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Raphael wrote:Short answer: you simply can't on PSP

?????
Yes!I cross out some codes;

this is SDL problem,of course you can use SDL in PSP.

You are blitting your image in the pn2 surface! #include <sdl.h> #include <sdl_image.h> void main&#40;&#41;&#123; Surf_Display = SDL_SetVideoMode&#40;400,400, 32, SDL_HWSURFACE | SDL_DOUBLEBUF&#41;&#41;; SDL_Surface* png1 = IMG_Load&#40;"png1.png"&#41;; SDL...

http://www.7575775.com/image/psp/surface.jpg My Code : #include <sdl.h> #include <sdl_image.h> void main&#40;&#41;&#123; Surf_Display = SDL_SetVideoMode&#40;400,400, 32, SDL_HWSURFACE | SDL_DOUBLEBUF&#41;&#41;; SDL_Surface* png1 = IMG_Load&#40;"png1.png"&#4...

Noko wrote:http://www.google.com/search?hl=en&q=RGB+to+HSL

second link

thinks.

How to set the SDL_Surface color's saturation,lighteness,balance and contrast value like Photoshop in PSP??? 1.use SDL_Image read a Image to a SDL_Surface. 2.modify SDL_Surface's color saturation(or lighteness,balance,contrast) just like Photoshop.. I want to write a PSP Photoshop software. Is anyon...

Compiler FreeType Error!_LT_DECL(build_libtool_libs, enable_ -------------------------------------------------------------------------------- I have install PSPDev in Red Hat Linux5.0 I have install automake 1.9.4,libtool 1.5.6,autoconf 2.59 follow command: #cd /user/local #svn co svn://svn.ps2dev.o...

I have install PSPDev in Red Hat Linux5.0 I have install automake 1.9.4,libtool 1.5.6,autoconf 2.59 follow command: #cd /user/local #svn co svn://svn.ps2dev.org/psp/trunk/freetype *svn no error #cd freetype #sh autogen.sh *running `aclocal -I .' *running `libtoolize --copy' *libtoolize: `config.sub'...