hej!
what i am actually after is not setting up 2 bit
grayscale mode, but actually making my palm application
read and display a .bmp file which is 2bit grayscale.
:)) but thankz anyhow! i knew that stuff already
cheers.
az.
--
Aaron Ardiri
Lecturer http://www.hig.se/~ardiri/
University-College i G�vle mailto:[EMAIL PROTECTED]
SE 801 76 G�vle SWEDEN
Tel: +46 26 64 87 38 Fax: +46 26 64 87 88
Mob: +46 70 352 8192 A/H: +46 26 10 16 11
On Mon, 26 Apr 1999, Jun-Kiat Lam wrote:
> Hi Aaron,
>
> I have a small simple sample (gee what a rhyme!) that draws 2-bit bitmaps
> following the "Seeing gray" article's instructions. I'll send it to you via
> direct email.
>
> Hope this helps.
>
> Rgds,
> JK Lam
> Metrowerks technical Support
>
> ----- Original Message -----
> From: Aaron Ardiri <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Sunday, April 25, 1999 10:47 AM
> Subject: 2bit greyscale?
>
>
> > hej!
> >
> > just wondering if anyone had any references to drawing
> > 2bit grayscale images?
> >
> > i have referred to the "seeinggray" gray article at
> > the Palm site, however it was not explanatory enough.
> >
> > currently, my application using 1bit bitmaps, however
> > i want to use 2bit (to have the gray levels). any ideas,
> > source code references? demos?
> >
> > i have checked out <UI/WindowNew.h> and here is the
> > Bitmap structure:
> >
> > ---
> > typedef struct {
> > Word width;
> > Word height;
> > Word rowBytes;
> > BitmapFlagsType flags;
> > Byte pixelSize; // bits/pixel
> > Byte version; // version of bitmap. This is vers 1
> > Word nextDepthOffset; // # of DWords to next BitmapType
> > // from beginnning of this one
> > Word reserved [2];
> > // Byte bits[] // If pixelSize == 1:
> > // this is the start of the pixels
> > // If pixelSize >= 2, we have:
> > // ColorTableType followed by pixels
> > // In most cases the ColorTableType
> will
> > // have 0 entries however and be
> only 1
> > // word long.
> > } BitmapType;
> > ---
> >
> > i dont recall finding any utilities that generated 2 bit
> > bitmaps, would this mean we would have to load the
> > bitmaps into the palm application, then hack the memory
> > to get 2bit? - this structure even comments out "bits" -
> > so there is no direct way of accessing the color values
> > without poking into "unknown" memory.
> >
> > cheers.
> >
> > az.
> > --
> > Aaron Ardiri
> > Lecturer http://www.hig.se/~ardiri/
> > University-College i G�vle mailto:[EMAIL PROTECTED]
> > SE 801 76 G�vle SWEDEN
> > Tel: +46 26 64 87 38 Fax: +46 26 64 87 88
> > Mob: +46 70 352 8192 A/H: +46 26 10 16 11
> >
> >
>
>
>
