IoObject *IoCairoSurface_getContent(IoCairoSurface *self, IoObject *locals, IoMessage *m)
{
return IONUMBER(cairo_surface_get_content(SURFACE(self)));
}
static int
surface_get_content (lua_State *L) {
cairo_surface_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_SURFACE);
return content_to_lua(L, cairo_surface_get_content(*obj));
}
/* This function originally from Jean-Edouard Lachand-Robert, and
* available at www.codeguru.com. Simplified for our needs, not sure
* how much of the original code left any longer. Now handles just
* one-bit deep bitmaps (in Window parlance, ie those that GDK calls
* bitmaps (and not pixmaps), with zero pixels being transparent.
*
* Changed again here from the GDK version to use an 8-bit surface instead
* of a 1-bit bitmap.
*/
static cairo_region_t *
_gdk_cairo_region_create_from_surface (cairo_surface_t *surface)
{
cairo_region_t *region;
GdkRectangle extents, rect;
cairo_surface_t *image;
cairo_t *cr;
gint x, y, stride;
guchar *data;
_gdk_cairo_surface_extents (surface, &extents);
if (cairo_surface_get_content (surface) == CAIRO_CONTENT_COLOR)
return cairo_region_create_rectangle (&extents);
if (cairo_surface_get_type (surface) != CAIRO_SURFACE_TYPE_IMAGE ||
cairo_image_surface_get_format (surface) != CAIRO_FORMAT_A8)
{
/* coerce to an A8 image */
image = cairo_image_surface_create (CAIRO_FORMAT_A8,
extents.width, extents.height);
cr = cairo_create (image);
cairo_set_source_surface (cr, surface, -extents.x, -extents.y);
cairo_paint (cr);
cairo_destroy (cr);
}
else
image = cairo_surface_reference (surface);
data = cairo_image_surface_get_data (image);
stride = cairo_image_surface_get_stride (image);
region = cairo_region_create ();
for (y = 0; y < extents.height; y++)
{
for (x = 0; x < extents.width; x++)
{
/* Search for a continuous range of "non transparent pixels"*/
gint x0 = x;
while (x < extents.width)
{
guint8 alpha = data[x];
if (alpha < 24)
/* This pixel is "transparent"*/
break;
x++;
}
if (x > x0)
{
/* Add the pixels (x0, y) to (x, y+1) as a new rectangle
* in the region
*/
rect.x = x0;
rect.width = x - x0;
rect.y = y;
rect.height = 1;
cairo_region_union_rectangle (region, &rect);
}
}
data += stride;
}
cairo_surface_destroy (image);
cairo_region_translate (region, extents.x, extents.y);
return region;
}
bool nativeImageHasAlpha(const NativeImagePtr& image)
{
return !image || cairo_surface_get_content(image.get()) != CAIRO_CONTENT_COLOR;
}
static void
_gtk_pixel_cache_create_surface_if_needed (GtkPixelCache *cache,
GdkWindow *window,
cairo_rectangle_int_t *view_rect,
cairo_rectangle_int_t *canvas_rect)
{
cairo_rectangle_int_t rect;
int surface_w, surface_h;
cairo_content_t content;
#ifdef G_ENABLE_DEBUG
if (GTK_DISPLAY_DEBUG_CHECK (gdk_window_get_display (window), NO_PIXEL_CACHE))
return;
#endif
content = cache->content;
if (!content)
{
if (cache->is_opaque)
content = CAIRO_CONTENT_COLOR;
else
content = CAIRO_CONTENT_COLOR_ALPHA;
}
surface_w = view_rect->width;
if (canvas_rect->width > surface_w)
surface_w = MIN (surface_w + cache->extra_width, canvas_rect->width);
surface_h = view_rect->height;
if (canvas_rect->height > surface_h)
surface_h = MIN (surface_h + cache->extra_height, canvas_rect->height);
/* If current surface can't fit view_rect or is too large, kill it */
if (cache->surface != NULL &&
(cairo_surface_get_content (cache->surface) != content ||
cache->surface_w < MAX(view_rect->width, surface_w * ALLOW_SMALLER_SIZE_FACTOR) ||
cache->surface_w > surface_w * ALLOW_LARGER_SIZE_FACTOR ||
cache->surface_h < MAX(view_rect->height, surface_h * ALLOW_SMALLER_SIZE_FACTOR) ||
cache->surface_h > surface_h * ALLOW_LARGER_SIZE_FACTOR ||
cache->surface_scale != gdk_window_get_scale_factor (window)))
{
cairo_surface_destroy (cache->surface);
cache->surface = NULL;
if (cache->surface_dirty)
cairo_region_destroy (cache->surface_dirty);
cache->surface_dirty = NULL;
}
/* Don't allocate a surface if view >= canvas, as we won't
* be scrolling then anyway, unless the widget requested it.
*/
if (cache->surface == NULL &&
(cache->always_cache ||
(view_rect->width < canvas_rect->width ||
view_rect->height < canvas_rect->height)))
{
cache->surface_x = -canvas_rect->x;
cache->surface_y = -canvas_rect->y;
cache->surface_w = surface_w;
cache->surface_h = surface_h;
cache->surface_scale = gdk_window_get_scale_factor (window);
cache->surface =
gdk_window_create_similar_surface (window, content,
surface_w, surface_h);
rect.x = 0;
rect.y = 0;
rect.width = surface_w;
rect.height = surface_h;
cache->surface_dirty =
cairo_region_create_rectangle (&rect);
}
}
static void
_gtk_pixel_cache_create_surface_if_needed (GtkPixelCache *cache,
GdkWindow *window,
cairo_rectangle_int_t *view_rect,
cairo_rectangle_int_t *canvas_rect)
{
cairo_rectangle_int_t rect;
int surface_w, surface_h;
cairo_content_t content;
cairo_pattern_t *bg;
double red, green, blue, alpha;
content = CAIRO_CONTENT_COLOR_ALPHA;
bg = gdk_window_get_background_pattern (window);
if (bg != NULL &&
cairo_pattern_get_type (bg) == CAIRO_PATTERN_TYPE_SOLID &&
cairo_pattern_get_rgba (bg, &red, &green, &blue, &alpha) == CAIRO_STATUS_SUCCESS &&
alpha == 1.0)
content = CAIRO_CONTENT_COLOR;
surface_w = view_rect->width;
if (canvas_rect->width > surface_w)
surface_w = MIN (surface_w + EXTRA_SIZE, canvas_rect->width);
surface_h = view_rect->height;
if (canvas_rect->height > surface_h)
surface_h = MIN (surface_h + EXTRA_SIZE, canvas_rect->height);
/* If current surface can't fit view_rect or is too large, kill it */
if (cache->surface != NULL &&
(cairo_surface_get_content (cache->surface) != content ||
cache->surface_w < view_rect->width ||
cache->surface_w > surface_w + ALLOW_LARGER_SIZE ||
cache->surface_h < view_rect->height ||
cache->surface_h > surface_h + ALLOW_LARGER_SIZE ||
cache->surface_scale != gdk_window_get_scale_factor (window)))
{
cairo_surface_destroy (cache->surface);
cache->surface = NULL;
if (cache->surface_dirty)
cairo_region_destroy (cache->surface_dirty);
cache->surface_dirty = NULL;
}
/* Don't allocate a surface if view >= canvas, as we won't
be scrolling then anyway */
if (cache->surface == NULL &&
(view_rect->width < canvas_rect->width ||
view_rect->height < canvas_rect->height))
{
cache->surface_x = -canvas_rect->x;
cache->surface_y = -canvas_rect->y;
cache->surface_w = surface_w;
cache->surface_h = surface_h;
cache->surface_scale = gdk_window_get_scale_factor (window);
cache->surface =
gdk_window_create_similar_surface (window, content,
surface_w, surface_h);
rect.x = 0;
rect.y = 0;
rect.width = surface_w;
rect.height = surface_h;
