
this.data := data
this.style1 := style1, this.style2 := style2
this.layers.push([data, style1, style2])
this.Paint(data, style1, style2)
; Create a unique signature for each call to Draw().
this.CanvasChanged()
this.memorystate := 2
return this
}
Paint(data := "", style1 := "", style2 := "") {
; Drawing
try dpi := DllCall("SetThreadDpiAwarenessContext", "ptr", -3, "ptr")
obj := this.DrawOnGraphics(this.Graphics, data, style1, style2
, this.ScaleWidth ? this.BitmapWidth : A_ScreenWidth
, this.ScaleHeight ? this.BitmapHeight : A_ScreenHeight)
try DllCall("SetThreadDpiAwarenessContext", "ptr", dpi, "ptr")
; Set canvas coordinates.
this.t := this.HasProp("t") ? max(this.t, obj.t) : obj.t
this.x := this.HasProp("x") ? min(this.x, obj.x) : obj.x
this.y := this.HasProp("y") ? min(this.y, obj.y) : obj.y
this.x2 := this.HasProp("x2") ? max(this.x2, obj.x2) : obj.x2
this.y2 := this.HasProp("y2") ? max(this.y2, obj.y2) : obj.y2
this.w := this.x2 - this.x
this.h := this.y2 - this.y
this.chars := obj.chars
this.words := obj.words
this.lines := obj.lines
}
Flush() {
if (this.memorystate < 2)
return this
DllCall("gdiplus\GdipSetClipRect", "ptr", this.Graphics, "float", this.x, "float", this.y, "float", this.w, "float", this.h, "int", 0)
DllCall("gdiplus\GdipGraphicsClear", "ptr", this.Graphics, "uint", 0x00FFFFFF) ; All colors are the same speed.
DllCall("gdiplus\GdipResetClip", "ptr", this.Graphics)
this.CanvasChanged()
try this.DeleteProp("t")
try this.DeleteProp("x")
try this.DeleteProp("y")
try this.DeleteProp("x2")
try this.DeleteProp("y2")
try this.DeleteProp("w")
try this.DeleteProp("h")
try this.DeleteProp("chars")
try this.DeleteProp("words")
try this.DeleteProp("lines")
; Redraws are no longer possible!
this.layers := []
this.memorystate := 1
return this
}
Redraw() {
if (this.memorystate == 0)
this.UpdateMemory()
if (this.memorystate > 1)
return this
for i, layer in this.layers
this.Paint(layer*)
this.memorystate := 2
return this
}
Clear() {
this.Flush()
this.UpdateLayeredWindow(0)
return this
}
UpdateLayeredWindow(alpha := 255) {
if (this.memorystate == 1) {
; Make the window completely invisible but preserves what was already on screen.
DllCall("UpdateLayeredWindow"
, "ptr", this.hwnd ; hWnd
, "ptr", 0 ; hdcDst
, "ptr", 0 ; *pptDst
, "ptr", 0 ; *psize
, "ptr", 0 ; hdcSrc
, "ptr", 0 ; *pptSrc
, "uint", 0 ; crKey
, "uint*", 0 << 16 | 0x01 << 24 ; *pblend
, "uint", 2 ; dwFlags
, "int") ; Success = 1
}
if (this.memorystate >= 2) {
; Define the smaller of canvas and bitmap coordinates.
x := this.WindowLeft := max(this.BitmapLeft, this.x)
y := this.WindowTop := max(this.BitmapTop, this.y)
x2 := this.WindowRight := min(this.BitmapRight, this.x2)
y2 := this.WindowBottom := min(this.BitmapBottom, this.y2)
w := this.WindowWidth := this.WindowRight - this.WindowLeft
h := this.WindowHeight := this.WindowBottom - this.WindowTop
; Changing x, y, w, h to be stationary does not provide a speed boost.
; Nor does making the window opaque.
pptDst := x - this.OffsetLeft << 32 >>> 32 | y - this.OffsetTop << 32
pptSrc := x - this.BitmapLeft << 32 >>> 32 | y - this.BitmapTop << 32
DllCall("UpdateLayeredWindow"
, "ptr", this.hwnd ; hWnd
, "ptr", 0 ; hdcDst
,"uint64*", pptDst ; *pptDst
,"uint64*", w | h << 32 ; *psize
, "ptr", this.hdc ; hdcSrc
,"uint64*", pptSrc ; *pptSrc
, "uint", 0 ; crKey
, "uint*", alpha << 16 | 0x01 << 24 ; *pblend
, "uint", 2 ; dwFlags
, "int") ; Success = 1
; Fixes a long standing bug where Windows forgets which windows are on top.
