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load and save image functions

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This commit is contained in:
alemuntoni 2021-06-01 11:07:49 +02:00
parent a133962d8b
commit eb257d8cb6
2 changed files with 44 additions and 5 deletions
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38
src/common/utilities/load_save.cpp
View File

@ -185,7 +185,10 @@ void reloadMesh(
loadMesh(filename, ioPlugin, prePar, meshList, masks, cb);
}
void loadRaster(const QString& filename, RasterModel& rm, GLLogStream* log, vcg::CallBackPos* cb)
QImage loadImage(
const QString& filename,
GLLogStream* log,
vcg::CallBackPos* cb)
{
QFileInfo fi(filename);
QString extension = fi.suffix();
@ -194,15 +197,40 @@ void loadRaster(const QString& filename, RasterModel& rm, GLLogStream* log, vcg:
if (ioPlugin == nullptr)
throw MLException(
"Raster " + filename + " cannot be opened. Your MeshLab version "
"Image " + filename + " cannot be opened. Your MeshLab version "
"has not plugin to read " + extension + " file format.");
ioPlugin->setLog(log);
QImage loadedImage = ioPlugin->openImage(extension, filename, cb);
return ioPlugin->openImage(extension, filename, cb);
}
void saveImage(
const QString& filename,
const QImage& image,
GLLogStream* log,
vcg::CallBackPos* cb)
{
QFileInfo fi(filename);
QString extension = fi.suffix();
PluginManager& pm = meshlab::pluginManagerInstance();
IOPlugin *ioPlugin = pm.outputImagePlugin(extension);
if (ioPlugin == nullptr)
throw MLException(
"Image " + filename + " cannot be saved. Your MeshLab version "
"has not plugin to save " + extension + " file format.");
ioPlugin->setLog(log);
ioPlugin->saveImage(extension, filename, image, cb);
}
void loadRaster(const QString& filename, RasterModel& rm, GLLogStream* log, vcg::CallBackPos* cb)
{
QImage loadedImage = loadImage(filename, log, cb);
rm.setLabel(filename);
rm.addPlane(new RasterPlane(loadedImage, filename, RasterPlane::RGBA));
// Read the JPEG file into a buffer
// Read the file into a buffer
FILE *fp = fopen(qUtf8Printable(filename), "rb");
if (!fp) {
QString errorMsgFormat = "Exif Parsing: Unable to open file:\n\"%1\"\n\nError details: file %1 is not readable.";
@ -225,7 +253,7 @@ void loadRaster(const QString& filename, RasterModel& rm, GLLogStream* log, vcg:
int code = ImageInfo.parseFrom(buf, fsize);
delete[] buf;
if (!code) {
ioPlugin->log(GLLogStream::FILTER, "Warning: unable to parse exif for file %s", qPrintable(filename));
log->log(GLLogStream::FILTER, "Warning: unable to parse exif for file " + filename);
}
if (code && ImageInfo.FocalLengthIn35mm==0.0f)

11
src/common/utilities/load_save.h
View File

@ -53,6 +53,17 @@ void reloadMesh(
GLLogStream* log = nullptr,
vcg::CallBackPos* cb = nullptr);
QImage loadImage(
const QString& filename,
GLLogStream* log = nullptr,
vcg::CallBackPos *cb = nullptr);
void saveImage(
const QString& filename,
const QImage& image,
GLLogStream* log = nullptr,
vcg::CallBackPos* cb = nullptr);
void loadRaster(
const QString& filename,
RasterModel& rm,