cache->surface_dirty =
cairo_region_create_rectangle (&rect);
}
}
static cairo_int_status_t
_cairo_user_scaled_glyph_init (void *abstract_font,
cairo_scaled_glyph_t *scaled_glyph,
cairo_scaled_glyph_info_t info)
{
cairo_int_status_t status = CAIRO_STATUS_SUCCESS;
cairo_user_scaled_font_t *scaled_font = abstract_font;
cairo_surface_t *meta_surface = scaled_glyph->meta_surface;
if (!scaled_glyph->meta_surface) {
cairo_user_font_face_t *face =
(cairo_user_font_face_t *) scaled_font->base.font_face;
cairo_text_extents_t extents = scaled_font->default_glyph_extents;
cairo_t *cr;
cr = _cairo_user_scaled_font_create_meta_context (scaled_font);
if (face->scaled_font_methods.render_glyph)
status = face->scaled_font_methods.render_glyph ((cairo_scaled_font_t *)scaled_font,
_cairo_scaled_glyph_index(scaled_glyph),
cr, &extents);
else
status = CAIRO_STATUS_USER_FONT_ERROR;
if (status == CAIRO_STATUS_SUCCESS)
status = cairo_status (cr);
meta_surface = cairo_surface_reference (cairo_get_target (cr));
cairo_destroy (cr);
if (status) {
cairo_surface_destroy (meta_surface);
return status;
}
_cairo_scaled_glyph_set_meta_surface (scaled_glyph,
&scaled_font->base,
meta_surface);
/* set metrics */
if (extents.width == 0.) {
/* Compute extents.x/y/width/height from meta_surface, in font space */
cairo_box_t bbox;
double x1, y1, x2, y2;
double x_scale, y_scale;
cairo_surface_t *null_surface;
cairo_surface_t *analysis_surface;
null_surface = _cairo_null_surface_create (cairo_surface_get_content (meta_surface));
analysis_surface = _cairo_analysis_surface_create (null_surface, -1, -1);
cairo_surface_destroy (null_surface);
_cairo_analysis_surface_set_ctm (analysis_surface, &scaled_font->extent_scale);
status = _cairo_meta_surface_replay (meta_surface, analysis_surface);
_cairo_analysis_surface_get_bounding_box (analysis_surface, &bbox);
cairo_surface_destroy (analysis_surface);
if (status)
return status;
_cairo_box_to_doubles (&bbox, &x1, &y1, &x2, &y2);
x_scale = scaled_font->extent_x_scale;
y_scale = scaled_font->extent_y_scale;
extents.x_bearing = x1 * x_scale;
extents.y_bearing = y1 * y_scale;
extents.width = (x2 - x1) * x_scale;
extents.height = (y2 - y1) * y_scale;
}
if (scaled_font->base.options.hint_metrics != CAIRO_HINT_METRICS_OFF) {
extents.x_advance = _cairo_lround (extents.x_advance / scaled_font->snap_x_scale) * scaled_font->snap_x_scale;
extents.y_advance = _cairo_lround (extents.y_advance / scaled_font->snap_y_scale) * scaled_font->snap_y_scale;
}
_cairo_scaled_glyph_set_metrics (scaled_glyph,
&scaled_font->base,
&extents);
}
if (info & CAIRO_SCALED_GLYPH_INFO_SURFACE) {
cairo_surface_t *surface;
cairo_status_t status = CAIRO_STATUS_SUCCESS;
cairo_format_t format;
int width, height;
/* TODO
* extend the glyph cache to support argb glyphs.
* need to figure out the semantics and interaction with subpixel
* rendering first.
*/
width = _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.x) -
_cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x);
height = _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.y) -
_cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y);
switch (scaled_font->base.options.antialias) {
default:
case CAIRO_ANTIALIAS_DEFAULT:
case CAIRO_ANTIALIAS_GRAY: format = CAIRO_FORMAT_A8; break;
case CAIRO_ANTIALIAS_NONE: format = CAIRO_FORMAT_A1; break;
case CAIRO_ANTIALIAS_SUBPIXEL: format = CAIRO_FORMAT_ARGB32; break;
}
surface = cairo_image_surface_create (format, width, height);
cairo_surface_set_device_offset (surface,
- _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x),
- _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y));
status = _cairo_meta_surface_replay (meta_surface, surface);
if (status) {
cairo_surface_destroy(surface);
return status;
}
_cairo_scaled_glyph_set_surface (scaled_glyph,
&scaled_font->base,
(cairo_image_surface_t *) surface);
}
if (info & CAIRO_SCALED_GLYPH_INFO_PATH) {
cairo_path_fixed_t *path = _cairo_path_fixed_create ();
if (!path)
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
status = _cairo_meta_surface_get_path (meta_surface, path);
if (status) {
_cairo_path_fixed_destroy (path);
return status;
}
_cairo_scaled_glyph_set_path (scaled_glyph,
&scaled_font->base,
path);
}
return status;
}
static VALUE
cr_surface_get_content (VALUE self)
{
return INT2NUM (cairo_surface_get_content (_SELF));
}
static cairo_test_status_t
cairo_test_for_target (cairo_test_t *test,
cairo_boilerplate_target_t *target,
int dev_offset,
cairo_bool_t similar)
{
cairo_test_status_t status;
cairo_surface_t *surface = NULL;
cairo_t *cr;
char *png_name, *ref_name, *diff_name, *offset_str;
cairo_test_status_t ret = CAIRO_TEST_SUCCESS;
cairo_content_t expected_content;
cairo_font_options_t *font_options;
const char *format;
/* Get the strings ready that we'll need. */
format = cairo_boilerplate_content_name (target->content);
if (dev_offset)
xasprintf (&offset_str, "-%d", dev_offset);
else
offset_str = strdup("");
xasprintf (&png_name, "%s-%s-%s%s%s%s",
test->name,
target->name,
format,
similar ? "-similar" : "",
offset_str, CAIRO_TEST_PNG_SUFFIX);
ref_name = cairo_ref_name_for_test_target_format (test->name, target->name, format);
xasprintf (&diff_name, "%s-%s-%s%s%s%s",
test->name,
target->name,
format,
similar ? "-similar" : "",
offset_str, CAIRO_TEST_DIFF_SUFFIX);
if (target->is_vector) {
int i;
for (i = 0; vector_ignored_tests[i] != NULL; i++)
if (strcmp (test->name, vector_ignored_tests[i]) == 0) {
cairo_test_log ("Error: Skipping for vector target %s\n", target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
}
if (ret == CAIRO_TEST_SUCCESS) {
/* Run the actual drawing code. */
if (test->width && test->height) {
test->width += dev_offset;
test->height += dev_offset;
}
surface = (target->create_surface) (test->name,
target->content,
test->width,
test->height,
CAIRO_BOILERPLATE_MODE_TEST,
&target->closure);
if (test->width && test->height) {
test->width -= dev_offset;
test->height -= dev_offset;;
}
}
if (surface == NULL) {
cairo_test_log ("Error: Failed to set %s target\n", target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
/* Check that we created a surface of the expected type. */
if (cairo_surface_get_type (surface) != target->expected_type) {
cairo_test_log ("Error: Created surface is of type %d (expected %d)\n",
cairo_surface_get_type (surface), target->expected_type);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
}
/* Check that we created a surface of the expected content,
* (ignore the articifical
* CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED value).
