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fincs
PostPosted: February 15th, 2009, 4:32 pm 
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Location: Seville, Spain
EasyBMP - Extremely tiny BMP manipulation DLL based on a powerful C++ BMP library

Version 1.2

Hi, I present you my newest creation!
It's a DLL that allows you to manipulate BMP files.
It is based on the C++ BMP library of the same name (link).
The total size of the DLL is 28 KB :!:
Features:
  • Load and save uncompressed BMPs.
  • Plot pixels, draw lines, rectangles, circles, arcs and text.
  • Copy image blocks with transparent color support and fill image regions with colors.
  • Get pixel colors.
  • Set/get bit depth, DPI (dots per inch) support.
  • Image resizing.
  • Anti-aliasing for the drawing and bilinear filtering for the resizing.
  • Display images in Text or Picture controls without temporary files.
  • Take screenshots of the screen and particular windows.

Works with any Windows version (9x/ME/NT/2000/XP/Vista/7).

What are you waiting for?
Download - Documentation

Changelog:

v1.2: Numerous bugfixes in the EasyBMP C++ library (yes, it was buggy!) related to the alpha channel. Made the DLL smaller. Bugfixes on the AHK wrapper, a typo.
v1.1: Added BMP_FillBlock() function, fixed a memory-wasting bug in the DLL. Made examples of every function.
v1.0: Initial release.

Coming soon: Embedded DLL inside script that will be extracted on run-time.

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Last edited by fincs on February 15th, 2009, 10:55 pm, edited 5 times in total.

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fincs
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PostPosted: February 15th, 2009, 7:44 pm 
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28 views and no reply yet?

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fincs
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tidbit
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PostPosted: February 15th, 2009, 7:48 pm 
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28 views isn't much. Neither is 3 hours. People have lives other then PC/AHK. Be patient.

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tank
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PostPosted: February 15th, 2009, 9:50 pm 
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tidbit wrote:
People have lives other then PC/AHK. Be patient.
We DO :?:

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fincs
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PostPosted: February 15th, 2009, 10:17 pm 
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Version 1.2 released which does bugfixes to the base EasyBMP C++ library and thus the DLL.

EDIT: Uploaded a more compact DLL.
EDIT2: Uploaded a version of the AHK wrapper without a typo :roll:

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~Trikster
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PostPosted: February 16th, 2009, 1:35 am 
There are some (500+) typos on your documentation. In the related links, each one on each page starts with ".\" which causes you to link to a missing file.


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~Trikster
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PostPosted: February 16th, 2009, 1:36 am 
~Trikster wrote:
There are some (500+) typos on your documentation. In the related links, each one on each page starts with "." which causes you to link to a missing file.


Edit: Sorry, this only occurs in Firefox 3.0.6. It works fine in Chrome.


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Drugwash
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PostPosted: February 16th, 2009, 5:38 pm 
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Well, the example does create and display a screenshot (for primary monitor only; please note I use dual-view), however the resulting screenshot is a 32bit bitmap that Win9x - or better said, certain image-manipulating apps - may not be very fond of. Is there a way to specify colour depth (at least 24/32bit)?

Tested in Win98SE.

This might be useful to simulate the Superbar behavior of Window 7 in Win9x... if anybody feels the urge to. Could also be of help in the DM2 project, since its native screenshot feature doesn't currently work in 9x. :D

Thank you, fincs! 8)

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Plenty
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PostPosted: October 14th, 2010, 11:11 pm 
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Cool stuff. I'm using it currently with Sparrow for some basic Captcha generation (random name generator script from this forum as a word creating module).


