ROOT_528-00b_version: graf2d/asimage/src/libAfterImage/blender.c File Reference

#define BLEND_SCANLINES_HEADER

Value:

register int i = -1, max_i = bottom->width ; \
        register CARD32 *ta = top->alpha, *tr = top->red, *tg = top->green, *tb = top->blue; \
        register CARD32 *ba = bottom->alpha, *br = bottom->red, *bg = bottom->green, *bb = bottom->blue; \
        if( offset < 0 ){ \
                offset = -offset ; \
                ta += offset ;  tr += offset ;  tg += offset ;  tb += offset ; \
                if( (int)top->width-offset < max_i )    max_i = (int)(top->width)-offset ; \
        }else{ \
                if( offset > 0 ){ \
                        ba += offset ;  br += offset ;  bg += offset ;  bb += offset ; \
                        max_i -= offset ; }     \
                if( (int)(top->width) < max_i ) max_i = top->width ; \
        }

Definition at line 364 of file blender.c.

Referenced by add_scanlines(), allanon_scanlines(), alphablend_scanlines(), colorize_scanlines(), darken_scanlines(), diff_scanlines(), dissipate_scanlines(), hue_scanlines(), lighten_scanlines(), overlay_scanlines(), saturate_scanlines(), screen_scanlines(), sub_scanlines(), tint_scanlines(), and value_scanlines().

#define DO_OVERLAY_VALUE	(	b,
		t		)

Value:

tmp_screen = 0x0000FFFF - (((0x0000FFFF - (int)b[i]) * (0x0000FFFF - (int)t[i])) >> 16); \
                                tmp_mult   = (b[i] * t[i]) >> 16; \
                                res = (b[i] * tmp_screen + (0x0000FFFF - (int)b[i]) * tmp_mult) >> 16; \
                                b[i] = res < 0 ? 0 : res

Referenced by overlay_scanlines().

#define DO_SCREEN_VALUE	(	b,
		t		)

Value:

res1 = 0x0000FFFF - (int)b[i] ; res2 = 0x0000FFFF - (int)t[i] ;\
                        res1 = 0x0000FFFF - ((res1*res2)>>16); b[i] = res1 < 0 ? 0 : res1

Referenced by screen_scanlines().

#define HUE16_BLUE (HUE16_RANGE*HUE_BLUE_TO_MAGENTA)

Definition at line 109 of file blender.c.

#define HUE16_CYAN (HUE16_RANGE*HUE_CYAN_TO_BLUE)

Definition at line 108 of file blender.c.

#define HUE16_GREEN (HUE16_RANGE*HUE_GREEN_TO_CYAN)

Definition at line 107 of file blender.c.

#define HUE16_MAGENTA (HUE16_RANGE*HUE_MAGENTA_TO_RED)

Definition at line 110 of file blender.c.

#define HUE16_RED (HUE16_RANGE*HUE_RED_TO_YELLOW)

Definition at line 105 of file blender.c.

#define HUE16_YELLOW (HUE16_RANGE*HUE_YELLOW_TO_GREEN)

Definition at line 106 of file blender.c.

#define HUE_BLUE_TO_MAGENTA 4

Definition at line 102 of file blender.c.

#define HUE_CYAN_TO_BLUE 3

Definition at line 101 of file blender.c.

#define HUE_GREEN_TO_CYAN 2

Definition at line 100 of file blender.c.

#define HUE_MAGENTA_TO_RED 5

Definition at line 103 of file blender.c.

#define HUE_RED_TO_YELLOW 0

Definition at line 98 of file blender.c.

#define HUE_YELLOW_TO_GREEN 1

Definition at line 99 of file blender.c.

#define INTERPRET_HUE16	(	hue,
		delta,
		max_val,
		red,
		green,
		blue	)

Value:

do{     int range = (hue)/HUE16_RANGE ;                                  \
                int min_val = (max_val) - (delta);                                \
                int mid_val = ((hue) - HUE16_RANGE*range)*(delta) / HUE16_RANGE ;  \
                switch( range ) {                                              \
                        case HUE_RED_TO_YELLOW :    /* red was max, then green  */ \
                                (red)   = (max_val); (green)=mid_val+(min_val); (blue) = (min_val); break; \
                        case HUE_YELLOW_TO_GREEN :  /* green was max, then red */                      \
                                (green) = (max_val); (red) =(max_val)-mid_val;  (blue) = (min_val); break; \
                        case HUE_GREEN_TO_CYAN :    /* green was max, then blue*/                      \
                                (green) = (max_val); (blue)= mid_val+(min_val); (red)  = (min_val); break; \
                        case HUE_CYAN_TO_BLUE :     /* blue was max, then green  */                    \
                                (blue)  = (max_val); (green)=(max_val)-mid_val; (red)  = (min_val); break; \
                        case HUE_BLUE_TO_MAGENTA :  /* blue was max, then red   */                     \
                                (blue)  = (max_val); (red)  = mid_val+(min_val);(green)= (min_val); break; \
                        case HUE_MAGENTA_TO_RED :   /* red was max, then blue */                       \
                                (red)   = (max_val); (blue) = (max_val)-mid_val;(green)= (min_val); break; \
                }                                                                                  \
        }while(0)

Definition at line 131 of file blender.c.

