bmp

Can someone provide me a specification of 32 bit BMP image format?

My application have some problem on opening 32bit BMP images. some image has alpha channel and with certain value, but window image viewer, picasa photoshop seems ignore the alpha channel. how can I know whether I should take the alpha channel into account. So I need a specification of 32bit BMP Image. Can anyone help? Many thanks! ...

Dynamic texture loading in SDL

I´ve got problems with opening textures in SDL. I´ve got a function to read bmp files, optimize them and add colorkey: SDL_Surface* SDLStuff::LoadImage( char* FileName ) { printf( "Loading texture: \"%s\"\n", FileName ); SDL_Surface* loadedImage = 0; SDL_Surface* optimizedImage = 0; loadedImage = SDL_LoadBMP( FileName ); optimizedImag...

How to create a bmp file from rgb datas stored in a txt file?

Hi guys, I've to create a bmp image from two txt files.The first one is an mxn array: * * * * * * * * m n c11 c21 .. cm1 ... c1n c2n .. cmn * * * * * * * * * * * * * * * * 6 5 .7 .7 .6 1.0 1.2 .1 .9 .3 .7 1.1 .7 .2 1 1.1 1.2 1.3 1.7 .6 .5 .6 .5 .4 .9 .1101 2 .1 .1 .1 2.1 1.1 * * * * * * * * The second txt file is a color scale, like thi...

how could I load a bitmap file in a video feed?

I am using artoolkit to create an augmented reality based project.I can load vrml 3d objects in the video feed using openvrml. Now I wanted to load a bitmap or any other image file like jpg,png etc file on the marker in the video feed.How do I go about achieving this? ...

Getting RGB values for each pixel from a 24bpp Bitmap in C

Hello, i want to read the RGB values for each pixel from a .bmp file , so i can convert the bmp into a format suitable for gba . so i need to get just the RGB for each pixel and then write this information to a file. i am trying to use the windows.h structures : typedef struct { char signature[2]; unsigned int fileSize; u...

Capture screen shot with mouse cursor

Hi, I have used the following code to get screen shot on Windows. hdcMem = CreateCompatibleDC (hdc) ; int cx = GetDeviceCaps (hdc, HORZRES); int cy = GetDeviceCaps (hdc, VERTRES); HBITMAP hBitmap(NULL); hBitmap = CreateCompatibleBitmap (hdc, cx, cy) ; SelectObject (hdcMem, hBitmap) ; BitBlt(hdcMem, 0, 0, cx, cy, hdc, 0, 0, SRCCOP...

C code for loading bitmap

Hi everyone, Does anybody know a good C sample that loads bitmaps and handles all the cases: rle, b/w bitmaps, so on? Code should be cross-platform. Thanks. ...

C++ struct size: 2+4+2+2+4 = 16

Possible Duplicate: Why isnt sizeof for a struct equal to the sum of sizeof of each member? Why is the sizeof(); of this structure 16 bytes? I'm compiling in g++. struct bitmapfileheader { unsigned short bfType; unsigned int bfSize; unsigned short bfReserved1; unsigned short bfReserved2; unsigne...

C++: copying bmp using loop of fread and fwrite, casues output bmp is filled with color of the fisrt one in input bmp

I dunno why, but first pixel (left bottom) is loaded correctly, but the others won't load and the first color is used for whole picture... I have this in cycle fread(&pix,sizeof(pix),1,pictureIn); fwrite(&pix,sizeof(pix),1,pictureOut); edit: pix is struct of three unsigned chars (rgb), loading file and info header seems to be ok ...

Scriptable utility to convert BMPs + WAV to video (XviD)?

I'm looking for a scriptable utility to convert a bunch of BMPs and a WAV file into a video. XviD needs to be the output format. I'd like it to work on Linux (Ubuntu) if possible. A command line utility would be great, as I have 36 videos to create this way. A bash (or [insert favorite scripting language here]) script would be great ...

Getting the pixel value of BMP file

Hello, i got a question for reading an bmp image. How can i get the pixel value(R, G, B values) in an bmp image? Can anyone help me using the C programming language? ...

Converting BMPs to avi

I want to convert folders with video-frames in bitmaps into avi or mpeg files. I already have a VBScript which does a lot of stuff on those files, so it would be neat to integrate a functionallity to convert those folders automatically from my script. I can only find solutions that seem pretty low level and unfortunatley I don't know a w...

How to plot the Histogram of bmp image?

I have got all the pixel values (RGB) of a bmp image. After that, how can i plot the histogram of these values?? I am using C language on my project. Can anyone can help me? Thank you. ...

Unable to create GD image resource from BMP with MIME type 'image/x-ms-bmp' in PHP

I'm trying to create a GD image resource from a BMP image, however I'm having no luck. The BMP image in question was created and saved with Photoshop. I've tried a couple of BMPs I found on the web too, and they gave the same results. getimagesize() tells me the BMP image has an image type of IMAGETYPE_BMP (6) and a MIME type of 'image...

How to use Imagick php to generate a bmp file with a palette offset

I'm trying to use Imagick via php to generate a 8bit bmp from jpg. But i would like the pixel colors to start at index 16 rather than 0. The code below shows how to generate the bmp in the correct format i need, but the palette index defaults to 0. Is there a way to make sure the palette start at another index? $average = new Imag...

[OpenGL] Totally Stuck -- Need Models but none available - What to do?

So I've got this class where I have to make a simple game in OpenGL. I want to make space invanders (basically). So how in the world should I make anything appear on my screen that looks decent at all? :( I found some code, finally, that let me import a 3DS object. It was sweet I thought and went and put it in a class to make it a littl...

BMP2avi in python

hi I am looking for a python code that takes series of BMP file and merges them into Avi file (and get the parameter frames per second from the user) does anyone has an idea where to begin? Ariel ...

16-Bits BMP Validation

I'm developing a script using VBScript and I need to validate the input file as a 16-Bits BMP. At the time my script is like this: Const OverwriteExisting = TRUE Set objFSO = CreateObject("Scripting.FileSystemObject") objFSO.CopyFile "C:\16bmp.bmp" , "D:\test.bmp", OverwriteExisting But How can I validate the input file as a 16-Bits...

Is it possible to make a grayscale BMP file?

Hello. I am trying to make a program that outputs a 8-bit grayscale image to bmp file. I have found out that 8-bit BMP files are indexed. Is it possible to omit the color table and just put values instead of indexes in the color table? Or BMP format does not allow this? ...

Padding in 24-bits rgb bitmap

Hi, could somebody explain to me why in 24-bit rgb bitmap file I have to add a padding which size depends on width of image ? What for ? I mean I must add this code to my program (in C): if( read % 4 != 0 ) { read = 4 - (read%4); printf( "Padding: %d bytes\n", read ); fread( pixel, read, 1, inFile ); } ...