; Seems to happen mostly when connecting a laptop to an external monitor.
WinSetAlwaysOnTop True, this.hwnd
}
return this
}
; Timers and Queues
Sleep(sleep_time := 0, wait_time := 0) {
this.Wait(wait_time)
if (sleep_time > 0) {
this.UpdateLayeredWindow(0)
this.memorystate := 3
Sleep sleep_time
}
return this
}
Wait(wait_time := 0) {
; Allow the user to override the original duration with a positive number.
(wait_time <= 0) && wait_time := (this.HasProp("t") ? this.t : 0)
if (wait_time > 0) {
; Prevents the timer from blanking the canvas.
this.UpdateStatus()
; Always use QPC over GetTickCount for finer time intervals.
DllCall("QueryPerformanceFrequency", "int64*", &frequency:=0)
loop {
DllCall("QueryPerformanceCounter", "int64*", &end:=0)
elapsed_time := (end - this.t0) / frequency * 1000
remaining_time := wait_time - elapsed_time
if (remaining_time > 30)
Sleep 10
if (remaining_time <= 0)
break
}
}
return this ; Allow the next render call to update the current window.
}
CanvasChanged() {
this.UpdateStatus()
try if callback := this.events["CanvasChange"]
return (callback.MaxParams = 0) ? callback() : callback(this) ; Callbacks have a reference to "this".
}
UpdateStatus() {
this.status += 1
if 0xFFFF & this.status == 0xFFFF {
h := Random(0x1000, 0xFFFF)
l := 0
this.status := h << 32 | l
}
}
Blank(status) {
; Check to see if the state of the canvas has changed before clearing and updating.
if (this.status = status) {
this.UpdateLayeredWindow(0)
}
}
; Drawing
get(name, p*) {
switch(Type(this)) {
case "Array", "Map":
try ___ := Integer(name)
catch
___ := name
finally name := ___
return this.Has(name) ? this[name] : ""
default:
return ObjHasOwnProp(this, name) ? this.name : ""
}
}
DrawOnGraphics(Graphics, text := "", style1 := "", style2 := "", CanvasWidth := "", CanvasHeight := "", CanvasLeft := "", CanvasTop := "") {
; RegEx help? https://regex101.com/r/rNsP6n/1
static q1 := "(?i)^.*?\b(?<!:|:\s)\b"
static q2 := "(?!(?>\([^()]*\)|[^()]*)*\))(:\s*)?\(?(?<value>(?<=\()([\\\/\s:#%_a-z\-\.\d]+|\([\\\/\s:#%_a-z\-\.\d]*\))*(?=\))|[#%_a-z\-\.\d]+).*$"
; Extract styles to variables.
if IsObject(style1) {
style1.base.__get := this.get ; Returns the empty string for unknown properties.
_t := (style1.time != "") ? style1.time : style1.t
_s := (style1.screen != "") ? style1.screen : style1.s
_a := (style1.anchor != "") ? style1.anchor : style1.a
_x := (style1.left != "") ? style1.left : style1.x
_y := (style1.top != "") ? style1.top : style1.y
_w := (style1.width != "") ? style1.width : style1.w
_h := (style1.height != "") ? style1.height : style1.h
_r := (style1.radius != "") ? style1.radius : style1.r
_c := (style1.color != "") ? style1.color : style1.c
_m := (style1.margin != "") ? style1.margin : style1.m
_q := (style1.quality != "") ? style1.quality : (style1.q) ? style1.q : style1.SmoothingMode
} else {
RegExReplace(style1, "\s+", A_Space) ; Limit whitespace for fixed width look-behinds.
_t := ((___ := RegExReplace(style1, q1 "(t(ime)?)" q2, "${value}")) != style1) ? ___ : ""
_s := ((___ := RegExReplace(style1, q1 "(s(creen)?)" q2, "${value}")) != style1) ? ___ : ""
_a := ((___ := RegExReplace(style1, q1 "(a(nchor)?)" q2, "${value}")) != style1) ? ___ : ""
_x := ((___ := RegExReplace(style1, q1 "(x|left)" q2, "${value}")) != style1) ? ___ : ""
_y := ((___ := RegExReplace(style1, q1 "(y|top)" q2, "${value}")) != style1) ? ___ : ""
_w := ((___ := RegExReplace(style1, q1 "(w(idth)?)" q2, "${value}")) != style1) ? ___ : ""
_h := ((___ := RegExReplace(style1, q1 "(h(eight)?)" q2, "${value}")) != style1) ? ___ : ""
_r := ((___ := RegExReplace(style1, q1 "(r(adius)?)" q2, "${value}")) != style1) ? ___ : ""
_c := ((___ := RegExReplace(style1, q1 "(c(olor)?)" q2, "${value}")) != style1) ? ___ : ""
_m := ((___ := RegExReplace(style1, q1 "(m(argin)?)" q2, "${value}")) != style1) ? ___ : ""
_q := ((___ := RegExReplace(style1, q1 "(q(uality)?)" q2, "${value}")) != style1) ? ___ : ""
}
if IsObject(style2) {
style2.base.__get := this.get ; Returns the empty string for unknown properties.
