// Reference: http://en.wikipedia.org/wiki/HSL_and_HSV
Rgb::Rgb(const Hsv& hsv)
{
double chroma = hsv.value() * hsv.saturation();
double hue_prime = hsv.hue() / 60.0;
double x = chroma * (1.0 - fabs(fmod(hue_prime, 2.0) - 1.0));
double r, g, b;
r = g = b = 0.0;
switch (int(hue_prime)) {
case 6:
case 0:
r = chroma;
g = x;
break;
case 1:
r = x;
g = chroma;
break;
case 2:
g = chroma;
b = x;
break;
case 3:
g = x;
b = chroma;
break;
case 4:
b = chroma;
r = x;
break;
case 5:
b = x;
r = chroma;
break;
}
double m = hsv.value() - chroma;
r += m;
g += m;
b += m;
m_red = int(r*255.0+0.5);
m_green = int(g*255.0+0.5);
m_blue = int(b*255.0+0.5);
}
void Mood::run() {
uint8_t running = 1;
uint16_t buttons;
Hsv hsv = Hsv(0,255,127);
while (running > 0) {
matrix.rectangle(0,0,11,11,DRAW_FILLED);
matrix.flush();
_delay_ms(127);
hsv.addHue(1);
matrix.setColor(Rgb(hsv));
psx.poll();
buttons = psx.buttons();
if (buttons & PSB_TRIANGLE) {
running = false;
}
}
}
void Life::flush() {
hsv.addHue(1);
Rgb rgb = Rgb(hsv);
for (uint8_t x = 0; x < MATRIX_WIDTH; x++) {
for (uint8_t y = 0; y < MATRIX_HEIGHT; y++) {
if (state[x][y] > 0) {
matrix.setColor(rgb);
} else {
matrix.setColor(0,0,0);
}
matrix.setPixel(x, y);
}
}
matrix.flush();
}
int main() {
twi_init();
srandom(0);
//timer_init();
DDRB = 0xff;
PORTB = 0x00;
uint16_t buttons;
uint16_t changed;
uint8_t selected = 0;
matrix.setFont(font_3x5, codepage_ascii_caps, 3, 5);
while (1) {
psx.poll();
buttons = psx.buttons();
changed = psx.changed();
if (buttons & PSB_SELECT && changed & PSB_SELECT) {
selected++;
selected %= 6;
}
else if (buttons & PSB_SQUARE && changed & PSB_SQUARE) {
hsv.addHue(-30);
}
else if (buttons & PSB_CIRCLE && changed & PSB_CIRCLE) {
hsv.addHue(30);
}
else if (buttons & PSB_PAD_DOWN && changed & PSB_PAD_DOWN) {
uint8_t v = hsv.getValue();
switch (v) {
case 0xff: hsv.setValue(0x7f); break;
case 0x7f: hsv.setValue(0x3f); break;
case 0x3f: hsv.setValue(0x1f); break;
case 0x1f: hsv.setValue(0x0f); break;
case 0x0f: hsv.setValue(0x07); break;
case 0x07: hsv.setValue(0x03); break;
case 0x03: hsv.setValue(0x01); break;
default: hsv.setValue(0x00);
}
}
else if (buttons & PSB_PAD_UP && changed & PSB_PAD_UP) {
uint8_t v = hsv.getValue();
switch (v) {
case 0x00: hsv.setValue(0x01); break;
case 0x01: hsv.setValue(0x03); break;
case 0x03: hsv.setValue(0x07); break;
case 0x07: hsv.setValue(0x0f); break;
case 0x0f: hsv.setValue(0x1f); break;
case 0x1f: hsv.setValue(0x3f); break;
case 0x3f: hsv.setValue(0x7f); break;
default: hsv.setValue(0xff);
}
}
else if (buttons & PSB_PAD_LEFT && changed & PSB_PAD_LEFT) {
uint8_t s = hsv.getSaturation();
switch (s) {
case 0xff: hsv.setSaturation(0xfe); break;
case 0xfe: hsv.setSaturation(0xfc); break;
case 0xfc: hsv.setSaturation(0xf8); break;
case 0xf8: hsv.setSaturation(0xf0); break;
case 0xf0: hsv.setSaturation(0xe0); break;
case 0xe0: hsv.setSaturation(0xc0); break;
case 0xc0: hsv.setSaturation(0x80); break;
default: hsv.setSaturation(0x00);
}
}
else if (buttons & PSB_PAD_RIGHT && changed & PSB_PAD_RIGHT) {
