Function Index - Minimal Library SDK

Minimal Library SDK

Function Index

Macro Index

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Variables

Tutorial

1) init . Skeleton sample

2) printf . Hello world

3) joystick . Joystick

4) rgb . 8 bits

5) rgb . 15 bits

6) rgb . 16 bits

7) rgb . RGB coarse scaler

8) timer . One second

9) sound . Sound

Function Index

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G
	gp2x_blitter_rect
	gp2x_deinit
	gp2x_dualcore_exec
	gp2x_dualcore_launch_program
	gp2x_dualcore_launch_program_from_disk
	gp2x_dualcore_pause
	gp2x_dualcore_sync
	gp2x_init
	gp2x_joystick_read
	gp2x_printf
	gp2x_printf_init
	gp2x_sound_frame
	gp2x_sound_pause
	gp2x_sound_volume
	gp2x_timer_delay
	gp2x_timer_read
	gp2x_video_cursor_move
	gp2x_video_cursor_setalpha
	gp2x_video_cursor_setup
	gp2x_video_cursor_show
	gp2x_video_logo_enable
	gp2x_video_RGB_color15
	gp2x_video_RGB_color16
	gp2x_video_RGB_color8
	gp2x_video_RGB_flip
	gp2x_video_RGB_setcolorkey
	gp2x_video_RGB_setpalette
	gp2x_video_RGB_setscaling
	gp2x_video_RGB_setwindows
	gp2x_video_setdithering
	gp2x_video_setgammacorrection
	gp2x_video_setluminance
	gp2x_video_waithsync
	gp2x_video_waitvsync
	gp2x_video_YUV_color
	gp2x_video_YUV_flip
	gp2x_video_YUV_setparts
	gp2x_video_YUV_setscaling

void ( * gp2x_blitter_rect )(gp2x_rect *r)

This function blits a gp2x_rect into screen.

This function unsets the whole library and returns to GP2X menu.

void gp2x_dualcore_exec( unsigned long command )

This function executes a 940T command.

void gp2x_dualcore_launch_program( unsigned long * area,
unsigned long size )

This function sets the 940T program, and launchs it.

void gp2x_dualcore_launch_program_from_disk( const char * file,
unsigned long offset,
unsigned long size )

This function sets the 940T program, and launchs it.

void gp2x_dualcore_pause( int yes )

This function pauses the secondary ARM 940T coprocessor.

void gp2x_dualcore_sync( void )

This function halts the 920T code until the 940T has finished all its tasks.

void gp2x_init( int ticks_per_second,
int bpp,
int rate,
int bits,
int stereo,
int Hz,
int solid_font )

This function sets up the whole library.

unsigned long gp2x_joystick_read( void )

This function returns the active GP2X joystick values.

void gp2x_printf( gp2x_font * f,
int x,
int y,
const char * format,
... )

This function printfs a string into the RGB layer.

void gp2x_printf_init( gp2x_font * f,
int w,
int h,
void * data,
int fg,
int bg,
int solid )

This function allows you to set your own fixed gp2x_font.

extern void gp2x_sound_frame( void * blah,
void * buffer,
int samples )

This function is automatically called by the library, and expects a sound buffer to be filled in.

void gp2x_sound_pause( int yes )

This function pauses and unpauses the sound.

void gp2x_sound_volume( int L /*0..100*/,
int R /*0..100*/ )

This function sets the sound volume.

void gp2x_timer_delay( unsigned long ticks )

This function halts the program for a given delay in gp2x_ticks units.

unsigned long gp2x_timer_read( void )

This function returns elapsed ticks in gp2x_ticks units since last gp2x_init call.

void gp2x_video_cursor_move( int x,
int y )

This function updates the cursor coordinates.

void gp2x_video_cursor_setalpha( int FG_A,
int BG_A )

This function sets the alpha blending of both background and foreground cursor colors.

void gp2x_video_cursor_setup( unsigned char * src,
int size,
unsigned char FG,
int FG_R,
int FG_G,
int FG_B,
int FG_A,
unsigned char BG,
int BG_R,
int BG_G,
int BG_B,
int BG_A )

This function sets the shape, size, colour and alpha blending of the cursor.

void gp2x_video_cursor_show( int yes )

This function shows or hides the cursor.

void gp2x_video_logo_enable( int yes )

This function displays the minimal logo watermarked at bottom right of screen.

unsigned short gp2x_video_RGB_color15( int R,
int G,
int B,
int A )

This function returns the 16bits color for a given triad of R,G,B components.

unsigned short gp2x_video_RGB_color16( int R,
int G,
int B )

This function returns the 16bits color for a given triad of R,G,B components.

void gp2x_video_RGB_color8 ( int R,
int G,
int B,
int C )

This function sets the palettized color entry C to a given triad of R,G,B components.

void gp2x_video_RGB_flip( int layer )

This function flips video buffers.

void gp2x_video_RGB_setcolorkey( int R,
int G,
int B )

This function sets the colorkey transparent value for all RGB colorkeyed regions.

void gp2x_video_RGB_setpalette( void )

This function updates the whole 8 bits palette into screen.

void gp2x_video_RGB_setscaling( int W,
int H )

This function adjusts a given resolution to fit the whole display (320,240).

void gp2x_video_RGB_setwindows( int window0,
int window1,
int window2,
int window3,
int x,
int y )

This function enables, disables and sets screen up to four RGB windows.

void gp2x_video_setdithering( int mode )

This function sets the dithering values for all the video layers.

void gp2x_video_setgammacorrection( float gamma )

This function sets the Gamma correction value for the whole display.

void gp2x_video_setluminance( int contrast,
int brightness )

This function sets the contrast/brigness values for the YUV/OSD layers.

void gp2x_video_waithsync( void )

This function halts the program until an horizontal sync is done.

void gp2x_video_waitvsync( void )

This function halts the program until a vertical sync is done.

unsigned long gp2x_video_YUV_color( int R,
int G,
int B )

This function returns a YUY2 (Cr0/Y1/Cb0/Y0) 32bits color pixel from a given R,G,B triad.

void gp2x_video_YUV_flip( int region )

This function flips video buffers.

void gp2x_video_YUV_setparts( int part0,
int part1,
int part2,
int part3,
int x,
int y )

This function enables, disables and sets up screen to four YUV parts.

void gp2x_video_YUV_setscaling( int region,
int W,
int H )

This function adjusts a given resolution to fit the whole display (320,240).