t := (style2.time != "") ? style2.time : style2.t
a := (style2.anchor != "") ? style2.anchor : style2.a
x := (style2.left != "") ? style2.left : style2.x
y := (style2.top != "") ? style2.top : style2.y
w := (style2.width != "") ? style2.width : style2.w
h := (style2.height != "") ? style2.height : style2.h
m := (style2.margin != "") ? style2.margin : style2.m
f := (style2.font != "") ? style2.font : style2.f
s := (style2.size != "") ? style2.size : style2.s
c := (style2.color != "") ? style2.color : style2.c
b := (style2.bold != "") ? style2.bold : style2.b
i := (style2.italic != "") ? style2.italic : style2.i
u := (style2.underline != "") ? style2.underline : style2.u
j := (style2.justify != "") ? style2.justify : style2.j
v := (style2.vertical != "") ? style2.vertical : style2.v
n := (style2.noWrap != "") ? style2.noWrap : style2.n
z := (style2.condensed != "") ? style2.condensed : style2.z
d := (style2.dropShadow != "") ? style2.dropShadow : style2.d
o := (style2.outline != "") ? style2.outline : style2.o
q := (style2.quality != "") ? style2.quality : (style2.q) ? style2.q : style2.TextRenderingHint
} else {
RegExReplace(style2, "\s+", A_Space) ; Limit whitespace for fixed width look-behinds.
t := ((___ := RegExReplace(style2, q1 "(t(ime)?)" q2, "${value}")) != style2) ? ___ : ""
a := ((___ := RegExReplace(style2, q1 "(a(nchor)?)" q2, "${value}")) != style2) ? ___ : ""
x := ((___ := RegExReplace(style2, q1 "(x|left)" q2, "${value}")) != style2) ? ___ : ""
y := ((___ := RegExReplace(style2, q1 "(y|top)" q2, "${value}")) != style2) ? ___ : ""
w := ((___ := RegExReplace(style2, q1 "(w(idth)?)" q2, "${value}")) != style2) ? ___ : ""
h := ((___ := RegExReplace(style2, q1 "(h(eight)?)" q2, "${value}")) != style2) ? ___ : ""
m := ((___ := RegExReplace(style2, q1 "(m(argin)?)" q2, "${value}")) != style2) ? ___ : ""
f := ((___ := RegExReplace(style2, q1 "(f(ont)?)" q2, "${value}")) != style2) ? ___ : ""
s := ((___ := RegExReplace(style2, q1 "(s(ize)?)" q2, "${value}")) != style2) ? ___ : ""
c := ((___ := RegExReplace(style2, q1 "(c(olor)?)" q2, "${value}")) != style2) ? ___ : ""
b := ((___ := RegExReplace(style2, q1 "(b(old)?)" q2, "${value}")) != style2) ? ___ : ""
i := ((___ := RegExReplace(style2, q1 "(i(talic)?)" q2, "${value}")) != style2) ? ___ : ""
u := ((___ := RegExReplace(style2, q1 "(u(nderline)?)" q2, "${value}")) != style2) ? ___ : ""
j := ((___ := RegExReplace(style2, q1 "(j(ustify)?)" q2, "${value}")) != style2) ? ___ : ""
v := ((___ := RegExReplace(style2, q1 "(v(ertical)?)" q2, "${value}")) != style2) ? ___ : ""
n := ((___ := RegExReplace(style2, q1 "(n(oWrap)?)" q2, "${value}")) != style2) ? ___ : ""
z := ((___ := RegExReplace(style2, q1 "(z|condensed)" q2, "${value}")) != style2) ? ___ : ""
d := ((___ := RegExReplace(style2, q1 "(d(ropShadow)?)" q2, "${value}")) != style2) ? ___ : ""
o := ((___ := RegExReplace(style2, q1 "(o(utline)?)" q2, "${value}")) != style2) ? ___ : ""
q := ((___ := RegExReplace(style2, q1 "(q(uality)?)" q2, "${value}")) != style2) ? ___ : ""
}
; Set canvas boundaries. Although inifinite, this rectangle gives it an internal sense of scale.
