add cairo

1 files changed, 353 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/test/xlib-surface.c b/libs/cairo-1.16.0/test/xlib-surface.c
new file mode 100644
index 0000000..137b282
--- /dev/null
+++ b/libs/cairo-1.16.0/test/xlib-surface.c
@@ -0,0 +1,353 @@
+/*
+ * Copyright © 2005 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo-test.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "cairo.h"
+#include "cairo-xlib.h"
+
+#include "cairo-boilerplate-xlib.h"
+
+#include "buffer-diff.h"
+
+#define SIZE 100
+#define OFFSCREEN_OFFSET 50
+
+cairo_bool_t result = 0;
+
+#if CAIRO_HAS_XLIB_XRENDER_SURFACE
+
+#include "cairo-xlib-xrender.h"
+
+/* Vladimir Vukicevic reported that surfaces were being created with
+ * mismatching Visuals and XRenderPictFormats.
+ */
+static cairo_bool_t
+surface_compare_visual_and_format (cairo_surface_t *surface)
+{
+    Display *dpy;
+    Visual *visual;
+    XRenderPictFormat *format;
+
+    dpy = cairo_xlib_surface_get_display (surface);
+
+    visual = cairo_xlib_surface_get_visual (surface);
+    if (visual == NULL)
+	return TRUE;
+
+    format = cairo_xlib_surface_get_xrender_format (surface);
+    if (format == NULL)
+	return TRUE;
+
+    return format == XRenderFindVisualFormat (dpy, visual);
+
+}
+#else
+
+static cairo_bool_t
+surface_compare_visual_and_format (cairo_surface_t *surface)
+{
+    return TRUE;
+}
+
+#endif
+
+static cairo_bool_t
+check_similar_visual_and_format (cairo_surface_t *surface)
+{
+    cairo_surface_t *similar;
+    cairo_bool_t ret;
+
+    similar = cairo_surface_create_similar (surface,
+	                                    CAIRO_CONTENT_COLOR_ALPHA,
+					    1, 1);
+    if (cairo_surface_status (similar))
+	return FALSE;
+
+    ret = surface_compare_visual_and_format (similar);
+
+    cairo_surface_destroy (similar);
+
+    return ret;
+}
+
+
+static void
+draw_pattern (cairo_surface_t *surface)
+{
+    cairo_t *cr = cairo_create (surface);
+    int i;
+
+    cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
+    cairo_paint (cr);
+
+    cairo_set_source_rgba (cr, 0, 0.0, 0.0, 0.50); /* half-alpha-black */
+
+    for (i = 1; i <= 3; i++) {
+	int inset = SIZE / 8 * i;
+
+	cairo_rectangle (cr,
+			 inset,            inset,
+			 SIZE - 2 * inset, SIZE - 2 * inset);
+	cairo_fill (cr);
+    }
+
+    cairo_destroy (cr);
+}
+
+static void
+erase_pattern (cairo_surface_t *surface)
+{
+    cairo_t *cr = cairo_create (surface);
+
+    cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
+    cairo_paint (cr);
+
+    cairo_destroy (cr);
+}
+
+static cairo_test_status_t
+do_test (const cairo_test_context_t *ctx,
+	 Display        *dpy,
+	 unsigned char  *reference_data,
+	 unsigned char  *test_data,
+	 unsigned char  *diff_data,
+	 cairo_bool_t    use_pixmap,
+	 cairo_bool_t    set_size,
+	 cairo_bool_t    offscreen)
+{
+    cairo_surface_t *surface;
+    cairo_surface_t *test_surface;
+    cairo_t *test_cr;
+    buffer_diff_result_t result;
+    Drawable drawable;
+    int screen = DefaultScreen (dpy);
+
+    if (use_pixmap && offscreen)
+	return CAIRO_TEST_SUCCESS;
+
+    if (use_pixmap) {
+	drawable = XCreatePixmap (dpy, DefaultRootWindow (dpy),
+				  SIZE, SIZE, DefaultDepth (dpy, screen));
+    } else {
+	XSetWindowAttributes xwa;
+	int x, y;
+
+	xwa.override_redirect = True;
+
+	if (offscreen) {
+	    x = - OFFSCREEN_OFFSET;
+	    y = - OFFSCREEN_OFFSET;
+	} else {
+	    x = 0;
+	    y = 0;
+	}
+
+	drawable = XCreateWindow (dpy, DefaultRootWindow (dpy),
+				  x, y, SIZE, SIZE, 0,
+				  DefaultDepth (dpy, screen), InputOutput,
+				  DefaultVisual (dpy, screen),
+				  CWOverrideRedirect, &xwa);
+	XMapWindow (dpy, drawable);
+    }
+
+    surface = cairo_xlib_surface_create (dpy,
+					 drawable,
+					 DefaultVisual (dpy, screen),
+					 SIZE, SIZE);
+
+    if (! surface_compare_visual_and_format (surface))
+	return CAIRO_TEST_FAILURE;
+
+    if (set_size) {
+	cairo_xlib_surface_set_size (surface, SIZE, SIZE);
+
+	if (cairo_xlib_surface_get_width (surface) != SIZE ||
+	    cairo_xlib_surface_get_height (surface) != SIZE)
+	    return CAIRO_TEST_FAILURE;
+    }
+
+    if (! check_similar_visual_and_format (surface))
+	return CAIRO_TEST_FAILURE;
+
+    draw_pattern (surface);
+
+    test_surface = cairo_image_surface_create_for_data (test_data,
+							CAIRO_FORMAT_RGB24,
+							SIZE, SIZE,
+							SIZE * 4);
+
+    test_cr = cairo_create (test_surface);
+    cairo_set_source_surface (test_cr, surface, 0, 0);
+    cairo_paint (test_cr);
+
+    cairo_destroy (test_cr);
+    cairo_surface_destroy (test_surface);
+
+    /* We erase the surface to black in case we get the same
+     * memory back again for the pixmap case.
