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refactor: float->double filters; remove obsolete tv code

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This commit is contained in:
Christopher Mosher 2019-01-28 21:10:18 -05:00
parent 2f10890b34
commit 0183c5304f
5 changed files with 10 additions and 110 deletions
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100
src/analogtv.cpp
View File

@ -275,21 +275,11 @@ void AnalogTV::drawMonitorColor()
delete [] rgb;
}
void AnalogTV::drawMonitorWhite()
{
drawMonitorMonochrome(colors.c()[A2ColorsObserved::WHITE]);
}
void AnalogTV::drawMonitorGreen()
{
drawMonitorMonochrome(colors.c()[A2ColorsObserved::HIRES_GREEN]);
}
void AnalogTV::drawMonitorOrange()
{
drawMonitorMonochrome(colors.c()[A2ColorsObserved::HIRES_ORANGE]);
}
void AnalogTV::drawMonitorMonochrome(const unsigned int color)
{
int ip = 0;
@ -315,15 +305,8 @@ void AnalogTV::drawTVOld()
for (int row = 0; row < 192; ++row)
{
IQ iq_factor;
if (this->type == TV_OLD_COLOR)
{
const CB cb = get_cb(row);
iq_factor = get_iq_factor(cb);
}
else
{
iq_factor = BLACK_AND_WHITE;
}
ntsc_to_yiq(row*AppleNTSC::H+350,AppleNTSC::H-350,iq_factor,yiq);
for (int col = 350; col < AppleNTSC::H-2; ++col)
{
@ -338,31 +321,6 @@ void AnalogTV::drawTVOld()
delete [] yiq;
}
void AnalogTV::drawTVNew()
{
unsigned int *rgb = new unsigned int[AppleNTSC::H];
int ip = 0;
for (int row = 0; row < 192; ++row)
{
const CB cb = get_cb(row);
const bool removeColor = false; //(this->type == TV_NEW_BW || !cb.isColor());
ntsc_to_rgb_newtv(row*AppleNTSC::H+350,AppleNTSC::H-350,rgb);
for (int col = 350; col < AppleNTSC::H-2; ++col)
{
int rgbv = rgb[col-350];
if (removeColor)
{
rgbv = color2bw(rgbv);
}
this->image.setElem(ip,rgbv);
if (bleed_down)
this->image.setElem(ip+D_IP,rgbv);
++ip;
}
ip += D_IP;
}
delete [] rgb;
}
void AnalogTV::drawBlank()
{
@ -418,64 +376,6 @@ void AnalogTV::ntsc_to_rgb_monitor(const int isignal, const int siglen, unsigned
}
}
void AnalogTV::ntsc_to_rgb_newtv(const int isignal, const int siglen, unsigned int rgb[])
{
int sp, s0, s1, se;
sp = s0 = s1 = isignal;
se = isignal+siglen;
unsigned int c = 0;
while (s1 < se)
{
// no signal; black...
sp = s0;
while (this->signal[s0] < 50 && s0<se) { rgb[s0-isignal] = 0; ++s0; }
// unless it's too short, then color it (but not white)
if (c != 0xFFFFFF)
{
if (s0-sp < 4)
{
for (int i = sp; i < s0; ++i)
rgb[i-isignal] = c;
}
else
{
rgb[sp-isignal] = c;
}
}
// signal (white, grey, or color)
s1 = s0;
while (this->signal[s1] > 50 && s1<se) { ++s1; }
const int slen = s1-s0;
if (slen >= 4)
{
c = 0xFFFFFF;
}
else if (slen == 1)
{
if (this->signal[s0-2] > 50 && this->signal[s0+2] > 50)
c = 0x808080;
else
c = loresdarkcolor[s0 % 4];
}
else if (slen == 2)
{
c = hirescolor[s0 % 4];
}
else if (slen == 3)
{
c = loreslightcolor[s0 % 4];
}
else
{
++s1;
}
for (int i = s0; i < s1; ++i)
rgb[i-isignal] = c;
s0 = s1;
}
}

2
src/filterchroma.cpp
View File

@ -32,7 +32,7 @@ FilterChroma::FilterChroma() {
FilterChroma::~FilterChroma() {
}
float FilterChroma::next(const float v) {
double FilterChroma::next(const double v) {
xv[0] = xv[1]; xv[1] = xv[2]; xv[2] = xv[3];
xv[3] = v / GAIN;
yv[0] = yv[1]; yv[1] = yv[2]; yv[2] = yv[3];

6
src/filterchroma.h
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@ -20,13 +20,13 @@
class FilterChroma {
private:
float xv[4];
float yv[4];
double xv[4];
double yv[4];
public:
FilterChroma();
~FilterChroma();
float next(const float v);
double next(const double v);
};
#endif

2
src/filterluma.cpp
View File

@ -33,7 +33,7 @@ FilterLuma::FilterLuma() {
FilterLuma::~FilterLuma() {
}
float FilterLuma::next(const float v) {
double FilterLuma::next(const double v) {
xv[0] = xv[1]; xv[1] = xv[2]; xv[2] = xv[3]; xv[3] = xv[4]; xv[4] = xv[5];
xv[5] = v / GAIN;
yv[0] = yv[1]; yv[1] = yv[2]; yv[2] = yv[3];

6
src/filterluma.h
View File

@ -20,13 +20,13 @@
class FilterLuma {
private:
float xv[6];
float yv[4];
double xv[6];
double yv[4];
public:
FilterLuma();
~FilterLuma();
float next(const float v);
double next(const double v);
};
#endif