try dpi := DllCall("SetThreadDpiAwarenessContext", "ptr", -3, "ptr")
; Use the coordinates of the screen index.
if (_s ~= "^\d+$" && _s > 0 && _s <= MonitorGetCount()) {
MonitorGet(_s, &CanvasLeft, &CanvasTop, &CanvasRight, &CanvasBottom)
CanvasWidth := CanvasRight - CanvasLeft
CanvasHeight := CanvasBottom - CanvasTop
}
; Use the coordinates of all screens.
if (_s ~= "^\d+$" && _s == 0) {
CanvasLeft := DllCall("GetSystemMetrics", "int", 76, "int")
CanvasTop := DllCall("GetSystemMetrics", "int", 77, "int")
CanvasWidth := DllCall("GetSystemMetrics", "int", 78, "int")
CanvasHeight := DllCall("GetSystemMetrics", "int", 79, "int")
}
try DllCall("SetThreadDpiAwarenessContext", "ptr", dpi, "ptr")
; Check if an hMonitor is passed.
if (_s ~= "^\d+$" && _s > MonitorGetCount())
hMon := _s
; Use the screen where the cursor is located.
if (_s = "cursor") {
DllCall("GetCursorPos", "uint64*", &point:=0)
hMon := DllCall("MonitorFromPoint", "uint64", point, "uint", 0x2, "ptr")
}
; Or use the screen where the current active window is located.
if (_s = "window")
hMon := DllCall("MonitorFromWindow", "ptr", WinExist("A"), "uint", 0, "ptr")
; Convert the hMonitor to canvas coordinates.
if IsSet(hMon) {
MIEX := Buffer(40 + 64)
NumPut("uint", MIEX.size, MIEX)
if !DllCall("GetMonitorInfo", "ptr", hMon, "ptr", MIEX)
throw Error("The following value " _s " is not a correct screen parameter. ('s')")
CanvasLeft := NumGet(MIEX, 4, "int")
CanvasTop := NumGet(MIEX, 8, "int")
CanvasRight := NumGet(MIEX, 12, "int")
CanvasBottom := NumGet(MIEX, 16, "int")
CanvasWidth := CanvasRight - CanvasLeft
CanvasHeight := CanvasBottom - CanvasTop
}
; Set default width and height from undocumented graphics pointer offset.
(CanvasLeft == "") && CanvasLeft := NumGet(Graphics + 12 + A_PtrSize, "int")
(CanvasTop == "") && CanvasTop := NumGet(Graphics + 16 + A_PtrSize, "int")
(CanvasWidth == "") && CanvasWidth := NumGet(Graphics + 20 + A_PtrSize, "int")
(CanvasHeight == "") && CanvasHeight := NumGet(Graphics + 24 + A_PtrSize, "int")
; Parse background color.
_c := this.color(_c, 0xDD212121) ; Default color for background is transparent gray.
; Parse text color.
AlphaCopy := False
if (c ~= "i)(delete|eraser?|overwrite|AlphaCopy)")
AlphaCopy := True, c := 0 ; Eraser brush for text.
if (c ~= "^-") ; Allow negative color values to overwrite alpha.
AlphaCopy := True, c := LTrim(c, "-")
; Default color is white text on a dark background or black text on a light background.
c := this.color(c, this.grayscale(_c) < 128 ? 0xFFFFFFFF : 0xFF000000)
; Default SmoothingMode is 5 for outlines and rounded corners. To disable use 0. See Draw 1, 2, 3.
_q := (_q ~= "^\d+$" && _q >= 0 && _q <= 5) ? _q : 5 ; SmoothingModeAntiAlias8x8
; Default TextRenderingHint is Cleartype on a opaque background and Anti-Alias on a transparent background.
if (q ~= "^\d+$") and (q < 0 || q > 5)
q := (_c & 0xFF000000 = 0xFF000000) && (!AlphaCopy) ? 5 : 4 ; TextRenderingHintClearTypeGridFit = 5, TextRenderingHintAntialias = 4
else
q := 4
; Save original Graphics settings.
DllCall("gdiplus\GdipSaveGraphics", "ptr", Graphics, "ptr*", &pState:=0)
; Use pixels as the defualt unit when rendering.
DllCall("gdiplus\GdipSetPageUnit", "ptr", Graphics, "int", 2) ; A unit is 1 pixel.
; Set Graphics settings.
