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Draw shadow behind every text

qsek

By qsek,
in AutoIt GUI Help and Support

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qsek Universalist

qsek

Posted
Posted

So initially my goal was to create a "greyed out" treeview item that would look like a disabled menu item:

post-23419-12522145927045_thumb.png

I thought it would be cool to create a GDI Macro function which can take any Text in an GUI (with front and backcolor)

and drop a shadow behind it. So for example it would be possible to customise single items in a listview without having to ownerdraw the whole listview etc.

Though i know all GDI functions and read much examples its still very hard to get a picture of the process to deal with DC's, Selecting Objects,

understand the raster operation modes of BitBlt and so on.

With some luck i managed to make a text shadow with a random color:

post-23419-12522152211438_thumb.png

My problem is now that i want to control the color of the shadow. I tried everything to produce a white shadow, which is required for the "greyed out" look i mentioned above.

It looks like i cannot get beyond the brightness level of the background of the text.

Can anyone help me with this please?

Here is my code so far:

#include <WinAPI.au3>
#include <WindowsConstants.au3>
#include <FontConstants.au3>

Global $tRECT, $hFont, $hOldFont, $hDC

HotKeySet("{ins}", "Nexti")
HotKeySet("{home}", "Nextsi")
HotKeySet("{pgup}", "Nextse")

HotKeySet("{pgdn}", "NextiROP")


$hForm = GUICreate('MyGUI', 600, 150)

$Lint = GUICtrlCreateLabel("", 100, 0, 20,15)
$Lsint = GUICtrlCreateLabel("", 270, 0, 20,15)
$Lsent = GUICtrlCreateLabel("", 470, 0, 20,15)
$Pic = GUICtrlCreateLabel("texttotesttherasteroperations", 20, 20, 560, 60)
GUICtrlSetFont(-1, 31, -1, -1, "Arial")
GUICtrlSetColor(-1, 0x808080)


$hPic = GUICtrlGetHandle($Pic)

GUISetState()


$hDC = _WinAPI_GetDC($hForm)


Dim $loop[17] = [$BLACKNESS, _ ;0   
$CAPTUREBLT, _ ;                1
$DSTINVERT, _ ;                 2
$MERGECOPY, _ ;                 3
$MERGEPAINT, _ ;                4
$NOMIRRORBITMAP, _ ;            5
$NOTSRCCOPY, _ ;                6
$NOTSRCERASE, _ ;               7
$PATCOPY, _ ;                   8
$PATINVERT, _ ;                 9
$PATPAINT, _ ;                  10
$SRCAND, _ ;                    11
$SRCCOPY, _ ;                   12
$SRCERASE, _ ;                  13
$SRCINVERT, _ ;                 14
$SRCPAINT, _ ;                  15
$WHITENESS] ;                   16



$hMemDC = _WinAPI_CreateCompatibleDC($hDC)
$memBmp = _WinAPI_CreateCompatibleBitmap($hDC, 150, 100)
$hOldFont = _WinAPI_SelectObject($hMemDC, $memBmp)


_WinAPI_BitBlt($hMemDC, 20, 20, 150, 60, $hDC, 20, 20, $loop[4])

_WinAPI_InvalidateRect($hForm,0)

    $hMemDC1 = _WinAPI_CreateCompatibleDC($hDC)
    $memBmp1 = _WinAPI_CreateCompatibleBitmap($hDC, 150, 100)
    $hOldFont1 = _WinAPI_SelectObject($hMemDC1, $memBmp1)
    $hBrush1 = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC1, $hBrush1)


    _WinAPI_BitBlt($hMemDC1, 20, 20, 150, 60, $hMemDC, 20, 20, $loop[10])
    _WinAPI_BitBlt($hDC, 23, 23, 150, 60, $hMemDC1, 20, 20, $loop[11])
    

$i = 0
$si = 0
$se = 0

Func NextiROP()

    _WinAPI_InvalidateRect($hForm,0)

    $hMemDC1 = _WinAPI_CreateCompatibleDC($hDC)
    $memBmp1 = _WinAPI_CreateCompatibleBitmap($hDC, 150, 100)
    $hOldFont1 = _WinAPI_SelectObject($hMemDC1, $memBmp1)
    $hBrush1 = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC1, $hBrush1)

    $hBrush = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC, $hBrush)

    _WinAPI_BitBlt($hMemDC, 20, 20, 150, 60, $hDC, 20, 20, $loop[$i])




    _WinAPI_BitBlt($hDC, 40, 40, 150, 60, $hMemDC, 20, 20, $SRCCOPY)        ; left
    
    _WinAPI_BitBlt($hDC, 200, 40, 150, 60, $hMemDC, 20, 20, $loop[$si])     ; middle
    
    _WinAPI_BitBlt($hMemDC1, 20, 20, 150, 60, $hMemDC, 20, 20, $loop[$si])
    _WinAPI_BitBlt($hDC, 400, 40, 150, 60, $hMemDC1, 20, 20, $loop[$se])    ; right
    
