2d/scalec.c File Reference

#include <stdlib.h>
#include "gr.h"
#include "grdef.h"
#include "rle.h"


Defines
#define	FIND_SCALED_NUM(x, x0, x1, y0, y1) (fixmuldiv((x)-(x0),(y1)-(y0),(x1)-(x0))+(y0))
Functions
void	scale_up_bitmap (grs_bitmap source_bmp, grs_bitmap dest_bmp, int x0, int y0, int x1, int y1, fix u0, fix v0, fix u1, fix v1)
void	scale_up_bitmap_rle (grs_bitmap source_bmp, grs_bitmap dest_bmp, int x0, int y0, int x1, int y1, fix u0, fix v0, fix u1, fix v1)
void	rls_stretch_scanline_setup (int XDelta, int YDelta)
void	rls_stretch_scanline (void)
void	decode_row (grs_bitmap *bmp, int y)
void	scale_bitmap_c (grs_bitmap source_bmp, grs_bitmap dest_bmp, int x0, int y0, int x1, int y1, fix u0, fix v0, fix u1, fix v1)
void	scale_row_asm_transparent (ubyte sbits, ubyte dbits, int width, fix u, fix du)
void	scale_bitmap_c_rle (grs_bitmap source_bmp, grs_bitmap dest_bmp, int x0, int y0, int x1, int y1, fix u0, fix v0, fix u1, fix v1)
void	scale_bitmap (grs_bitmap bp, grs_point vertbuf)
Variables
int	scale_error_term
int	scale_initial_pixel_count
int	scale_adj_up
int	scale_adj_down
int	scale_final_pixel_count
int	scale_ydelta_minus_1
int	scale_whole_step
ubyte *	scale_source_ptr
ubyte *	scale_dest_ptr
ubyte	scale_rle_data [640]

Define Documentation

#define FIND_SCALED_NUM ( x,
x0,
x1,
y0,
y1 ) (fixmuldiv((x)-(x0),(y1)-(y0),(x1)-(x0))+(y0))

Function Documentation

void decode_row ( grs_bitmap * bmp,

int y

)

void rls_stretch_scanline ( void )

void rls_stretch_scanline_setup ( int XDelta,

int YDelta

)

void scale_bitmap ( grs_bitmap * bp,

grs_point * vertbuf

)

void scale_bitmap_c ( grs_bitmap * source_bmp,

grs_bitmap * dest_bmp,

int x0,

int y0,

int x1,

int y1,

fix u0,

fix v0,

fix u1,

fix v1

)

void scale_bitmap_c_rle ( grs_bitmap * source_bmp,

grs_bitmap * dest_bmp,

int x0,

int y0,

int x1,

int y1,

fix u0,

fix v0,

fix u1,

fix v1

)

void scale_row_asm_transparent ( ubyte * sbits,

ubyte * dbits,

int width,

fix u,

fix du

)

void scale_up_bitmap ( grs_bitmap * source_bmp,

grs_bitmap * dest_bmp,

int x0,

int y0,

int x1,

int y1,

fix u0,

fix v0,

fix u1,

fix v1

)

void scale_up_bitmap_rle ( grs_bitmap * source_bmp,

grs_bitmap * dest_bmp,

int x0,

int y0,

int x1,

int y1,

fix u0,

fix v0,

fix u1,

fix v1

)