void onDraw(SkCanvas* canvas) override {
this->drawBG(canvas);
if (true) {
SkRect r;
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(120));
SkPaint p;
canvas->saveLayer(&r, &p);
canvas->drawColor(0xFFFF0000);
p.setAlpha(0); // or 0
p.setXfermodeMode(SkXfermode::kSrc_Mode);
canvas->drawOval(r, p);
canvas->restore();
return;
}
if (false) {
SkRect r;
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(120));
SkPaint p;
p.setAlpha(0x88);
p.setAntiAlias(true);
if (true) {
canvas->saveLayer(&r, &p);
p.setColor(0xFFFF0000);
canvas->drawOval(r, p);
canvas->restore();
}
p.setColor(0xFF0000FF);
r.offset(SkIntToScalar(20), SkIntToScalar(50));
canvas->drawOval(r, p);
}
if (false) {
SkPaint p;
p.setAlpha(0x88);
p.setAntiAlias(true);
canvas->translate(SkIntToScalar(300), 0);
SkRect r;
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(60));
canvas->saveLayer(&r, &p);
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(120));
p.setColor(SK_ColorBLUE);
canvas->drawOval(r, p);
canvas->restore();
return;
}
test_fade(canvas);
}
int
main (int argc,
char **argv)
{
GError *error = NULL;
int op, event, err;
#ifdef ENABLE_NLS
bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
# ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
# endif
textdomain (GETTEXT_PACKAGE);
#endif
if (error) {
fprintf (stderr, "%s\n", error->message);
exit (1);
}
if (! gtk_init_with_args (&argc, &argv, NULL, NULL, NULL, &error)) {
fprintf (stderr, "%s", error->message);
g_error_free (error);
exit (1);
}
if (! XQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), XF86_VIDMODE_NAME, &op, &event, &err)) {
g_message ("no " XF86_VIDMODE_NAME " extension");
} else {
# ifdef HAVE_XF86VMODE_GAMMA
int major;
int minor;
if (! XF86VidModeQueryVersion (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &major, &minor)) {
g_message ("unable to get " XF86_VIDMODE_NAME " version");
} else {
g_message (XF86_VIDMODE_NAME " version %d.%d", major, minor);
}
# else /* !HAVE_XF86VMODE_GAMMA */
g_message ("no support for display's " XF86_VIDMODE_NAME " extension");
# endif /* !HAVE_XF86VMODE_GAMMA */
}
gs_debug_init (TRUE, FALSE);
test_fade ();
gs_debug_shutdown ();
return 0;
}
static void test_fade(int max)
{
int i;
static const struct timespec ts = { .tv_sec = 0, .tv_nsec = FADESPEED*1000000 };
/* Fade out, then in */
for (i = max; i > 0; i -= max / FADESTEPS) {
test_and_verify(i);
nanosleep(&ts, NULL);
}
for (i = 0; i <= max; i += max / FADESTEPS) {
test_and_verify(i);
nanosleep(&ts, NULL);
}
}
igt_main
{
int max, old;
igt_skip_on_simulation();
igt_fixture {
/* Get the max value and skip the whole test if sysfs interface not available */
igt_skip_on(backlight_read(&old, "brightness"));
igt_assert(backlight_read(&max, "max_brightness") > -1);
}
igt_subtest("basic-brightness")
test_brightness(max);
igt_subtest("bad-brightness")
test_bad_brightness(max);
igt_subtest("fade")
test_fade(max);
igt_fixture {
/* Restore old brightness */
backlight_write(old, "brightness");
}
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
if (true) {
SkRect r;
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(120));
SkPaint p;
canvas->saveLayer(&r, &p);
canvas->drawColor(0xFFFF0000);
p.setAlpha(1); // or 0
p.setXfermodeMode(SkXfermode::kSrc_Mode);
canvas->drawOval(r, p);
canvas->restore();
return;
}
if (false) {
SkRect r;
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(120));
SkPaint p;
p.setAlpha(0x88);
p.setAntiAlias(true);
if (true) {
canvas->saveLayer(&r, &p);
p.setColor(0xFFFF0000);
canvas->drawOval(r, p);
canvas->restore();
}
p.setColor(0xFF0000FF);
r.offset(SkIntToScalar(20), SkIntToScalar(50));
canvas->drawOval(r, p);
}
if (false) {
SkPaint p;
p.setAlpha(0x88);
p.setAntiAlias(true);
canvas->translate(SkIntToScalar(300), 0);
SkRect r;
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(60));
canvas->saveLayer(&r, &p, (SkCanvas::SaveFlags)(SkCanvas::kHasAlphaLayer_SaveFlag | SkCanvas::kFullColorLayer_SaveFlag));
// canvas->clipRect(r, SkRegion::kDifference_Op);
// canvas->clipRect(r, SkRegion::kIntersect_Op);
r.set(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(220), SkIntToScalar(120));
p.setColor(SK_ColorBLUE);
canvas->drawOval(r, p);
canvas->restore();
return;
}
//canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
test_fade(canvas);
return;
// canvas->setDrawFilter(new RedFilter)->unref();
SkRect r;
SkPaint p;
canvas->translate(SkIntToScalar(220), SkIntToScalar(20));
p.setAntiAlias(true);
r.set(SkIntToScalar(20), SkIntToScalar(20),
SkIntToScalar(220), SkIntToScalar(120));
p.setColor(SK_ColorBLUE);
// p.setMaskFilter(SkBlurMaskFilter::Create(SkIntToScalar(8), SkBlurMaskFilter::kNormal_BlurStyle))->unref();
canvas->drawRect(r, p);
p.setMaskFilter(NULL);
SkRect bounds = r;
bounds.fBottom = bounds.centerY();
canvas->saveLayer(&bounds, NULL, SkCanvas::kARGB_NoClipLayer_SaveFlag);
p.setColor(SK_ColorRED);
canvas->drawOval(r, p);
p.setAlpha(0x80);
p.setXfermodeMode(SkXfermode::kDstIn_Mode);
canvas->drawRect(bounds, p);
canvas->restore();
}