    
    GUICtrlSetData($Lint, $i)
    GUICtrlSetData($Lsint, $si)
    GUICtrlSetData($Lsent, $se)
    
EndFunc

Func Nexti()
    $i += 1
    If $i > 16 Then
        $i = 0
    EndIf
    NextiROP()
EndFunc

Func Nextsi()
    $si += 1
    If $si > 16 Then $si = 0
    NextiROP()
EndFunc

Func Nextse()
    $se += 1
    If $se > 16 Then $se = 0
    NextiROP()
EndFunc


While 1
    If GUIGetMsg() = -3 Then _Exit()
WEnd





Func _Exit()
    _WinAPI_SelectObject($hMemDC, $hOldFont)
    _WinAPI_DeleteObject($memBmp)
    _WinAPI_ReleaseDC($hForm, $hMemDC)
    _WinAPI_ReleaseDC($hForm, $hDC)
    
;~  _WinAPI_InvalidateRect(0, 0)
    $tRECT = 0
    Exit
EndFunc   ;==>_Exit

(I know there are a lot of missing ReleaseDC's and DeleteObject's, just want to make it work first)

Teamspeak 3 User Viewer - Quick and functional TS3 Query script, which shows online users.Cached Screenshot Deleter - Deletes older Fraps Screenshots if they exceed a specified limit.Unresolved Topics:Intercept and modify dragdrop text behaviour in scite
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Melba23 Universalist

Melba23

Posted
  • Moderators
Posted

qsek,

You may find this interesting.

M23

Public_Domain.png.2d871819fcb9957cf44f4514551a2935.png Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind

Open spoiler to see my UDFs:

Spoiler

ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
Toast -------------- Small GUIs which pop out of the notification area

 

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qsek Universalist

qsek

Posted
  • Author
Posted

Thanks, but you missed my point. I dont want to create a text and its shadow. I want to create the shadow out of any bitmap or device context on my GUI. I can not use DrawShadowText on a treeview item.

Teamspeak 3 User Viewer - Quick and functional TS3 Query script, which shows online users.Cached Screenshot Deleter - Deletes older Fraps Screenshots if they exceed a specified limit.Unresolved Topics:Intercept and modify dragdrop text behaviour in scite
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Malkey Universalist

Malkey

Posted
Posted

So initially my goal was to create a "greyed out" treeview item that would look like a disabled menu item:

post-23419-12522145927045_thumb.png

I thought it would be cool to create a GDI Macro function which can take any Text in an GUI (with front and backcolor)

and drop a shadow behind it. So for example it would be possible to customise single items in a listview without having to ownerdraw the whole listview etc.

Though i know all GDI functions and read much examples its still very hard to get a picture of the process to deal with DC's, Selecting Objects,

understand the raster operation modes of BitBlt and so on.

With some luck i managed to make a text shadow with a random color:

post-23419-12522152211438_thumb.png

My problem is now that i want to control the color of the shadow. I tried everything to produce a white shadow, which is required for the "greyed out" look i mentioned above.

It looks like i cannot get beyond the brightness level of the background of the text.

Can anyone help me with this please?

Here is my code so far:

#include <WinAPI.au3>
#include <WindowsConstants.au3>
#include <FontConstants.au3>

Global $tRECT, $hFont, $hOldFont, $hDC

HotKeySet("{ins}", "Nexti")
HotKeySet("{home}", "Nextsi")
HotKeySet("{pgup}", "Nextse")

HotKeySet("{pgdn}", "NextiROP")


$hForm = GUICreate('MyGUI', 600, 150)

$Lint = GUICtrlCreateLabel("", 100, 0, 20,15)
$Lsint = GUICtrlCreateLabel("", 270, 0, 20,15)
$Lsent = GUICtrlCreateLabel("", 470, 0, 20,15)
$Pic = GUICtrlCreateLabel("texttotesttherasteroperations", 20, 20, 560, 60)
GUICtrlSetFont(-1, 31, -1, -1, "Arial")
GUICtrlSetColor(-1, 0x808080)


$hPic = GUICtrlGetHandle($Pic)

GUISetState()


$hDC = _WinAPI_GetDC($hForm)