+     */
+    erase_pattern (surface);
+    cairo_surface_destroy (surface);
+
+    if (use_pixmap)
+	XFreePixmap (dpy, drawable);
+    else
+	XDestroyWindow (dpy, drawable);
+
+    if (offscreen) {
+	size_t offset = 4 * (SIZE * OFFSCREEN_OFFSET + OFFSCREEN_OFFSET);
+
+	buffer_diff_noalpha (reference_data + offset,
+			     test_data + offset,
+			     diff_data + offset,
+			     SIZE - OFFSCREEN_OFFSET,
+			     SIZE - OFFSCREEN_OFFSET,
+			     4 * SIZE,
+			     &result);
+    } else {
+	buffer_diff_noalpha (reference_data,
+			     test_data,
+			     diff_data,
+			     SIZE,
+			     SIZE,
+			     4 * SIZE,
+			     &result);
+    }
+
+    cairo_test_log (ctx, "xlib-surface: %s, %s, %s: %s\n",
+		    set_size ? "   size" : "no-size",
+		    use_pixmap ? "pixmap" : "window",
+		    use_pixmap ?  "           " : (offscreen ? ", offscreen" : ",  onscreen"),
+		    image_diff_is_failure (&result, 0) ? "FAIL" : "PASS");
+
+    if (image_diff_is_failure (&result, 0))
+	return CAIRO_TEST_FAILURE;
+    else
+	return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_bool_t
+check_visual (Display *dpy)
+{
+    Visual *visual = DefaultVisual (dpy, DefaultScreen (dpy));
+
+    if ((visual->red_mask   == 0xff0000 &&
+	 visual->green_mask == 0x00ff00 &&
+	 visual->blue_mask  == 0x0000ff) ||
+	(visual->red_mask   == 0x0000ff &&
+	 visual->green_mask == 0x00ff00 &&
+	 visual->blue_mask  == 0xff0000))
+	return 1;
+    else
+	return 0;
+}
+
+#undef xcalloc
+static void *
+xcalloc (const cairo_test_context_t *ctx, size_t a, size_t b)
+{
+    void *ptr = calloc (a, b);
+    if (ptr == NULL) {
+	cairo_test_log (ctx, "xlib-surface: unable to allocate memory, skipping\n");
+	abort ();
+    }
+    return ptr;
+}
+
+static cairo_test_status_t
+preamble (cairo_test_context_t *ctx)
+{
+    Display *dpy;
+    unsigned char *reference_data;
+    unsigned char *test_data;
+    unsigned char *diff_data;
+    cairo_surface_t *reference_surface;
+    cairo_bool_t use_pixmap;
+    cairo_bool_t set_size;
+    cairo_bool_t offscreen;
+    cairo_test_status_t status, result = CAIRO_TEST_UNTESTED;
+    int stride;
+
+    if (! cairo_test_is_target_enabled (ctx, "xlib"))
+	goto CLEANUP_TEST;
+
+    dpy = XOpenDisplay (NULL);
+    if (!dpy) {
+	cairo_test_log (ctx, "xlib-surface: Cannot open display, skipping\n");
+	goto CLEANUP_TEST;
+    }
+
+    if (!check_visual (dpy)) {
+	cairo_test_log (ctx, "xlib-surface: default visual is not RGB24 or BGR24, skipping\n");
+	goto CLEANUP_DISPLAY;
+    }
+
+    stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, SIZE);
+
+    reference_data = xcalloc (ctx, SIZE, stride);
+    test_data = xcalloc (ctx, SIZE, stride);
+    diff_data = xcalloc (ctx, SIZE, stride);
+
+    reference_surface = cairo_image_surface_create_for_data (reference_data,
+							     CAIRO_FORMAT_RGB24,
+							     SIZE, SIZE,
+							     stride);
+
+    draw_pattern (reference_surface);
+    cairo_surface_destroy (reference_surface);
+
+    result = CAIRO_TEST_SUCCESS;
+
+    for (set_size = 0; set_size <= 1; set_size++)
+	for (use_pixmap = 0; use_pixmap <= 1; use_pixmap++)
+	    for (offscreen = 0; offscreen <= 1; offscreen++) {
+		status = do_test (ctx, dpy,
+				  reference_data, test_data, diff_data,
+				  use_pixmap, set_size, offscreen);
+		if (status)
+		    result = status;
+	    }
+
+    free (reference_data);
+    free (test_data);
+    free (diff_data);
+
+  CLEANUP_DISPLAY:
+    XCloseDisplay (dpy);
+
+  CLEANUP_TEST:
+    return result;
+}
+
+CAIRO_TEST (xlib_surface,
+	    "Check creating surfaces for various XWindows",
+	    "xlib", /* keywords */
+	    NULL, /* requirements */
+	    0, 0,
+	    preamble, NULL)