mirror/kimageformats
1
0
Fork 0
mirror of https://invent.kde.org/frameworks/kimageformats.git synced 2025-07-18 20:04:16 -04:00
Code Issues Packages Projects Releases Wiki Activity

IFF: support for Ham8, HalfBride, Pbm and ILBM 32-bits modes

Browse Source
This commit is contained in:
Mirco Miranda
2025-07-15 07:38:19 +02:00
parent 21b3b890ec
commit 0a9f9fe106
11 changed files with 774 additions and 143 deletions
Download Patch File Download Diff File Expand all files Collapse all files

82
src/imageformats/iff.cpp
View File

@ -107,11 +107,12 @@ bool IFFHandler::canRead(QIODevice *device)
void addMetadata(QImage& img, const IFFChunk *form)
{
auto dates = IFFChunk::searchT<DATEChunk>(form);
if (!dates.isEmpty()) {
auto dt = dates.first()->value();
if (dt.isValid()) {
img.setText(QStringLiteral(META_KEY_CREATIONDATE), dt.toString(Qt::ISODate));
// standard IFF metadata
auto annos = IFFChunk::searchT<ANNOChunk>(form);
if (!annos.isEmpty()) {
auto anno = annos.first()->value();
if (!anno.isEmpty()) {
img.setText(QStringLiteral(META_KEY_DESCRIPTION), anno);
}
}
auto auths = IFFChunk::searchT<AUTHChunk>(form);
@ -121,6 +122,29 @@ void addMetadata(QImage& img, const IFFChunk *form)
img.setText(QStringLiteral(META_KEY_AUTHOR), auth);
}
}
auto dates = IFFChunk::searchT<DATEChunk>(form);
if (!dates.isEmpty()) {
auto dt = dates.first()->value();
if (dt.isValid()) {
img.setText(QStringLiteral(META_KEY_CREATIONDATE), dt.toString(Qt::ISODate));
}
}
auto copys = IFFChunk::searchT<COPYChunk>(form);
if (!copys.isEmpty()) {
auto cp = copys.first()->value();
if (!cp.isEmpty()) {
img.setText(QStringLiteral(META_KEY_COPYRIGHT), cp);
}
}
auto names = IFFChunk::searchT<NAMEChunk>(form);
if (!names.isEmpty()) {
auto name = names.first()->value();
if (!name.isEmpty()) {
img.setText(QStringLiteral(META_KEY_TITLE), name);
}
}
// software info
auto vers = IFFChunk::searchT<VERSChunk>(form);
if (!vers.isEmpty()) {
auto ver = vers.first()->value();
@ -128,6 +152,40 @@ void addMetadata(QImage& img, const IFFChunk *form)
img.setText(QStringLiteral(META_KEY_SOFTWARE), ver);
}
}
// SView5 metadata
auto exifs = IFFChunk::searchT<EXIFChunk>(form);
if (!exifs.isEmpty()) {
auto exif = exifs.first()->value();
exif.updateImageMetadata(img, false);
exif.updateImageResolution(img);
}
auto xmp0s = IFFChunk::searchT<XMP0Chunk>(form);
if (!xmp0s.isEmpty()) {
auto xmp = xmp0s.first()->value();
if (!xmp.isEmpty()) {
img.setText(QStringLiteral(META_KEY_XMP_ADOBE), xmp);
}
}
auto iccps = IFFChunk::searchT<ICCPChunk>(form);
if (!iccps.isEmpty()) {
auto cs = iccps.first()->value();
if (cs.isValid()) {
img.setColorSpace(cs);
}
}
// resolution -> leave after set of EXIF chunk
auto dpis = IFFChunk::searchT<DPIChunk>(form);
if (!dpis.isEmpty()) {
auto &&dpi = dpis.first();
if (dpi->isValid()) {
img.setDotsPerMeterX(dpi->dotsPerMeterX());
img.setDotsPerMeterY(dpi->dotsPerMeterY());
}
}
}
bool IFFHandler::readStandardImage(QImage *image)
@ -153,16 +211,6 @@ bool IFFHandler::readStandardImage(QImage *image)
return false;
}
// resolution
auto dpis = IFFChunk::searchT<DPIChunk>(form);
if (!dpis.isEmpty()) {
auto &&dpi = dpis.first();
if (dpi->isValid()) {
img.setDotsPerMeterX(dpi->dotsPerMeterX());
img.setDotsPerMeterY(dpi->dotsPerMeterY());
}
}
// set color table
auto cmaps = IFFChunk::searchT<CMAPChunk>(form);
if (img.format() == QImage::Format_Indexed8) {
@ -190,9 +238,10 @@ bool IFFHandler::readStandardImage(QImage *image)
qCWarning(LOG_IFFPLUGIN) << "IFFHandler::readStandardImage() error while reading image data";
return false;
}
auto isPbm = form->formType() == PBM__FORM_TYPE;
for (auto y = 0, h = img.height(); y < h; ++y) {
auto line = reinterpret_cast<char*>(img.scanLine(y));
auto ba = body->strideRead(device(), header, camg, cmap);
auto ba = body->strideRead(device(), header, camg, cmap, isPbm);
if (ba.isEmpty()) {
qCWarning(LOG_IFFPLUGIN) << "IFFHandler::readStandardImage() error while reading image scanline";
return false;
@ -201,6 +250,7 @@ bool IFFHandler::readStandardImage(QImage *image)
}
}
// set metadata (including image resolution)
addMetadata(img, form);
*image = img;