*/
expected_content = target->content;
if (expected_content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED)
expected_content = CAIRO_CONTENT_COLOR_ALPHA;
if (cairo_surface_get_content (surface) != expected_content) {
cairo_test_log ("Error: Created surface has content %d (expected %d)\n",
cairo_surface_get_content (surface), expected_content);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
}
cairo_surface_set_device_offset (surface, dev_offset, dev_offset);
cr = cairo_create (surface);
if (similar)
cairo_push_group_with_content (cr, target->content);
/* Clear to transparent (or black) depending on whether the target
* surface supports alpha. */
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_restore (cr);
/* Set all components of font_options to avoid backend differences
* and reduce number of needed reference images. */
font_options = cairo_font_options_create ();
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON);
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY);
cairo_set_font_options (cr, font_options);
cairo_font_options_destroy (font_options);
cairo_save (cr);
status = (test->draw) (cr, test->width, test->height);
cairo_restore (cr);
/* Then, check all the different ways it could fail. */
if (status) {
cairo_test_log ("Error: Function under test failed\n");
ret = status;
goto UNWIND_CAIRO;
}
if (similar) {
cairo_pop_group_to_source (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
}
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) {
cairo_test_log ("Error: Function under test left cairo status in an error state: %s\n",
cairo_status_to_string (cairo_status (cr)));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
/* Skip image check for tests with no image (width,height == 0,0) */
if (test->width != 0 && test->height != 0) {
buffer_diff_result_t result;
cairo_status_t diff_status;
xunlink (png_name);
(target->write_to_png) (surface, png_name);
cairo_test_log ("OUTPUT: %s\n", png_name);
if (!ref_name) {
cairo_test_log ("Error: Cannot find reference image for %s/%s-%s-%s%s\n",srcdir,
test->name,
target->name,
format,
CAIRO_TEST_REF_SUFFIX);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
cairo_test_log ("REFERENCE: %s\n", ref_name);
cairo_test_log ("DIFFERENCE: %s\n", diff_name);
if (target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED) {
diff_status= image_diff_flattened (png_name, ref_name, diff_name,
dev_offset, dev_offset, 0, 0, &result);
} else {
diff_status = image_diff (png_name, ref_name, diff_name,
dev_offset, dev_offset, 0, 0, &result);
}
if (diff_status) {
cairo_test_log ("Error: Failed to compare images: %s\n",
cairo_status_to_string (diff_status));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
if (result.pixels_changed && result.max_diff > target->error_tolerance) {
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
}
UNWIND_CAIRO:
cairo_destroy (cr);
UNWIND_SURFACE:
cairo_surface_destroy (surface);
cairo_debug_reset_static_data ();
if (target->cleanup)
target->cleanup (target->closure);
UNWIND_STRINGS:
if (png_name)
free (png_name);
if (ref_name)
free (ref_name);
if (diff_name)
free (diff_name);
if (offset_str)
free (offset_str);
return ret;
}
static PyObject *
surface_get_content (PycairoSurface *o)
{
return PyInt_FromLong (cairo_surface_get_content (o->surface));
}
static already_AddRefed<gfxXlibSurface>
CreateTempXlibSurface (gfxASurface *destination, nsIntSize size,
PRBool canDrawOverBackground,
PRUint32 flags, Screen *screen, Visual *visual,
DrawingMethod *method)
{
PRBool drawIsOpaque = (flags & gfxXlibNativeRenderer::DRAW_IS_OPAQUE) != 0;
PRBool supportsAlternateVisual =
(flags & gfxXlibNativeRenderer::DRAW_SUPPORTS_ALTERNATE_VISUAL) != 0;
PRBool supportsAlternateScreen = supportsAlternateVisual &&
(flags & gfxXlibNativeRenderer::DRAW_SUPPORTS_ALTERNATE_SCREEN);
cairo_surface_t *target = destination->CairoSurface();
cairo_surface_type_t target_type = cairo_surface_get_type (target);
cairo_content_t target_content = cairo_surface_get_content (target);
Screen *target_screen = target_type == CAIRO_SURFACE_TYPE_XLIB ?
cairo_xlib_surface_get_screen (target) : screen;
// When the background has an alpha channel, we need to draw with an alpha
// channel anyway, so there is no need to copy the background. If
// doCopyBackground is set here, we'll also need to check below that the
// background can copied without any loss in format conversions.
PRBool doCopyBackground = !drawIsOpaque && canDrawOverBackground &&
target_content == CAIRO_CONTENT_COLOR;
if (supportsAlternateScreen && screen != target_screen && drawIsOpaque) {
// Prefer a visual on the target screen.
// (If !drawIsOpaque, we'll need doCopyBackground or an alpha channel.)
visual = DefaultVisualOfScreen(target_screen);
screen = target_screen;
} else if (doCopyBackground || (supportsAlternateVisual && drawIsOpaque)) {
// Analyse the pixel formats either to check whether we can
// doCopyBackground or to see if we can find a better visual for
// opaque drawing.
Visual *target_visual = NULL;
XRenderPictFormat *target_format = NULL;
switch (target_type) {
case CAIRO_SURFACE_TYPE_XLIB:
target_visual = cairo_xlib_surface_get_visual (target);
target_format = cairo_xlib_surface_get_xrender_format (target);
break;
case CAIRO_SURFACE_TYPE_IMAGE: {
gfxASurface::gfxImageFormat imageFormat =
static_cast<gfxImageSurface*>(destination)->Format();
target_visual = gfxXlibSurface::FindVisual(screen, imageFormat);
Display *dpy = DisplayOfScreen(screen);
if (target_visual) {
target_format = XRenderFindVisualFormat(dpy, target_visual);
} else {
target_format =
gfxXlibSurface::FindRenderFormat(dpy, imageFormat);
}
break;
}
default:
break;
}
if (supportsAlternateVisual &&
(supportsAlternateScreen || screen == target_screen)) {
if (target_visual) {
visual = target_visual;
screen = target_screen;
}
}
// Could try harder to match formats across screens for background
// copying when !supportsAlternateScreen, if we cared. Preferably
// we'll find a visual below with an alpha channel anyway; if so, the
// background won't need to be copied.
if (doCopyBackground && visual != target_visual &&
!FormatConversionIsExact(screen, visual, target_format)) {
doCopyBackground = PR_FALSE;
}
}
if (supportsAlternateVisual && !drawIsOpaque &&
(screen != target_screen ||
!(doCopyBackground || VisualHasAlpha(screen, visual)))) {
// Try to find a visual with an alpha channel.
Screen *visualScreen =
supportsAlternateScreen ? target_screen : screen;
Visual *argbVisual =
gfxXlibSurface::FindVisual(visualScreen,
gfxASurface::ImageFormatARGB32);
if (argbVisual) {
visual = argbVisual;
screen = visualScreen;
} else if (!doCopyBackground &&
gfxXlibSurface::DepthOfVisual(screen, visual) != 24) {
// Will need to do alpha extraction; prefer a 24-bit visual.
// No advantage in using the target screen.
Visual *rgb24Visual =
gfxXlibSurface::FindVisual(screen,
gfxASurface::ImageFormatRGB24);
if (rgb24Visual) {
visual = rgb24Visual;
}
}
}
Drawable drawable =
(screen == target_screen && target_type == CAIRO_SURFACE_TYPE_XLIB) ?
cairo_xlib_surface_get_drawable (target) : RootWindowOfScreen(screen);
nsRefPtr<gfxXlibSurface> surface =
gfxXlibSurface::Create(screen, visual,
gfxIntSize(size.width, size.height),
drawable);
if (drawIsOpaque ||
surface->GetContentType() == gfxASurface::CONTENT_COLOR_ALPHA) {
NATIVE_DRAWING_NOTE(drawIsOpaque ?
