// Get input from user
static
void GetLine(char* Buffer, const char* frm, ...)
{
int res;
va_list args;
va_start(args, frm);
do {
if (xisatty(stdin))
vfprintf(stderr, frm, args);
res = scanf("%4095s", Buffer);
if (res < 0 || toupper(Buffer[0]) == 'Q') { // Quit?
CloseTransforms();
if (xisatty(stdin))
fprintf(stderr, "Done.\n");
exit(0);
}
} while (res == 0);
va_end(args);
}
int main(int argc, char *argv[])
{
WORD Input[MAXCHANNELS], Output[MAXCHANNELS], PCSLab[MAXCHANNELS], PCSxyz[MAXCHANNELS];
fprintf(stderr, "little cms ColorSpace conversion calculator - v1.8\n\n");
if (argc == 1)
Help();
HandleSwitches(argc, argv);
cmsSetErrorHandler(MyErrorHandler);
OpenTransforms();
for(;;) {
if (xisatty(stdin))
printf("\nEnter values, 'q' to quit\n");
if (feof(stdin))
break;
TakeValues(Input);
cmsDoTransform(hTrans, Input, Output, 1);
if (Verbose) {
if (hTransXYZ) cmsDoTransform(hTransXYZ, Input, PCSxyz, 1);
if (hTransLab) cmsDoTransform(hTransLab, Input, PCSLab, 1);
}
if (xisatty(stdin))
printf("\n");
PrintResults(Output, OutputColorSpace); printf("\n");
if (Verbose && hTransXYZ && hTransLab) {
PrintResults(PCSxyz, icSigXYZData); printf("\n");
PrintResults(PCSLab, icSigLabData); printf("\n");
}
}
return 0;
}
static
double GetAnswer(const char* Prompt, double Range)
{
char Buffer[4096];
double val = 0.0;
if (Range == 0.0) { // Range 0 means double value
if (xisatty(stdin)) printf("%s? ", Prompt);
GetLine(Buffer);
return atof(Buffer);
}
else {
if (InHexa) { // Hexadecimal
int hexa;
if (Width16)
Range = 0xFFFF;
else
Range = 0xFF;
if (xisatty(stdin)) printf("%s (0..%X)? ", Prompt, (int) Range);
GetLine(Buffer);
sscanf(Buffer, "%x", &hexa);
val = hexa;
}
else { // Normal usage
if (xisatty(stdin)) printf("%s (0..%d)? ", Prompt, (int) Range);
GetLine(Buffer);
sscanf(Buffer, "%lf", &val);
}
// Normalize to 0..0xffff
return floor((val * 65535.0) / Range + 0.5);
}
}
// Read values from a text file or terminal
static
void TakeFloatValues(cmsFloat64Number Float[])
{
cmsUInt32Number i, n;
char ChannelName[cmsMAX_PATH];
char Buffer[4096];
if (xisatty(stdin))
fprintf(stderr, "\nEnter values, 'q' to quit\n");
if (InputNamedColor) {
// This is named color index, which is always cmsUInt16Number
cmsUInt16Number index = GetIndex();
memcpy(Float, &index, sizeof(cmsUInt16Number));
return;
}
n = cmsChannelsOf(InputColorSpace);
for (i=0; i < n; i++) {
if (InputColorant) {
cmsNamedColorInfo(InputColorant, i, ChannelName, NULL, NULL, NULL, NULL);
}
else {
InputRange = 1;
sprintf(ChannelName, "Channel #%u", i+1);
}
GetLine(Buffer, "%s? ", ChannelName);
Float[i] = (cmsFloat64Number) atof(Buffer) / InputRange;
}
if (xisatty(stdin))
fprintf(stderr, "\n");
}
static
void GetLine(char* Buffer)
{
scanf("%s", Buffer);
if (toupper(Buffer[0]) == 'Q') { // Quit?
CloseTransforms();
if (xisatty(stdin))
printf("Done.\n");
exit(0);
}
}
static
WORD GetIndex(void)
{
char Buffer[4096], Name[40], Prefix[40], Suffix[40];
int index, max;
max = cmsNamedColorCount(hTrans)-1;
if (xisatty(stdin)) printf("Color index (0..%d)? ", max);
GetLine(Buffer);
index = atoi(Buffer);
if (index > max)
FatalError("Named color %d out of range!", index);
cmsNamedColorInfo(hTrans, index, Name, Prefix, Suffix);
printf("\n%s %s %s: ", Prefix, Name, Suffix);
return index;
}
