// static
SkPDFArray* SkPDFUtils::MatrixToArray(const SkMatrix& matrix) {
SkScalar values[6];
SkAssertResult(matrix.pdfTransform(values));
SkPDFArray* result = new SkPDFArray;
result->reserve(6);
for (size_t i = 0; i < SK_ARRAY_COUNT(values); i++) {
result->append(new SkPDFScalar(values[i]))->unref();
}
return result;
}
// static
SkPDFArray* SkPDFUtils::MatrixToArray(const SkMatrix& matrix) {
SkScalar values[6];
if (!matrix.asAffine(values)) {
SkMatrix::SetAffineIdentity(values);
}
SkPDFArray* result = new SkPDFArray;
result->reserve(6);
for (size_t i = 0; i < SK_ARRAY_COUNT(values); i++) {
result->appendScalar(values[i]);
}
return result;
}
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;
}
void SkPDFPage::finalizePage(SkPDFCatalog* catalog, bool firstPage,
const SkTSet<SkPDFObject*>& knownResourceObjects,
SkTSet<SkPDFObject*>* newResourceObjects) {
if (fContentStream.get() == NULL) {
insert("Resources", fDevice->getResourceDict());
SkSafeUnref(this->insert("MediaBox", fDevice->copyMediaBox()));
if (!SkToBool(catalog->getDocumentFlags() &
SkPDFDocument::kNoLinks_Flags)) {
SkPDFArray* annots = fDevice->getAnnotations();
if (annots && annots->size() > 0) {
insert("Annots", annots);
}
}
SkAutoTUnref<SkStream> content(fDevice->content());
fContentStream.reset(new SkPDFStream(content.get()));
insert("Contents", new SkPDFObjRef(fContentStream.get()))->unref();
}
catalog->addObject(fContentStream.get(), firstPage);
fDevice->getResources(knownResourceObjects, newResourceObjects, true);
}
//static
SkPDFArray* SkPDFUtils::RectToArray(const SkRect& rect) {
SkPDFArray* result = new SkPDFArray();
result->reserve(4);
result->appendScalar(rect.fLeft);
result->appendScalar(rect.fTop);
result->appendScalar(rect.fRight);
result->appendScalar(rect.fBottom);
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;
}