", SIMPLE OPAQUE\n" : ", SIMPLE WITH ALPHA");
*method = eSimple;
} else if (doCopyBackground) {
NATIVE_DRAWING_NOTE(", COPY BACKGROUND\n");
*method = eCopyBackground;
} else {
NATIVE_DRAWING_NOTE(", SLOW ALPHA EXTRACTION\n");
*method = eAlphaExtraction;
}
return surface.forget();
}
already_AddRefed<DrawTarget>
PrintTarget::GetReferenceDrawTarget(DrawEventRecorder* aRecorder)
{
if (!mRefDT) {
const IntSize size(1, 1);
cairo_surface_t* similar;
switch (cairo_surface_get_type(mCairoSurface)) {
#ifdef CAIRO_HAS_WIN32_SURFACE
case CAIRO_SURFACE_TYPE_WIN32:
similar = cairo_win32_surface_create_with_dib(
CairoContentToCairoFormat(cairo_surface_get_content(mCairoSurface)),
size.width, size.height);
break;
#endif
#ifdef CAIRO_HAS_QUARTZ_SURFACE
case CAIRO_SURFACE_TYPE_QUARTZ:
similar = cairo_quartz_surface_create_cg_layer(
mCairoSurface, cairo_surface_get_content(mCairoSurface),
size.width, size.height);
break;
#endif
default:
similar = cairo_surface_create_similar(
mCairoSurface, cairo_surface_get_content(mCairoSurface),
size.width, size.height);
break;
}
if (cairo_surface_status(similar)) {
return nullptr;
}
RefPtr<DrawTarget> dt =
Factory::CreateDrawTargetForCairoSurface(similar, size);
// The DT addrefs the surface, so we need drop our own reference to it:
cairo_surface_destroy(similar);
if (!dt || !dt->IsValid()) {
return nullptr;
}
mRefDT = dt.forget();
}
if (aRecorder) {
if (!mRecordingRefDT) {
RefPtr<DrawTarget> dt = CreateRecordingDrawTarget(aRecorder, mRefDT);
if (!dt || !dt->IsValid()) {
return nullptr;
}
mRecordingRefDT = dt.forget();
#ifdef DEBUG
mRecorder = aRecorder;
#endif
}
#ifdef DEBUG
else {
MOZ_ASSERT(aRecorder == mRecorder,
"Caching mRecordingRefDT assumes the aRecorder is an invariant");
}
#endif
return do_AddRef(mRecordingRefDT);
}
return do_AddRef(mRefDT);
}
void
swfdec_bitmap_data_copyPixels (SwfdecAsContext *cx, SwfdecAsObject *object,
guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
{
SwfdecBitmapData *bitmap, *source, *alpha = NULL;
SwfdecAsObject *recto = NULL, *pt, *apt = NULL, *so, *ao = NULL;
SwfdecRectangle rect;
gboolean copy_alpha = FALSE;
cairo_t *cr;
int x, y;
SWFDEC_AS_CHECK (SWFDEC_TYPE_BITMAP_DATA, &bitmap, "ooo|oob", &so, &recto, &pt,
&ao, &apt, ©_alpha);
if (bitmap->surface == NULL ||
!SWFDEC_IS_BITMAP_DATA (so) ||
(source = SWFDEC_BITMAP_DATA (so))->surface == NULL ||
(ao != NULL && (!SWFDEC_IS_BITMAP_DATA (ao) ||
(alpha = SWFDEC_BITMAP_DATA (ao))->surface == NULL)) ||
!swfdec_rectangle_from_as_object (&rect, recto))
return;
x = rect.x;
y = rect.y;
swfdec_point_from_as_object (&rect.x, &rect.y, pt);
cr = cairo_create (bitmap->surface);
if (bitmap == source) {
cairo_surface_t *copy = cairo_surface_create_similar (source->surface,
cairo_surface_get_content (source->surface),
rect.width, rect.height);
cairo_t *cr2 = cairo_create (copy);
cairo_set_source_surface (cr2, source->surface, x, y);
cairo_paint (cr2);
cairo_destroy (cr2);
cairo_set_source_surface (cr, copy, rect.x, rect.y);
cairo_surface_destroy (copy);
} else {
cairo_set_source_surface (cr, source->surface, rect.x - x, rect.y - y);
}
if (swfdec_surface_has_alpha (bitmap->surface) && !copy_alpha) {
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
}
cairo_rectangle (cr, rect.x, rect.y, rect.width, rect.height);
if (alpha) {
cairo_surface_t *mask = cairo_surface_create_similar (alpha->surface,
CAIRO_CONTENT_COLOR_ALPHA, rect.width, rect.height);
cairo_t *cr2 = cairo_create (mask);
cairo_surface_set_device_offset (mask, -rect.x, -rect.y);
cairo_set_source (cr2, cairo_get_source (cr));
if (apt) {
swfdec_point_from_as_object (&x, &y, apt);
} else {
x = y = 0;
}
cairo_mask_surface (cr2, alpha->surface, rect.x - x, rect.y - y);
cairo_destroy (cr2);
cairo_set_source_surface (cr, mask, 0, 0);
cairo_surface_destroy (mask);
}
cairo_fill (cr);
cairo_destroy (cr);
cairo_surface_mark_dirty_rectangle (bitmap->surface, rect.x, rect.y,
rect.width, rect.height);
}
static void update_icon(ShowDesktopData* sdd)
{
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder padding;
int width, height;
cairo_surface_t* icon;
cairo_surface_t* scaled;
int icon_size, icon_scale;
GError* error;
int thickness = 0;
if (!sdd->icon_theme)
return;
state = gtk_widget_get_state_flags (sdd->button);
context = gtk_widget_get_style_context (sdd->button);
gtk_style_context_get_padding (context, state, &padding);
switch (sdd->orient) {
case GTK_ORIENTATION_HORIZONTAL:
thickness = padding.top + padding.bottom;
break;
case GTK_ORIENTATION_VERTICAL:
thickness = padding.left + padding.right;
break;
}
icon_scale = gtk_widget_get_scale_factor (sdd->button);
icon_size = sdd->size * icon_scale - thickness;
if (icon_size < 22)
icon_size = 16;
else if (icon_size < 24)
icon_size = 22;
else if (icon_size < 32)
icon_size = 24;
else if (icon_size < 48)
icon_size = 32;
else if (icon_size < 64)
icon_size = 48;
else if (icon_size < 128)
icon_size = 64;
error = NULL;
icon = gtk_icon_theme_load_surface (sdd->icon_theme, SHOW_DESKTOP_ICON, icon_size, icon_scale, NULL, 0, &error);
if (icon == NULL)
{
g_printerr(_("Failed to load %s: %s\n"), SHOW_DESKTOP_ICON, error ? error->message : _("Icon not found"));
if (error)
{
g_error_free(error);
error = NULL;
}
gtk_image_set_from_icon_name (GTK_IMAGE (sdd->image), "image-missing", GTK_ICON_SIZE_SMALL_TOOLBAR);
return;
}
width = cairo_image_surface_get_width (icon);
height = cairo_image_surface_get_height (icon);
scaled = NULL;
/* Make it fit on the given panel */
switch (sdd->orient)
{
case GTK_ORIENTATION_HORIZONTAL:
width = (icon_size / icon_scale * width) / height;
height = icon_size / icon_scale;
break;
case GTK_ORIENTATION_VERTICAL:
height = (icon_size / icon_scale * height) / width;
width = icon_size / icon_scale;
break;
}
scaled = cairo_surface_create_similar (icon,
cairo_surface_get_content (icon),
width,
height);
if (scaled != NULL)
{
cairo_t *cr;
cr = cairo_create (scaled);
cairo_scale (cr, (double) width / icon_size, (double) height / icon_size);
cairo_set_source_surface (cr, icon, 0, 0);
cairo_paint (cr);
gtk_image_set_from_surface (GTK_IMAGE(sdd->image), scaled);
cairo_surface_destroy (scaled);
}
else
{
gtk_image_set_from_surface (GTK_IMAGE (sdd->image), icon);
}
cairo_surface_destroy (icon);
}
bool hasAlpha(const RefPtr<cairo_surface_t>& image)
{
return cairo_surface_get_content(image.get()) != CAIRO_CONTENT_COLOR;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *similar, *target;
