mirrors/neutrino
1
0
Fork 0
mirror of https://github.com/tuxbox-neutrino/neutrino.git synced 2025-08-31 17:31:20 +02:00
Code Issues Packages Projects Releases Wiki Activity

neutrino: avoid float for color calculations

Browse Source
This commit is contained in:
Stefan Seyfried
2011-12-25 23:21:07 +01:00
committed by Jacek Jendrzej
parent 5763addd80
commit d9b1cca88a
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/gui/color.cpp
View File

@@ -43,9 +43,9 @@
int convertSetupColor2RGB(const unsigned char r, const unsigned char g, const unsigned char b)
{
unsigned char red = (unsigned char)( float(2.55)*float(r) );
unsigned char green = (unsigned char)( float(2.55)*float(g) );
unsigned char blue = (unsigned char)( float(2.55)*float(b) );
unsigned char red = (int)r * 255 / 100;
unsigned char green = (int)g * 255 / 100;
unsigned char blue = (int)b * 255 / 100;
return (red << 16) | (green << 8) | blue;
}
@@ -54,8 +54,8 @@ int convertSetupAlpha2Alpha(unsigned char alpha)
{
if(alpha == 0) return 0xFF;
else if(alpha >= 100) return 0;
unsigned char a = (unsigned char)(100 - alpha);
int ret = int( float(2.55)*float(a) );
int a = 100 - alpha;
int ret = a * 0xFF / 100;
return ret;
}
@@ -65,7 +65,7 @@ void recalcColor(unsigned char &orginal, int fade)
{
return;
}
int color = int( float( float(orginal) * float( float(fade) / 100.0)) );
int color = orginal * fade / 100;
if(color>255)
color=255;
if(color<0)