uint8_t s = hsv.getSaturation();
switch (s) {
case 0x00: hsv.setSaturation(0x80); break;
case 0x80: hsv.setSaturation(0xc0); break;
case 0xc0: hsv.setSaturation(0xe0); break;
case 0xe0: hsv.setSaturation(0xf0); break;
case 0xf0: hsv.setSaturation(0xf8); break;
case 0xf8: hsv.setSaturation(0xfc); break;
case 0xfc: hsv.setSaturation(0xfe); break;
default: hsv.setSaturation(0xff);
}
}
else if (buttons & PSB_START && changed & PSB_START) {
switch (selected) {
case 0: { Clock clk; clk.run(); break; }
case 1: { AltClock alt; alt.run(); break; }
case 2: { Life life; life.run(); break; }
case 3: { Mood mood; mood.run(); break; }
case 4: { Animated ani; ani.run(); break; }
case 5: { Tictactoe ttt; ttt.run(); break; }
case 6: { Tetris tet; tet.run(); break; }
}
}
matrix.setColor(0,0,0);
matrix.rectangle(0,0,11,11, DRAW_FILLED);
matrix.setColor(Rgb(hsv));
switch (selected) {
case 0: matrix.text(0, 3, "CLK", DRAW_ORIENTATION_0); break;
case 1: matrix.text(0, 3, "ALT", DRAW_ORIENTATION_0); break;
case 2: matrix.text(0, 3, "LIF", DRAW_ORIENTATION_0); break;
case 3: matrix.text(0, 3, "MOO", DRAW_ORIENTATION_0); break;
case 4: matrix.text(0, 3, "ANI", DRAW_ORIENTATION_0); break;
case 5: matrix.text(0, 3, "TTT", DRAW_ORIENTATION_0); break;
case 6: matrix.text(0, 3, "TET", DRAW_ORIENTATION_0); break;
}
matrix.flush();
_delay_ms(127);
}
}
void PaletteEntryEditor::setAbsolutePaletteEntryChannel(ColorSliders::Channel channel, const app::Color& color)
{
PalettePicks entries;
getPicks(entries);
int picksCount = entries.picks();
uint32_t src_color;
int r, g, b;
Palette* palette = get_current_palette();
for (int c=0; c<palette->size(); c++) {
if (!entries[c])
continue;
// Get the current RGB values of the palette entry
src_color = palette->getEntry(c);
r = rgba_getr(src_color);
g = rgba_getg(src_color);
b = rgba_getb(src_color);
switch (m_type) {
case app::Color::RgbType:
// Modify one entry
if (picksCount == 1) {
r = color.getRed();
g = color.getGreen();
b = color.getBlue();
}
// Modify one channel a set of entries
else {
// Setup the new RGB values depending of the modified channel.
switch (channel) {
case ColorSliders::Red:
r = color.getRed();
case ColorSliders::Green:
g = color.getGreen();
break;
case ColorSliders::Blue:
b = color.getBlue();
break;
}
}
break;
case app::Color::HsvType:
{
Hsv hsv;
// Modify one entry
if (picksCount == 1) {
hsv.hue(color.getHue());
hsv.saturation(double(color.getSaturation()) / 100.0);
hsv.value(double(color.getValue()) / 100.0);
}
// Modify one channel a set of entries
else {
// Convert RGB to HSV
hsv = Hsv(Rgb(r, g, b));
// Only modify the desired HSV channel
switch (channel) {
case ColorSliders::Hue:
hsv.hue(color.getHue());
break;
case ColorSliders::Saturation:
hsv.saturation(double(color.getSaturation()) / 100.0);
break;
case ColorSliders::Value:
hsv.value(double(color.getValue()) / 100.0);
break;
}
}
// Convert HSV back to RGB
Rgb rgb(hsv);
r = rgb.red();
g = rgb.green();
b = rgb.blue();
}
break;
}
palette->setEntry(c, doc::rgba(r, g, b, 255));
}
}