cairo_test_status_t test_status;
cairo_status_t status;
unsigned int i;
target = cairo_get_target (cr);
/* Test a finished similar surface */
for (i = 0; i < ARRAY_LENGTH (tests); i++) {
similar = cairo_surface_create_similar (target,
cairo_surface_get_content (target),
10, 10);
cairo_surface_finish (similar);
test_status = tests[i].func (similar);
status = cairo_surface_status (similar);
cairo_surface_destroy (similar);
if (test_status != CAIRO_TEST_SUCCESS) {
cairo_test_log (ctx,
"Failed test %s with %d\n",
tests[i].name, (int) test_status);
return test_status;
}
if (tests[i].modifies_surface &&
strcmp (tests[i].name, "cairo_surface_finish") &&
strcmp (tests[i].name, "cairo_surface_flush") &&
status != CAIRO_STATUS_SURFACE_FINISHED) {
cairo_test_log (ctx,
"Failed test %s: Finished surface not set into error state\n",
tests[i].name);
return CAIRO_TEST_ERROR;
}
}
/* Test a normal surface for functions that have the wrong type */
for (i = 0; i < ARRAY_LENGTH (tests); i++) {
cairo_status_t desired_status;
if (tests[i].surface_type == -1)
continue;
similar = cairo_surface_create_similar (target,
cairo_surface_get_content (target),
10, 10);
if (cairo_surface_get_type (similar) == (cairo_surface_type_t) tests[i].surface_type) {
cairo_surface_destroy (similar);
continue;
}
test_status = tests[i].func (similar);
status = cairo_surface_status (similar);
cairo_surface_destroy (similar);
if (test_status != CAIRO_TEST_SUCCESS) {
cairo_test_log (ctx,
"Failed test %s with %d\n",
tests[i].name, (int) test_status);
return test_status;
}
desired_status = tests[i].modifies_surface ? CAIRO_STATUS_SURFACE_TYPE_MISMATCH : CAIRO_STATUS_SUCCESS;
if (status != desired_status) {
cairo_test_log (ctx,
"Failed test %s: Surface status should be %u (%s), but is %u (%s)\n",
tests[i].name,
desired_status, cairo_status_to_string (desired_status),
status, cairo_status_to_string (status));
return CAIRO_TEST_ERROR;
}
}
/* 565-compatible gray background */
cairo_set_source_rgb (cr, 0.51613, 0.55555, 0.51613);
cairo_paint (cr);
return CAIRO_TEST_SUCCESS;
}
void PluginView::paint(GraphicsContext* context, const IntRect& rect)
{
if (!m_isStarted || m_status != PluginStatusLoadedSuccessfully) {
paintMissingPluginIcon(context, rect);
return;
}
if (context->paintingDisabled())
return;
setNPWindowIfNeeded();
if (m_isWindowed)
return;
if (!m_drawable)
return;
Display* display = getPluginDisplay(nullptr);
const bool syncX = m_pluginDisplay && m_pluginDisplay != display;
IntRect exposedRect(rect);
exposedRect.intersect(frameRect());
exposedRect.move(-frameRect().x(), -frameRect().y());
RefPtr<cairo_surface_t> drawableSurface = adoptRef(cairo_xlib_surface_create(display,
m_drawable, m_visual, m_windowRect.width(), m_windowRect.height()));
if (m_isTransparent) {
// If we have a 32 bit drawable and the plugin wants transparency,
// we'll clear the exposed area to transparent first. Otherwise,
// we'd end up with junk in there from the last paint, or, worse,
// uninitialized data.
RefPtr<cairo_t> cr = adoptRef(cairo_create(drawableSurface.get()));
if (!(cairo_surface_get_content(drawableSurface.get()) & CAIRO_CONTENT_ALPHA)) {
// Attempt to fake it when we don't have an alpha channel on our
// pixmap. If that's not possible, at least clear the window to
// avoid drawing artifacts.
// This Would not work without double buffering, but we always use it.
cairo_set_source_surface(cr.get(), cairo_get_group_target(context->platformContext()->cr()),
-m_windowRect.x(), -m_windowRect.y());
cairo_set_operator(cr.get(), CAIRO_OPERATOR_SOURCE);
} else
cairo_set_operator(cr.get(), CAIRO_OPERATOR_CLEAR);
cairo_rectangle(cr.get(), exposedRect.x(), exposedRect.y(),
exposedRect.width(), exposedRect.height());
cairo_fill(cr.get());
}
XEvent xevent;
memset(&xevent, 0, sizeof(XEvent));
XGraphicsExposeEvent& exposeEvent = xevent.xgraphicsexpose;
exposeEvent.type = GraphicsExpose;
exposeEvent.display = display;
exposeEvent.drawable = m_drawable;
exposeEvent.x = exposedRect.x();
exposeEvent.y = exposedRect.y();
exposeEvent.width = exposedRect.x() + exposedRect.width(); // flash bug? it thinks width is the right in transparent mode
exposeEvent.height = exposedRect.y() + exposedRect.height(); // flash bug? it thinks height is the bottom in transparent mode
dispatchNPEvent(xevent);
if (syncX)
XSync(m_pluginDisplay, false); // sync changes by plugin
cairo_t* cr = context->platformContext()->cr();
cairo_save(cr);
cairo_set_source_surface(cr, drawableSurface.get(), frameRect().x(), frameRect().y());
cairo_rectangle(cr, frameRect().x() + exposedRect.x(), frameRect().y() + exposedRect.y(), exposedRect.width(), exposedRect.height());
cairo_clip(cr);
if (m_isTransparent)
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
else
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(cr);
cairo_restore(cr);
}
/**
* Create a surface that differs only in pixel content.
* Creates a surface that has the same type, content type and dimensions
* as the specified surface. Pixel contents are not copied.
*/
cairo_surface_t *
ink_cairo_surface_create_identical(cairo_surface_t *s)
{
cairo_surface_t *ns = ink_cairo_surface_create_same_size(s, cairo_surface_get_content(s));
return ns;
}
cairo_status_t
_cairo_gl_composite_begin_multisample (cairo_gl_composite_t *setup,
cairo_gl_context_t **ctx_out,
cairo_bool_t multisampling)
{
unsigned int dst_size, src_size, mask_size, vertex_size;
cairo_gl_context_t *ctx;
cairo_status_t status;
cairo_bool_t component_alpha;
cairo_gl_shader_t *shader;
cairo_operator_t op = setup->op;
cairo_surface_t *mask_surface = NULL;
assert (setup->dst);
status = _cairo_gl_context_acquire (setup->dst->base.device, &ctx);
if (unlikely (status))
return status;
_cairo_gl_context_set_destination (ctx, setup->dst, multisampling);
if (ctx->states_cache.blend_enabled == FALSE) {
glEnable (GL_BLEND);
ctx->states_cache.blend_enabled = TRUE;
}
component_alpha =
setup->mask.type == CAIRO_GL_OPERAND_TEXTURE &&
setup->mask.texture.attributes.has_component_alpha;
/* Do various magic for component alpha */
if (component_alpha) {
status = _cairo_gl_composite_begin_component_alpha (ctx, setup);
if (unlikely (status))
goto FAIL;
} else {
if (ctx->pre_shader) {
_cairo_gl_composite_flush (ctx);
ctx->pre_shader = NULL;
}
}
status = _cairo_gl_get_shader_by_type (ctx,
&setup->src,
&setup->mask,
setup->spans,
component_alpha ?
