styx
/
enlightenment
forked from enlightenment/enlightenment
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Use luma value to set a reasonable alpha value on the flame in order to blend 

without the black backing.


SVN revision: 12581
This commit is contained in:
rbdpngn 2004-12-25 03:34:17 +00:00 committed by rbdpngn
parent 079fc587ed
commit 75900c243e
1 changed files with 7 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/modules/flame/e_mod_main.c
View File

@ -339,7 +339,7 @@ _flame_face_anim_handle (Flame_Face *ff)
static void
_flame_palette_default_set (Flame_Face *ff)
{
int i, r, g, b;
int i, r, g, b, a;
for (i = 0 ; i < 300 ; i++)
{
@ -353,14 +353,9 @@ _flame_palette_default_set (Flame_Face *ff)
if (g > 255) g = 255;
if (b < 0) b = 0;
if (b > 255) b = 255;
if ((r*r + g*g + b*b) <= 100)
ff->palette[i] = ((r*r + g*g + b*b) |
(((unsigned char)r) << 16) |
(((unsigned char)g) << 8) |
((unsigned char)b));
else
ff->palette[i] = ((255 << 24) |
a = (int)((r * 0.299) + (g * 0.587) + (b * 0.114));
ff->palette[i] = ((((unsigned char)
a) << 24) |
(((unsigned char)r) << 16) |
(((unsigned char)g) << 8) |
((unsigned char)b));
@ -371,21 +366,15 @@ _flame_palette_default_set (Flame_Face *ff)
static void
_flame_palette_plasma_set (Flame_Face *ff)
{
int i, r, g, b;
int i, r, g, b, a;
for (i = 0 ; i < 80 ; i++)
{
r = 0;
g = 0;
b = (i*255) / 80;
if ((r*r + g*g + b*b) <= 100)
ff->palette[i] = ((r*r + g*g + b*b) |
(((unsigned char)r) << 16) |
(((unsigned char)g) << 8) |
((unsigned char)b));
else
ff->palette[i] = ((255 << 24) |
a = (int)((r * 0.299) + (g * 0.587) + (b * 0.114));
ff->palette[i] = ((((unsigned char)a) << 24) |
(((unsigned char)r) << 16) |
(((unsigned char)g) << 8) |
((unsigned char)b));