[[ Bug 17541 ]] Update revpdfprinter to use latest cairo (#4535)

runrevmark · peter-b · commit 1af359f95c4b · 2016-09-23T12:06:07.000+01:00
This patch updates revpdfprinter to use the latest cairo update.

This appears to fix problems with printing generated PDFs on some
printers.
diff --git a/docs/notes/bugfix-17541.md b/docs/notes/bugfix-17541.md
@@ -0,0 +1,5 @@
+# Fix problems with printing PDFs to some printers
+
+It was possible for LiveCode to generate PDFs which were incompatible
+with some printers. This has been fixed by upgrading the PDF generation
+library which LiveCode uses (cairo).
diff --git a/revpdfprinter/src/revpdfprinter.cpp b/revpdfprinter/src/revpdfprinter.cpp
@@ -256,8 +256,8 @@ bool MCPDFPrintingDevice::BeginDocument(const MCCustomPrinterDocument& p_documen
 
 	if (t_success)
 	{
-		cairo_pdf_object_t t_value;
-		t_value.type = CAIRO_PDF_OBJECT_TYPE_STRING;
+		cairo_pdf_value_t t_value;
+		t_value.type = CAIRO_PDF_VALUE_TYPE_STRING;
 		if (p_document.option_count > 0)
 		{
 			t_success = MCMemoryNewArray(p_document.option_count, m_option_keys);
@@ -293,8 +293,8 @@ bool MCPDFPrintingDevice::BeginDocument(const MCCustomPrinterDocument& p_documen
 
 	if (t_success)
 	{
-		cairo_pdf_object_t t_date_object;
-		t_date_object.type = CAIRO_PDF_OBJECT_TYPE_DATE;
+		cairo_pdf_value_t t_date_object;
+		t_date_object.type = CAIRO_PDF_VALUE_TYPE_DATE;
 		t_success = set_cairo_pdf_datetime_to_now(t_date_object.date);
 		if (t_success)
 			cairo_pdf_surface_set_metadata(m_surface, "CreationDate", &t_date_object);

Original file line number	Diff line number	Diff line change
`@@ -256,8 +256,8 @@ bool MCPDFPrintingDevice::BeginDocument(const MCCustomPrinterDocument& p_documen`
`256`	`256`
`257`	`257`	`if (t_success)`
`258`	`258`	`{`
`259`		`- cairo_pdf_object_t t_value;`
`260`		`- t_value.type = CAIRO_PDF_OBJECT_TYPE_STRING;`
	`259`	`+ cairo_pdf_value_t t_value;`
	`260`	`+ t_value.type = CAIRO_PDF_VALUE_TYPE_STRING;`
`261`	`261`	`if (p_document.option_count > 0)`
`262`	`262`	`{`
`263`	`263`	`t_success = MCMemoryNewArray(p_document.option_count, m_option_keys);`
`@@ -293,8 +293,8 @@ bool MCPDFPrintingDevice::BeginDocument(const MCCustomPrinterDocument& p_documen`
`293`	`293`
`294`	`294`	`if (t_success)`
`295`	`295`	`{`
`296`		`- cairo_pdf_object_t t_date_object;`
`297`		`- t_date_object.type = CAIRO_PDF_OBJECT_TYPE_DATE;`
	`296`	`+ cairo_pdf_value_t t_date_object;`
	`297`	`+ t_date_object.type = CAIRO_PDF_VALUE_TYPE_DATE;`
`298`	`298`	`t_success = set_cairo_pdf_datetime_to_now(t_date_object.date);`
`299`	`299`	`if (t_success)`
`300`	`300`	`cairo_pdf_surface_set_metadata(m_surface, "CreationDate", &t_date_object);`