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-rw-r--r--boilerplate/cairo-boilerplate-pdf-private.h5
-rw-r--r--boilerplate/cairo-boilerplate-pdf.c26
-rw-r--r--boilerplate/cairo-boilerplate-ps-private.h5
-rw-r--r--boilerplate/cairo-boilerplate-ps.c29
-rw-r--r--boilerplate/cairo-boilerplate-svg-private.h5
-rw-r--r--boilerplate/cairo-boilerplate-svg.c26
-rw-r--r--boilerplate/cairo-boilerplate-test-surfaces-private.h5
-rw-r--r--boilerplate/cairo-boilerplate-test-surfaces.c58
-rw-r--r--boilerplate/cairo-boilerplate-win32-printing.c26
-rw-r--r--boilerplate/cairo-boilerplate-win32-private.h5
-rw-r--r--boilerplate/cairo-boilerplate.c135
-rw-r--r--boilerplate/cairo-boilerplate.h62
-rw-r--r--test/buffer-diff.c327
-rw-r--r--test/buffer-diff.h38
-rw-r--r--test/cairo-test.c160
-rw-r--r--test/cairo-test.h4
-rw-r--r--test/imagediff.c2
-rw-r--r--test/xlib-expose-event.c10
18 files changed, 721 insertions, 207 deletions
diff --git a/boilerplate/cairo-boilerplate-pdf-private.h b/boilerplate/cairo-boilerplate-pdf-private.h
index a792cc40..69f8da30 100644
--- a/boilerplate/cairo-boilerplate-pdf-private.h
+++ b/boilerplate/cairo-boilerplate-pdf-private.h
@@ -44,4 +44,9 @@ _cairo_boilerplate_pdf_cleanup (void *closure);
cairo_status_t
_cairo_boilerplate_pdf_surface_write_to_png (cairo_surface_t *surface, const char *filename);
+cairo_surface_t *
+_cairo_boilerplate_pdf_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height);
+
#endif
diff --git a/boilerplate/cairo-boilerplate-pdf.c b/boilerplate/cairo-boilerplate-pdf.c
index 84e9f3e5..dc76435a 100644
--- a/boilerplate/cairo-boilerplate-pdf.c
+++ b/boilerplate/cairo-boilerplate-pdf.c
@@ -152,6 +152,32 @@ _cairo_boilerplate_pdf_surface_write_to_png (cairo_surface_t *surface, const cha
return CAIRO_STATUS_SUCCESS;
}
+cairo_surface_t *
+_cairo_boilerplate_pdf_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height)
+{
+ pdf_target_closure_t *ptc = cairo_surface_get_user_data (surface,
+ &pdf_closure_key);
+ char *filename;
+ cairo_status_t status;
+
+ xasprintf (&filename, "%s.png", ptc->filename);
+ status = _cairo_boilerplate_pdf_surface_write_to_png (surface, filename);
+ if (status)
+ return cairo_boilerplate_surface_create_in_error (status);
+
+ surface = cairo_boilerplate_get_image_surface_from_png (filename,
+ width,
+ height,
+ ptc->target == NULL);
+
+ remove (filename);
+ free (filename);
+
+ return surface;
+}
+
void
_cairo_boilerplate_pdf_cleanup (void *closure)
{
diff --git a/boilerplate/cairo-boilerplate-ps-private.h b/boilerplate/cairo-boilerplate-ps-private.h
index 07b15f69..7cd15bf6 100644
--- a/boilerplate/cairo-boilerplate-ps-private.h
+++ b/boilerplate/cairo-boilerplate-ps-private.h
@@ -44,4 +44,9 @@ _cairo_boilerplate_ps_cleanup (void *closure);
cairo_status_t
_cairo_boilerplate_ps_surface_write_to_png (cairo_surface_t *surface, const char *filename);
+cairo_surface_t *
+_cairo_boilerplate_ps_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height);
+
#endif
diff --git a/boilerplate/cairo-boilerplate-ps.c b/boilerplate/cairo-boilerplate-ps.c
index f5bd28c0..f21d1720 100644
--- a/boilerplate/cairo-boilerplate-ps.c
+++ b/boilerplate/cairo-boilerplate-ps.c
@@ -103,7 +103,8 @@ _cairo_boilerplate_ps_create_surface (const char *name,
cairo_status_t
_cairo_boilerplate_ps_surface_write_to_png (cairo_surface_t *surface, const char *filename)
{
- ps_target_closure_t *ptc = cairo_surface_get_user_data (surface, &ps_closure_key);
+ ps_target_closure_t *ptc = cairo_surface_get_user_data (surface,
+ &ps_closure_key);
char command[4096];
cairo_status_t status;
@@ -149,6 +150,32 @@ _cairo_boilerplate_ps_surface_write_to_png (cairo_surface_t *surface, const char
return CAIRO_STATUS_WRITE_ERROR;
}
+cairo_surface_t *
+_cairo_boilerplate_ps_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height)
+{
+ ps_target_closure_t *ptc = cairo_surface_get_user_data (surface,
+ &ps_closure_key);
+ char *filename;
+ cairo_status_t status;
+
+ xasprintf (&filename, "%s.png", ptc->filename);
+ status = _cairo_boilerplate_ps_surface_write_to_png (surface, filename);
+ if (status)
+ return cairo_boilerplate_surface_create_in_error (status);
+
+ surface = cairo_boilerplate_get_image_surface_from_png (filename,
+ width,
+ height,
+ ptc->target == NULL);
+
+ remove (filename);
+ free (filename);
+
+ return surface;
+}
+
void
_cairo_boilerplate_ps_cleanup (void *closure)
{
diff --git a/boilerplate/cairo-boilerplate-svg-private.h b/boilerplate/cairo-boilerplate-svg-private.h
index 4cf5f632..3f2856df 100644
--- a/boilerplate/cairo-boilerplate-svg-private.h
+++ b/boilerplate/cairo-boilerplate-svg-private.h
@@ -44,4 +44,9 @@ _cairo_boilerplate_svg_cleanup (void *closure);
cairo_status_t
_cairo_boilerplate_svg_surface_write_to_png (cairo_surface_t *surface, const char *filename);
+cairo_surface_t *
+_cairo_boilerplate_svg_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height);
+
#endif
diff --git a/boilerplate/cairo-boilerplate-svg.c b/boilerplate/cairo-boilerplate-svg.c
index 1772988d..d931847f 100644
--- a/boilerplate/cairo-boilerplate-svg.c
+++ b/boilerplate/cairo-boilerplate-svg.c
@@ -145,6 +145,32 @@ _cairo_boilerplate_svg_surface_write_to_png (cairo_surface_t *surface, const cha
return CAIRO_STATUS_SUCCESS;
}
+cairo_surface_t *
+_cairo_boilerplate_svg_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height)
+{
+ svg_target_closure_t *ptc = cairo_surface_get_user_data (surface,
+ &svg_closure_key);
+ char *filename;
+ cairo_status_t status;
+
+ xasprintf (&filename, "%s.png", ptc->filename);
+ status = _cairo_boilerplate_svg_surface_write_to_png (surface, filename);
+ if (status)
+ return cairo_boilerplate_surface_create_in_error (status);
+
+ surface = cairo_boilerplate_get_image_surface_from_png (filename,
+ width,
+ height,
+ FALSE);
+
+ remove (filename);
+ free (filename);
+
+ return surface;
+}
+
void
_cairo_boilerplate_svg_cleanup (void *closure)
{
diff --git a/boilerplate/cairo-boilerplate-test-surfaces-private.h b/boilerplate/cairo-boilerplate-test-surfaces-private.h
index 0b2bebcb..ed6cb5b9 100644
--- a/boilerplate/cairo-boilerplate-test-surfaces-private.h
+++ b/boilerplate/cairo-boilerplate-test-surfaces-private.h
@@ -66,6 +66,11 @@ cairo_status_t
_cairo_boilerplate_test_paginated_surface_write_to_png (cairo_surface_t *surface,