Dim $loop[17] = [$BLACKNESS, _ ;0   
$CAPTUREBLT, _ ;                1
$DSTINVERT, _ ;                 2
$MERGECOPY, _ ;                 3
$MERGEPAINT, _ ;                4
$NOMIRRORBITMAP, _ ;            5
$NOTSRCCOPY, _ ;                6
$NOTSRCERASE, _ ;               7
$PATCOPY, _ ;                   8
$PATINVERT, _ ;                 9
$PATPAINT, _ ;                  10
$SRCAND, _ ;                    11
$SRCCOPY, _ ;                   12
$SRCERASE, _ ;                  13
$SRCINVERT, _ ;                 14
$SRCPAINT, _ ;                  15
$WHITENESS] ;                   16



$hMemDC = _WinAPI_CreateCompatibleDC($hDC)
$memBmp = _WinAPI_CreateCompatibleBitmap($hDC, 150, 100)
$hOldFont = _WinAPI_SelectObject($hMemDC, $memBmp)


_WinAPI_BitBlt($hMemDC, 20, 20, 150, 60, $hDC, 20, 20, $loop[4])

_WinAPI_InvalidateRect($hForm,0)

    $hMemDC1 = _WinAPI_CreateCompatibleDC($hDC)
    $memBmp1 = _WinAPI_CreateCompatibleBitmap($hDC, 150, 100)
    $hOldFont1 = _WinAPI_SelectObject($hMemDC1, $memBmp1)
    $hBrush1 = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC1, $hBrush1)


    _WinAPI_BitBlt($hMemDC1, 20, 20, 150, 60, $hMemDC, 20, 20, $loop[10])
    _WinAPI_BitBlt($hDC, 23, 23, 150, 60, $hMemDC1, 20, 20, $loop[11])
    

$i = 0
$si = 0
$se = 0

Func NextiROP()

    _WinAPI_InvalidateRect($hForm,0)

    $hMemDC1 = _WinAPI_CreateCompatibleDC($hDC)
    $memBmp1 = _WinAPI_CreateCompatibleBitmap($hDC, 150, 100)
    $hOldFont1 = _WinAPI_SelectObject($hMemDC1, $memBmp1)
    $hBrush1 = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC1, $hBrush1)

    $hBrush = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC, $hBrush)

    _WinAPI_BitBlt($hMemDC, 20, 20, 150, 60, $hDC, 20, 20, $loop[$i])




    _WinAPI_BitBlt($hDC, 40, 40, 150, 60, $hMemDC, 20, 20, $SRCCOPY)        ; left
    
    _WinAPI_BitBlt($hDC, 200, 40, 150, 60, $hMemDC, 20, 20, $loop[$si])     ; middle
    
    _WinAPI_BitBlt($hMemDC1, 20, 20, 150, 60, $hMemDC, 20, 20, $loop[$si])
    _WinAPI_BitBlt($hDC, 400, 40, 150, 60, $hMemDC1, 20, 20, $loop[$se])    ; right
    
    
    GUICtrlSetData($Lint, $i)
    GUICtrlSetData($Lsint, $si)
    GUICtrlSetData($Lsent, $se)
    
EndFunc

Func Nexti()
    $i += 1
    If $i > 16 Then
        $i = 0
    EndIf
    NextiROP()
EndFunc

Func Nextsi()
    $si += 1
    If $si > 16 Then $si = 0
    NextiROP()
EndFunc

Func Nextse()
    $se += 1
    If $se > 16 Then $se = 0
    NextiROP()
EndFunc


While 1
    If GUIGetMsg() = -3 Then _Exit()
WEnd





Func _Exit()
    _WinAPI_SelectObject($hMemDC, $hOldFont)
    _WinAPI_DeleteObject($memBmp)
    _WinAPI_ReleaseDC($hForm, $hMemDC)
    _WinAPI_ReleaseDC($hForm, $hDC)
    
;~  _WinAPI_InvalidateRect(0, 0)
    $tRECT = 0
    Exit
EndFunc   ;==>_Exit

(I know there are a lot of missing ReleaseDC's and DeleteObject's, just want to make it work first)

I had a little play around with your script.

I never got into the hot keys, but the initial displayed shadow effect on the button control and on the text in the label control is interesting.

;
#include <WinAPI.au3>
#include <WindowsConstants.au3>
#include <FontConstants.au3>

Global $tRECT, $hFont, $hOldFont, $hDC

HotKeySet("{ins}", "Nexti")
HotKeySet("{home}", "Nextsi")
HotKeySet("{pgup}", "Nextse")
HotKeySet("{pgdn}", "NextiROP")

$hForm = GUICreate('MyGUI', 600, 150)
GUISetBkColor(0xFFFFFF, $hForm)
$Lint = GUICtrlCreateLabel("", 100, 0, 20, 15)
$Lsint = GUICtrlCreateLabel("", 270, 0, 20, 15)
$Lsent = GUICtrlCreateLabel("", 470, 0, 20, 15)
$Pic = GUICtrlCreateLabel("Text to test raster operations.", 20, 20, 560, 60)