CAIRO_GL_SHADER_IN_CA_SOURCE :
CAIRO_GL_SHADER_IN_NORMAL,
&shader);
if (unlikely (status)) {
ctx->pre_shader = NULL;
goto FAIL;
}
if (ctx->current_shader != shader)
_cairo_gl_composite_flush (ctx);
status = CAIRO_STATUS_SUCCESS;
dst_size = 2 * sizeof (GLfloat);
src_size = _cairo_gl_operand_get_vertex_size (&setup->src);
mask_size = _cairo_gl_operand_get_vertex_size (&setup->mask);
vertex_size = dst_size + src_size + mask_size;
if (setup->spans)
vertex_size += sizeof (GLfloat);
_cairo_gl_composite_setup_vbo (ctx, vertex_size);
_cairo_gl_context_setup_operand (ctx, CAIRO_GL_TEX_SOURCE, &setup->src, vertex_size, dst_size);
_cairo_gl_context_setup_operand (ctx, CAIRO_GL_TEX_MASK, &setup->mask, vertex_size, dst_size + src_size);
if (setup->spans)
_cairo_gl_context_setup_spans (ctx, vertex_size, dst_size + src_size + mask_size);
else {
ctx->dispatch.DisableVertexAttribArray (CAIRO_GL_COVERAGE_ATTRIB_INDEX);
ctx->spans = FALSE;
}
/* XXX: Shoot me - we have converted CLEAR to DEST_OUT,
so the dst_factor would be GL_ONE_MINUS_SRC_ALPHA, if the
mask is a surface and mask content not content_alpha, we want to use
GL_ONE_MINUS_SRC_COLOR, otherwise, we use GL_ONE_MINUS_SRC_ALPHA
*/
if (setup->mask.type == CAIRO_GL_OPERAND_TEXTURE)
mask_surface = &setup->mask.texture.surface->base;
if (op == CAIRO_OPERATOR_CLEAR &&
component_alpha &&
mask_surface != NULL &&
cairo_surface_get_content (mask_surface) == CAIRO_CONTENT_ALPHA)
component_alpha = FALSE;
_cairo_gl_set_operator (ctx, setup->op, component_alpha);
if (_cairo_gl_context_is_flushed (ctx)) {
if (ctx->pre_shader) {
_cairo_gl_set_shader (ctx, ctx->pre_shader);
_cairo_gl_composite_bind_to_shader (ctx, setup);
}
_cairo_gl_set_shader (ctx, shader);
_cairo_gl_composite_bind_to_shader (ctx, setup);
}
status = _cairo_gl_composite_setup_clipping (setup, ctx, vertex_size);
if (unlikely (status))
goto FAIL;
*ctx_out = ctx;
FAIL:
if (unlikely (status))
status = _cairo_gl_context_release (ctx, status);
return status;
}
static cairo_test_status_t
cairo_test_for_target (cairo_test_context_t *ctx,
const cairo_boilerplate_target_t *target,
int dev_offset,
cairo_bool_t similar)
{
cairo_test_status_t status;
cairo_surface_t *surface = NULL;
cairo_t *cr;
const char *empty_str = "";
char *offset_str;
char *base_name, *base_path;
char *out_png_path;
char *ref_path = NULL, *ref_png_path, *cmp_png_path = NULL;
char *new_path = NULL, *new_png_path;
char *xfail_path = NULL, *xfail_png_path;
char *base_ref_png_path;
char *base_new_png_path;
char *base_xfail_png_path;
char *diff_png_path;
char *test_filename = NULL, *pass_filename = NULL, *fail_filename = NULL;
cairo_test_status_t ret;
cairo_content_t expected_content;
cairo_font_options_t *font_options;
const char *format;
cairo_bool_t have_output = FALSE;
cairo_bool_t have_result = FALSE;
void *closure;
double width, height;
cairo_bool_t have_output_dir;
#if HAVE_MEMFAULT
int malloc_failure_iterations = ctx->malloc_failure;
int last_fault_count = 0;
#endif
/* Get the strings ready that we'll need. */
format = cairo_boilerplate_content_name (target->content);
if (dev_offset)
xasprintf (&offset_str, ".%d", dev_offset);
else
offset_str = (char *) empty_str;
xasprintf (&base_name, "%s.%s.%s%s%s",
ctx->test_name,
target->name,
format,
similar ? ".similar" : "",
offset_str);
if (offset_str != empty_str)
free (offset_str);
ref_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_REF_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
new_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_NEW_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
xfail_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_XFAIL_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
base_ref_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
NULL, NULL,
format,
CAIRO_TEST_REF_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
base_new_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
NULL, NULL,
format,
CAIRO_TEST_NEW_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
base_xfail_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
NULL, NULL,
format,
CAIRO_TEST_XFAIL_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
if (target->file_extension != NULL) {
ref_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_REF_SUFFIX,
target->file_extension);
new_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_NEW_SUFFIX,
target->file_extension);
xfail_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_XFAIL_SUFFIX,
target->file_extension);
}
have_output_dir = _cairo_test_mkdir (ctx->output);
xasprintf (&base_path, "%s/%s",
have_output_dir ? ctx->output : ".",
base_name);
xasprintf (&out_png_path, "%s" CAIRO_TEST_OUT_PNG, base_path);
xasprintf (&diff_png_path, "%s" CAIRO_TEST_DIFF_PNG, base_path);
if (ctx->test->requirements != NULL) {
const char *required;
required = target->is_vector ? "target=raster" : "target=vector";
if (strstr (ctx->test->requirements, required) != NULL) {
cairo_test_log (ctx, "Error: Skipping for %s target %s\n",
target->is_vector ? "vector" : "raster",
target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
required = target->is_recording ? "target=!recording" : "target=recording";
if (strstr (ctx->test->requirements, required) != NULL) {
cairo_test_log (ctx, "Error: Skipping for %s target %s\n",
target->is_recording ? "recording" : "non-recording",
target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
}
width = ctx->test->width;
height = ctx->test->height;
if (width && height) {
width += dev_offset;
height += dev_offset;
}
#if HAVE_MEMFAULT
REPEAT:
MEMFAULT_CLEAR_FAULTS ();
MEMFAULT_RESET_LEAKS ();
ctx->last_fault_count = 0;
last_fault_count = MEMFAULT_COUNT_FAULTS ();
/* Pre-initialise fontconfig so that the configuration is loaded without
* malloc failures (our primary goal is to test cairo fault tolerance).
*/
#if HAVE_FCINIT
FcInit ();
#endif
MEMFAULT_ENABLE_FAULTS ();
#endif
have_output = FALSE;
have_result = FALSE;
/* Run the actual drawing code. */
ret = CAIRO_TEST_SUCCESS;
surface = (target->create_surface) (base_path,
target->content,
width, height,
ctx->test->width + 25 * NUM_DEVICE_OFFSETS,
ctx->test->height + 25 * NUM_DEVICE_OFFSETS,
CAIRO_BOILERPLATE_MODE_TEST,
&closure);
if (surface == NULL) {
cairo_test_log (ctx, "Error: Failed to set %s target\n", target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
#if HAVE_MEMFAULT
if (ctx->malloc_failure &&
MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
cairo_surface_status (surface) == CAIRO_STATUS_NO_MEMORY)
{
goto REPEAT;
}
#endif
if (cairo_surface_status (surface)) {
MF (MEMFAULT_PRINT_FAULTS ());
cairo_test_log (ctx, "Error: Created an error surface: %s\n",
cairo_status_to_string (cairo_surface_status (surface)));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_STRINGS;
}
/* Check that we created a surface of the expected type. */
if (cairo_surface_get_type (surface) != target->expected_type) {
MF (MEMFAULT_PRINT_FAULTS ());
cairo_test_log (ctx, "Error: Created surface is of type %d (expected %d)\n",
cairo_surface_get_type (surface), target->expected_type);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_SURFACE;
}
/* Check that we created a surface of the expected content,
* (ignore the artificial CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED value).
*/
expected_content = cairo_boilerplate_content (target->content);
if (cairo_surface_get_content (surface) != expected_content) {
MF (MEMFAULT_PRINT_FAULTS ());
cairo_test_log (ctx, "Error: Created surface has content %d (expected %d)\n",
cairo_surface_get_content (surface), expected_content);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
}
if (cairo_surface_set_user_data (surface,
&cairo_boilerplate_output_basename_key,
base_path,
NULL))
{
#if HAVE_MEMFAULT
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
goto REPEAT;
#else
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
#endif
}
cairo_surface_set_device_offset (surface, dev_offset, dev_offset);
cr = cairo_create (surface);
if (cairo_set_user_data (cr, &_cairo_test_context_key, (void*) ctx, NULL)) {
#if HAVE_MEMFAULT
cairo_destroy (cr);
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
goto REPEAT;
#else
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
#endif
}
if (similar)
cairo_push_group_with_content (cr, expected_content);
/* Clear to transparent (or black) depending on whether the target
* surface supports alpha. */
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_restore (cr);
/* Set all components of font_options to avoid backend differences
* and reduce number of needed reference images. */
font_options = cairo_font_options_create ();
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON);
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY);
cairo_set_font_options (cr, font_options);
cairo_font_options_destroy (font_options);
cairo_save (cr);
alarm (ctx->timeout);
status = (ctx->test->draw) (cr, ctx->test->width, ctx->test->height);
alarm (0);
cairo_restore (cr);
if (similar) {
cairo_pop_group_to_source (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
}
#if HAVE_MEMFAULT
MEMFAULT_DISABLE_FAULTS ();
/* repeat test after malloc failure injection */
if (ctx->malloc_failure &&
MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
(status == CAIRO_TEST_NO_MEMORY ||
cairo_status (cr) == CAIRO_STATUS_NO_MEMORY ||
cairo_surface_status (surface) == CAIRO_STATUS_NO_MEMORY))
{
cairo_destroy (cr);
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
cairo_debug_reset_static_data ();
#if HAVE_FCFINI
FcFini ();
#endif
if (MEMFAULT_COUNT_LEAKS () > 0) {
MEMFAULT_PRINT_FAULTS ();
MEMFAULT_PRINT_LEAKS ();
}
goto REPEAT;
}
#endif
/* Then, check all the different ways it could fail. */
if (status) {
cairo_test_log (ctx, "Error: Function under test failed\n");
ret = status;
goto UNWIND_CAIRO;
}
#if HAVE_MEMFAULT
if (MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
MEMFAULT_HAS_FAULTS ())
{
VALGRIND_PRINTF ("Unreported memfaults...");
MEMFAULT_PRINT_FAULTS ();
}
#endif
if (target->finish_surface != NULL) {
#if HAVE_MEMFAULT
/* We need to re-enable faults as most recording-surface processing
* is done during cairo_surface_finish().