DllCall("gdiplus\GdipSetPixelOffsetMode", "ptr", Graphics, "int", 4) ; PixelOffsetModeHalf
;DllCall("gdiplus\GdipSetCompositingMode", "ptr", Graphics, "int", 1) ; CompositingModeSourceCopy
DllCall("gdiplus\GdipSetCompositingQuality", "ptr", Graphics, "int", 4) ; CompositingQualityGammaCorrected
DllCall("gdiplus\GdipSetSmoothingMode", "ptr", Graphics, "int", _q)
DllCall("gdiplus\GdipSetInterpolationMode", "ptr", Graphics, "int", 7) ; HighQualityBicubic
DllCall("gdiplus\GdipSetTextRenderingHint", "ptr", Graphics, "int", q)
; These are the type checkers.
static valid := "^\s*(-?((\d+(\.\d*)?)|(\.\d+)))\s*(?i:%|pt|px|vh|vmin|vw)?\s*$"
static valid_positive := "^\s*((\d+(\.\d*)?)|(\.\d+))\s*(?i:%|pt|px|vh|vmin|vw)?\s*$"
; Define viewport width and height. This is the visible canvas area.
vw := 0.01 * CanvasWidth ; 1% of viewport width.
vh := 0.01 * CanvasHeight ; 1% of viewport height.
vmin := min(vw, vh) ; 1vw or 1vh, whichever is smaller.
vr := CanvasWidth / CanvasHeight ; Aspect ratio of the viewport.
; Get background width and height.
_w := (_w ~= valid_positive) ? RegExReplace(_w, "\s") : ""
_w := (_w ~= "i)(pt|px)$") ? SubStr(_w, 1, -2) : _w
_w := (_w ~= "i)(%|vw)$") ? RegExReplace(_w, "i)(%|vw)$") * vw : _w
_w := (_w ~= "i)vh$") ? RegExReplace(_w, "i)vh$") * vh : _w
_w := (_w ~= "i)vmin$") ? RegExReplace(_w, "i)vmin$") * vmin : _w
_h := (_h ~= valid_positive) ? RegExReplace(_h, "\s") : ""
_h := (_h ~= "i)(pt|px)$") ? SubStr(_h, 1, -2) : _h
_h := (_h ~= "i)vw$") ? RegExReplace(_h, "i)vw$") * vw : _h
_h := (_h ~= "i)(%|vh)$") ? RegExReplace(_h, "i)(%|vh)$") * vh : _h
_h := (_h ~= "i)vmin$") ? RegExReplace(_h, "i)vmin$") * vmin : _h
; Get Font size.
s := (s ~= valid_positive) ? RegExReplace(s, "\s") : "2.23vh" ; Default font size is 2.23vh.
s := (s ~= "i)(pt|px)$") ? SubStr(s, 1, -2) : s ; Strip spaces, px, and pt.
s := (s ~= "i)vh$") ? RegExReplace(s, "i)vh$") * vh : s ; Relative to viewport height.
s := (s ~= "i)vw$") ? RegExReplace(s, "i)vw$") * vw : s ; Relative to viewport width.
s := (s ~= "i)(%|vmin)$") ? RegExReplace(s, "i)(%|vmin)$") * vmin : s ; Relative to viewport minimum.
; Get Bold, Italic, Underline, NoWrap, and Justification of text.
style := (b) ? 1 : 0 ; bold
style += (i) ? 2 : 0 ; italic
style += (u) ? 4 : 0 ; underline
; style += (strikeout) ? 8 : 0 ; strikeout, not implemented.
n := (n) ? 0x4000 | 0x1000 : 0x4000 ; Defaults to text wrapping.
; Define text justification. Default text justification to center.
j := (j ~= "i)(near|left)") ? 0
: (j ~= "i)cent(er|re)") ? 1
: (j ~= "i)(far|right)") ? 2
: (j ~= "^[1-3]$") ? j-1
: 1
; Define vertical alignment. Default vertical alignment to top.
v := (v ~= "i)(near|top)") ? 0
: (v ~= "i)cent(er|re)") ? 1
: (v ~= "i)(far|bottom)") ? 2
: (v ~= "^[1-3]$") ? v-1
: 0
; Later when text x and w are finalized and it is found that x + width exceeds the screen,
; then the _redrawBecauseOfCondensedFont flag is set to true.
static _redrawBecauseOfCondensedFont := False
if (_redrawBecauseOfCondensedFont == True)
f:=z, z:=0, _redrawBecauseOfCondensedFont := False
; Specifies whether to load an external font file, or to use an font already installed on the system.
if (f ~= "(ttf|otf)$") {
; Temporarily load a font from file. This does not install the font.