All files + noise.bmp
I could write a function to make a noise, but with my abilities it would take even longer to generate captcha ;P

http://www.autohotkey.net/~plenty/captcha/captcha.rar



Code:
SetWorkingDir %A_ScriptDir%

#include EasyBMP.ahk

EasyBMP_Init()
rc := EasyBMP_Init() ; initializes EasyBMP
If !rc
{
   MsgBox, 16,, Error initializing EasyBMP!
   ExitApp
}

Random, , A_MSec

hBMP1 := BMP_Create()
BMP_Set(hBMP1, "size", 300, 60)

Text4bmp:=RandomName(4, 8)
Text_DrawString(hBMP1, "x8 y10", Text4bmp, 40, "0x000000BB")
Text_DrawString(hBMP1, "x13 y10", Text4bmp, 40, "0x000000BB")
Text_DrawString(hBMP1, "x10 y10", Text4bmp, 40, "0x00FF00BB")
Text_DrawString(hBMP1, "x11 y10", Text4bmp, 40, "0x0000FFBB")
Text_DrawString(hBMP1, "x10 y11", Text4bmp, 40, "0xFF0000BB")
Text_DrawString(hBMP1, "x9 y10", Text4bmp, 40, "0x0FF000BB")
Text_DrawString(hBMP1, "x12 y10", Text4bmp, 40, "0x000FF0BB")
Text_DrawString(hBMP1, "x9 y9", Text4bmp, 40, "0x0FF000BB")
Text_DrawString(hBMP1, "x12 y11", Text4bmp, 40, "0x000FF0BB")

;stamp:=x30 y30 w300 h60
hBMP2 := BMP_Create()
BMP_LoadFile(hBMP2, "noise.bmp") ; loads the file noise.bmp into hBMP2.
BMP_GetInfo(hBMP2, noiseW, noiseH)
rangeX:=noiseW-300
rangeY:=noiseH-60

Random, x, 0, rangeX
Random, y , 0, rangeY
randompos=x%x% y%y% w300 h60
BMP_CopyBlock(hBMP2, randompos, hBMP1, "x0 y0", "white")

Random, x, 0, rangeX
Random, y , 0, rangeY
randompos=x%x% y%y% w300 h60
BMP_CopyBlock(hBMP2, randompos, hBMP1, "x0 y0", "white")


BMP_Set(hBMP1, "bitdepth", 4) ;sets 4 bit (16 colors)  to reduce output size (works only if there are no more than 16, otherwise, i think, it defaults to 32 bits)
BMP_SaveFile(hBMP1, "captcha.bmp")



EasyBMP_DeInit()

ExitApp


RandomName(MinLength=4, MaxLength=8)
{   

   ;This is a table of probabilities of given letter combinations.
   ;Each list is the probability of any letter coming after the letter that is the variable name.
   ;The 27th value is the probability that the word ends with the current letter.

