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New (hopefully better) method for selecting the colors in smooth and colorize. Tell me if you think it's good.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@742 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Adrien Destugues 2009-04-07 17:54:52 +00:00
parent d1de5fa366
commit 19ac89a38f
2 changed files with 10 additions and 3 deletions
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2
helpfile.h
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@ -883,7 +883,7 @@ static const T_Help_table helptable_grad_rect[] =
HELP_TEXT ("starting color, drag to a point where you")
HELP_TEXT ("want the ending color, and release the")
HELP_TEXT ("button. You can press SHIFT to enforce your")
HELP_TEXT ("line to be vertical, horizontal, or
HELP_TEXT ("line to be vertical, horizontal, or")
HELP_TEXT ("diagonal.")
};
static const T_Help_table helptable_grad_menu[] =

11
windows.c
View File

@ -2200,6 +2200,7 @@ byte Best_color(byte r,byte g,byte b)
int delta_r,delta_g,delta_b;
int dist;
int best_dist=0x7FFFFFFF;
int rmean;
byte best_color=0;
for (col=0; col<256; col++)
@ -2210,7 +2211,10 @@ byte Best_color(byte r,byte g,byte b)
delta_g=(int)Main_palette[col].G-g;
delta_b=(int)Main_palette[col].B-b;
if (!(dist=(delta_r*delta_r*30)+(delta_g*delta_g*59)+(delta_b*delta_b*11)))
rmean = ( Main_palette[col].R + r ) / 2;
if (!(dist= ( ( (512+rmean) *delta_r*delta_r) >>8) + 4*delta_g*delta_g + (((767-rmean)*delta_b*delta_b)>>8)))
//if (!(dist=(delta_r*delta_r*30)+(delta_g*delta_g*59)+(delta_b*delta_b*11)))
return col;
if (dist<best_dist)
@ -2230,6 +2234,7 @@ byte Best_color_nonexcluded(byte red,byte green,byte blue)
int delta_r,delta_g,delta_b;
int dist;
int best_dist=0x7FFFFFFF;
int rmean;
byte best_color=0;
for (col=0; col<256; col++)
@ -2237,8 +2242,10 @@ byte Best_color_nonexcluded(byte red,byte green,byte blue)
delta_r=(int)Main_palette[col].R-red;
delta_g=(int)Main_palette[col].G-green;
delta_b=(int)Main_palette[col].B-blue;
rmean = ( Main_palette[col].R + red ) / 2;
if (!(dist=(delta_r*delta_r*30)+(delta_g*delta_g*59)+(delta_b*delta_b*11)))
if (!(dist= ( ( (512+rmean) *delta_r*delta_r) >>8) + 4*delta_g*delta_g + (((767-rmean)*delta_b*delta_b)>>8)))
//if (!(dist=(delta_r*delta_r*30)+(delta_g*delta_g*59)+(delta_b*delta_b*11)))
return col;
if (dist<best_dist)