ColorRGBA::ColorRGBA(float red, float green, float blue, float alpha)
{
SetRed(red);
SetGreen(green);
SetBlue(blue);
SetAlpha(alpha);
}
void Led::SetColor(
const unsigned char red,
const unsigned char green,
const unsigned char blue)
{
SetRed(red);
SetGreen(green);
SetBlue(blue);
}
Colour::Colour(u8 red, u8 green, u8 blue)
{
SetRed(red);
SetGreen(green);
SetBlue(blue);
}
int R2Image::
ReadBMP(const char *filename)
{
// Open file
FILE *fp = fopen(filename, "rb");
if (!fp) {
fprintf(stderr, "Unable to open image file: %s\n", filename);
return 0;
}
/* Read file header */
BITMAPFILEHEADER bmfh;
bmfh.bfType = WordReadLE(fp);
bmfh.bfSize = DWordReadLE(fp);
bmfh.bfReserved1 = WordReadLE(fp);
bmfh.bfReserved2 = WordReadLE(fp);
bmfh.bfOffBits = DWordReadLE(fp);
/* Check file header */
assert(bmfh.bfType == BMP_BF_TYPE);
/* ignore bmfh.bfSize */
/* ignore bmfh.bfReserved1 */
/* ignore bmfh.bfReserved2 */
assert(bmfh.bfOffBits == BMP_BF_OFF_BITS);
/* Read info header */
BITMAPINFOHEADER bmih;
bmih.biSize = DWordReadLE(fp);
bmih.biWidth = LongReadLE(fp);
bmih.biHeight = LongReadLE(fp);
bmih.biPlanes = WordReadLE(fp);
bmih.biBitCount = WordReadLE(fp);
bmih.biCompression = DWordReadLE(fp);
bmih.biSizeImage = DWordReadLE(fp);
bmih.biXPelsPerMeter = LongReadLE(fp);
bmih.biYPelsPerMeter = LongReadLE(fp);
bmih.biClrUsed = DWordReadLE(fp);
bmih.biClrImportant = DWordReadLE(fp);
// Check info header
assert(bmih.biSize == BMP_BI_SIZE);
assert(bmih.biWidth > 0);
assert(bmih.biHeight > 0);
assert(bmih.biPlanes == 1);
assert(bmih.biBitCount == 24); /* RGB */
assert(bmih.biCompression == BI_RGB); /* RGB */
int lineLength = bmih.biWidth * 3; /* RGB */
if ((lineLength % 4) != 0) lineLength = (lineLength / 4 + 1) * 4;
assert(bmih.biSizeImage == (unsigned int) lineLength * (unsigned int) bmih.biHeight);
// Assign width, height, and number of pixels
width = bmih.biWidth;
height = bmih.biHeight;
nchannels = 3;
// Allocate unsigned char buffer for reading pixels
int rowsize = nchannels * width;
if ((rowsize % 4) != 0) rowsize = (rowsize / 4 + 1) * 4;
int nbytes = bmih.biSizeImage;
unsigned char *buffer = new unsigned char [nbytes];
if (!buffer) {
fprintf(stderr, "Unable to allocate temporary memory for BMP file");
fclose(fp);
return 0;
}
// Read buffer
fseek(fp, (long) bmfh.bfOffBits, SEEK_SET);
if (fread(buffer, 1, bmih.biSizeImage, fp) != bmih.biSizeImage) {
fprintf(stderr, "Error while reading BMP file %s", filename);
return 0;
}
// Close file
fclose(fp);
// Allocate pixels for image
pixels = new double [ width * height * nchannels ];
if (!pixels) {
fprintf(stderr, "Unable to allocate memory for BMP file");
fclose(fp);
return 0;
}
// Assign pixels
for (int j = 0; j < height; j++) {
unsigned char *p = &buffer[j * rowsize];
for (int i = 0; i < width; i++) {
SetBlue(i, j, (double) *(p++) / 255.0);
SetGreen(i, j, (double) *(p++) / 255.0);
SetRed(i, j, (double) *(p++) / 255.0);
}
}
// Free unsigned char buffer for reading pixels
delete [] buffer;
// Return success
return 1;
}
void ExpandedLEDSerialControllerMega::SetMode (Mode mode) {
switch (mode) {
case kRed:
SetRed (255);
SetGreen ();
SetBlue ();
SetWhite ();
break;
case kBlue:
SetRed ();
SetGreen ();
SetBlue (255);
SetWhite ();
break;
case kGreen:
SetRed ();
SetGreen (255);
SetBlue ();
SetWhite ();
break;
case kYellow:
SetRed (255);
SetGreen (255);
SetBlue ();
SetWhite ();
break;
case kMagenta:
SetRed (255);
SetGreen ();
SetBlue (255);
SetWhite ();
break;
case kCyan:
SetRed ();
SetGreen (255);
SetBlue (255);
SetWhite ();
break;
case kOrange:
SetRed (255);
SetGreen (63);
SetBlue ();
SetWhite ();
break;
case kPurple:
SetRed (127);
SetGreen ();
SetBlue (255);
SetWhite ();
break;
case kWhite:
SetRed ();
SetGreen ();
SetBlue ();
SetWhite (255);
break;
case kCycle:
SetWhite();
SetHSV ((double(millis() % (loopSeconds * 1000)) / double(loopSeconds * 1000)), 1, 1);
break;
case kRainbow: {
unsigned long timeStamp = (millis() % 8000);
if (timeStamp < 1000) {
SetRed (255);
SetGreen (0);
SetBlue (0);
SetWhite();
}
else if (timeStamp < 2000) {
SetRed (255);
SetGreen (31);
SetBlue (0);
SetWhite();
}
else if (timeStamp < 3000) {
SetRed (255);
SetGreen (150);
SetBlue (0);
SetWhite();
}
else if (timeStamp < 4000) {
SetRed (0);
SetGreen (255);
SetBlue (0);
SetWhite();
}
else if (timeStamp < 5000) {
SetRed (0);
SetGreen (255);
SetBlue (255);
SetWhite();
}
else if (timeStamp < 6000) {
SetRed (0);
SetGreen (0);
SetBlue (255);
SetWhite();
}
else if (timeStamp < 7000) {
SetRed (127);
SetGreen (0);
SetBlue (255);
SetWhite();
}
else {
SetRed (255);
SetGreen (0);
SetBlue (255);
SetWhite();
}
}
break;
default:
SetRed (0);
SetGreen (0);
SetBlue (0);
SetWhite();
break;
}
}
