Hi,

I have an inherited DataGrid, that does lots of extra stuff. For exemple
drawing a backgroundimage in every cell. The problem is that it's taking too
much time (using gdi+), so I want to do it using DirectX. I downloaded
already the DSK etc, but I can't find how I need to draw an image on a given
position. I don't need stuff to write advanced 3D-games, just painting that
image. Can anybody help me with this? I'm already looking for this the whole
afternoon :-/

I learned already that I shouldn't use DirectDraw (not supported anymore)
but Direct3D? But that's really all I know yet.

Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a Form in
VB.NET: as simple and as fast as possible.. :-)

Thanks a lot in advance,

Pieter

Have you timed to find out what the problem is ? DirectX would more likely
help if you repeateadly draw the whole (updated) thing. Here you just have
to draw this one time before there is some other kind of interaction.

Before switching to a whole new method I would investigate (in particular I
would time) the current code to find out where is spent the time budget...

(and next time thanks for trying to narrow down the groups to which you
posts).
--
Patrice

"DraguVaso" <(E-Mail Removed)> a écrit dans le message de
news:ekI$(E-Mail Removed)...
> Hi,
>
> I have an inherited DataGrid, that does lots of extra stuff. For exemple
> drawing a backgroundimage in every cell. The problem is that it's taking
too
> much time (using gdi+), so I want to do it using DirectX. I downloaded
> already the DSK etc, but I can't find how I need to draw an image on a
given
> position. I don't need stuff to write advanced 3D-games, just painting
that
> image. Can anybody help me with this? I'm already looking for this the
whole
> afternoon :-/
>
> I learned already that I shouldn't use DirectDraw (not supported anymore)
> but Direct3D? But that's really all I know yet.
>
> Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a Form in
> VB.NET: as simple and as fast as possible.. :-)
>
> Thanks a lot in advance,
>
> Pieter
>
>

Well that's exactly what made me decide which to use DirectX: for every cell
it has to paint an image, and this has to happen on every paint of my
datagrid. So everytilme somebody scrolls, clicks in it, etc. I timed it, and
it takes the most time of my whole application (after using my application
for some seconds it has painted the same hing already more tahn 4000
times...) ! I'm trying to make it faster tha past days, and imrpoved it
already a lot, but I saw the only improvement i can make now is using
DirectX...


"Patrice" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Have you timed to find out what the problem is ? DirectX would more likely
> help if you repeateadly draw the whole (updated) thing. Here you just
have
> to draw this one time before there is some other kind of interaction.
>
> Before switching to a whole new method I would investigate (in particular
I
> would time) the current code to find out where is spent the time budget...
>
> (and next time thanks for trying to narrow down the groups to which you
> posts).
> --
> Patrice
>
> "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> news:ekI$(E-Mail Removed)...
> > Hi,
> >
> > I have an inherited DataGrid, that does lots of extra stuff. For exemple
> > drawing a backgroundimage in every cell. The problem is that it's taking
> too
> > much time (using gdi+), so I want to do it using DirectX. I downloaded
> > already the DSK etc, but I can't find how I need to draw an image on a
> given
> > position. I don't need stuff to write advanced 3D-games, just painting
> that
> > image. Can anybody help me with this? I'm already looking for this the
> whole
> > afternoon :-/
> >
> > I learned already that I shouldn't use DirectDraw (not supported
anymore)
> > but Direct3D? But that's really all I know yet.
> >
> > Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a Form
in
> > VB.NET: as simple and as fast as possible.. :-)
> >
> > Thanks a lot in advance,
> >
> > Pieter
> >
> >
>
>

If you switch to DX, you will need to re-implement your datagrid in DX and
paint all the data, etc. DX and GDI are very, very different.