DllCall("gdiplus\GdipNewPrivateFontCollection", "ptr*", &hCollection:=0)
DllCall("gdiplus\GdipPrivateAddFontFile", "ptr", hCollection, "wstr", f)
; A collection of fonts can hold more than just 1 font. Since only 1 font will be needed, a single pointer suffices.
DllCall("gdiplus\GdipGetFontCollectionFamilyList", "ptr", hCollection, "int", 1, "ptr*", &pFontFamily:=0, "int*", &found:=0)
; Normally, pFontFamily is an array of pointers. For a single pointer, no special requirements are needed.
VarSetStrCapacity(&FontName, 256)
DllCall("gdiplus\GdipGetFamilyName", "ptr", pFontFamily, "str", FontName, "ushort", 1033) ; en-US
; Create a font family. For ANSI compatibility, use str as the output type and StrGet to pass wide chars.
DllCall("gdiplus\GdipCreateFontFamilyFromName", "wstr", StrGet(&FontName, "UTF-16"), "ptr", hCollection, "ptr*", &hFamily:=0)
; Delete the private font collection. It is strange a pointer reference is used.
DllCall("gdiplus\GdipDeletePrivateFontCollection", "ptr*", hCollection)
} else {
; Create Font. Defaults to Segoe UI or Tahoma on older systems.
if DllCall("gdiplus\GdipCreateFontFamilyFromName", "wstr", f, "uint", 0, "ptr*", &hFamily:=0)
if DllCall("gdiplus\GdipCreateFontFamilyFromName", "wstr", "Segoe UI", "uint", 0, "ptr*", &hFamily:=0)
DllCall("gdiplus\GdipCreateFontFamilyFromName", "wstr", "Tahoma", "uint", 0, "ptr*", &hFamily:=0)
}
DllCall("gdiplus\GdipCreateFont", "ptr", hFamily, "float", s, "int", style, "int", 0, "ptr*", &hFont:=0)
DllCall("gdiplus\GdipCreateStringFormat", "int", n, "int", 0, "ptr*", &hFormat:=0)
DllCall("gdiplus\GdipSetStringFormatAlign", "ptr", hFormat, "int", j) ; Left = 0, Center = 1, Right = 2
DllCall("gdiplus\GdipSetStringFormatLineAlign", "ptr", hFormat, "int", v) ; Top = 0, Center = 1, Bottom = 2
; Use the declared width and height of the text box if given.
RectF := Buffer(16, 0) ; sizeof(RectF) = 16
(_w != "") && NumPut("float", _w, RectF, 8) ; Width
(_h != "") && NumPut("float", _h, RectF, 12) ; Height
; Otherwise simulate the drawing...
DllCall("gdiplus\GdipMeasureString"
, "ptr", Graphics
, "wstr", text
, "int", -1 ; string length is null terminated.
, "ptr", hFont
, "ptr", RectF ; (in) layout RectF that bounds the string.
, "ptr", hFormat
, "ptr", RectF ; (out) simulated RectF that bounds the string.
, "uint*", &chars:=0
, "uint*", &lines:=0)
; Extract the simulated width and height of the text string's bounding box...
width := NumGet(RectF, 8, "float")
height := NumGet(RectF, 12, "float")
minimum := min(width, height)
aspect := (height != 0) ? width / height : 0
; And use those values for the background width and height.
(_w == "") && _w := width
(_h == "") && _h := height
; Get margin. Default margin is 1vmin.
m := this.margin_and_padding( m, vw, vh)
_m := this.margin_and_padding(_m, vw, vh, (text != "" && m.void && _w > 0 && _h > 0) ? "1vmin" : "")
; Modify _w, _h with margin and padding, increasing the size of the background.
_w += m.2 + m.4
_h += m.1 + m.3
; Get background anchor. This is where the origin of the background is located.
_a := (_a ~= "^[1-9]$") ? _a-1
: (_a ~= "i)top" && _a ~= "i)left") ? 0
: (_a ~= "i)top" && _a ~= "i)cent(er|re)") ? 1
: (_a ~= "i)top" && _a ~= "i)right") ? 2
: (_a ~= "i)cent(er|re)" && _a ~= "i)left") ? 3
: (_a ~= "i)cent(er|re)" && _a ~= "i)right") ? 5
: (_a ~= "i)bottom" && _a ~= "i)left") ? 6
: (_a ~= "i)bottom" && _a ~= "i)cent(er|re)") ? 7
: (_a ~= "i)bottom" && _a ~= "i)right") ? 8
: (_a ~= "i)top") ? 1
: (_a ~= "i)left") ? 3
: (_a ~= "i)right") ? 5
: (_a ~= "i)bottom") ? 7
: (_a ~= "i)cent(er|re)") ? 4
; The anchor can be implied from _x and _y (left, center, right, top, bottom).
