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Added 50% and 75% half-shift dither. (They are not active though.)

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This commit is contained in:
mpohoreski 2006-03-01 03:49:14 +00:00
parent 0002256dee
commit 5e12d6ba35
1 changed files with 31 additions and 41 deletions
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72
source/Video.cpp
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@ -54,19 +54,11 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
LR: Lo-Res HR: Hi-Res DHR: Double Hi-Res */
#define HALF_SHIFT_DITHER 0
// STANDARD WINDOWS COLORS
/*
#define BLACK 0x00
#define DARK_RED 0x01
#define DARK_GREEN 0x02
#define DARK_YELLOW 0x03
#define DARK_BLUE 0x04
#define DARK_MAGENTA 0x05
#define DARK_CYAN 0x06
#define LIGHT_GRAY 0x07
#define MONEY_GREEN 0x08
#define SKY_BLUE 0x09
*/
#define CREAM 0xF6
#define MEDIUM_GRAY 0xF7
#define DARK_GRAY 0xF8
@ -93,6 +85,7 @@ enum Color_Palette_Index_e
, MONEY_GREEN
, SKY_BLUE
// OUR CUSTOM COLORS
, DEEP_RED
, LIGHT_BLUE
, BROWN
@ -100,7 +93,7 @@ enum Color_Palette_Index_e
, PINK
, AQUA
// CUSTOM HGR COLORS (don't change order) - For tv emulation mode
// CUSTOM HGR COLORS (don't change order) - For tv emulation mode
, HGR_BLACK
, HGR_WHITE
, HGR_BLUE
@ -114,7 +107,10 @@ enum Color_Palette_Index_e
, HGR_PURPLE
, HGR_PINK
// USER CUSTOMIZABLE COLOR
, MONOCHROME_CUSTOM
// Pre-set "Monochromes"
, MONOCHROME_AMBER
, MONOCHROME_GREEN
, MONOCHROME_WHITE
@ -123,34 +119,6 @@ enum Color_Palette_Index_e
};
// OUR CUSTOM COLORS
/*
#define DEEP_RED 0x0A
#define LIGHT_BLUE 0x0B
#define BROWN 0x0C
#define ORANGE 0X0D
#define PINK 0x0E
#define AQUA 0x0F
// CUSTOM HGR COLORS (don't change values) - For tv emulation mode
#define HGR_BLACK 0x10
#define HGR_WHITE 0x11
#define HGR_BLUE 0x12
#define HGR_RED 0x13
#define HGR_GREEN 0x14
#define HGR_MAGENTA 0x15
#define HGR_GREY1 0x16
#define HGR_GREY2 0x17
#define HGR_YELLOW 0x18
#define HGR_AQUA 0x19
#define HGR_PURPLE 0x1A
#define HGR_PINK 0x1B
// USER CUSTOMIZABLE COLOR
#define MONOCHROME 0x20
*/
#define SRCOFFS_40COL 0
#define SRCOFFS_80COL (SRCOFFS_40COL + 256)
#define SRCOFFS_LORES (SRCOFFS_80COL + 128)
@ -625,7 +593,9 @@ void DrawHiResSourceHalfShiftDim ()
if (aPixels[iPixel])
{
if (aPixels[iPixel-1] || aPixels[iPixel+1])
{
color = CM_White;
}
else
color = ((odd ^ (iPixel&1)) << 1) | hibit;
}
@ -709,6 +679,25 @@ void DrawHiResSourceHalfShiftDim ()
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj+1,y+1, HGR_BLACK );
break;
case CM_White :
#if HALF_SHIFT_DIM
// 50% dither -- would look OK, except Gumball, on the "Gumball" font has splotches
// SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj+1,y , HGR_WHITE );
// SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj+1,y+1, HGR_WHITE );
// if (! hibit)
// {
// SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj ,y , HGR_WHITE );
// SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj ,y+1, HGR_WHITE );
// }
// 75% dither -- looks kind of nice actually. Passes the Gumball cutscene quality test!
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj+1,y , HGR_WHITE );
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj+1,y+1, HGR_WHITE );
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj ,y , LIGHT_GRAY );
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj ,y+1, LIGHT_GRAY );
#else
// Don't dither / half-shift white, since DROL cutscene looks bad :(
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj ,y , HGR_WHITE );
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj+1,y , HGR_WHITE );
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj ,y+1, HGR_WHITE ); // LIGHT_GRAY <- for that half scan-line look
@ -722,6 +711,7 @@ void DrawHiResSourceHalfShiftDim ()
SETSOURCEPIXEL(SRCOFFS_HIRES+coloffs+x+adj ,y+1, HGR_WHITE ); // LIGHT_GRAY HGR_GREY1
}
}
#endif
break;
default:
break;