"DraguVaso" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Well that's exactly what made me decide which to use DirectX: for every
> cell
> it has to paint an image, and this has to happen on every paint of my
> datagrid. So everytilme somebody scrolls, clicks in it, etc. I timed it,
> and
> it takes the most time of my whole application (after using my application
> for some seconds it has painted the same hing already more tahn 4000
> times...) ! I'm trying to make it faster tha past days, and imrpoved it
> already a lot, but I saw the only improvement i can make now is using
> DirectX...
>
>
> "Patrice" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
>> Have you timed to find out what the problem is ? DirectX would more
>> likely
>> help if you repeateadly draw the whole (updated) thing. Here you just
> have
>> to draw this one time before there is some other kind of interaction.
>>
>> Before switching to a whole new method I would investigate (in particular
> I
>> would time) the current code to find out where is spent the time
>> budget...
>>
>> (and next time thanks for trying to narrow down the groups to which you
>> posts).
>> --
>> Patrice
>>
>> "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
>> news:ekI$(E-Mail Removed)...
>> > Hi,
>> >
>> > I have an inherited DataGrid, that does lots of extra stuff. For
>> > exemple
>> > drawing a backgroundimage in every cell. The problem is that it's
>> > taking
>> too
>> > much time (using gdi+), so I want to do it using DirectX. I downloaded
>> > already the DSK etc, but I can't find how I need to draw an image on a
>> given
>> > position. I don't need stuff to write advanced 3D-games, just painting
>> that
>> > image. Can anybody help me with this? I'm already looking for this the
>> whole
>> > afternoon :-/
>> >
>> > I learned already that I shouldn't use DirectDraw (not supported
> anymore)
>> > but Direct3D? But that's really all I know yet.
>> >
>> > Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a Form
> in
>> > VB.NET: as simple and as fast as possible.. :-)
>> >
>> > Thanks a lot in advance,
>> >
>> > Pieter
>> >
>> >
>>
>>
>
>

You wont be able to do this with the standard datagrid, I think you will
need to find a third party grid that supports drawing an image in each cell
and then keeps that on its backbuffer and doesnt render the image with each
paint, or find an open source grid and modify for you needs.

James

--
Create interactive diagrams and flowcharts with ERM Diagram at
http://www.crainiate.net

Take the ERM Tour at http://www.flowchartcontrol.com

"DraguVaso" <(E-Mail Removed)> wrote in message
news:ekI$(E-Mail Removed)...
> Hi,
>
> I have an inherited DataGrid, that does lots of extra stuff. For exemple
> drawing a backgroundimage in every cell. The problem is that it's taking
> too
> much time (using gdi+), so I want to do it using DirectX. I downloaded
> already the DSK etc, but I can't find how I need to draw an image on a
> given
> position. I don't need stuff to write advanced 3D-games, just painting
> that
> image. Can anybody help me with this? I'm already looking for this the
> whole
> afternoon :-/
>
> I learned already that I shouldn't use DirectDraw (not supported anymore)
> but Direct3D? But that's really all I know yet.
>
> Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a Form in
> VB.NET: as simple and as fast as possible.. :-)
>
> Thanks a lot in advance,
>
> Pieter
>
>

I meant not as a whole but broken into steps. How much time does it take to
render how many cells ? What if you try to render a bitmap the same number
of times ? Especially keep ind mind that there are some subtles things that
could slow down the process such as stretching or doing some operations each
time you draw a cell rather than once etc...

You could also see if alternate approaches may help such as drawing the
datagrid as a bitmap with a transparent color on a backgrround bitmap.

DirectX is a low level API to discuss with graphics hardware and doesn't
provide any GDI integration. IMO would be much more complex and I still
suspect you have room left for improvments...

--

Patrice

"DraguVaso" <(E-Mail Removed)> a écrit dans le message de
news:(E-Mail Removed)...
> Well that's exactly what made me decide which to use DirectX: for every
cell
> it has to paint an image, and this has to happen on every paint of my
> datagrid. So everytilme somebody scrolls, clicks in it, etc. I timed it,
and
> it takes the most time of my whole application (after using my application
> for some seconds it has painted the same hing already more tahn 4000
> times...) ! I'm trying to make it faster tha past days, and imrpoved it
> already a lot, but I saw the only improvement i can make now is using
> DirectX...
>
>
> "Patrice" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
> > Have you timed to find out what the problem is ? DirectX would more
likely
> > help if you repeateadly draw the whole (updated) thing. Here you just
> have
> > to draw this one time before there is some other kind of interaction.
> >
> > Before switching to a whole new method I would investigate (in
particular
> I
> > would time) the current code to find out where is spent the time
budget...
> >
> > (and next time thanks for trying to narrow down the groups to which you
> > posts).
> > --
> > Patrice
> >
> > "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> > news:ekI$(E-Mail Removed)...
> > > Hi,
> > >
> > > I have an inherited DataGrid, that does lots of extra stuff. For
exemple
> > > drawing a backgroundimage in every cell. The problem is that it's
taking
> > too
> > > much time (using gdi+), so I want to do it using DirectX. I downloaded
> > > already the DSK etc, but I can't find how I need to draw an image on a
> > given
> > > position. I don't need stuff to write advanced 3D-games, just painting
> > that
> > > image. Can anybody help me with this? I'm already looking for this the
> > whole
> > > afternoon :-/
> > >
> > > I learned already that I shouldn't use DirectDraw (not supported
> anymore)
> > > but Direct3D? But that's really all I know yet.
> > >
> > > Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a
Form
> in
> > > VB.NET: as simple and as fast as possible.. :-)
> > >
> > > Thanks a lot in advance,
> > >
> > > Pieter
> > >
> > >
> >
> >
>
>