Referenced by hls2rgb(), and hsv2rgb().

#define MAKE_HUE16	(	hue,
		red,
		green,
		blue,
		min_val,
		max_val,
		delta	)

Value:

do{     if( (red) == (max_val) ){ /* 300 to 60 degrees segment */ \
                        if( (blue) <= (green) ){  /* 0-60 degrees segment*/    \
                                (hue) = HUE16_RED    + (((green) - (blue)) * (HUE16_RANGE)) / (delta) ;\
                                if( (hue) == 0 ) (hue) = MIN_HUE16 ; \
                        }else {                /* 300-0 degrees segment*/ \
                                (hue) = HUE16_MAGENTA+ (((red)   - (blue)) * (HUE16_RANGE)) / (delta) ; \
                                if( (hue) == 0 ) (hue) = MAX_HUE16 ;                                 \
                        }                                                                   \
                }else if( (green) == (max_val) ){ /* 60 to 180 degrees segment */           \
                        if( (blue) >= (red) )    /* 120-180 degrees segment*/                   \
                                (hue) = HUE16_GREEN  + (((blue)-(red) ) * (HUE16_RANGE)) / (delta) ;    \
                        else                 /* 60-120 degrees segment */                   \
                                (hue) = HUE16_YELLOW + (((green)-(red)) * (HUE16_RANGE)) / (delta) ;    \
                }else if( (red) >= (green) )     /* 240 to 300 degrees segment */           \
                        (hue)     = HUE16_BLUE   + (((red) -(green))* (HUE16_RANGE)) / (delta) ;    \
                else                        /* 180 to 240 degrees segment */            \
                        (hue)     = HUE16_CYAN   + (((blue)-(green))* (HUE16_RANGE)) / (delta) ;    \
        }while(0)

Definition at line 112 of file blender.c.

Referenced by rgb2hls(), rgb2hsv(), and rgb2hue().

#define MAX_MY_RND32 0x00ffffffff

#define MY_RND32 ( ) (rnd32_seed = (1664525L*rnd32_seed)+1013904223L)

Referenced by dissipate_scanlines(), and main().

void add_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 466 of file blender.c.

References BLEND_SCANLINES_HEADER, and i.

void allanon_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 435 of file blender.c.

References BLEND_SCANLINES_HEADER, and i.

Referenced by fill_with_pixmapped_background().

void alphablend_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 382 of file blender.c.

References a, BLEND_SCANLINES_HEADER, and i.

Referenced by TASImage::Bevel(), TASImage::Gradient(), and init_image_layers().

merge_scanlines_func blend_scanlines_name2func ( const char * name )

Definition at line 332 of file blender.c.

References merge_scanlines_func_desc::func, i, mystrncasecmp, NULL, and std_merge_scanlines_func_list.

Referenced by TASImage::CreateThumbnail(), handle_asxml_tag_composite(), and TASImage::Merge().

void colorize_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 666 of file blender.c.

References b, BLEND_SCANLINES_HEADER, fprintf(), g, h, hls2rgb(), i, l, rgb2hls(), rgb2luminance(), and s.

void darken_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 530 of file blender.c.

References BLEND_SCANLINES_HEADER, and i.

CARD32 degrees2hue16 ( int degrees )

Definition at line 160 of file blender.c.

References HUE16_RANGE, and MIN_HUE16.

Referenced by adjust_asimage_hsv().

void diff_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 509 of file blender.c.

References BLEND_SCANLINES_HEADER, i, and int.

void dissipate_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 695 of file blender.c.

References a, BLEND_SCANLINES_HEADER, i, MY_RND32, and rnd32_seed.

void hls2rgb	(	CARD32	hue,
		CARD32	luminance,
		CARD32	saturation,
		CARD32 *	red,
		CARD32 *	green,
		CARD32 *	blue
	)

Definition at line 284 of file blender.c.

References INTERPRET_HUE16.