GUICtrlSetFont(-1, 31, -1, -1, "Arial")
$But = GUICtrlCreateButton("Press", 90, 90, 110, 40)
GUICtrlSetColor(-1, 0xBBBBBB)

$hPic = GUICtrlGetHandle($Pic)

GUISetState()

$hDC = _WinAPI_GetDC($hForm)

Global $loop[17] = [$BLACKNESS, _     ;                0
                    $CAPTUREBLT, _ ;                1
                    $DSTINVERT, _ ;                 2
                    $MERGECOPY, _ ;                 3
                    $MERGEPAINT, _ ;                4
                    $NOMIRRORBITMAP, _ ;            5
                    $NOTSRCCOPY, _ ;                6
                    $NOTSRCERASE, _ ;               7
                    $PATCOPY, _ ;                   8
                    $PATINVERT, _ ;                 9
                    $PATPAINT, _ ;                  10
                    $SRCAND, _ ;                    11
                    $SRCCOPY, _ ;                   12
                    $SRCERASE, _ ;                  13
                    $SRCINVERT, _ ;                 14
                    $SRCPAINT, _ ;                  15
                    $WHITENESS] ;                   16

$hMemDC = _WinAPI_CreateCompatibleDC($hDC)
$memBmp = _WinAPI_CreateCompatibleBitmap($hDC, 550, 130)
$hOldFont = _WinAPI_SelectObject($hMemDC, $memBmp)

_WinAPI_BitBlt($hMemDC, 20, 20, 550, 130, $hDC, 20, 20, $loop[4])

_WinAPI_InvalidateRect($hForm, 0)

$hMemDC1 = _WinAPI_CreateCompatibleDC($hDC)
$memBmp1 = _WinAPI_CreateCompatibleBitmap($hDC, 550, 130)
$hOldFont1 = _WinAPI_SelectObject($hMemDC1, $memBmp1)
$hBrush1 = _WinAPI_CreateSolidBrush(0xCCCCCC)
_WinAPI_SelectObject($hMemDC1, $hBrush1)

_WinAPI_BitBlt($hMemDC1, 20, 20, 550, 130, $hMemDC, 20, 20, $loop[10])
_WinAPI_BitBlt($hDC, 23, 23, 550, 130, $hMemDC1, 20, 20, $loop[11])

$i = 0
$si = 0
$se = 0

While 1
    If GUIGetMsg() = -3 Then _Exit()
WEnd

Func _Exit()
    _WinAPI_SelectObject($hMemDC, $hOldFont)
    _WinAPI_DeleteObject($memBmp)
    _WinAPI_ReleaseDC($hForm, $hMemDC)
    _WinAPI_ReleaseDC($hForm, $hDC)
;~  _WinAPI_InvalidateRect(0, 0)
    $tRECT = 0
    Exit
EndFunc   ;==>_Exit

Func NextiROP()
    _WinAPI_InvalidateRect($hForm,0)
    $hMemDC1 = _WinAPI_CreateCompatibleDC($hDC)
    $memBmp1 = _WinAPI_CreateCompatibleBitmap($hDC, 150, 100)
    $hOldFont1 = _WinAPI_SelectObject($hMemDC1, $memBmp1)
    $hBrush1 = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC1, $hBrush1)

    $hBrush = _WinAPI_CreateSolidBrush(0xFF00FF)
    _WinAPI_SelectObject($hMemDC, $hBrush)

    _WinAPI_BitBlt($hMemDC, 20, 20, 150, 60, $hDC, 20, 20, $loop[$i])

    _WinAPI_BitBlt($hDC, 40, 40, 150, 60, $hMemDC, 20, 20, $SRCCOPY)        ; left

    _WinAPI_BitBlt($hDC, 200, 40, 150, 60, $hMemDC, 200, 20, $loop[$si])     ; middle

    _WinAPI_BitBlt($hMemDC1, 20, 20, 150, 60, $hMemDC, 20, 20, $loop[$si])
    _WinAPI_BitBlt($hDC, 400, 40, 150, 60, $hMemDC1, 400, 20, $loop[$se])    ; right

    GUICtrlSetData($Lint, $i)
    GUICtrlSetData($Lsint, $si)
    GUICtrlSetData($Lsent, $se)
EndFunc

Func Nexti()
    $i += 1
    If $i > 16 Then
        $i = 0
    EndIf
    NextiROP()
EndFunc   ;==>Nexti

Func Nextsi()
    $si += 1
    If $si > 16 Then $si = 0
    NextiROP()
EndFunc   ;==>Nextsi

Func Nextse()
    $se += 1
    If $se > 16 Then $se = 0
    NextiROP()
EndFunc   ;==>Nextse
;
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