void ColourPickerActivity::OnDraw()
{
Graphics * g = ui::Engine::Ref().g;
//g->clearrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3);
g->fillrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3, 0, 0, 0, currentAlpha);
g->drawrect(Position.X, Position.Y, Size.X, Size.Y, 255, 255, 255, 255);
g->drawrect(Position.X+4, Position.Y+4, 258, 130, 180, 180, 180, 255);
g->drawrect(Position.X+4, Position.Y+4+4+128, 258, 12, 180, 180, 180, 255);
int offsetX = Position.X+5;
int offsetY = Position.Y+5;
//draw color square
int lastx = -1, currx = 0;
for(int saturation = 0; saturation <= 255; saturation+=2)
{
for(int hue = 0; hue <= 359; hue++)
{
currx = clamp_flt(hue, 0, 359)+offsetX;
if (currx == lastx)
continue;
lastx = currx;
int cr = 0;
int cg = 0;
int cb = 0;
HSV_to_RGB(hue, 255-saturation, currentValue, &cr, &cg, &cb);
g->blendpixel(currx, (saturation/2)+offsetY, cr, cg, cb, currentAlpha);
}
}
//draw brightness bar
for(int value = 0; value <= 255; value++)
for(int i = 0; i < 10; i++)
{
int cr = 0;
int cg = 0;
int cb = 0;
HSV_to_RGB(currentHue, currentSaturation, value, &cr, &cg, &cb);
g->blendpixel(value+offsetX, i+offsetY+127+5, cr, cg, cb, currentAlpha);
}
//draw color square pointer
int currentHueX = clamp_flt(currentHue, 0, 359);
int currentSaturationY = ((255-currentSaturation)/2);
g->xor_line(offsetX+currentHueX, offsetY+currentSaturationY-5, offsetX+currentHueX, offsetY+currentSaturationY-1);
g->xor_line(offsetX+currentHueX, offsetY+currentSaturationY+1, offsetX+currentHueX, offsetY+currentSaturationY+5);
g->xor_line(offsetX+currentHueX-5, offsetY+currentSaturationY, offsetX+currentHueX-1, offsetY+currentSaturationY);
g->xor_line(offsetX+currentHueX+1, offsetY+currentSaturationY, offsetX+currentHueX+5, offsetY+currentSaturationY);
//draw brightness bar pointer
int currentValueX = restrict_flt(currentValue, 0, 254);
g->xor_line(offsetX+currentValueX, offsetY+4+128, offsetX+currentValueX, offsetY+13+128);
g->xor_line(offsetX+currentValueX+1, offsetY+4+128, offsetX+currentValueX+1, offsetY+13+128);
}
void ColourPickerActivity::OnDraw()
{
Graphics * g = ui::Engine::Ref().g;
g->clearrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3);
g->drawrect(Position.X, Position.Y, Size.X, Size.Y, 255, 255, 255, 255);
g->drawrect(Position.X+4, Position.Y+4, 258, 130, 180, 180, 180, 255);
g->drawrect(Position.X+4, Position.Y+4+4+128, 258, 12, 180, 180, 180, 255);
int offsetX = Position.X+5;
int offsetY = Position.Y+5;
for(int saturation = 0; saturation <= 255; saturation+=2)
for(int hue = 0; hue <= 359; hue++)
{
int cr = 0;
int cg = 0;
int cb = 0;
HSV_to_RGB(hue, 255-saturation, 255-saturation, &cr, &cg, &cb);
g->blendpixel(clamp_flt(hue, 0, 359)+offsetX, (saturation/2)+offsetY, cr, cg, cb, 255);
}
//draw brightness bar
for(int value = 0; value <= 255; value++)
for(int i = 0; i < 10; i++)
{
int cr = 0;
int cg = 0;
int cb = 0;
HSV_to_RGB(currentHue, currentSaturation, value, &cr, &cg, &cb);
g->blendpixel(value+offsetX, i+offsetY+127+5, cr, cg, cb, 255);
}
int currentHueX = clamp_flt(currentHue, 0, 359);
int currentSaturationY = ((255-currentSaturation)/2);
g->xor_line(offsetX+currentHueX, offsetY+currentSaturationY-5, offsetX+currentHueX, offsetY+currentSaturationY+5);
g->xor_line(offsetX+currentHueX-5, offsetY+currentSaturationY, offsetX+currentHueX+5, offsetY+currentSaturationY);
g->xor_line(offsetX+currentValue, offsetY+4+128, offsetX+currentValue, offsetY+13+128);
g->xor_line(offsetX+currentValue+1, offsetY+4+128, offsetX+currentValue+1, offsetY+13+128);
}