Referenced by colorize_scanlines().

void hsv2rgb	(	CARD32	hue,
		CARD32	saturation,
		CARD32	value,
		CARD32 *	red,
		CARD32 *	green,
		CARD32 *	blue
	)

Definition at line 226 of file blender.c.

References INTERPRET_HUE16.

Referenced by adjust_asimage_hsv(), hue_scanlines(), saturate_scanlines(), and value_scanlines().

int hue162degrees ( CARD32 hue )

Definition at line 172 of file blender.c.

References HUE16_RANGE, and MAX_HUE16.

Referenced by handle_asxml_tag_color(), and handle_asxml_tag_hsv().

void hue_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 611 of file blender.c.

References BLEND_SCANLINES_HEADER, hsv2rgb(), i, rgb2hue(), rgb2saturation(), rgb2value(), and value.

void lighten_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 548 of file blender.c.

References BLEND_SCANLINES_HEADER, and i.

void list_scanline_merging	(	FILE *	stream,
		const char *	format
	)

Definition at line 353 of file blender.c.

References fprintf(), i, name, NULL, and std_merge_scanlines_func_list.

int normalize_degrees_val ( int degrees )

Definition at line 152 of file blender.c.

Referenced by adjust_asimage_hsv().

void overlay_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 589 of file blender.c.

References BLEND_SCANLINES_HEADER, DO_OVERLAY_VALUE, and i.

CARD32 rgb2hls	(	CARD32	red,
		CARD32	green,
		CARD32	blue,
		CARD32 *	luminance,
		CARD32 *	saturation
	)

Definition at line 255 of file blender.c.

References MAKE_HUE16, MAX, and MIN.

Referenced by colorize_scanlines().

CARD32 rgb2hsv	(	CARD32	red,
		CARD32	green,
		CARD32	blue,
		CARD32 *	saturation,
		CARD32 *	value
	)

Definition at line 202 of file blender.c.

References MAKE_HUE16, MAX, and MIN.

Referenced by handle_asxml_tag_color(), saturate_scanlines(), and value_scanlines().

CARD32 rgb2hue	(	CARD32	red,
		CARD32	green,
		CARD32	blue
	)

Definition at line 181 of file blender.c.

References MAKE_HUE16, MAX, and MIN.

Referenced by adjust_asimage_hsv(), handle_asxml_tag_hsv(), and hue_scanlines().

CARD32 rgb2luminance	(	CARD32	red,
		CARD32	green,
		CARD32	blue
	)

Definition at line 239 of file blender.c.

References MAX, and MIN.

Referenced by colorize_scanlines().

CARD32 rgb2saturation	(	CARD32	red,
		CARD32	green,
		CARD32	blue
	)

Definition at line 55 of file blender.c.

References MAX, and MIN.

Referenced by adjust_asimage_hsv(), hue_scanlines(), and saturate_scanlines().

CARD32 rgb2value	(	CARD32	red,
		CARD32	green,
		CARD32	blue
	)

Definition at line 47 of file blender.c.

References MAX.

Referenced by adjust_asimage_hsv(), hue_scanlines(), and value_scanlines().

void saturate_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 631 of file blender.c.

References BLEND_SCANLINES_HEADER, hsv2rgb(), i, rgb2hsv(), rgb2saturation(), and value.

void screen_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 566 of file blender.c.

References BLEND_SCANLINES_HEADER, DO_SCREEN_VALUE, and i.

void sub_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 490 of file blender.c.

References BLEND_SCANLINES_HEADER, i, and int.

void tint_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 451 of file blender.c.

References BLEND_SCANLINES_HEADER, and i.

void value_scanlines	(	ASScanline *	bottom,
		ASScanline *	top,
		int	offset
	)

Definition at line 648 of file blender.c.

References BLEND_SCANLINES_HEADER, hsv2rgb(), i, rgb2hsv(), rgb2value(), and value.

merge_scanlines_func_desc std_merge_scanlines_func_list[]

Initial value:

{
  { "add", 3, add_scanlines, "color addition with saturation" },
  { "alphablend", 10, alphablend_scanlines, "alpha-blending" },
  { "allanon", 7, allanon_scanlines, "color values averaging" },
  { "colorize", 8, colorize_scanlines, "hue and saturate bottom image same as top image" },
  { "darken", 6, darken_scanlines, "use lowest color value from both images" },
  { "diff", 4, diff_scanlines, "use absolute value of the color difference between two images" },
  { "dissipate", 9, dissipate_scanlines, "randomly alpha-blend images"},
  { "hue", 3, hue_scanlines, "hue bottom image same as top image"  },
  { "lighten", 7, lighten_scanlines, "use highest color value from both images" },
  { "overlay", 7, overlay_scanlines, "some wierd image overlaying(see GIMP)" },
  { "saturate", 8, saturate_scanlines, "saturate bottom image same as top image"},
  { "screen", 6, screen_scanlines, "another wierd image overlaying(see GIMP)" },
  { "sub", 3, sub_scanlines, "color substraction with saturation" },
  { "tint", 4, tint_scanlines, "tinting image with image" },
  { "value", 5, value_scanlines, "value bottom image same as top image" },
  { NULL, 0, NULL }
}

Definition at line 311 of file blender.c.