*/
MEMFAULT_CLEAR_FAULTS ();
last_fault_count = MEMFAULT_COUNT_FAULTS ();
MEMFAULT_ENABLE_FAULTS ();
#endif
/* also check for infinite loops whilst replaying */
alarm (ctx->timeout);
status = target->finish_surface (surface);
alarm (0);
#if HAVE_MEMFAULT
MEMFAULT_DISABLE_FAULTS ();
if (ctx->malloc_failure &&
MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
status == CAIRO_STATUS_NO_MEMORY)
{
cairo_destroy (cr);
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
cairo_debug_reset_static_data ();
#if HAVE_FCFINI
FcFini ();
#endif
if (MEMFAULT_COUNT_LEAKS () > 0) {
MEMFAULT_PRINT_FAULTS ();
MEMFAULT_PRINT_LEAKS ();
}
goto REPEAT;
}
#endif
if (status) {
cairo_test_log (ctx, "Error: Failed to finish surface: %s\n",
cairo_status_to_string (status));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
}
/* 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;
if (ref_png_path == NULL) {
cairo_test_log (ctx, "Error: Cannot find reference image for %s\n",
base_name);
/* we may be running this test to generate reference images */
_xunlink (ctx, out_png_path);
/* be more generous as we may need to use external renderers */
alarm (4 * ctx->timeout);
test_image = target->get_image_surface (surface, 0,
ctx->test->width,
ctx->test->height);
alarm (0);
diff_status = cairo_surface_write_to_png (test_image, out_png_path);
cairo_surface_destroy (test_image);
if (diff_status) {
if (cairo_surface_status (test_image) == CAIRO_STATUS_INVALID_STATUS)
ret = CAIRO_TEST_CRASHED;
else
ret = CAIRO_TEST_FAILURE;
cairo_test_log (ctx,
"Error: Failed to write output image: %s\n",
cairo_status_to_string (diff_status));
}
have_output = TRUE;
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
if (target->file_extension != NULL) { /* compare vector surfaces */
char *filenames[] = {
ref_png_path,
ref_path,
new_png_path,
new_path,
xfail_png_path,
xfail_path,
base_ref_png_path,
base_new_png_path,
base_xfail_png_path,
};
xasprintf (&test_filename, "%s.out%s",
base_path, target->file_extension);
xasprintf (&pass_filename, "%s.pass%s",
base_path, target->file_extension);
xasprintf (&fail_filename, "%s.fail%s",
base_path, target->file_extension);
if (cairo_test_file_is_older (pass_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, pass_filename);
}
if (cairo_test_file_is_older (fail_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, fail_filename);
}
if (cairo_test_files_equal (out_png_path, ref_path)) {
cairo_test_log (ctx, "Vector surface matches reference.\n");
have_output = FALSE;
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, new_path)) {
cairo_test_log (ctx, "Vector surface matches current failure.\n");
have_output = FALSE;
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, xfail_path)) {
cairo_test_log (ctx, "Vector surface matches known failure.\n");
have_output = FALSE;
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (test_filename, pass_filename)) {
/* identical output as last known PASS */
cairo_test_log (ctx, "Vector surface matches last pass.\n");
have_output = TRUE;
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (test_filename, fail_filename)) {
/* identical output as last known FAIL, fail */
cairo_test_log (ctx, "Vector surface matches last fail.\n");
have_result = TRUE; /* presume these were kept around as well */
have_output = TRUE;
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
}
/* be more generous as we may need to use external renderers */
alarm (4 * ctx->timeout);
test_image = target->get_image_surface (surface, 0,
ctx->test->width,
ctx->test->height);
alarm (0);
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)));
if (cairo_surface_status (test_image) == CAIRO_STATUS_INVALID_STATUS)
ret = CAIRO_TEST_CRASHED;
else
ret = CAIRO_TEST_FAILURE;
cairo_surface_destroy (test_image);
goto UNWIND_CAIRO;
}
_xunlink (ctx, out_png_path);
diff_status = cairo_surface_write_to_png (test_image, out_png_path);
if (diff_status) {
cairo_test_log (ctx, "Error: Failed to write output image: %s\n",
cairo_status_to_string (diff_status));
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
have_output = TRUE;
/* binary compare png files (no decompression) */
if (target->file_extension == NULL) {
char *filenames[] = {
ref_png_path,
new_png_path,
xfail_png_path,
base_ref_png_path,
base_new_png_path,
base_xfail_png_path,
};
xasprintf (&test_filename, "%s", out_png_path);
xasprintf (&pass_filename, "%s.pass.png", base_path);
xasprintf (&fail_filename, "%s.fail.png", base_path);
if (cairo_test_file_is_older (pass_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, pass_filename);
}
if (cairo_test_file_is_older (fail_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, fail_filename);
}
if (cairo_test_files_equal (test_filename, pass_filename)) {
cairo_test_log (ctx, "PNG file exactly matches last pass.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, ref_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches reference image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, new_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches current failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, xfail_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches known failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (test_filename, fail_filename)) {
cairo_test_log (ctx, "PNG file exactly matches last fail.\n");
have_result = TRUE; /* presume these were kept around as well */
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
} else {
if (cairo_test_files_equal (out_png_path, ref_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches reference image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, new_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches current failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, xfail_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches known failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
}
if (cairo_test_files_equal (out_png_path, base_ref_png_path)) {
cairo_test_log (ctx, "PNG file exactly reference image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, base_new_png_path)) {
cairo_test_log (ctx, "PNG file exactly current failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, base_xfail_png_path)) {
cairo_test_log (ctx, "PNG file exactly known failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
/* first compare against the ideal reference */
ref_image = cairo_test_get_reference_image (ctx, base_ref_png_path,
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",
base_ref_png_path,
cairo_status_to_string (cairo_surface_status (ref_image)));
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
ctx->test->width,
ctx->test->height);
cmp_png_path = base_ref_png_path;
diff_status = image_diff (ctx,
test_image, ref_image, diff_image,
&result);
_xunlink (ctx, diff_png_path);
if (diff_status ||
image_diff_is_failure (&result, target->error_tolerance))
{
/* that failed, so check against the specific backend */
ref_image = cairo_test_get_reference_image (ctx, ref_png_path,
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_png_path,
cairo_status_to_string (cairo_surface_status (ref_image)));
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
cmp_png_path = ref_png_path;
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;
}
else if (image_diff_is_failure (&result, target->error_tolerance))
{
ret = CAIRO_TEST_FAILURE;
diff_status = cairo_surface_write_to_png (diff_image,
diff_png_path);
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_test_copy_file (test_filename, fail_filename);
}
else
{ /* success */
cairo_test_copy_file (test_filename, pass_filename);
}
}
else
{ /* success */
cairo_test_copy_file (test_filename, pass_filename);
}
/* If failed, compare against the current image output,
* and attempt to detect systematic failures.