What method are you using ? Using a brush seems quite quick...
(narrowed down to
microsoft.public.dotnet.framework,microsoft.public.dotnet.framework.drawing,
microsoft.public.dotnet.general)


--
Patrice

"Patrice" <(E-Mail Removed)> a écrit dans le message de
news:O80zN%(E-Mail Removed)...
> I meant not as a whole but broken into steps. How much time does it take
to
> render how many cells ? What if you try to render a bitmap the same number
> of times ? Especially keep ind mind that there are some subtles things
that
> could slow down the process such as stretching or doing some operations
each
> time you draw a cell rather than once etc...
>
> You could also see if alternate approaches may help such as drawing the
> datagrid as a bitmap with a transparent color on a backgrround bitmap.
>
> DirectX is a low level API to discuss with graphics hardware and doesn't
> provide any GDI integration. IMO would be much more complex and I still
> suspect you have room left for improvments...
>
> --
>
> Patrice
>
> "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> news:(E-Mail Removed)...
> > Well that's exactly what made me decide which to use DirectX: for every
> cell
> > it has to paint an image, and this has to happen on every paint of my
> > datagrid. So everytilme somebody scrolls, clicks in it, etc. I timed it,
> and
> > it takes the most time of my whole application (after using my
application
> > for some seconds it has painted the same hing already more tahn 4000
> > times...) ! I'm trying to make it faster tha past days, and imrpoved it
> > already a lot, but I saw the only improvement i can make now is using
> > DirectX...
> >
> >
> > "Patrice" <(E-Mail Removed)> wrote in message
> > news:(E-Mail Removed)...
> > > Have you timed to find out what the problem is ? DirectX would more
> likely
> > > help if you repeateadly draw the whole (updated) thing. Here you just
> > have
> > > to draw this one time before there is some other kind of interaction.
> > >
> > > Before switching to a whole new method I would investigate (in
> particular
> > I
> > > would time) the current code to find out where is spent the time
> budget...
> > >
> > > (and next time thanks for trying to narrow down the groups to which
you
> > > posts).
> > > --
> > > Patrice
> > >
> > > "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> > > news:ekI$(E-Mail Removed)...
> > > > Hi,
> > > >
> > > > I have an inherited DataGrid, that does lots of extra stuff. For
> exemple
> > > > drawing a backgroundimage in every cell. The problem is that it's
> taking
> > > too
> > > > much time (using gdi+), so I want to do it using DirectX. I
downloaded
> > > > already the DSK etc, but I can't find how I need to draw an image on
a
> > > given
> > > > position. I don't need stuff to write advanced 3D-games, just
painting
> > > that
> > > > image. Can anybody help me with this? I'm already looking for this
the
> > > whole
> > > > afternoon :-/
> > > >
> > > > I learned already that I shouldn't use DirectDraw (not supported
> > anymore)
> > > > but Direct3D? But that's really all I know yet.
> > > >
> > > > Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a
> Form
> > in
> > > > VB.NET: as simple and as fast as possible.. :-)
> > > >
> > > > Thanks a lot in advance,
> > > >
> > > > Pieter
> > > >
> > > >
> > >
> > >
> >
> >
>
>

Yes I am able to do it with the standard grid: I'm actually doing it
already. But I just want to be able to do it with DirectX....

