From 96e1ff487d8991b82edc8bd0d966f89d14c20b4f Mon Sep 17 00:00:00 2001
From: Carlos Garcia Campos <carlosgc@gnome.org>
Date: Sun, 21 Sep 2008 14:29:30 +0200
Subject: [PATCH] [test] Add ps2png check program using libspectre

---
 test/Makefile.am |    8 +++++
 test/ps2png.c    |   76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+), 0 deletions(-)
 create mode 100644 test/ps2png.c

diff --git a/test/Makefile.am b/test/Makefile.am
index 8faf1fd..d8500e2 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -898,6 +898,14 @@ svg2png_LDFLAGS = $(CAIRO_TEST_UNDEFINED_LDFLAGS)
 svg2png_LDADD  = $(LDADD) $(LIBRSVG_LIBS)
 endif
 
+if CAIRO_CAN_TEST_PS_SURFACE
+check_PROGRAMS += ps2png
+ps2png_CFLAGS = $(LIBSPECTRE_CFLAGS)
+# add LDADD, so ps2png uses "our" cairo
+ps2png_LDFLAGS = $(CAIRO_TEST_UNDEFINED_LDFLAGS)
+ps2png_LDADD  = $(LDADD) $(LIBSPECTRE_LIBS)
+endif
+
 EXTRA_PROGRAMS += $(TESTS) $(DISABLED_TESTS)
 
 # Do a funny transition of CAIRO_TEST_TARGET through TARGETS such that
diff --git a/test/ps2png.c b/test/ps2png.c
new file mode 100644
index 0000000..1172e59
--- /dev/null
+++ b/test/ps2png.c
@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <cairo.h>
+#include <libspectre/spectre.h>
+
+#define FAIL(msg)                                                        \
+    do { fprintf (stderr, "FAIL: %s\n", msg); exit (-1); } while (0)
+
+int main (int argc, char *argv[])
+{
+    SpectreDocument *document;
+    int width, height, stride;
+    unsigned char *pixels;
+    cairo_surface_t *surface;
+    cairo_status_t cairo_status;
+    const char *filename = argv[1];
+    const char *output_filename = argv[2];
+
+    if (argc < 3 || argc > 4)
+        FAIL ("usage: ps2png input_file.ps output_file.png [page]");
+
+    document = spectre_document_new ();
+    spectre_document_load (document, filename);
+    if (spectre_document_status (document)) {
+        const char *err;
+
+	err = spectre_status_to_string (spectre_document_status (document));
+	spectre_document_free (document);
+	FAIL (err);
+    }
+
+    if (argc == 4) {
+        SpectrePage *page;
+	SpectreRenderContext *rc;
+	const char *page_label = argv[3];
+
+	page = spectre_document_get_page_by_label (document, page_label);
+	spectre_document_free (document);
+	if (page == NULL)
+	    FAIL ("page not found");
+
+	spectre_page_get_size (page, &width, &height);
+	rc = spectre_render_context_new ();
+	spectre_render_context_set_page_size (rc, width, height);
+	spectre_page_render (page, rc, &pixels, &stride);
+	spectre_render_context_free (rc);
+	if (spectre_page_status (page)) {
+		const char *err;
+
+		err = spectre_status_to_string (spectre_page_status (page));
+		free (pixels);
+		spectre_page_free (page);
+
+		FAIL (err);
+	}
+
+	spectre_page_free (page);
+    } else {
+        spectre_document_get_page_size (document, &width, &height);
+	spectre_document_render (document, &pixels, &stride);
+	spectre_document_free (document);
+    }
+
+    surface = cairo_image_surface_create_for_data (pixels,
+						   CAIRO_FORMAT_RGB24,
+						   width, height,
+						   stride);
+    cairo_status = cairo_surface_write_to_png (surface, output_filename);
+    cairo_surface_destroy (surface);
+    free (pixels);
+    
+    if (cairo_status)
+        FAIL (cairo_status_to_string (cairo_status));
+
+    return 0;
+}
-- 
1.5.6.3