   A=0.005129|0.020532|0.038276|0.031753|0.005903|0.009913|0.027038|0.014457|0.023527|0.003511|0.021702|0.086397|0.045315|0.192551|0.002685|0.014491|0.001136|0.142056|0.059445|0.043698|0.041322|0.018312|0.010774|0.001824|0.020584|0.010240|0.107428
   B=0.184518|0.021072|0.000500|0.002564|0.243982|0.000125|0.000188|0.002564|0.076033|0.001313|0.001563|0.055274|0.000875|0.002376|0.132933|0.000063|0.000000|0.133683|0.009192|0.000313|0.090977|0.000188|0.000125|0.000000|0.022447|0.000313|0.016820
   C=0.131713|0.001253|0.042204|0.003536|0.053348|0.001566|0.008727|0.275689|0.051557|0.000090|0.154493|0.028375|0.003849|0.004117|0.123255|0.001343|0.002954|0.036744|0.002506|0.003043|0.028419|0.000806|0.001343|0.000000|0.004699|0.017678|0.016694
   D=0.103809|0.005881|0.001079|0.024765|0.256609|0.003345|0.017266|0.006367|0.102029|0.000701|0.002968|0.027085|0.008849|0.007985|0.107424|0.000432|0.000432|0.046833|0.019208|0.017427|0.044783|0.001619|0.007068|0.000000|0.020557|0.005288|0.160192
   E=0.031341|0.012931|0.019802|0.020976|0.022773|0.007726|0.014163|0.010930|0.034414|0.002392|0.012409|0.104894|0.023455|0.108561|0.004291|0.007973|0.000464|0.239084|0.062957|0.042633|0.006958|0.011727|0.010582|0.001363|0.039371|0.008379|0.137452
   F=0.111275|0.000369|0.000985|0.000246|0.170236|0.139463|0.000985|0.000985|0.112752|0.000492|0.003570|0.058961|0.004677|0.004677|0.114476|0.000246|0.000123|0.100197|0.011324|0.021295|0.041113|0.000369|0.000246|0.000000|0.003570|0.000862|0.096504
   G=0.140257|0.004596|0.000919|0.003493|0.199694|0.002145|0.030944|0.064951|0.064767|0.000551|0.000919|0.053922|0.006311|0.020282|0.084191|0.000551|0.000368|0.083027|0.019179|0.012316|0.063725|0.000797|0.004718|0.000245|0.003309|0.000123|0.133701
   H=0.214954|0.004703|0.001599|0.001035|0.189466|0.002116|0.000564|0.002069|0.102610|0.000658|0.003621|0.037903|0.020973|0.022384|0.124759|0.000329|0.000000|0.032683|0.006207|0.021067|0.054221|0.000517|0.009358|0.000000|0.009828|0.000141|0.136233
   I=0.044717|0.012847|0.076362|0.026840|0.088736|0.009884|0.035604|0.003560|0.000896|0.001320|0.015511|0.082586|0.027886|0.216811|0.031571|0.012474|0.001270|0.031247|0.081889|0.054502|0.004158|0.011802|0.001494|0.002938|0.001245|0.009262|0.112588
   J=0.333844|0.000510|0.012251|0.006126|0.211843|0.000000|0.001021|0.003063|0.059214|0.001021|0.010720|0.002552|0.003063|0.009188|0.197550|0.000000|0.000000|0.000000|0.002552|0.007657|0.110260|0.000000|0.001021|0.000000|0.000510|0.001531|0.024502
   K=0.105301|0.002453|0.000239|0.000658|0.194089|0.001615|0.000120|0.013522|0.166507|0.000838|0.003889|0.046787|0.009633|0.017470|0.101412|0.000299|0.000060|0.036078|0.023932|0.001137|0.039069|0.000897|0.004786|0.000239|0.025009|0.000179|0.203781
   L=0.142144|0.012700|0.007785|0.033484|0.190748|0.007136|0.004641|0.004666|0.115222|0.000499|0.010554|0.157140|0.017815|0.003019|0.079568|0.004042|0.000549|0.002146|0.023429|0.022031|0.025599|0.007884|0.002770|0.000075|0.015320|0.004292|0.104743
   M=0.313971|0.039109|0.071357|0.001102|0.144316|0.001552|0.001502|0.001252|0.093991|0.000300|0.003756|0.007561|0.032849|0.001753|0.110366|0.030796|0.000451|0.004507|0.016475|0.000701|0.039509|0.000150|0.001052|0.000000|0.007161|0.000801|0.073660
