BUG:351298 Do not crash saving 16 bit CMYK to JPEG

The result looks wrong, though... Inverted. This also makes
the filter obey the batch mode setting, so it won't show a
warning message box when saving lab or ycbcr to jpeg.

krita/plugins/formats/jpeg/kis_jpeg_converter.cc

@@ -91,10 +91,9 @@ J_COLOR_SPACE getColorTypeforColorSpace(const KoColorSpace * cs)
     if (KoID(cs->id()) == KoID("RGBA") || KoID(cs->id()) == KoID("RGBA16")) {
         return JCS_RGB;
     }
-    if (KoID(cs->id()) == KoID("CMYK") || KoID(cs->id()) == KoID("CMYK16")) {
+    if (KoID(cs->id()) == KoID("CMYK") || KoID(cs->id()) == KoID("CMYKAU16")) {
         return JCS_CMYK;
     }
-    QMessageBox::information(0, i18nc("@title:window", "Krita"), i18n("Cannot export images in %1.\nWill save as RGB.", cs->name())) ;
     return JCS_UNKNOWN;
 }
 
@@ -113,11 +112,12 @@ QString getColorSpaceModelForColorType(J_COLOR_SPACE color_type)
 
 }
 
-KisJPEGConverter::KisJPEGConverter(KisDocument *doc)
+KisJPEGConverter::KisJPEGConverter(KisDocument *doc, bool batchMode)
 {
     m_doc = doc;
     m_job = 0;
     m_stop = false;
+    m_batchMode = batchMode;
 }
 
 KisJPEGConverter::~KisJPEGConverter()
@@ -475,9 +475,14 @@ KisImageBuilder_Result KisJPEGConverter::buildFile(const KUrl& uri, KisPaintLaye
 
     const KoColorSpace * cs = layer->colorSpace();
     J_COLOR_SPACE color_type = getColorTypeforColorSpace(cs);
+
     if (color_type == JCS_UNKNOWN) {
+        if (!m_batchMode) {
+            QMessageBox::information(0, i18nc("@title:window", "Krita"), i18n("Cannot export images in %1.\nWill save as RGB.", cs->name()));
+        }
         KUndo2Command *tmp = layer->paintDevice()->convertTo(KoColorSpaceRegistry::instance()->rgb8(), KoColorConversionTransformation::InternalRenderingIntent, KoColorConversionTransformation::InternalConversionFlags);
         delete tmp;
+        cs = KoColorSpaceRegistry::instance()->rgb8();
         color_type = JCS_RGB;
     }
 
@@ -485,6 +490,7 @@ KisImageBuilder_Result KisJPEGConverter::buildFile(const KUrl& uri, KisPaintLaye
         const KoColorSpace* dst = KoColorSpaceRegistry::instance()->colorSpace(RGBAColorModelID.id(), layer->colorSpace()->colorDepthId().id(), "sRGB built-in - (lcms internal)");
         KUndo2Command *tmp = layer->paintDevice()->convertTo(dst);
         delete tmp;
+        cs = dst;
         color_type = JCS_RGB;
     }
 

krita/plugins/formats/jpeg/kis_jpeg_converter.h

@@ -85,7 +85,7 @@ class KisJPEGConverter : public QObject
 {
     Q_OBJECT
 public:
-    KisJPEGConverter(KisDocument *doc);
+    KisJPEGConverter(KisDocument *doc, bool batchMode = false);
     virtual ~KisJPEGConverter();
 public:
     KisImageBuilder_Result buildImage(const KUrl& uri);
@@ -102,6 +102,7 @@ private:
     KisDocument *m_doc;
     bool m_stop;
     KIO::TransferJob *m_job;
+    bool m_batchMode;
 };
 
 #endif

krita/plugins/formats/jpeg/kis_jpeg_export.cc

@@ -48,7 +48,7 @@
 #include <kis_exif_info_visitor.h>
 #include <generator/kis_generator_layer.h>
 #include "kis_jpeg_converter.h"
-
+#include <KisImportExportManager.h>
 
 #include "ui_kis_wdg_options_jpeg.h"
 
@@ -195,7 +195,7 @@ KisImportExportFilter::ConversionStatus KisJPEGExport::convert(const QByteArray&
     image->refreshGraph();
     image->lock();
 
-    KisJPEGConverter kpc(input);
+    KisJPEGConverter kpc(input, m_chain->manager()->getBatchMode());
 
     KisPaintDeviceSP pd = new KisPaintDevice(*image->projection());
     image->unlock();

krita/plugins/formats/jpeg/kis_jpeg_import.cc

@@ -27,6 +27,7 @@
 #include <kis_image.h>
 
 #include <KisViewManager.h>
+#include <KisImportExportManager.h>
 
 #include "kis_jpeg_converter.h"
 
@@ -64,7 +65,7 @@ KisImportExportFilter::ConversionStatus KisJPEGImport::convert(const QByteArray&
         if (url.isEmpty())
             return KisImportExportFilter::FileNotFound;
 
-        KisJPEGConverter ib(doc);
+        KisJPEGConverter ib(doc, m_chain->manager()->getBatchMode());
 
 //        if (view != 0)
 //            view -> canvasSubject() ->  progressDisplay() -> setSubject(&ib, false, true);