: ((_x ~= "i)left") ? 0 : (_x ~= "i)cent(er|re)") ? 1 : (_x ~= "i)right") ? 2 : 0)
+ ((_y ~= "i)top") ? 0 : (_y ~= "i)cent(er|re)") ? 3 : (_y ~= "i)bottom") ? 6 : 0)
; Default anchor is top-left (0).
; Convert English words to numbers. Don't mess with these values any further.
_x := (_x ~= "i)left") ? 0 : (_x ~= "i)cent(er|re)") ? 0.5*CanvasWidth : (_x ~= "i)right") ? CanvasWidth : _x
_y := (_y ~= "i)top") ? 0 : (_y ~= "i)cent(er|re)") ? 0.5*CanvasHeight : (_y ~= "i)bottom") ? CanvasHeight : _y
; Get _x and _y.
_x := (_x ~= valid) ? RegExReplace(_x, "\s") : ""
_x := (_x ~= "i)(pt|px)$") ? SubStr(_x, 1, -2) : _x
_x := (_x ~= "i)(%|vw)$") ? RegExReplace(_x, "i)(%|vw)$") * vw : _x
_x := (_x ~= "i)vh$") ? RegExReplace(_x, "i)vh$") * vh : _x
_x := (_x ~= "i)vmin$") ? RegExReplace(_x, "i)vmin$") * vmin : _x
_y := (_y ~= valid) ? RegExReplace(_y, "\s") : ""
_y := (_y ~= "i)(pt|px)$") ? SubStr(_y, 1, -2) : _y
_y := (_y ~= "i)vw$") ? RegExReplace(_y, "i)vw$") * vw : _y
_y := (_y ~= "i)(%|vh)$") ? RegExReplace(_y, "i)(%|vh)$") * vh : _y
_y := (_y ~= "i)vmin$") ? RegExReplace(_y, "i)vmin$") * vmin : _y
; Default x and y to center of the canvas. Default anchor to horizontal center and vertical center.
if (_x == "")
_x := 0.5*CanvasWidth, _a := 1+(_a//3*3)
if (_y == "")
_y := 0.5*CanvasHeight, _a := 3+mod(_a,3)
; Now let's modify the _x and _y values with the _anchor, so that the image has a new point of origin.
; We need our calculated _width and _height for this!
_x -= (mod(_a,3) == 0) ? 0 : (mod(_a,3) == 1) ? _w/2 : (mod(_a,3) == 2) ? _w : 0
_y -= ((_a//3) == 0) ? 0 : ((_a//3) == 1) ? _h/2 : ((_a//3) == 2) ? _h : 0
; Offset with canvas boundaries.
_x += CanvasLeft
_y += CanvasTop
; Prevent half-pixel rendering and keep image sharp.
_w := Round(_x + _w) - Round(_x) ; Use real x2 coordinate to determine width.
_h := Round(_y + _h) - Round(_y) ; Use real y2 coordinate to determine height.
_x := Round(_x) ; NOTE: simple Floor(w) or Round(w) will NOT work.
_y := Round(_y) ; The float values need to be added up and then rounded!
; Get the text width and text height.
w := ( w ~= valid_positive) ? RegExReplace( w, "\s") : width ; Default is simulated text width.
w := ( w ~= "i)(pt|px)$") ? SubStr( w, 1, -2) : w
w := ( w ~= "i)vw$") ? RegExReplace( w, "i)vw$") * vw : w
w := ( w ~= "i)vh$") ? RegExReplace( w, "i)vh$") * vh : w
w := ( w ~= "i)vmin$") ? RegExReplace( w, "i)vmin$") * vmin : w
w := ( w ~= "%$") ? RegExReplace( w, "%$") * 0.01 * _w : w
h := ( h ~= valid_positive) ? RegExReplace( h, "\s") : height ; Default is simulated text height.
h := ( h ~= "i)(pt|px)$") ? SubStr( h, 1, -2) : h
h := ( h ~= "i)vw$") ? RegExReplace( h, "i)vw$") * vw : h
h := ( h ~= "i)vh$") ? RegExReplace( h, "i)vh$") * vh : h
h := ( h ~= "i)vmin$") ? RegExReplace( h, "i)vmin$") * vmin : h
h := ( h ~= "%$") ? RegExReplace( h, "%$") * 0.01 * _h : h
; Manually justify because text width and height may be set above.
