static SkPDFArray* make_indexed_color_space(const SkColorTable* table) {
SkPDFArray* result = new SkPDFArray;
result->reserve(4);
result->appendName("Indexed");
result->appendName("DeviceRGB");
SkASSERT(table);
if (table->count() < 1) {
result->appendInt(0);
char shortTableArray[3] = {0, 0, 0};
SkString tableString(shortTableArray, SK_ARRAY_COUNT(shortTableArray));
result->appendString(tableString);
return result;
}
result->appendInt(table->count() - 1); // maximum color index.
// Potentially, this could be represented in fewer bytes with a stream.
// Max size as a string is 1.5k.
char tableArray[256 * 3];
SkASSERT(3u * table->count() <= SK_ARRAY_COUNT(tableArray));
uint8_t* tablePtr = reinterpret_cast<uint8_t*>(tableArray);
const SkPMColor* colors = table->readColors();
for (int i = 0; i < table->count(); i++) {
pmcolor_to_rgb24(colors[i], tablePtr);
tablePtr += 3;
}
SkString tableString(tableArray, 3 * table->count());
result->appendString(tableString);
return result;
}
static SkPDFArray* make_indexed_color_space(SkColorTable* table) {
SkPDFArray* result = new SkPDFArray();
result->reserve(4);
result->appendName("Indexed");
result->appendName("DeviceRGB");
result->appendInt(table->count() - 1);
// Potentially, this could be represented in fewer bytes with a stream.
// Max size as a string is 1.5k.
SkString index;
for (int i = 0; i < table->count(); i++) {
char buf[3];
SkColor color = SkUnPreMultiply::PMColorToColor((*table)[i]);
buf[0] = SkGetPackedR32(color);
buf[1] = SkGetPackedG32(color);
buf[2] = SkGetPackedB32(color);
index.append(buf, 3);
}
result->append(new SkPDFString(index))->unref();
return result;
}