Referenced by blend_scanlines_name2func(), and list_scanline_merging().

blender.c File Reference

Classes

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation


Classes
struct	merge_scanlines_func_desc
Defines
#define	HUE_RED_TO_YELLOW 0
#define	HUE_YELLOW_TO_GREEN 1
#define	HUE_GREEN_TO_CYAN 2
#define	HUE_CYAN_TO_BLUE 3
#define	HUE_BLUE_TO_MAGENTA 4
#define	HUE_MAGENTA_TO_RED 5
#define	HUE16_RED (HUE16_RANGE*HUE_RED_TO_YELLOW)
#define	HUE16_YELLOW (HUE16_RANGE*HUE_YELLOW_TO_GREEN)
#define	HUE16_GREEN (HUE16_RANGE*HUE_GREEN_TO_CYAN)
#define	HUE16_CYAN (HUE16_RANGE*HUE_CYAN_TO_BLUE)
#define	HUE16_BLUE (HUE16_RANGE*HUE_BLUE_TO_MAGENTA)
#define	HUE16_MAGENTA (HUE16_RANGE*HUE_MAGENTA_TO_RED)
#define	MAKE_HUE16(hue, red, green, blue, min_val, max_val, delta)
#define	INTERPRET_HUE16(hue, delta, max_val, red, green, blue)
#define	BLEND_SCANLINES_HEADER
#define	DO_SCREEN_VALUE(b, t)
#define	DO_OVERLAY_VALUE(b, t)
#define	MAX_MY_RND32 0x00ffffffff
#define	MY_RND32() (rnd32_seed = (1664525L*rnd32_seed)+1013904223L)
Functions
CARD32	rgb2value (CARD32 red, CARD32 green, CARD32 blue)
CARD32	rgb2saturation (CARD32 red, CARD32 green, CARD32 blue)
int	normalize_degrees_val (int degrees)
CARD32	degrees2hue16 (int degrees)
int	hue162degrees (CARD32 hue)
CARD32	rgb2hue (CARD32 red, CARD32 green, CARD32 blue)
CARD32	rgb2hsv (CARD32 red, CARD32 green, CARD32 blue, CARD32 saturation, CARD32 value)
void	hsv2rgb (CARD32 hue, CARD32 saturation, CARD32 value, CARD32 red, CARD32 green, CARD32 *blue)
CARD32	rgb2luminance (CARD32 red, CARD32 green, CARD32 blue)
CARD32	rgb2hls (CARD32 red, CARD32 green, CARD32 blue, CARD32 luminance, CARD32 saturation)
void	hls2rgb (CARD32 hue, CARD32 luminance, CARD32 saturation, CARD32 red, CARD32 green, CARD32 *blue)
merge_scanlines_func	blend_scanlines_name2func (const char *name)
void	list_scanline_merging (FILE stream, const char format)
void	alphablend_scanlines (ASScanline bottom, ASScanline top, int offset)
void	allanon_scanlines (ASScanline bottom, ASScanline top, int offset)
void	tint_scanlines (ASScanline bottom, ASScanline top, int offset)
void	add_scanlines (ASScanline bottom, ASScanline top, int offset)
void	sub_scanlines (ASScanline bottom, ASScanline top, int offset)
void	diff_scanlines (ASScanline bottom, ASScanline top, int offset)
void	darken_scanlines (ASScanline bottom, ASScanline top, int offset)
void	lighten_scanlines (ASScanline bottom, ASScanline top, int offset)
void	screen_scanlines (ASScanline bottom, ASScanline top, int offset)
void	overlay_scanlines (ASScanline bottom, ASScanline top, int offset)
void	hue_scanlines (ASScanline bottom, ASScanline top, int offset)
void	saturate_scanlines (ASScanline bottom, ASScanline top, int offset)
void	value_scanlines (ASScanline bottom, ASScanline top, int offset)
void	colorize_scanlines (ASScanline bottom, ASScanline top, int offset)
void	dissipate_scanlines (ASScanline bottom, ASScanline top, int offset)
Variables
merge_scanlines_func_desc	std_merge_scanlines_func_list []