const char *filename);
+cairo_surface_t *
+_cairo_boilerplate_test_paginated_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height);
+
void
_cairo_boilerplate_test_paginated_cleanup (void *closure);
diff --git a/boilerplate/cairo-boilerplate-test-surfaces.c b/boilerplate/cairo-boilerplate-test-surfaces.c
index f38dda95..297faffe 100644
--- a/boilerplate/cairo-boilerplate-test-surfaces.c
+++ b/boilerplate/cairo-boilerplate-test-surfaces.c
@@ -85,23 +85,25 @@ _cairo_boilerplate_test_paginated_create_surface (const char *name,
void **closure)
{
test_paginated_closure_t *tpc;
+ cairo_format_t format;
cairo_surface_t *surface;
cairo_status_t status;
*closure = tpc = xmalloc (sizeof (test_paginated_closure_t));
+ format = cairo_boilerplate_format_from_content (content);
+
tpc->content = content;
tpc->width = width;
tpc->height = height;
- tpc->stride = width * 4;
-
- tpc->data = xcalloc (tpc->stride * height, 1);
+ tpc->stride = cairo_format_stride_for_width (format, width);
+ tpc->data = xcalloc (tpc->stride, height);
surface = _cairo_test_paginated_surface_create_for_data (tpc->data,
- tpc->content,
- tpc->width,
- tpc->height,
- tpc->stride);
+ tpc->content,
+ tpc->width,
+ tpc->height,
+ tpc->stride);
if (cairo_surface_status (surface))
goto CLEANUP;
@@ -162,6 +164,48 @@ _cairo_boilerplate_test_paginated_surface_write_to_png (cairo_surface_t *surface
return status;
}
+cairo_surface_t *
+_cairo_boilerplate_test_paginated_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height)
+{
+ cairo_format_t format;
+ test_paginated_closure_t *tpc;
+ cairo_status_t status;
+
+ /* show page first. the automatic show_page is too late for us */
+ cairo_surface_show_page (surface);
+ status = cairo_surface_status (surface);
+ if (status)
+ return cairo_boilerplate_surface_create_in_error (status);
+
+ tpc = cairo_surface_get_user_data (surface, &test_paginated_closure_key);
+
+ format = cairo_boilerplate_format_from_content (tpc->content);
+
+ if (0) {
+ return cairo_image_surface_create_for_data (tpc->data + tpc->stride * (tpc->height - height) + 4 * (tpc->width - width), /* hide the device offset */
+ format,
+ width,
+ height,
+ tpc->stride);
+ } else {
+ cairo_surface_t *image, *surface;
+
+ image = cairo_image_surface_create_for_data (tpc->data,
+ format,
+ tpc->width,
+ tpc->height,
+ tpc->stride);
+ cairo_surface_set_device_offset (image,
+ tpc->width - width,
+ tpc->height - height);
+ surface = _cairo_boilerplate_get_image_surface (image, width, height);
+ cairo_surface_destroy (image);
+ return surface;
+ }
+}
+
void
_cairo_boilerplate_test_paginated_cleanup (void *closure)
{
diff --git a/boilerplate/cairo-boilerplate-win32-printing.c b/boilerplate/cairo-boilerplate-win32-printing.c
index 617b0871..691552d1 100644
--- a/boilerplate/cairo-boilerplate-win32-printing.c
+++ b/boilerplate/cairo-boilerplate-win32-printing.c
@@ -298,6 +298,32 @@ _cairo_boilerplate_win32_printing_surface_write_to_png (cairo_surface_t *surface
return CAIRO_STATUS_SUCCESS;
}
+cairo_surface_t *
+_cairo_boilerplate_win32_printing_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height)
+{
+ win32_target_closure_t *ptc = cairo_surface_get_user_data (surface,
+ &win32_closure_key);
+ char *filename;
+ cairo_status_t status;
+
+ xasprintf (&filename, "%s.png", ptc->filename);
+ status = _cairo_boilerplate_win32_printing_surface_write_to_png (surface, filename);
+ if (status)
+ return cairo_boilerplate_surface_create_in_error (status);
+
+ surface = cairo_boilerplate_get_image_surface_from_png (filename,
+ width,
+ height,
+ ptc->target == NULL);
+
+ remove (filename);
+ free (filename);
+
+ return surface;
+}
+
void
_cairo_boilerplate_win32_printing_cleanup (void *closure)
{
diff --git a/boilerplate/cairo-boilerplate-win32-private.h b/boilerplate/cairo-boilerplate-win32-private.h
index b982b2ab..093ca9b9 100644
--- a/boilerplate/cairo-boilerplate-win32-private.h
+++ b/boilerplate/cairo-boilerplate-win32-private.h
@@ -56,4 +56,9 @@ cairo_status_t
_cairo_boilerplate_win32_printing_surface_write_to_png (cairo_surface_t *surface,
const char *filename);
+cairo_surface_t *
+_cairo_boilerplate_win32_printing_get_image_surface (cairo_surface_t *surface,
+ int width,
+ int height);
+
#endif
diff --git a/boilerplate/cairo-boilerplate.c b/boilerplate/cairo-boilerplate.c
index c0af5bdd..0ddcde5c 100644
--- a/boilerplate/cairo-boilerplate.c
+++ b/boilerplate/cairo-boilerplate.c
@@ -140,6 +140,106 @@ _cairo_boilerplate_image_create_surface (const char *name,
return cairo_image_surface_create (format, width, height);
}
+cairo_surface_t *
+_cairo_boilerplate_get_image_surface (cairo_surface_t *src,
+ int width,
+ int height)
+{
+ cairo_surface_t *surface;
+ cairo_t *cr;
+
+#if 0
+ if (cairo_surface_get_type (src) == CAIRO_SURFACE_TYPE_IMAGE) {
+ int ww = cairo_image_surface_get_width (src);
+ int hh = cairo_image_surface_get_height (src);
+ if (width == ww && hh == height) {
+ return cairo_surface_reference (src);
+ } else {
+ cairo_format_t format = cairo_image_surface_get_format (src);
+ unsigned char *data = cairo_image_surface_get_data (src);
+ int stride = cairo_image_surface_get_stride (src);
+
+ data += stride * (hh - height) + 4 * (ww - width);
+ return cairo_image_surface_create_for_data (data,
+ format,
+ width,
+ height,
+ stride);
+ }
+ }
+#endif
+
+ /* extract sub-surface */
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
+ cr = cairo_create (surface);
+ cairo_surface_destroy (surface);
+
+ cairo_set_source_surface (cr, src, 0, 0);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_paint (cr);
+
+ surface = cairo_surface_reference (cairo_get_target (cr));
+ cairo_destroy (cr);
+
+ return surface;
+}
+
+cairo_surface_t *
+cairo_boilerplate_get_image_surface_from_png (const char *filename,
+ int width,
+ int height,
+ cairo_bool_t flatten)
+{
+ cairo_surface_t *surface;
+
+ surface = cairo_image_surface_create_from_png (filename);
+
+ if (flatten) {
+ cairo_t *cr;
+ cairo_surface_t *flattened;
+
+ flattened = cairo_image_surface_create (cairo_image_surface_get_format (surface),
+ width,
+ height);
+ cr = cairo_create (flattened);
+ cairo_surface_destroy (flattened);
+
+ cairo_set_source_rgb (cr, 1, 1, 1);
+ cairo_paint (cr);
+
+ cairo_set_source_surface (cr, surface,