   N=0.061413|0.016703|0.021091|0.069684|0.122481|0.004871|0.078736|0.008455|0.062562|0.000942|0.020976|0.004802|0.002481|0.042114|0.058036|0.001011|0.000712|0.003538|0.053877|0.050017|0.007168|0.001746|0.003331|0.000000|0.007099|0.011970|0.284182
   O=0.008524|0.017299|0.028237|0.027181|0.024717|0.015061|0.013377|0.013477|0.008725|0.002338|0.011843|0.083101|0.033291|0.169068|0.030248|0.016394|0.000654|0.114958|0.060421|0.038018|0.047975|0.020140|0.041337|0.002791|0.010611|0.008725|0.151492
   P=0.176699|0.000875|0.001459|0.000972|0.201984|0.015365|0.000292|0.038802|0.113099|0.000097|0.010503|0.051055|0.002334|0.003209|0.103958|0.076145|0.000000|0.074492|0.021103|0.010114|0.033064|0.000194|0.000875|0.000000|0.007002|0.000097|0.056209
   Q=0.006831|0.001366|0.000000|0.001366|0.000000|0.000000|0.000000|0.000000|0.005464|0.000000|0.000000|0.000000|0.000000|0.000000|0.000000|0.000000|0.000000|0.001366|0.000000|0.000000|0.968579|0.001366|0.000000|0.000000|0.000000|0.000000|0.013661
   R=0.107889|0.012734|0.012774|0.039466|0.114066|0.005515|0.027955|0.005334|0.100509|0.000762|0.014499|0.017507|0.018449|0.029038|0.095937|0.004171|0.001043|0.037882|0.037180|0.049252|0.031785|0.005475|0.003068|0.000160|0.020154|0.005715|0.201681
   S=0.063337|0.009701|0.073814|0.002910|0.097763|0.001774|0.001525|0.060925|0.050808|0.000554|0.061286|0.020318|0.015134|0.008482|0.067384|0.021426|0.002328|0.001663|0.053885|0.132300|0.016797|0.001247|0.011808|0.000000|0.003964|0.007429|0.211437
   T=0.091587|0.001630|0.012519|0.000347|0.159384|0.001595|0.001769|0.072652|0.074005|0.001283|0.006208|0.018484|0.009294|0.007352|0.110522|0.000555|0.000069|0.065543|0.026564|0.109169|0.024691|0.000763|0.005098|0.000000|0.013525|0.036447|0.148946
   U=0.021849|0.032911|0.052449|0.040176|0.074243|0.017281|0.047056|0.012163|0.041827|0.002862|0.015190|0.084205|0.058118|0.084810|0.006219|0.021354|0.001101|0.136984|0.111833|0.065658|0.000881|0.005449|0.002367|0.008806|0.007320|0.013979|0.032911
   V=0.281558|0.000162|0.000647|0.001293|0.327461|0.000162|0.000323|0.000162|0.251657|0.000485|0.001616|0.010991|0.000162|0.003071|0.078390|0.000000|0.000000|0.012769|0.007435|0.000323|0.004687|0.000162|0.000323|0.000000|0.007112|0.000485|0.008566
   W=0.204323|0.006032|0.003770|0.009801|0.191380|0.000880|0.001131|0.037824|0.200804|0.000000|0.005278|0.018472|0.003644|0.016210|0.092109|0.000377|0.000126|0.013948|0.074265|0.004398|0.007665|0.000628|0.000628|0.000000|0.015582|0.000628|0.090098
   X=0.063694|0.022293|0.004777|0.001592|0.081210|0.012739|0.000000|0.011146|0.065287|0.000000|0.001592|0.039809|0.014331|0.014331|0.044586|0.001592|0.000000|0.004777|0.033439|0.078025|0.007962|0.000000|0.014331|0.003185|0.004777|0.001592|0.472930
   Y=0.061443|0.012165|0.011753|0.016289|0.072062|0.003505|0.004845|0.004845|0.003505|0.000206|0.016907|0.026495|0.018763|0.042268|0.032680|0.003711|0.000206|0.014330|0.026186|0.011856|0.008763|0.001443|0.004021|0.000206|0.000412|0.002887|0.598247
   Z=0.165246|0.006787|0.005366|0.004261|0.174085|0.000947|0.004261|0.003946|0.121370|0.000000|0.014205|0.018466|0.017045|0.009154|0.066761|0.000789|0.001578|0.001578|0.004104|0.000631|0.035827|0.000631|0.008996|0.000000|0.034722|0.058396|0.240846
   Start=0.037129|0.091544|0.068008|0.055260|0.020789|0.036464|0.052670|0.058435|0.006802|0.012894|0.051228|0.053638|0.085992|0.020597|0.016318|0.052275|0.002725|0.047647|0.109494|0.038852|0.004460|0.023480|0.036127|0.000180|0.006261|0.010732
   

