* Store resolution ID in libprint specific field in JobData;

as the pair of x/y resolutions might not be unique in all
  supported Gutenprint printer models 


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39142 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/libs/print/libprint/JobData.h

@@ -226,6 +226,7 @@ public:
 private:
 	bool        fShowPreview;
 	Paper       fPaper;
+	int32       fResolutionID;
 	int32       fXRes;
 	int32       fYRes;
 	Orientation fOrientation;
@@ -271,6 +272,9 @@ public:
 	Paper getPaper() const { return fPaper; }
 	void  setPaper(Paper paper) { fPaper = paper; }
 
+	int32 getResolutionID() const { return fResolutionID; }
+	void setResolutionID(int32 resolution) { fResolutionID = resolution; }
+
 	int32 getXres() const { return fXRes; } 
 	void  setXres(int32 xres) { fXRes = xres; }
 

src/libs/print/libprint/JobData.cpp

@@ -38,6 +38,7 @@ static const char* kJDPageSelection         = "JJJJ_page_selection";
 static const char* kJDMarginUnit            = "JJJJ_margin_unit";
 static const char* kJDPhysicalRect          = "JJJJ_physical_rect";
 static const char* kJDScaledPhysicalRect    = "JJJJ_scaled_physical_rect";
+static const char* kJDResolution            = "JJJJ_resolution";
 
 JobData::JobData(BMessage *msg, const PrinterCap *cap, Settings settings)
 {
@@ -52,6 +53,7 @@ JobData::JobData(const JobData &job_data)
 {
 	fShowPreview           = job_data.fShowPreview;
 	fPaper                 = job_data.fPaper;
+	fResolutionID          = job_data.fResolutionID;
 	fXRes                  = job_data.fXRes;
 	fYRes                  = job_data.fYRes;
 	fOrientation           = job_data.fOrientation;
@@ -86,6 +88,7 @@ JobData &JobData::operator = (const JobData &job_data)
 {
 	fShowPreview           = job_data.fShowPreview;
 	fPaper                 = job_data.fPaper;
+	fResolutionID          = job_data.fResolutionID;
 	fXRes                  = job_data.fXRes;
 	fYRes                  = job_data.fYRes;
 	fOrientation           = job_data.fOrientation;
@@ -137,6 +140,17 @@ void JobData::load(BMessage *msg, const PrinterCap *cap, Settings settings)
 	} else
 		fPaper = kA4;
 
+	if (msg->HasInt32(kJDResolution)) {
+		int32 resolution;
+		msg->FindInt32(kJDResolution, &resolution);
+		fResolutionID = resolution;
+	} else if (cap->isSupport(PrinterCap::kResolution)) {
+		fResolutionID = cap->getDefaultCap(PrinterCap::kResolution)->ID();
+	} else {
+		// should not reach here!
+		fResolutionID = 0;
+	}
+
 	if (msg->HasInt64(kJDXRes)) {
 		int64 xres64; 
 		msg->FindInt64(kJDXRes, &xres64);
@@ -311,6 +325,9 @@ void JobData::save(BMessage *msg)
 	msg->RemoveName(kJDPaper);
 	msg->AddInt32(kJDPaper, fPaper);
 
+	msg->RemoveName(kJDResolution);
+	msg->AddInt32(kJDResolution, fResolutionID);
+
 	msg->RemoveName(kJDXRes);
 	msg->AddInt64(kJDXRes, fXRes);
 	

src/libs/print/libprint/PageSetupDlg.cpp

@@ -14,6 +14,7 @@
 #include <Bitmap.h>
 #include <Box.h>
 #include <Button.h>
+#include <Debug.h>
 #include <Font.h>
 #include <GridView.h>
 #include <GroupLayout.h>
@@ -266,18 +267,14 @@ PageSetupView::UpdateJobData()
 	BRect physical_rect = paperCap->fPhysicalRect;
 	fJobData->setPaper(paperCap->fPaper);
 
-	int count;
-
-	count = fPrinterCap->countCap(PrinterCap::kResolution);
-	ResolutionCap **resolution_cap = (ResolutionCap **)fPrinterCap->enumCap(PrinterCap::kResolution);
-	const char *resolution_label = fResolution->FindMarked()->Label();
-	while (count--) {
-		if (!strcmp((*resolution_cap)->fLabel.c_str(), resolution_label)) {
-			fJobData->setXres((*resolution_cap)->fXResolution);
-			fJobData->setYres((*resolution_cap)->fYResolution);
-			break;
-		}
-		resolution_cap++;
+	const char *resolutionLabel = fResolution->FindMarked()->Label();
+	const ResolutionCap* resolution = static_cast<const ResolutionCap*>(
+		fPrinterCap->findCap(PrinterCap::kResolution, resolutionLabel));
+	ASSERT(resolution != NULL);
+	if (resolution != NULL) {
+		fJobData->setXres(resolution->fXResolution);
+		fJobData->setYres(resolution->fYResolution);
+		fJobData->setResolutionID(resolution->ID());
 	}
 
 	// rotate paper and physical rectangle if landscape orientation