1 files changed, 118 insertions, 0 deletions
diff --git a/examples/cairogears/common.c b/examples/cairogears/common.c
new file mode 100644
index 0000000..ec0a101
--- /dev/null
+++ b/examples/cairogears/common.c
@@ -0,0 +1,118 @@
+#include "cairogears.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <math.h>
+#include <strings.h>
+
+cairo_t *cr;
+unsigned int frame_cnt = 0;
+char *program_name;
+
+void
+usage(void) {
+  
+    printf ("Usage: %s ["
+	    "-image | "
+	    "-xrender | "
+	    "{-glx | -agl} [-noaa|-swaa|-hwaa]"
+	    "] TEST\n\n\tThe following tests are available:\n\n"
+	    "\tTRAP   Trapezoid fill test\n"
+	    "\tGRAD   Trapezoid gradient test\n"
+	    "\tCOMP   Composite and transform test\n"
+	    "\tTEXT   Text path test\n"
+	    "\tSHADOW Composite with mask and convolution filter test\n\n",
+	    program_name);
+}
+
+void alarmhandler (int sig) {
+    if (sig == SIGALRM) {
+       {
+	printf ("%d frames in 5.0 seconds = %.3f FPS\n", frame_cnt,
+		frame_cnt / 5.0);
+       }
+    frame_cnt = 0; 
+    }
+    signal (SIGALRM, alarmhandler);
+    alarm(5);
+}
+
+glitz_format_t*
+get_glitz_format (glitz_drawable_format_t* dformat,
+                  glitz_drawable_t* drawable)
+{
+        glitz_format_t* format = NULL;
+        glitz_format_t formatTemplate;
+
+        formatTemplate.color = dformat->color;
+        formatTemplate.color.fourcc = GLITZ_FOURCC_RGB;
+
+        format = glitz_find_format (drawable,
+                                    GLITZ_FORMAT_RED_SIZE_MASK   |
+                                    GLITZ_FORMAT_GREEN_SIZE_MASK |
+                                    GLITZ_FORMAT_BLUE_SIZE_MASK  |
+                                    GLITZ_FORMAT_ALPHA_SIZE_MASK |
+                                    GLITZ_FORMAT_FOURCC_MASK,
+                                    &formatTemplate,
+                                    0);
+
+        if (!format)
+        {
+                puts ("Could not find glitz-surface-format!");
+                return NULL;
+        }
+
+        return format;
+}
+
+cairo_surface_t *
+resize_glitz_drawable (glitz_drawable_t *drawable,
+		       glitz_drawable_format_t *dformat,
+		       int width,
+		       int height)
+{
+    glitz_surface_t *surface;
+    glitz_format_t *format;
+    cairo_surface_t *crsurface;
+
+    glitz_drawable_update_size (drawable, width, height);
+
+    format = get_glitz_format (dformat, drawable);
+    surface = glitz_surface_create (drawable, format, width, height, 0, NULL);
+    if (!surface) {
+	fprintf (stderr, "Error: couldn't create glitz surface\n");
+	exit (1);
+    }
+
+    if (dformat->doublebuffer)
+        glitz_surface_attach (surface, drawable, GLITZ_DRAWABLE_BUFFER_BACK_COLOR);
+    else
+        glitz_surface_attach (surface, drawable, GLITZ_DRAWABLE_BUFFER_FRONT_COLOR);
+    
+    crsurface = cairo_glitz_surface_create (surface);
+    
+    return crsurface;
+}
+
+
+int
+get_test_type (const char *arg)
+{
+    if (!strcasecmp ("TRAP", arg)) {
+	return STROKE_AND_FILL_TYPE;
+    } else if (!strcasecmp ("GRAD", arg)) {
+	return STROKE_AND_FILL_TYPE_GRADIENT;
+    } else if (!strcasecmp ("COMP", arg)) {
+	return COMPOSITE_AND_TRANSFORM_TYPE;
+    } else if (!strcasecmp ("TEXT", arg)) {
+	return TEXT_PATH_TYPE;
+    } else if (!strcasecmp ("SHADOW", arg)) {
+	return SHADOW_TYPE;
+    } else {
+	fprintf (stderr, "%s: unrecognized option `%s'\n",
+		 program_name, arg);
+	usage();
+	exit(1);
+    }
+}