So my question is still: how do I paint an image using directX? does nobody
knows this? :-S

"James Westgate" <(E-Mail Removed)> wrote in message
news:%(E-Mail Removed)...
> You wont be able to do this with the standard datagrid, I think you will
> need to find a third party grid that supports drawing an image in each
cell
> and then keeps that on its backbuffer and doesnt render the image with
each
> paint, or find an open source grid and modify for you needs.
>
> James
>
> --
> Create interactive diagrams and flowcharts with ERM Diagram at
> http://www.crainiate.net
>
> Take the ERM Tour at http://www.flowchartcontrol.com
>
> "DraguVaso" <(E-Mail Removed)> wrote in message
> news:ekI$(E-Mail Removed)...
> > Hi,
> >
> > I have an inherited DataGrid, that does lots of extra stuff. For exemple
> > drawing a backgroundimage in every cell. The problem is that it's taking
> > too
> > much time (using gdi+), so I want to do it using DirectX. I downloaded
> > already the DSK etc, but I can't find how I need to draw an image on a
> > given
> > position. I don't need stuff to write advanced 3D-games, just painting
> > that
> > image. Can anybody help me with this? I'm already looking for this the
> > whole
> > afternoon :-/
> >
> > I learned already that I shouldn't use DirectDraw (not supported
anymore)
> > but Direct3D? But that's really all I know yet.
> >
> > Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a Form
in
> > VB.NET: as simple and as fast as possible.. :-)
> >
> > Thanks a lot in advance,
> >
> > Pieter
> >
> >
>
>

I prerender my images: that speeded up things a lot.
I put al my images into the Format32bppPArgb-Pixelformat
I use double buffering
I also use
g.InterpolationMode = Drawing2D.InterpolationMode.NearestNeighbor
g.CompositingQuality = Drawing2D.CompositingQuality.HighSpeed
g.SmoothingMode = Drawing2D.SmoothingMode.HighSpeed
I don't paint a BackGround to gain time.

I used a code profiler to determine the bottlenecks and speed up several
things. the only thing that still takes much time is the method which is
actually paintng every time the image: "g.DrawImage(fe.BackgroundImage,
rectB)". I know i could get faster using DrawimageUnscaled, but because ot
he cell's width etc changes I can't use it here.

So I really think there isn't any more room left to make other improvements.
So that's why i really would like to know how I have to paint an image with
DirectX. Is this really such a hard question? Just painting an image with
DirectX?




"Patrice" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> What method are you using ? Using a brush seems quite quick...
> (narrowed down to
>
microsoft.public.dotnet.framework,microsoft.public.dotnet.framework.drawing,
> microsoft.public.dotnet.general)
>
>
> --
> Patrice
>
> "Patrice" <(E-Mail Removed)> a écrit dans le message de
> news:O80zN%(E-Mail Removed)...
> > I meant not as a whole but broken into steps. How much time does it take
> to
> > render how many cells ? What if you try to render a bitmap the same
number
> > of times ? Especially keep ind mind that there are some subtles things
> that
> > could slow down the process such as stretching or doing some operations
> each
> > time you draw a cell rather than once etc...
> >
> > You could also see if alternate approaches may help such as drawing the
> > datagrid as a bitmap with a transparent color on a backgrround bitmap.
> >
> > DirectX is a low level API to discuss with graphics hardware and doesn't
> > provide any GDI integration. IMO would be much more complex and I still
> > suspect you have room left for improvments...
> >
> > --
> >
> > Patrice
> >
> > "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> > news:(E-Mail Removed)...
> > > Well that's exactly what made me decide which to use DirectX: for
every
> > cell
> > > it has to paint an image, and this has to happen on every paint of my
> > > datagrid. So everytilme somebody scrolls, clicks in it, etc. I timed
it,
> > and
> > > it takes the most time of my whole application (after using my
> application
> > > for some seconds it has painted the same hing already more tahn 4000
> > > times...) ! I'm trying to make it faster tha past days, and imrpoved
it
> > > already a lot, but I saw the only improvement i can make now is using
> > > DirectX...
> > >
> > >
> > > "Patrice" <(E-Mail Removed)> wrote in message
> > > news:(E-Mail Removed)...
> > > > Have you timed to find out what the problem is ? DirectX would more
> > likely
> > > > help if you repeateadly draw the whole (updated) thing. Here you
just
> > > have
> > > > to draw this one time before there is some other kind of
interaction.
> > > >
> > > > Before switching to a whole new method I would investigate (in
> > particular
> > > I
> > > > would time) the current code to find out where is spent the time
> > budget...
> > > >
> > > > (and next time thanks for trying to narrow down the groups to which
> you
> > > > posts).
> > > > --
> > > > Patrice
> > > >
> > > > "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> > > > news:ekI$(E-Mail Removed)...
> > > > > Hi,
> > > > >
> > > > > I have an inherited DataGrid, that does lots of extra stuff. For
> > exemple
> > > > > drawing a backgroundimage in every cell. The problem is that it's
> > taking
> > > > too
> > > > > much time (using gdi+), so I want to do it using DirectX. I
> downloaded
> > > > > already the DSK etc, but I can't find how I need to draw an image
on
> a
> > > > given
> > > > > position. I don't need stuff to write advanced 3D-games, just
> painting
> > > > that
> > > > > image. Can anybody help me with this? I'm already looking for this
> the
> > > > whole
> > > > > afternoon :-/
> > > > >
> > > > > I learned already that I shouldn't use DirectDraw (not supported
> > > anymore)
> > > > > but Direct3D? But that's really all I know yet.
> > > > >
> > > > > Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a
> > Form
> > > in
> > > > > VB.NET: as simple and as fast as possible.. :-)
> > > > >
> > > > > Thanks a lot in advance,
> > > > >
> > > > > Pieter
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>