+ width - cairo_image_surface_get_width (surface),
+ height - cairo_image_surface_get_height (surface));
+ cairo_paint (cr);
+
+ cairo_surface_destroy (surface);
+ surface = cairo_surface_reference (cairo_get_target (cr));
+ cairo_destroy (cr);
+ } else if (cairo_image_surface_get_width (surface) != width ||
+ cairo_image_surface_get_height (surface) != height)
+ {
+ cairo_t *cr;
+ cairo_surface_t *sub;
+
+ sub = cairo_image_surface_create (cairo_image_surface_get_format (surface),
+ width,
+ height);
+ cr = cairo_create (sub);
+ cairo_surface_destroy (sub);
+
+ cairo_set_source_surface (cr, surface,
+ width - cairo_image_surface_get_width (surface),
+ height - cairo_image_surface_get_height (surface));
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_paint (cr);
+
+ cairo_surface_destroy (surface);
+ surface = cairo_surface_reference (cairo_get_target (cr));
+ cairo_destroy (cr);
+ }
+
+ return surface;
+}
static cairo_boilerplate_target_t targets[] =
{
@@ -148,35 +248,43 @@ static cairo_boilerplate_target_t targets[] =
* our control here. */
{ "image", CAIRO_SURFACE_TYPE_IMAGE, CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_image_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
{ "image", CAIRO_SURFACE_TYPE_IMAGE, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_image_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
#ifdef CAIRO_HAS_TEST_SURFACES
{ "test-fallback", CAIRO_INTERNAL_SURFACE_TYPE_TEST_FALLBACK,
CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_test_fallback_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
{ "test-fallback", CAIRO_INTERNAL_SURFACE_TYPE_TEST_FALLBACK,
CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_test_fallback_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
{ "test-meta", CAIRO_INTERNAL_SURFACE_TYPE_TEST_META,
CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_test_meta_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
{ "test-meta", CAIRO_INTERNAL_SURFACE_TYPE_TEST_META,
CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_test_meta_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
{ "test-paginated", CAIRO_INTERNAL_SURFACE_TYPE_TEST_PAGINATED,
CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_test_paginated_create_surface,
+ _cairo_boilerplate_test_paginated_get_image_surface,
_cairo_boilerplate_test_paginated_surface_write_to_png,
_cairo_boilerplate_test_paginated_cleanup },
{ "test-paginated", CAIRO_INTERNAL_SURFACE_TYPE_TEST_PAGINATED,
CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_test_paginated_create_surface,
+ _cairo_boilerplate_test_paginated_get_image_surface,
_cairo_boilerplate_test_paginated_surface_write_to_png,
_cairo_boilerplate_test_paginated_cleanup },
#endif
@@ -184,30 +292,36 @@ static cairo_boilerplate_target_t targets[] =
#if CAIRO_CAN_TEST_GLITZ_GLX_SURFACE
{ "glitz-glx", CAIRO_SURFACE_TYPE_GLITZ,CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_glitz_glx_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_glitz_glx_cleanup },
{ "glitz-glx", CAIRO_SURFACE_TYPE_GLITZ, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_glitz_glx_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_glitz_glx_cleanup },
#endif
#if CAIRO_CAN_TEST_GLITZ_AGL_SURFACE
{ "glitz-agl", CAIRO_SURFACE_TYPE_GLITZ, CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_glitz_agl_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_glitz_agl_cleanup },
{ "glitz-agl", CAIRO_SURFACE_TYPE_GLITZ, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_glitz_agl_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_glitz_agl_cleanup },
#endif
#if CAIRO_CAN_TEST_GLITZ_WGL_SURFACE
{ "glitz-wgl", CAIRO_SURFACE_TYPE_GLITZ, CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_glitz_wgl_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_glitz_wgl_cleanup },
{ "glitz-wgl", CAIRO_SURFACE_TYPE_GLITZ, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_glitz_wgl_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_glitz_wgl_cleanup },
#endif
@@ -215,32 +329,38 @@ static cairo_boilerplate_target_t targets[] =
#if CAIRO_HAS_QUARTZ_SURFACE
{ "quartz", CAIRO_SURFACE_TYPE_QUARTZ, CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_quartz_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_quartz_cleanup },
{ "quartz", CAIRO_SURFACE_TYPE_QUARTZ, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_quartz_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_quartz_cleanup },
#endif
#if CAIRO_HAS_WIN32_SURFACE
{ "win32", CAIRO_SURFACE_TYPE_WIN32, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_win32_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
/* Testing the win32 surface isn't interesting, since for
* ARGB images it just chains to the image backend
*/
{ "win32", CAIRO_SURFACE_TYPE_WIN32, CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_win32_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png },
#if CAIRO_CAN_TEST_WIN32_PRINTING_SURFACE
{ "win32-printing", CAIRO_SURFACE_TYPE_WIN32_PRINTING,
CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED, 0,
_cairo_boilerplate_win32_printing_create_surface,
+ _cairo_boilerplate_win32_printing_get_image_surface,
_cairo_boilerplate_win32_printing_surface_write_to_png,
_cairo_boilerplate_win32_printing_cleanup,
NULL, TRUE },
{ "win32-printing", CAIRO_INTERNAL_SURFACE_TYPE_META, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_win32_printing_create_surface,
+ _cairo_boilerplate_win32_printing_get_image_surface,
_cairo_boilerplate_win32_printing_surface_write_to_png,
_cairo_boilerplate_win32_printing_cleanup,
NULL, TRUE },
@@ -251,6 +371,7 @@ static cairo_boilerplate_target_t targets[] =
* bit, so we set the error tolerance to 1. */
{ "xcb", CAIRO_SURFACE_TYPE_XCB, CAIRO_CONTENT_COLOR_ALPHA, 1,
_cairo_boilerplate_xcb_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_xcb_cleanup,
_cairo_boilerplate_xcb_synchronize},
@@ -260,11 +381,13 @@ static cairo_boilerplate_target_t targets[] =
* bit, so we set the error tolerance to 1. */
{ "xlib", CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR_ALPHA, 1,
_cairo_boilerplate_xlib_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_xlib_cleanup,
_cairo_boilerplate_xlib_synchronize},
{ "xlib", CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR, 1,
