Attachment 19061 Details for Bug 17693 – ps2png

[patch] ps2png

0003--test-Add-ps2png-check-program-using-libspectre.patch (text/plain), 3.31 KB, created by Carlos Garcia Campos on 2008-09-21 05:40:37 UTC

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Creator: Carlos Garcia Campos

Created: 2008-09-21 05:40:37 UTC

Size: 3.31 KB

patch

obsolete

>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
>

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