I don't get it really: How can I use a Brush it I want to paint an image? I
thought a Brush is jsut one color, not an image? Or am I wrong?


"Patrice" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> What method are you using ? Using a brush seems quite quick...
> (narrowed down to
>
microsoft.public.dotnet.framework,microsoft.public.dotnet.framework.drawing,
> microsoft.public.dotnet.general)
>
>
> --
> Patrice
>
> "Patrice" <(E-Mail Removed)> a écrit dans le message de
> news:O80zN%(E-Mail Removed)...
> > I meant not as a whole but broken into steps. How much time does it take
> to
> > render how many cells ? What if you try to render a bitmap the same
number
> > of times ? Especially keep ind mind that there are some subtles things
> that
> > could slow down the process such as stretching or doing some operations
> each
> > time you draw a cell rather than once etc...
> >
> > You could also see if alternate approaches may help such as drawing the
> > datagrid as a bitmap with a transparent color on a backgrround bitmap.
> >
> > DirectX is a low level API to discuss with graphics hardware and doesn't
> > provide any GDI integration. IMO would be much more complex and I still
> > suspect you have room left for improvments...
> >
> > --
> >
> > Patrice
> >
> > "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> > news:(E-Mail Removed)...
> > > Well that's exactly what made me decide which to use DirectX: for
every
> > cell
> > > it has to paint an image, and this has to happen on every paint of my
> > > datagrid. So everytilme somebody scrolls, clicks in it, etc. I timed
it,
> > and
> > > it takes the most time of my whole application (after using my
> application
> > > for some seconds it has painted the same hing already more tahn 4000
> > > times...) ! I'm trying to make it faster tha past days, and imrpoved
it
> > > already a lot, but I saw the only improvement i can make now is using
> > > DirectX...
> > >
> > >
> > > "Patrice" <(E-Mail Removed)> wrote in message
> > > news:(E-Mail Removed)...
> > > > Have you timed to find out what the problem is ? DirectX would more
> > likely
> > > > help if you repeateadly draw the whole (updated) thing. Here you
just
> > > have
> > > > to draw this one time before there is some other kind of
interaction.
> > > >
> > > > Before switching to a whole new method I would investigate (in
> > particular
> > > I
> > > > would time) the current code to find out where is spent the time
> > budget...
> > > >
> > > > (and next time thanks for trying to narrow down the groups to which
> you
> > > > posts).
> > > > --
> > > > Patrice
> > > >
> > > > "DraguVaso" <(E-Mail Removed)> a écrit dans le message de
> > > > news:ekI$(E-Mail Removed)...
> > > > > Hi,
> > > > >
> > > > > I have an inherited DataGrid, that does lots of extra stuff. For
> > exemple
> > > > > drawing a backgroundimage in every cell. The problem is that it's
> > taking
> > > > too
> > > > > much time (using gdi+), so I want to do it using DirectX. I
> downloaded
> > > > > already the DSK etc, but I can't find how I need to draw an image
on
> a
> > > > given
> > > > > position. I don't need stuff to write advanced 3D-games, just
> painting
> > > > that
> > > > > image. Can anybody help me with this? I'm already looking for this
> the
> > > > whole
> > > > > afternoon :-/
> > > > >
> > > > > I learned already that I shouldn't use DirectDraw (not supported
> > > anymore)
> > > > > but Direct3D? But that's really all I know yet.
> > > > >
> > > > > Basicly I jsut need to be able to draw an imahe (jpg, bitmap) on a
> > Form
> > > in
> > > > > VB.NET: as simple and as fast as possible.. :-)
> > > > >
> > > > > Thanks a lot in advance,
> > > > >
> > > > > Pieter
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>