_cairo_boilerplate_xlib_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_xlib_cleanup,
_cairo_boilerplate_xlib_synchronize},
@@ -274,6 +397,7 @@ static cairo_boilerplate_target_t targets[] =
* the Render extension. */
{ "xlib-fallback", CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR, 1,
_cairo_boilerplate_xlib_fallback_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_xlib_cleanup,
_cairo_boilerplate_xlib_synchronize},
@@ -282,11 +406,13 @@ static cairo_boilerplate_target_t targets[] =
{ "ps", CAIRO_SURFACE_TYPE_PS,
CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED, 0,
_cairo_boilerplate_ps_create_surface,
+ _cairo_boilerplate_ps_get_image_surface,
_cairo_boilerplate_ps_surface_write_to_png,
_cairo_boilerplate_ps_cleanup,
NULL, TRUE },
{ "ps", CAIRO_INTERNAL_SURFACE_TYPE_META, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_ps_create_surface,
+ _cairo_boilerplate_ps_get_image_surface,
_cairo_boilerplate_ps_surface_write_to_png,
_cairo_boilerplate_ps_cleanup,
NULL, TRUE },
@@ -295,11 +421,13 @@ static cairo_boilerplate_target_t targets[] =
{ "pdf", CAIRO_SURFACE_TYPE_PDF,
CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED, 0,
_cairo_boilerplate_pdf_create_surface,
+ _cairo_boilerplate_pdf_get_image_surface,
_cairo_boilerplate_pdf_surface_write_to_png,
_cairo_boilerplate_pdf_cleanup,
NULL, TRUE },
{ "pdf", CAIRO_INTERNAL_SURFACE_TYPE_META, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_pdf_create_surface,
+ _cairo_boilerplate_pdf_get_image_surface,
_cairo_boilerplate_pdf_surface_write_to_png,
_cairo_boilerplate_pdf_cleanup,
NULL, TRUE },
@@ -312,11 +440,13 @@ static cairo_boilerplate_target_t targets[] =
* For now just set the svg error tolerance to 1. */
{ "svg", CAIRO_SURFACE_TYPE_SVG, CAIRO_CONTENT_COLOR_ALPHA, 1,
_cairo_boilerplate_svg_create_surface,
+ _cairo_boilerplate_svg_get_image_surface,
_cairo_boilerplate_svg_surface_write_to_png,
_cairo_boilerplate_svg_cleanup,
NULL, TRUE },
{ "svg", CAIRO_INTERNAL_SURFACE_TYPE_META, CAIRO_CONTENT_COLOR, 1,
_cairo_boilerplate_svg_create_surface,
+ _cairo_boilerplate_svg_get_image_surface,
_cairo_boilerplate_svg_surface_write_to_png,
_cairo_boilerplate_svg_cleanup,
NULL, TRUE },
@@ -327,14 +457,17 @@ static cairo_boilerplate_target_t targets[] =
* Just ignore the small difference. */
{ "beos", CAIRO_SURFACE_TYPE_BEOS, CAIRO_CONTENT_COLOR, 1,
_cairo_boilerplate_beos_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_beos_cleanup},
{ "beos-bitmap", CAIRO_SURFACE_TYPE_BEOS, CAIRO_CONTENT_COLOR, 1,
_cairo_boilerplate_beos_create_surface_for_bitmap,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_beos_cleanup_bitmap},
{ "beos-bitmap", CAIRO_SURFACE_TYPE_BEOS, CAIRO_CONTENT_COLOR_ALPHA, 1,
_cairo_boilerplate_beos_create_surface_for_bitmap,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_beos_cleanup_bitmap},
#endif
@@ -343,10 +476,12 @@ static cairo_boilerplate_target_t targets[] =
#if CAIRO_HAS_DIRECTFB_SURFACE
{ "directfb", CAIRO_SURFACE_TYPE_DIRECTFB, CAIRO_CONTENT_COLOR, 0,
_cairo_boilerplate_directfb_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_directfb_cleanup},
{ "directfb-bitmap", CAIRO_SURFACE_TYPE_DIRECTFB, CAIRO_CONTENT_COLOR_ALPHA, 0,
_cairo_boilerplate_directfb_create_surface,
+ _cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
_cairo_boilerplate_directfb_cleanup},
#endif
diff --git a/boilerplate/cairo-boilerplate.h b/boilerplate/cairo-boilerplate.h
index 8031df8e..ccd30ffb 100644
--- a/boilerplate/cairo-boilerplate.h
+++ b/boilerplate/cairo-boilerplate.h
@@ -51,22 +51,23 @@
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
-# ifndef HAVE_UINT64_T
-# define HAVE_UINT64_T 1
-# endif
-# ifndef INT16_MIN
-# define INT16_MIN (-32767-1)
-# endif
-# ifndef INT16_MAX
-# define INT16_MAX (32767)
-# endif
-# ifndef UINT16_MAX
-# define UINT16_MAX (65535)
-# endif
#else
#error Cannot find definitions for fixed-width integral types (uint8_t, uint32_t, etc.)
#endif
+#ifndef HAVE_UINT64_T
+# define HAVE_UINT64_T 1
+#endif
+#ifndef INT16_MIN
+# define INT16_MIN (-32767-1)
+#endif
+#ifndef INT16_MAX
+# define INT16_MAX (32767)
+#endif
+#ifndef UINT16_MAX
+# define UINT16_MAX (65535)
+#endif
+
#ifndef CAIRO_BOILERPLATE_LOG
#define CAIRO_BOILERPLATE_LOG(...) fprintf(stderr, __VA_ARGS__)
#endif
@@ -120,8 +121,14 @@ typedef cairo_surface_t *
int id,
void **closure);
+typedef cairo_surface_t *
+(*cairo_boilerplate_get_image_surface_t) (cairo_surface_t *surface,
+ int width,
+ int height);
+
typedef cairo_status_t
-(*cairo_boilerplate_write_to_png_t) (cairo_surface_t *surface, const char *filename);
+(*cairo_boilerplate_write_to_png_t) (cairo_surface_t *surface,
+ const char *filename);
typedef void
(*cairo_boilerplate_cleanup_t) (void *closure);
@@ -131,15 +138,16 @@ typedef void
typedef struct _cairo_boilerplate_target
{
- const char *name;
- cairo_surface_type_t expected_type;
- cairo_content_t content;
- unsigned int error_tolerance;
- cairo_boilerplate_create_surface_t create_surface;
- cairo_boilerplate_write_to_png_t write_to_png;
- cairo_boilerplate_cleanup_t cleanup;
- cairo_boilerplate_wait_t synchronize;
- cairo_bool_t is_vector;
+ const char *name;
+ cairo_surface_type_t expected_type;
+ cairo_content_t content;
+ unsigned int error_tolerance;
+ cairo_boilerplate_create_surface_t create_surface;
+ cairo_boilerplate_get_image_surface_t get_image_surface;
+ cairo_boilerplate_write_to_png_t write_to_png;
+ cairo_boilerplate_cleanup_t cleanup;
+ cairo_boilerplate_wait_t synchronize;
+ cairo_bool_t is_vector;
} cairo_boilerplate_target_t;
cairo_boilerplate_target_t **
@@ -149,6 +157,16 @@ void
cairo_boilerplate_free_targets (cairo_boilerplate_target_t **targets);
cairo_surface_t *
+_cairo_boilerplate_get_image_surface (cairo_surface_t *src,
+ int width,
+ int height);
+cairo_surface_t *
+cairo_boilerplate_get_image_surface_from_png (const char *filename,
+ int width,
+ int height,
+ cairo_bool_t flatten);
+
+cairo_surface_t *
cairo_boilerplate_surface_create_in_error (cairo_status_t status);
#include "xmalloc.h"
diff --git a/test/buffer-diff.c b/test/buffer-diff.c
index ef708761..b656b112 100644
--- a/test/buffer-diff.c
+++ b/test/buffer-diff.c
@@ -64,28 +64,28 @@ xunlink (const cairo_test_context_t *ctx, const char *pathname)
* cairo_format_t instead of taking a mask as a parameter.