*/
if (ret == CAIRO_TEST_FAILURE) {
char *image_out_path;
image_out_path =
cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
"image",
"image",
format,
CAIRO_TEST_OUT_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
if (image_out_path != NULL) {
if (cairo_test_files_equal (out_png_path,
image_out_path))
{
ret = CAIRO_TEST_XFAILURE;
}
else
{
ref_image =
cairo_image_surface_create_from_png (image_out_path);
if (cairo_surface_status (ref_image) == CAIRO_STATUS_SUCCESS)
{
diff_status = image_diff (ctx,
test_image, ref_image,
diff_image,
&result);
if (diff_status == CAIRO_STATUS_SUCCESS &&
!image_diff_is_failure (&result, target->error_tolerance))
{
ret = CAIRO_TEST_XFAILURE;
}
cairo_surface_destroy (ref_image);
}
}
free (image_out_path);
}
}
cairo_surface_destroy (test_image);
cairo_surface_destroy (diff_image);
}
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) {
cairo_test_log (ctx, "Error: Function under test left cairo status in an error state: %s\n",
cairo_status_to_string (cairo_status (cr)));
ret = CAIRO_TEST_ERROR;
goto UNWIND_CAIRO;
}
UNWIND_CAIRO:
free (test_filename);
free (fail_filename);
free (pass_filename);
test_filename = fail_filename = pass_filename = NULL;
#if HAVE_MEMFAULT
if (ret == CAIRO_TEST_FAILURE)
MEMFAULT_PRINT_FAULTS ();
#endif
cairo_destroy (cr);
UNWIND_SURFACE:
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
#if HAVE_MEMFAULT
cairo_debug_reset_static_data ();
#if HAVE_FCFINI
FcFini ();
#endif
if (MEMFAULT_COUNT_LEAKS () > 0) {
if (ret != CAIRO_TEST_FAILURE)
MEMFAULT_PRINT_FAULTS ();
MEMFAULT_PRINT_LEAKS ();
}
if (ret == CAIRO_TEST_SUCCESS && --malloc_failure_iterations > 0)
goto REPEAT;
#endif
if (have_output)
cairo_test_log (ctx, "OUTPUT: %s\n", out_png_path);
if (have_result) {
if (cmp_png_path == NULL) {
/* XXX presume we matched the normal ref last time */
cmp_png_path = ref_png_path;
}
cairo_test_log (ctx,
"REFERENCE: %s\nDIFFERENCE: %s\n",
cmp_png_path, diff_png_path);
}
UNWIND_STRINGS:
free (out_png_path);
free (ref_png_path);
free (base_ref_png_path);
free (ref_path);
free (new_png_path);
free (base_new_png_path);
free (new_path);
free (xfail_png_path);
free (base_xfail_png_path);
free (xfail_path);
free (diff_png_path);
free (base_path);
free (base_name);
return ret;
}
void FilterTile::render_cairo(FilterSlot &slot)
{
// FIX ME!
static bool tile_warning = false;
if (!tile_warning) {
g_warning("Renderer for feTile has non-optimal implementation, expect slowness and bugs.");
tile_warning = true;
}
// Fixing isn't so easy as the Inkscape renderer breaks the canvas into "rendering" tiles for
// faster rendering. (The "rendering" tiles are not the same as the tiles in this primitive.)
// Only if the the feTile tile source falls inside the current "rendering" tile will the tile
// image be available.
// This input source contains only the "rendering" tile.
cairo_surface_t *in = slot.getcairo(_input);
// For debugging
// static int i = 0;
// ++i;
// std::stringstream filename;
// filename << "dump." << i << ".png";
// cairo_surface_write_to_png( in, filename.str().c_str() );
// This is the feTile source area as determined by the input primitive area (see SVG spec).
Geom::Rect tile_area = slot.get_primitive_area(_input);
if( tile_area.width() == 0.0 || tile_area.height() == 0.0 ) {
slot.set(_output, in);
std::cerr << "FileTile::render_cairo: tile has zero width or height" << std::endl;
} else {
cairo_surface_t *out = ink_cairo_surface_create_identical(in);
// color_interpolation_filters for out same as in.
copy_cairo_surface_ci(in, out);
cairo_t *ct = cairo_create(out);
// The rectangle of the "rendering" tile.
Geom::Rect sa = slot.get_slot_area();
Geom::Affine trans = slot.get_units().get_matrix_user2pb();
// Create feTile tile ----------------
// Get tile area in pixbuf units (tile transformed).
Geom::Rect tt = tile_area * trans;
// Shift between "rendering" tile and feTile tile
Geom::Point shift = sa.min() - tt.min();
// Create feTile tile surface
cairo_surface_t *tile = cairo_surface_create_similar(in, cairo_surface_get_content(in),
tt.width(), tt.height());
cairo_t *ct_tile = cairo_create(tile);
cairo_set_source_surface(ct_tile, in, shift[Geom::X], shift[Geom::Y]);
cairo_paint(ct_tile);
// Paint tiles ------------------
// For debugging
// std::stringstream filename;
// filename << "tile." << i << ".png";
// cairo_surface_write_to_png( tile, filename.str().c_str() );
// Determine number of feTile rows and columns
Geom::Rect pr = filter_primitive_area( slot.get_units() );
int tile_cols = ceil( pr.width() / tile_area.width() );
int tile_rows = ceil( pr.height() / tile_area.height() );
// Do tiling (TO DO: restrict to slot area.)
for( int col=0; col < tile_cols; ++col ) {
for( int row=0; row < tile_rows; ++row ) {
Geom::Point offset( col*tile_area.width(), row*tile_area.height() );
offset *= trans;
offset[Geom::X] -= trans[4];
offset[Geom::Y] -= trans[5];
cairo_set_source_surface(ct, tile, offset[Geom::X], offset[Geom::Y]);
cairo_paint(ct);
}
}
slot.set(_output, out);
// Clean up
cairo_destroy(ct);
cairo_surface_destroy(out);
cairo_destroy(ct_tile);
cairo_surface_destroy(tile);
}
}
static void
gimp_view_renderer_real_draw (GimpViewRenderer *renderer,
GtkWidget *widget,
cairo_t *cr,
gint available_width,
gint available_height)
{
if (renderer->needs_render)
GIMP_VIEW_RENDERER_GET_CLASS (renderer)->render (renderer, widget);
if (renderer->pixbuf)
{
gint width = gdk_pixbuf_get_width (renderer->pixbuf);
gint height = gdk_pixbuf_get_height (renderer->pixbuf);
gint x, y;
if (renderer->bg_icon_name)
{
if (! renderer->pattern)
{
renderer->pattern = gimp_view_renderer_create_background (renderer,
widget);
}
cairo_set_source (cr, renderer->pattern);
cairo_paint (cr);
}
x = (available_width - width) / 2;
y = (available_height - height) / 2;
gdk_cairo_set_source_pixbuf (cr, renderer->pixbuf, x, y);
cairo_rectangle (cr, x, y, width, height);
cairo_fill (cr);
}
else if (renderer->surface)
{
cairo_content_t content = cairo_surface_get_content (renderer->surface);
gint width = renderer->width;
gint height = renderer->height;
gint offset_x = (available_width - width) / 2;
gint offset_y = (available_height - height) / 2;
cairo_translate (cr, offset_x, offset_y);
cairo_rectangle (cr, 0, 0, width, height);
if (content == CAIRO_CONTENT_COLOR_ALPHA)
{
if (! renderer->pattern)
renderer->pattern =
gimp_cairo_checkerboard_create (cr, GIMP_CHECK_SIZE_SM,
gimp_render_light_check_color (),
gimp_render_dark_check_color ());
cairo_set_source (cr, renderer->pattern);
cairo_fill_preserve (cr);
}
cairo_set_source_surface (cr, renderer->surface, 0, 0);
cairo_fill (cr);
cairo_translate (cr, - offset_x, - offset_y);
}
}