   ;This allows numerical values to easily be converted to letters.
   Alphabet = ABCDEFGHIJKLMNOPQRSTUVWXYZ
   
   Loop
   {
      ;Checks for the previous letter to determine which set of probabilities to use.
      If (!Word)
         Previous = Start
      Else
         Previous := SubStr(Word, 0, 1)


      ;Randomly chooses the next letter, based on the probabilities listed above.
      Random, rand, 0.0, 1.0
      Sum = 0
      Next =
      Loop, parse, %Previous%, |
      {
         Sum += A_LoopField
         If (rand<Sum)
         {
            Next := SubStr(Alphabet, A_Index, 1)
            Break
         }
      }


      ;Finishes the word if the word randomly ends or reaches the maximum length.
      If ((!Next AND StrLen(Word)>=MinLength) OR (MaxLength AND StrLen(Word)=MaxLength))
         Break
   
      Word .= Next
   }
   
   StringUpper, Word, Word
   Return, Word
}




Hope it will be useful for sparrow users.


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macklin01
PostPosted: February 2nd, 2012, 6:28 pm 
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Posts: 2
Location: Los Angeles, CA
fincs wrote:
EasyBMP - Extremely tiny BMP manipulation DLL based on a powerful C++ BMP library

Version 1.2

Hi, I present you my newest creation!
It's a DLL that allows you to manipulate BMP files.
It is based on the C++ BMP library of the same name (link).
The total size of the DLL is 28 KB :!:
Features:
  • Load and save uncompressed BMPs.
  • Plot pixels, draw lines, rectangles, circles, arcs and text.
  • Copy image blocks with transparent color support and fill image regions with colors.
  • Get pixel colors.
  • Set/get bit depth, DPI (dots per inch) support.
  • Image resizing.
  • Anti-aliasing for the drawing and bilinear filtering for the resizing.
  • Display images in Text or Picture controls without temporary files.
  • Take screenshots of the screen and particular windows.
Works with any Windows version (9x/ME/NT/2000/XP/Vista/7).

What are you waiting for?
Download - Documentation

Changelog:

v1.2: Numerous bugfixes in the EasyBMP C++ library (yes, it was buggy!) related to the alpha channel. Made the DLL smaller. Bugfixes on the AHK wrapper, a typo.
v1.1: Added BMP_FillBlock() function, fixed a memory-wasting bug in the DLL. Made examples of every function.
v1.0: Initial release.

Coming soon: Embedded DLL inside script that will be extracted on run-time.


This is very cool. I'd be interested in the bugs you mentioned in your later post--I'd want to update EasyBMP to fix them.

Thanks -- Paul


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fincs
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PostPosted: February 2nd, 2012, 6:32 pm 
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Posts: 1240
Location: Seville, Spain
This is ridiculously outdated & doesn't work with the latest version of AHK. I'd suggest you use GDI+ instead.

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Highly recommended: AutoHotkey_L (see why) (all my code snippets require it)
Formal request to polyethene - I support the unity of the AutoHotkey community
Get SciTE4AutoHotkey v3.0.00 (Release Candidate)
[My project list]


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macklin01
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PostPosted: February 2nd, 2012, 6:36 pm 
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fincs wrote:
This is ridiculously outdated & doesn't work with the latest version of AHK. I'd suggest you use GDI+ instead.


That would certainly make sense for windows-only users (who would be using the DLL anyway.) Sorry I didn't notice the old dates in the original post. :-/

However, if you did find mistakes in the core library, I'd appreciate hearing them so I can fix them in EasyBMP (for use on all the other platforms).

All the best -- Paul (of easybmp.sf.net)


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fincs
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PostPosted: February 2nd, 2012, 7:45 pm 
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macklin01 wrote:
fincs wrote:
This is ridiculously outdated & doesn't work with the latest version of AHK. I'd suggest you use GDI+ instead.


That would certainly make sense for windows-only users (who would be using the DLL anyway.) Sorry I didn't notice the old dates in the original post. :-/

However, if you did find mistakes in the core library, I'd appreciate hearing them so I can fix them in EasyBMP (for use on all the other platforms).

All the best -- Paul (of easybmp.sf.net)


So you're the original EasyBMP developer :shock:

IIRC, EasyBMP forgot to update the alpha channel too when doing some operations. I just blew the dust off my local copy of the source code & made a patch. It applies to a folder containing both EasyBMP and the EasyBMP extension package. Feel free to do anything you like with my changes.

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