*/
static void
-buffer_diff_core (unsigned char *_buf_a,
- unsigned char *_buf_b,
- unsigned char *_buf_diff,
+buffer_diff_core (const unsigned char *_buf_a, int stride_a,
+ const unsigned char *_buf_b, int stride_b,
+ unsigned char *_buf_diff, int stride_diff,
int width,
int height,
- int stride,
uint32_t mask,
buffer_diff_result_t *result_ret)
{
+ const uint32_t *buf_a = (const uint32_t*) _buf_a;
+ const uint32_t *buf_b = (const uint32_t*) _buf_b;
+ uint32_t *buf_diff = (uint32_t*) _buf_diff;
int x, y;
- uint32_t *row_a, *row_b, *row;
buffer_diff_result_t result = {0, 0};
- uint32_t *buf_a = (uint32_t*)_buf_a;
- uint32_t *buf_b = (uint32_t*)_buf_b;
- uint32_t *buf_diff = (uint32_t*)_buf_diff;
- stride /= sizeof(uint32_t);
+ stride_a /= sizeof (uint32_t);
+ stride_b /= sizeof (uint32_t);
+ stride_diff /= sizeof (uint32_t);
for (y = 0; y < height; y++)
{
- row_a = buf_a + y * stride;
- row_b = buf_b + y * stride;
- row = buf_diff + y * stride;
+ const uint32_t *row_a = buf_a + y * stride_a;
+ const uint32_t *row_b = buf_b + y * stride_b;
+ uint32_t *row = buf_diff + y * stride_diff;
for (x = 0; x < width; x++)
{
/* check if the pixels are the same */
@@ -121,7 +121,15 @@ buffer_diff_core (unsigned char *_buf_a,
*result_ret = result;
}
-void
+/* Compares two image surfaces
+ *
+ * Provides number of pixels changed and maximum single-channel
+ * difference in result.
+ *
+ * Also fills in a "diff" surface intended to visually show where the
+ * images differ.
+ */
+static void
compare_surfaces (const cairo_test_context_t *ctx,
cairo_surface_t *surface_a,
cairo_surface_t *surface_b,
@@ -141,12 +149,14 @@ compare_surfaces (const cairo_test_context_t *ctx,
* runs about 3x slower if we run pdiff_compare first).
*/
buffer_diff_core (cairo_image_surface_get_data (surface_a),
+ cairo_image_surface_get_stride (surface_a),
cairo_image_surface_get_data (surface_b),
+ cairo_image_surface_get_stride (surface_b),
cairo_image_surface_get_data (surface_diff),
+ cairo_image_surface_get_stride (surface_diff),
cairo_image_surface_get_width (surface_a),
cairo_image_surface_get_height (surface_a),
- cairo_image_surface_get_stride (surface_a),
- 0xffffffff,
+ cairo_surface_get_content (surface_a) & CAIRO_CONTENT_ALPHA ? 0xffffffff : 0x00ffffff,
result);
if (result->pixels_changed == 0)
return;
@@ -176,16 +186,19 @@ compare_surfaces (const cairo_test_context_t *ctx,
}
void
-buffer_diff_noalpha (unsigned char *buf_a,
- unsigned char *buf_b,
+buffer_diff_noalpha (const unsigned char *buf_a,
+ const unsigned char *buf_b,
unsigned char *buf_diff,
int width,
int height,
int stride,
buffer_diff_result_t *result)
{
- buffer_diff_core(buf_a, buf_b, buf_diff,
- width, height, stride, 0x00ffffff,
+ buffer_diff_core(buf_a, stride,
+ buf_b, stride,
+ buf_diff, stride,
+ width, height,
+ 0x00ffffff,
result);
}
@@ -271,6 +284,21 @@ extract_sub_surface (const cairo_test_context_t *ctx,
cairo_destroy (cr);
}
+static cairo_bool_t
+same_size (cairo_surface_t *a, cairo_surface_t *b)
+{
+ unsigned int width_a, height_a;
+ unsigned int width_b, height_b;
+
+ width_a = cairo_image_surface_get_width (a);
+ height_a = cairo_image_surface_get_height (a);
+
+ width_b = cairo_image_surface_get_width (b);
+ height_b = cairo_image_surface_get_height (b);
+
+ return width_a == width_b && height_a == height_b;
+}
+
/* Image comparison code courtesy of Richard Worth <richard@theworths.org>
* Returns number of pixels changed, (or -1 on error).
* Also saves a "diff" image intended to visually show where the
@@ -286,22 +314,80 @@ extract_sub_surface (const cairo_test_context_t *ctx,
* CAIRO_STATUS_SURFACE_TYPE_MISMATCH (which is a bit of an abuse, but
* oh well).
