Fixed errors with older autoconf

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If this causes problems on any compiler, please report a bug to
http://bugzilla.libsdl.org/
and include the platform and version of compiler you're using.

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Increased accuracy of alpha blend calculation

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Added pre-build step to generate required headers

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Added pre-build step to generate required headers

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Fixes Bugzilla #813 for the 1.3 branch.

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Added support for --disable-dependency-tracking to configure.in

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http://wiki.libsdl.org/

Please contact Lauren MacDonell laleh_aziz cox.net who is coordinating it.

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make sure the development headers are actually available!

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Also noticed the SDL.h header in 1.3 didn't have the /** for the methods while testing. Attached is a quick fix patch.

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Sorry, here's another small fix.
I changed two options in the Doxyfiles in the XcodeDocSet directories which should allow at least a brief description to be seen in Quick Help.

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 Ken Bull      2009-10-04 09:51:30 PDT

2009/10/4 E. Wing <ewmailing@gmail.com>:
> Hi Kenneth,
> I noticed that SDL_SetColorKey and SDL_GetColorKey start with
> /*
> instead of
> /**
> in SDL_Surface.h in SDL 1.3.
>
> I haven't scrutinized the headers and I don't know if you had an
> automated process to add these, but I thought I would let you know in
> case there might be others that have the same problem.
>
> Thanks,
> Eric
>

The attached patch corrects this and other documentation errors in
SDL_surface.h

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 Mike Frysinger      2007-12-10 16:47:36 PST

it's much easier to manage .pc files for cross-compiling setups than it is for
random *-config scripts ... the cross-compiled pkg-config files can all be
easily/tightly controlled and separate from the host pkg-config files.  the
*-config files however are to be found in $PATH and can easily pick the wrong
one.

can we get the sdl.m4 macro updated so that it checks for libsdl.pc first via
the standard PKG_CHECK_MODULES() m4 macro, and if that fails, fall back to the
normal sdl-config voodoo.

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Included is the fix for the missing SDL_revision.h in the framework.

Also, I include the project template fixes for the prefix header files. But since this is in SVN directly, you must rename the files named
SDLApp_Prefix.pch
to
___PROJECTNAMEASIDENTIFIER____Prefix.pch

in the TemplatesForXcodeSnowLeopard and TemplatesForXcodeLeopard directories. (Do not rename the Tiger ones.)

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rename : Xcode/TemplatesForXcodeLeopard/SDL Application/SDLApp_Prefix.pch => Xcode/TemplatesForXcodeLeopard/SDL Application/___PROJECTNAMEASIDENTIFIER____Prefix.pch
rename : Xcode/TemplatesForXcodeLeopard/SDL Cocoa Application/SDLApp_Prefix.pch => Xcode/TemplatesForXcodeLeopard/SDL Cocoa Application/___PROJECTNAMEASIDENTIFIER____Prefix.pch
rename : Xcode/TemplatesForXcodeLeopard/SDL OpenGL Application/SDLApp_Prefix.pch => Xcode/TemplatesForXcodeLeopard/SDL OpenGL Application/___PROJECTNAMEASIDENTIFIER____Prefix.pch
rename : Xcode/TemplatesForXcodeSnowLeopard/SDL Application/SDLApp_Prefix.pch => Xcode/TemplatesForXcodeSnowLeopard/SDL Application/___PROJECTNAMEASIDENTIFIER____Prefix.pch
rename : Xcode/TemplatesForXcodeSnowLeopard/SDL Cocoa Application/SDLApp_Prefix.pch => Xcode/TemplatesForXcodeSnowLeopard/SDL Cocoa Application/___PROJECTNAMEASIDENTIFIER____Prefix.pch
rename : Xcode/TemplatesForXcodeSnowLeopard/SDL OpenGL Application/SDLApp_Prefix.pch => Xcode/TemplatesForXcodeSnowLeopard/SDL OpenGL Application/___PROJECTNAMEASIDENTIFIER____Prefix.pch
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 Daniele Forghieri      2009-09-30 15:48:24 PDT

Some tests doesn't use the correct include statement (and there are some
missing declaration) and some test use C++ variable after statement, preventing
compile wicth Open Watcom

The patch attached fixes this

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 Daniele Forghieri      2009-09-30 15:40:53 PDT

To compile the source in libm the variable huge must be renamed, I choose
huge_val

The patch attached change it so it compiles

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will end up getting locked and never unlocked and sound will never play.

Added a FIXME for Ryan to look at, too. :)

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Since current DirectFB implementation is incomplete for YUV surfaces (actually causes segmentation faults when trying Lock and use YUV planar textures) I decided to fix it a bit.
Here's a patch that should make DirectFB properly support YUV both packed and planar (3 planes).

(1) Removed SDL_BYTESPERPIXEL at all in favor of DFB_BYTES_PER_PIXEL(SDLToDFBPixelFormat(fmt)) which does return always proper BPP for YUVs too, coz SDL_BYTESPERPIXEL returns incorrect values for FOURCCs
(2) Fixed data->pixels allocation for planar YUVs in CreateTexture, it should allocate 150% more space
(3) Copy other planes for planar YUVs in UpdateTexture
(4) Moved checking if format is supported at all with DirectFB on CreateTexture at the beginning of the code

Waiting for comments,
--
Adam Strzelecki | nanoant.com

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Mason Wheeler to sdl

When I tried to render an image using something other than NULL for srcrect, it got horribly distorted.  I traced it down to the fact that the math in the rectangle adjustments performed just before the call to renderer->RenderCopy is written inside out.  It should look like this:

       if (dstrect->w != real_dstrect.w) {
           int deltax = (dstrect->x - real_dstrect.x);
           int deltaw = (dstrect->w - real_dstrect.w);
           real_srcrect.x += (deltax * real_srcrect.w) / dstrect->w;
           real_srcrect.w += (deltaw * real_srcrect.w) / dstrect->w;
       }
       if (dstrect->h != real_dstrect.h) {
           int deltay = (dstrect->y - real_dstrect.y);
           int deltah = (dstrect->h - real_dstrect.h);
           real_srcrect.y += (deltay * real_srcrect.h) / dstrect->h;
           real_srcrect.h += (deltah * real_srcrect.h) / dstrect->h;

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Lots of fixes.
Fixed missing power management building.
Added template icons to the project templates.
DocSet stuff
Documentation fixes..

Fixed all the SDLtests. (Lots of tedious work.) It now depends on the static library target for convenience so I am not going to remove it from the SDL xcode project.

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