From 85bb618f1bb8b2a73f3a37df56a88b858b1f1d46 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 18 Apr 2017 12:33:09 +0200
Subject: image loading update

---
 drmtest.c | 16 ++++++++++++++--
 gtktest.c |  2 +-
 image.c   | 20 +++++++++++++++++++-
 image.h   |  3 ++-
 4 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/drmtest.c b/drmtest.c
index db57b98..ab58bc5 100644
--- a/drmtest.c
+++ b/drmtest.c
@@ -26,6 +26,7 @@
 
 #include "drmtools.h"
 #include "render.h"
+#include "image.h"
 
 /* ------------------------------------------------------------------ */
 
@@ -54,6 +55,9 @@ cairo_device_t *cd;
 cairo_surface_t *cs;
 cairo_t *cc;
 
+/* user options */
+cairo_surface_t *image;
+
 /* ------------------------------------------------------------------ */
 
 static void drm_init_dev(int devnr, const char *output,
@@ -178,7 +182,11 @@ static void drm_draw(const char *text)
     snprintf(info, sizeof(info), "drmtest: %dx%d at %s",
              mode->hdisplay, mode->vdisplay, name);
     cr = cairo_create(cs);
-    render_test(cr, mode->hdisplay, mode->vdisplay, info, text);
+    if (image) {
+        render_image(cr, mode->hdisplay, mode->vdisplay, image);
+    } else {
+        render_test(cr, mode->hdisplay, mode->vdisplay, info, text);
+    }
     cairo_destroy(cr);
 }
 
@@ -401,6 +409,7 @@ static void usage(FILE *fp)
             "  -c <nr>    pick card\n"
             "  -o <name>  pick output\n"
             "  -s <secs>  set sleep time\n"
+            "  -i <file>  load and display image <file>\n"
             "  -g         openngl mode\n"
 #if 0
             "  -d         debug mode (opengl)\n"
@@ -418,7 +427,7 @@ int main(int argc, char **argv)
     int c;
 
     for (;;) {
-        c = getopt(argc, argv, "hgdc:s:o:");
+        c = getopt(argc, argv, "hgdc:s:o:i:");
         if (c == -1)
             break;
         switch (c) {
@@ -428,6 +437,9 @@ int main(int argc, char **argv)
         case 's':
             secs = atoi(optarg);
             break;
+        case 'i':
+            image = load_image(optarg);
+            break;
         case 'o':
             output = optarg;
             break;
diff --git a/gtktest.c b/gtktest.c
index 4174029..43a14b3 100644
--- a/gtktest.c
+++ b/gtktest.c
@@ -49,7 +49,7 @@ int main(int argc, char *argv[])
 
     if (argv[1]) {
         fprintf(stderr, "loading %s ...\n", argv[1]);
-        image = load_jpeg(argv[1]);
+        image = load_image(argv[1]);
     }
 
     gtk_widget_show_all(window);
diff --git a/image.c b/image.c
index 62e3da1..a1a1bb5 100644
--- a/image.c
+++ b/image.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
+#include <strings.h>
 #include <unistd.h>
 #include <errno.h>
 #include <endian.h>
@@ -12,7 +13,7 @@
 
 #include "image.h"
 
-cairo_surface_t *load_jpeg(const char* filename)
+static cairo_surface_t *load_jpeg(const char* filename)
 {
     struct jpeg_decompress_struct info;
     struct jpeg_error_mgr err;
@@ -56,3 +57,20 @@ cairo_surface_t *load_jpeg(const char* filename)
     fclose(file);
     return surface;
 }
+
+cairo_surface_t *load_image(const char* filename)
+{
+    char *ext = strrchr(filename, '.');
+
+    if (!ext)
+        return NULL;
+
+    if (strcasecmp(ext, ".jpeg") == 0 ||
+        strcasecmp(ext, ".jpg"))
+        return load_jpeg(filename);
+
+    if (strcasecmp(ext, ".png") == 0)
+        return cairo_image_surface_create_from_png(filename);
+
+    return NULL;
+}
diff --git a/image.h b/image.h
index 887ce3e..1ab409d 100644
--- a/image.h
+++ b/image.h
@@ -1 +1,2 @@
-cairo_surface_t *load_jpeg(const char* filename);
+cairo_surface_t *load_image(const char* filename);
+
-- 
cgit