*/
+cairo_status_t
+image_diff (const cairo_test_context_t *ctx,
+ cairo_surface_t *surface_a,
+ cairo_surface_t *surface_b,
+ cairo_surface_t *surface_diff,
+ buffer_diff_result_t *result)
+{
+ if (cairo_surface_status (surface_a))
+ return cairo_surface_status (surface_a);
+
+ if (cairo_surface_status (surface_b))
+ return cairo_surface_status (surface_b);
+
+ if (cairo_surface_status (surface_diff))
+ return cairo_surface_status (surface_diff);
+
+ if (! same_size (surface_a, surface_b) ||
+ ! same_size (surface_a, surface_diff))
+ {
+ cairo_test_log (ctx, "Error: Image size mismatch\n");
+ return CAIRO_STATUS_SURFACE_TYPE_MISMATCH;
+ }
+
+ compare_surfaces (ctx, surface_a, surface_b, surface_diff, result);
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
static cairo_status_t
-image_diff_core (const cairo_test_context_t *ctx,
- const char *filename_a,
- const char *filename_b,
- const char *filename_diff,
- int ax,
- int ay,
- int bx,
- int by,
- buffer_diff_result_t *result,
- cairo_bool_t flatten)
+write_png (cairo_surface_t *surface, const char *filename)
{
cairo_status_t status;
- unsigned int width_a, height_a, stride_a;
- unsigned int width_b, height_b, stride_b;
- cairo_surface_t *surface_a, *surface_b, *surface_diff;
+ FILE *png_file;
+
+ if (filename != NULL) {
+ png_file = fopen (filename, "wb");
+ if (png_file == NULL) {
+ switch (errno) {
+ case ENOMEM:
+ return CAIRO_STATUS_NO_MEMORY;
+ default:
+ return CAIRO_STATUS_WRITE_ERROR;
+ }
+ }
+ } else
+ png_file = stdout;
+
+ status = cairo_surface_write_to_png_stream (surface,
+ stdio_write_func,
+ png_file);
+
+ if (png_file != stdout)
+ fclose (png_file);
+
+ return status;
+}
+
+
+
+cairo_status_t
+png_diff (const cairo_test_context_t *ctx,
+ const char *filename_a,
+ const char *filename_b,
+ const char *filename_diff,
+ int ax,
+ int ay,
+ int bx,
+ int by,
+ buffer_diff_result_t *result)
+{
+ cairo_surface_t *surface_a;
+ cairo_surface_t *surface_b;
+ cairo_surface_t *surface_diff;
+ cairo_status_t status;
surface_a = cairo_image_surface_create_from_png (filename_a);
status = cairo_surface_status (surface_a);
@@ -320,12 +406,6 @@ image_diff_core (const cairo_test_context_t *ctx,
return status;
}
- if (flatten) {
- flatten_surface (ctx, &surface_a, ax, ay);
- flatten_surface (ctx, &surface_b, bx, by);
- ax = ay = bx = by = 0;
- }
-
if (ax || ay) {
extract_sub_surface (ctx, &surface_a, ax, ay);
ax = ay = 0;
@@ -353,29 +433,92 @@ image_diff_core (const cairo_test_context_t *ctx,
return status;
}
- width_a = cairo_image_surface_get_width (surface_a);
- height_a = cairo_image_surface_get_height (surface_a);
- stride_a = cairo_image_surface_get_stride (surface_a);
- width_b = cairo_image_surface_get_width (surface_b);
- height_b = cairo_image_surface_get_height (surface_b);
- stride_b = cairo_image_surface_get_stride (surface_b);
+ surface_diff = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ cairo_image_surface_get_width (surface_a),
+ cairo_image_surface_get_height (surface_a));
+ status = cairo_surface_status (surface_diff);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to allocate surface to hold differences\n");
+ cairo_surface_destroy (surface_a);
+ cairo_surface_destroy (surface_b);
+ return CAIRO_STATUS_NO_MEMORY;
+ }
+
+ status = image_diff (ctx,
+ surface_a, surface_b, surface_diff,
+ result);
- if (width_a != width_b ||
- height_a != height_b ||
- stride_a != stride_b)
+ cairo_surface_destroy (surface_a);
+ cairo_surface_destroy (surface_b);
+ cairo_surface_destroy (surface_diff);
+
+ xunlink (ctx, filename_diff);
+ if (status == CAIRO_STATUS_SUCCESS &&
+ result->pixels_changed)
{
- cairo_test_log (ctx, "Error: Image size mismatch: (%dx%d) vs. (%dx%d)\n"
- " for %s vs. %s\n",
- width_a, height_a,
- width_b, height_b,
- filename_a, filename_b);
+ status = write_png (surface_diff, filename_diff);
+ }
+
+
+ return status;
+}
+
+cairo_status_t
+png_diff_flattened (const cairo_test_context_t *ctx,
+ const char *filename_a,
+ const char *filename_b,
+ const char *filename_diff,
+ int ax,
+ int ay,
+ int bx,
+ int by,
+ buffer_diff_result_t *result)
+{
+ cairo_surface_t *surface_a;
+ cairo_surface_t *surface_b;
+ cairo_surface_t *surface_diff;
+ cairo_status_t status;
+
+ surface_a = cairo_image_surface_create_from_png (filename_a);
+ status = cairo_surface_status (surface_a);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to create surface from %s: %s\n",
+ filename_a, cairo_status_to_string (status));
+ return status;
+ }
+
+ surface_b = cairo_image_surface_create_from_png (filename_b);
+ status = cairo_surface_status (surface_b);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to create surface from %s: %s\n",
+ filename_b, cairo_status_to_string (status));
+ cairo_surface_destroy (surface_a);
+ return status;
+ }
+
+ flatten_surface (ctx, &surface_a, ax, ay);
+ flatten_surface (ctx, &surface_b, bx, by);
+
+ status = cairo_surface_status (surface_a);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to extract surface from %s: %s\n",
+ filename_a, cairo_status_to_string (status));
cairo_surface_destroy (surface_a);
cairo_surface_destroy (surface_b);
- return CAIRO_STATUS_SURFACE_TYPE_MISMATCH;
+ return status;
+ }
+ status = cairo_surface_status (surface_b);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to extract surface from %s: %s\n",
+ filename_b, cairo_status_to_string (status));
+ cairo_surface_destroy (surface_a);
+ cairo_surface_destroy (surface_b);
+ return status;
}
surface_diff = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
- width_a, height_a);
+ cairo_image_surface_get_width (surface_a),
+ cairo_image_surface_get_height (surface_a));
status = cairo_surface_status (surface_diff);
if (status) {
cairo_test_log (ctx, "Error: Failed to allocate surface to hold differences\n");
@@ -384,41 +527,15 @@ image_diff_core (const cairo_test_context_t *ctx,
return CAIRO_STATUS_NO_MEMORY;
}
+ status = image_diff (ctx,
+ surface_a, surface_b, surface_diff,
+ result);
- compare_surfaces (ctx, surface_a, surface_b, surface_diff, result);
-
- status = CAIRO_STATUS_SUCCESS;
- if (result->pixels_changed) {
- FILE *png_file;
-
- if (filename_diff) {
- png_file = fopen (filename_diff, "wb");
- if (png_file == NULL) {
- int err = errno;
-
- cairo_surface_destroy (surface_a);
- cairo_surface_destroy (surface_b);
- cairo_surface_destroy (surface_diff);
-
- switch (err) {
- case ENOMEM:
- return CAIRO_STATUS_NO_MEMORY;
- default:
- return CAIRO_STATUS_WRITE_ERROR;
- }
- }
- } else
- png_file = stdout;
-
- status = cairo_surface_write_to_png_stream (surface_diff,
- stdio_write_func,
- png_file);
-
- if (png_file != stdout)
- fclose (png_file);
- } else {
- if (filename_diff)
- xunlink (ctx, filename_diff);
+ xunlink (ctx, filename_diff);
+ if (status == CAIRO_STATUS_SUCCESS &&
+ result->pixels_changed)
+ {
+ status = write_png (surface_diff, filename_diff);
}
cairo_surface_destroy (surface_a);
@@ -427,37 +544,3 @@ image_diff_core (const cairo_test_context_t *ctx,
return status;
}
-
-cairo_status_t
-image_diff (const cairo_test_context_t *ctx,
- const char *filename_a,
- const char *filename_b,
- const char *filename_diff,
- int ax,
- int ay,
- int bx,
- int by,
- buffer_diff_result_t *result)
-{
- return image_diff_core (ctx,
- filename_a, filename_b, filename_diff,
- ax, ay, bx, by,
- result, FALSE);
-}
-
-cairo_status_t
-image_diff_flattened (const cairo_test_context_t *ctx,
- const char *filename_a,
- const char *filename_b,
- const char *filename_diff,
- int ax,
- int ay,
- int bx,
- int by,
- buffer_diff_result_t *result)
-{
- return image_diff_core (ctx,
- filename_a, filename_b, filename_diff,
- ax, ay, bx, by,
- result, TRUE);
-}
diff --git a/test/buffer-diff.h b/test/buffer-diff.h
index 61daa897..64bce920 100644
--- a/test/buffer-diff.h
+++ b/test/buffer-diff.h
@@ -36,21 +36,6 @@ typedef struct _buffer_diff_result {
unsigned int max_diff;
} buffer_diff_result_t;
-/* Compares two image surfaces
- *
- * Provides number of pixels changed and maximum single-channel
- * difference in result.
