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Rockbox mail archiveSubject: Re: your mailRe: your mail
From: Daniel Stenberg <daniel_at_haxx.se>
Date: Tue, 25 Jun 2002 16:12:52 +0200 (MET DST) On Tue, 25 Jun 2002, Benoit Midy wrote: > - Is the bitmap LCD of the recorder only 1-pixel depth (I mean that each > pixel could ON or OFF) lor could we set many pixel to many different > contrast level ? I think it is only 1-pixel, isn't it ? Yes, there is only on or off, 1-pixel depth. > - About the bmp.c file inm the .\apps directory I'd like to know if I > could compile it as a command line utlility and then use it to generate the > C-array that contains the fonts from a bitmap ? That's actually more or less how I did the Rockbox logo array, I made code that is now within "#if 0" in apps/main_menu.c output the values in comma-separated hex values instead of passing the data to lcd_bitmap() and *bing* I had an array... > if yes how do I must compile it to get an executable ? The bmp.c file is initially Linus' code that I hacked up to compile and build for Rockbox with the Rockbox logo bmp file. I simply put a #ifdef STANDALONE around code that is still present but not used in the file. Define that symbol and work away the flaws to build a stand alone tool. The internal bitmap format is like this. w being the width of the given bitmap: Pixel Column 0 1 2 ... Pixel row 0 byte 0 bit 0 byte 1 bit 0 byte 2 bit 0 1 byte 0 bit 1 byte 1 bit 1 byte 2 bit 1 2 byte 0 bit 2 byte 1 bit 2 byte 2 bit 2 ... 7 byte 0 bit 7 byte 1 bit 7 byte 2 bit 7 8 byte w bit 0 byte w+1 bit 0 byte w+2 bit 0 9 byte w bit 1 byte w+1 bit 1 byte w+2 bit 1 ... -- Daniel Stenberg -- Rocking the box => http://bjorn.haxx.se/rockbox/Received on 2002-06-25 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |