From b8355ad7dac90e1c89a62374e5ffa63e30572824 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.me.uk>
Date: Mon, 8 Apr 2019 22:59:47 +0200
Subject: Move render_slides_to_pdf to slide_render_cairo

---
 libstorycode/slide_render_cairo.c | 51 +++++++++++++++++++++++++++++++++++++++
 libstorycode/slide_render_cairo.h |  1 +
 src/pdfstorycode.c                | 48 ------------------------------------
 3 files changed, 52 insertions(+), 48 deletions(-)

diff --git a/libstorycode/slide_render_cairo.c b/libstorycode/slide_render_cairo.c
index a812bd8..cd8d397 100644
--- a/libstorycode/slide_render_cairo.c
+++ b/libstorycode/slide_render_cairo.c
@@ -33,6 +33,9 @@
 #include <stdlib.h>
 #include <math.h>
 
+#include <libintl.h>
+#define _(x) gettext(x)
+
 #include "slide.h"
 #include "narrative.h"
 #include "stylesheet.h"
@@ -352,3 +355,51 @@ int slide_render_cairo(Slide *s, cairo_t *cr, ImageStore *is, Stylesheet *styles
 
 	return 0;
 }
+
+
+int render_slides_to_pdf(Narrative *n, ImageStore *is, const char *filename)
+{
+	double w = 2048.0;
+	cairo_surface_t *surf;
+	cairo_t *cr;
+	int i;
+	PangoContext *pc;
+	struct slide_pos sel;
+
+	surf = cairo_pdf_surface_create(filename, w, w);
+	if ( cairo_surface_status(surf) != CAIRO_STATUS_SUCCESS ) {
+		fprintf(stderr, _("Couldn't create Cairo surface\n"));
+		return 1;
+	}
+
+	cr = cairo_create(surf);
+	pc = pango_cairo_create_context(cr);
+
+	sel.para = 0;  sel.pos = 0;  sel.trail = 0;
+
+	for ( i=0; i<narrative_get_num_slides(n); i++ )
+	{
+		Slide *s;
+		double log_w, log_h;
+
+		s = narrative_get_slide_by_number(n, i);
+		slide_get_logical_size(s, narrative_get_stylesheet(n),
+		                       &log_w, &log_h);
+
+		cairo_pdf_surface_set_size(surf, w, w*(log_h/log_w));
+
+		cairo_save(cr);
+		cairo_scale(cr, w/log_w, w/log_w);
+		slide_render_cairo(s, cr, is, narrative_get_stylesheet(n),
+		                   i, pango_language_get_default(), pc,
+		                   NULL, sel, sel);
+		cairo_show_page(cr);
+		cairo_restore(cr);
+	}
+
+	g_object_unref(pc);
+	cairo_surface_finish(surf);
+	cairo_destroy(cr);
+
+	return 0;
+}
diff --git a/libstorycode/slide_render_cairo.h b/libstorycode/slide_render_cairo.h
index bb7ad84..6589945 100644
--- a/libstorycode/slide_render_cairo.h
+++ b/libstorycode/slide_render_cairo.h
@@ -42,5 +42,6 @@ extern int slide_render_cairo(Slide *s, cairo_t *cr, ImageStore *is, Stylesheet
                               SlideItem *sel_item, struct slide_pos sel_start,
                               struct slide_pos sel_end);
 
+extern int render_slides_to_pdf(Narrative *n, ImageStore *is, const char *filename);
 
 #endif	/* RENDER_H */
diff --git a/src/pdfstorycode.c b/src/pdfstorycode.c
index d09fb47..c26f6cb 100644
--- a/src/pdfstorycode.c
+++ b/src/pdfstorycode.c
@@ -44,54 +44,6 @@
 #define _(x) gettext(x)
 
 
-static int render_slides_to_pdf(Narrative *n, ImageStore *is, const char *filename)
-{
-	double w = 2048.0;
-	cairo_surface_t *surf;
-	cairo_t *cr;
-	int i;
-	PangoContext *pc;
-	struct slide_pos sel;
-
-	surf = cairo_pdf_surface_create(filename, w, w);
-	if ( cairo_surface_status(surf) != CAIRO_STATUS_SUCCESS ) {
-		fprintf(stderr, _("Couldn't create Cairo surface\n"));
-		return 1;
-	}
-
-	cr = cairo_create(surf);
-	pc = pango_cairo_create_context(cr);
-
-	sel.para = 0;  sel.pos = 0;  sel.trail = 0;
-
-	for ( i=0; i<narrative_get_num_slides(n); i++ )
-	{
-		Slide *s;
-		double log_w, log_h;
-
-		s = narrative_get_slide_by_number(n, i);
-		slide_get_logical_size(s, narrative_get_stylesheet(n),
-		                       &log_w, &log_h);
-
-		cairo_pdf_surface_set_size(surf, w, w*(log_h/log_w));
-
-		cairo_save(cr);
-		cairo_scale(cr, w/log_w, w/log_w);
-		slide_render_cairo(s, cr, is, narrative_get_stylesheet(n),
-		                   i, pango_language_get_default(), pc,
-		                   NULL, sel, sel);
-		cairo_show_page(cr);
-		cairo_restore(cr);
-	}
-
-	g_object_unref(pc);
-	cairo_surface_finish(surf);
-	cairo_destroy(cr);
-
-	return 0;
-}
-
-
 int main(int argc, char *argv[])
 {
 	GFile *file;
-- 
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