- *
- * Also fills in a "diff" surface intended to visually show where the
- * images differ.
- */
-void
-compare_surfaces (const cairo_test_context_t *ctx,
- cairo_surface_t *surface_a,
- cairo_surface_t *surface_b,
- cairo_surface_t *surface_diff,
- buffer_diff_result_t *result);
-
/* Compares two image buffers ignoring the alpha channel.
*
* Provides number of pixels changed and maximum single-channel
@@ -60,8 +45,8 @@ compare_surfaces (const cairo_test_context_t *ctx,
* images differ.
*/
void
-buffer_diff_noalpha (unsigned char *buf_a,
- unsigned char *buf_b,
+buffer_diff_noalpha (const unsigned char *buf_a,
+ const unsigned char *buf_b,
unsigned char *buf_diff,
int width,
int height,
@@ -82,7 +67,7 @@ buffer_diff_noalpha (unsigned char *buf_a,
* images differ.
*/
cairo_status_t
-image_diff (const cairo_test_context_t *ctx,
+png_diff (const cairo_test_context_t *ctx,
const char *filename_a,
const char *filename_b,
const char *filename_diff,
@@ -92,9 +77,9 @@ image_diff (const cairo_test_context_t *ctx,
int by,
buffer_diff_result_t *result);
-/* Like image_diff, but blending the contents of b over white first. */
+/* Like png_diff, but blending the contents of b over white first. */
cairo_status_t
-image_diff_flattened (const cairo_test_context_t *ctx,
+png_diff_flattened (const cairo_test_context_t *ctx,
const char *filename_a,
const char *filename_b,
const char *filename_diff,
@@ -104,4 +89,17 @@ image_diff_flattened (const cairo_test_context_t *ctx,
int by,
buffer_diff_result_t *result);
+/* The central algorithm to compare two images, and return the differences
+ * in the surface_diff.
+ *
+ * Provides number of pixels changed and maximum single-channel
+ * difference in result.
+ */
+cairo_status_t
+image_diff (const cairo_test_context_t *ctx,
+ cairo_surface_t *surface_a,
+ cairo_surface_t *surface_b,
+ cairo_surface_t *surface_diff,
+ buffer_diff_result_t *result);
+
#endif
diff --git a/test/cairo-test.c b/test/cairo-test.c
index 739a0276..79d6c2b4 100644
--- a/test/cairo-test.c
+++ b/test/cairo-test.c
@@ -134,6 +134,10 @@ _cairo_test_init (cairo_test_context_t *ctx,
ctx->refdir = getenv ("CAIRO_REF_DIR");
+ ctx->ref_name = NULL;
+ ctx->ref_image = NULL;
+ ctx->ref_image_flattened = NULL;
+
ctx->thread = 0;
{
@@ -174,6 +178,11 @@ cairo_test_fini (cairo_test_context_t *ctx)
fclose (ctx->log_file);
ctx->log_file = NULL;
+ if (ctx->ref_name != NULL)
+ free (ctx->ref_name);
+ cairo_surface_destroy (ctx->ref_image);
+ cairo_surface_destroy (ctx->ref_image_flattened);
+
cairo_boilerplate_free_targets (ctx->targets_to_test);
cairo_debug_reset_static_data ();
@@ -351,8 +360,75 @@ cairo_test_target_has_similar (const cairo_test_context_t *ctx,
return has_similar;
}
+static cairo_surface_t *
+_cairo_test_flatten_reference_image (cairo_test_context_t *ctx,
+ cairo_bool_t flatten)
+{
+ cairo_surface_t *surface;
+ cairo_t *cr;
+
+ if (! flatten)
+ return ctx->ref_image;
+
+ if (ctx->ref_image_flattened != NULL)
+ return ctx->ref_image_flattened;
+
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ cairo_image_surface_get_width (ctx->ref_image),
+ cairo_image_surface_get_height (ctx->ref_image));
+ cr = cairo_create (surface);
+ cairo_surface_destroy (surface);
+
+ cairo_set_source_rgb (cr, 1, 1, 1);
+ cairo_paint (cr);
+
+ cairo_set_source_surface (cr, ctx->ref_image, 0, 0);
+ cairo_paint (cr);
+
+ surface = cairo_surface_reference (cairo_get_target (cr));
+ cairo_destroy (cr);
+
+ if (cairo_surface_status (surface) == CAIRO_STATUS_SUCCESS)
+ ctx->ref_image_flattened = surface;
+ return surface;
+}
+
+static cairo_surface_t *
+cairo_test_get_reference_image (cairo_test_context_t *ctx,
+ const char *filename,
+ cairo_bool_t flatten)
+{
+ cairo_surface_t *surface;
+ int len;
+
+ if (ctx->ref_name != NULL) {
+ if (strcmp (ctx->ref_name, filename) == 0)
+ return _cairo_test_flatten_reference_image (ctx, flatten);
+
+ cairo_surface_destroy (ctx->ref_image);
+ ctx->ref_image = NULL;
+
+ cairo_surface_destroy (ctx->ref_image_flattened);
+ ctx->ref_image_flattened = NULL;
+
+ free (ctx->ref_name);
+ ctx->ref_name = NULL;
+ }
+
+ surface = cairo_image_surface_create_from_png (filename);
+ if (cairo_surface_status (surface))
+ return surface;
+
+ len = strlen (filename);
+ ctx->ref_name = xmalloc (len + 1);
+ memcpy (ctx->ref_name, filename, len + 1);
+
+ ctx->ref_image = surface;
+ return _cairo_test_flatten_reference_image (ctx, flatten);
+}
+
static cairo_test_status_t
-cairo_test_for_target (const cairo_test_context_t *ctx,
+cairo_test_for_target (cairo_test_context_t *ctx,
const cairo_boilerplate_target_t *target,
int dev_offset,
cairo_bool_t similar)
@@ -378,7 +454,6 @@ cairo_test_for_target (const cairo_test_context_t *ctx,
ctx->test->name,
target->name,
format);
-
if (dev_offset)
xasprintf (&offset_str, "-%d", dev_offset);
else
@@ -520,23 +595,15 @@ cairo_test_for_target (const cairo_test_context_t *ctx,
/* Skip image check for tests with no image (width,height == 0,0) */
if (ctx->test->width != 0 && ctx->test->height != 0) {
+ cairo_surface_t *ref_image;
+ cairo_surface_t *test_image;