; If text justification is set but x is not, align the justified text relative to the center
; or right of the backgound, after taking into account the text width.
if (x == "")
x := (j = 1) ? _x + (_w/2) - (w/2) : (j = 2) ? _x + _w - w : x
if (y == "")
y := (v = 1) ? _y + (_h/2) - (h/2) : (v = 2) ? _y + _h - h : y
; Get text anchor. This is where the origin of the text is located.
a := (a ~= "i)top" && a ~= "i)left") ? 0
: (a ~= "i)top" && a ~= "i)cent(er|re)") ? 1
: (a ~= "i)top" && a ~= "i)right") ? 2
: (a ~= "i)cent(er|re)" && a ~= "i)left") ? 3
: (a ~= "i)cent(er|re)" && a ~= "i)right") ? 5
: (a ~= "i)bottom" && a ~= "i)left") ? 6
: (a ~= "i)bottom" && a ~= "i)cent(er|re)") ? 7
: (a ~= "i)bottom" && a ~= "i)right") ? 8
: (a ~= "i)top") ? 1
: (a ~= "i)left") ? 3
: (a ~= "i)right") ? 5
: (a ~= "i)bottom") ? 7
: (a ~= "i)cent(er|re)") ? 4
: (a ~= "^[1-9]$") ? a-1
: 0 ; Default anchor is top-left.
; Text x and text y can be specified as locations (left, center, right, top, bottom).
; These location words in text x and text y take precedence over the values in the text anchor.
a := ( x ~= "i)left") ? 0+( a//3*3) : ( x ~= "i)cent(er|re)") ? 1+( a//3*3) : ( x ~= "i)right") ? 2+( a//3*3) : a
a := ( y ~= "i)top") ? 0+mod( a,3) : ( y ~= "i)cent(er|re)") ? 3+mod( a,3) : ( y ~= "i)bottom") ? 6+mod( a,3) : a
; Convert English words to numbers. Don't mess with these values any further.
; Also, these values are relative to the background.
x := ( x ~= "i)left") ? _x : (x ~= "i)cent(er|re)") ? _x + 0.5*_w : (x ~= "i)right") ? _x + _w : x
y := ( y ~= "i)top") ? _y : (y ~= "i)cent(er|re)") ? _y + 0.5*_h : (y ~= "i)bottom") ? _y + _h : y
; Default text x is background x.
x := ( x ~= valid) ? RegExReplace( x, "\s") : _x
x := ( x ~= "i)(pt|px)$") ? SubStr( x, 1, -2) : x
x := ( x ~= "i)vw$") ? RegExReplace( x, "i)vw$") * vw : x
x := ( x ~= "i)vh$") ? RegExReplace( x, "i)vh$") * vh : x
x := ( x ~= "i)vmin$") ? RegExReplace( x, "i)vmin$") * vmin : x
x := ( x ~= "%$") ? RegExReplace( x, "%$") * 0.01 * _w : x
; Default text y is background y.
y := ( y ~= valid) ? RegExReplace( y, "\s") : _y
y := ( y ~= "i)(pt|px)$") ? SubStr( y, 1, -2) : y
y := ( y ~= "i)vw$") ? RegExReplace( y, "i)vw$") * vw : y
y := ( y ~= "i)vh$") ? RegExReplace( y, "i)vh$") * vh : y
y := ( y ~= "i)vmin$") ? RegExReplace( y, "i)vmin$") * vmin : y
y := ( y ~= "%$") ? RegExReplace( y, "%$") * 0.01 * _h : y
; If margin/padding are defined in the text parameter, shift the position of the text.
x += (j == 0) ? m.4 : (j == 1) ? (m.4/2)-(m.2/2) : -m.2
y += (v == 0) ? m.1 : (v == 1) ? (m.1/2)-(m.3/2) : -m.3
; Modify text x and text y values with the anchor, so that the text has a new point of origin.
; The text anchor is relative to the text width and height before margin/padding.
; This is NOT relative to the background width and height.
x -= (mod(a,3) == 0) ? 0 : (mod(a,3) == 1) ? w/2 : (mod(a,3) == 2) ? w : 0
y -= ((a//3) == 0) ? 0 : ((a//3) == 1) ? h/2 : ((a//3) == 2) ? h : 0
; Modify _x, _y, _w, _h with margin and padding, increasing the size of the background.
_w += _m.4 + _m.2
_h += _m.1 + _m.3
_x -= _m.4
_y -= _m.1
; Re-run: Condense Text using a Condensed Font if simulated text width exceeds screen width.
if (z) {