+ cairo_surface_t *diff_image;
buffer_diff_result_t result;
cairo_status_t diff_status;
- xunlink (ctx, png_name);
-
- diff_status = (target->write_to_png) (surface, png_name);
- if (diff_status) {
- cairo_test_log (ctx, "Error: Failed to compare images: %s\n",
- cairo_status_to_string (diff_status));
- ret = CAIRO_TEST_FAILURE;
- goto UNWIND_CAIRO;
- }
- have_output = TRUE;
-
- if (!ref_name) {
+ if (ref_name == NULL) {
cairo_test_log (ctx, "Error: Cannot find reference image for %s/%s-%s-%s%s\n",
- ctx->srcdir,
+ ctx->srcdir,
ctx->test->name,
target->name,
format,
@@ -545,27 +612,64 @@ cairo_test_for_target (const cairo_test_context_t *ctx,
goto UNWIND_CAIRO;
}
- if (target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED) {
- diff_status = image_diff_flattened (ctx,
- png_name, ref_name, diff_name,
- dev_offset, dev_offset, 0, 0, &result);
- } else {
- diff_status = image_diff (ctx,
- png_name, ref_name, diff_name,
- dev_offset, dev_offset, 0, 0, &result);
+ ref_image = cairo_test_get_reference_image (ctx, ref_name,
+ target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED);
+ if (cairo_surface_status (ref_image)) {
+ cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n",
+ ref_name,
+ cairo_status_to_string (cairo_surface_status (ref_image)));
+ ret = CAIRO_TEST_FAILURE;
+ goto UNWIND_CAIRO;
}
+
+ xunlink (ctx, png_name);
+ xunlink (ctx, diff_name);
+
+ test_image = target->get_image_surface (surface,
+ ctx->test->width,
+ ctx->test->height);
+ if (cairo_surface_status (test_image)) {
+ cairo_test_log (ctx, "Error: Failed to extract image: %s\n",
+ cairo_status_to_string (cairo_surface_status (test_image)));
+ ret = CAIRO_TEST_FAILURE;
+ goto UNWIND_CAIRO;
+ }
+
+ diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ ctx->test->width,
+ ctx->test->height);
+
+ diff_status = image_diff (ctx,
+ test_image, ref_image,
+ diff_image,
+ &result);
if (diff_status) {
cairo_test_log (ctx, "Error: Failed to compare images: %s\n",
cairo_status_to_string (diff_status));
ret = CAIRO_TEST_FAILURE;
- goto UNWIND_CAIRO;
}
-
- have_result = TRUE;
- if (result.pixels_changed && result.max_diff > target->error_tolerance) {
+ else if (result.pixels_changed &&
+ result.max_diff > target->error_tolerance)
+ {
ret = CAIRO_TEST_FAILURE;
- goto UNWIND_CAIRO;
+
+ diff_status = cairo_surface_write_to_png (test_image, png_name);
+ if (diff_status) {
+ cairo_test_log (ctx, "Error: Failed to write output image: %s\n",
+ cairo_status_to_string (diff_status));
+ } else
+ have_output = TRUE;
+
+ diff_status = cairo_surface_write_to_png (diff_image, diff_name);
+ if (diff_status) {
+ cairo_test_log (ctx, "Error: Failed to write differences image: %s\n",
+ cairo_status_to_string (diff_status));
+ } else
+ have_result = TRUE;
}
+
+ cairo_surface_destroy (test_image);
+ cairo_surface_destroy (diff_image);
}
UNWIND_CAIRO:
diff --git a/test/cairo-test.h b/test/cairo-test.h
index aff8079d..5dd61f88 100644
--- a/test/cairo-test.h
+++ b/test/cairo-test.h
@@ -120,6 +120,10 @@ struct _cairo_test_context {
const char *srcdir; /* directory containing sources and input data */
const char *refdir; /* directory containing reference images */
+ char *ref_name; /* cache of the current reference image */
+ cairo_surface_t *ref_image;
+ cairo_surface_t *ref_image_flattened;
+
size_t num_targets;
cairo_bool_t limited_targets;
cairo_boilerplate_target_t **targets_to_test;
diff --git a/test/imagediff.c b/test/imagediff.c
index c170c8e5..64042426 100644
--- a/test/imagediff.c
+++ b/test/imagediff.c
@@ -54,7 +54,7 @@ main (int argc, char *argv[])
ax = ay = bx = by = 0;
}
- status = image_diff (NULL, argv[1], argv[2], NULL, ax, ay, bx, by, &result);
+ status = png_diff (NULL, argv[1], argv[2], NULL, ax, ay, bx, by, &result);
if (status) {
fprintf (stderr, "Error comparing images: %s\n",
diff --git a/test/xlib-expose-event.c b/test/xlib-expose-event.c
index bf320dab..189b8f1f 100644
--- a/test/xlib-expose-event.c
+++ b/test/xlib-expose-event.c
@@ -175,6 +175,7 @@ compare (const cairo_test_context_t *ctx, cairo_surface_t *surface)
{
cairo_t *cr;
cairo_surface_t *image, *reference, *diff;
+ cairo_status_t status;
buffer_diff_result_t result;
diff = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE);
@@ -187,17 +188,14 @@ compare (const cairo_test_context_t *ctx, cairo_surface_t *surface)
cairo_destroy (cr);
reference = cairo_test_create_surface_from_png (ctx, "xlib-expose-event-ref.png");
- if (cairo_image_surface_get_width (image) != cairo_image_surface_get_width (reference) ||
- cairo_image_surface_get_height (image) != cairo_image_surface_get_height (reference))
- return CAIRO_TEST_FAILURE;
-
- compare_surfaces (ctx, reference, image, diff, &result);
+ status = image_diff (ctx, reference, image, diff, &result);
cairo_surface_destroy (reference);
cairo_surface_destroy (image);
cairo_surface_destroy (diff);
- return result.pixels_changed ? CAIRO_TEST_FAILURE : CAIRO_TEST_SUCCESS;
+ return status == CAIRO_STATUS_SUCCESS && ! result.pixels_changed ?
+ CAIRO_TEST_SUCCESS : CAIRO_TEST_FAILURE;
}
int