1 files changed, 88 insertions, 0 deletions
diff --git a/krita/core/tests/kis_image_tester.cpp b/krita/core/tests/kis_image_tester.cpp
new file mode 100644
index 00000000..ee180787
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+++ b/krita/core/tests/kis_image_tester.cpp
@@ -0,0 +1,88 @@
+/*
+ *  Copyright (c) 2005 Adrian Page <adrian@pagenet.plus.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <qapplication.h>
+
+#include <kunittest/runner.h>
+#include <kunittest/module.h>
+
+#include "kis_image_tester.h"
+#include "kis_image.h"
+#include "kis_meta_registry.h"
+#include "kis_rgb_colorspace.h"
+#include "kis_colorspace_factory_registry.h"
+#include "kis_color.h"
+#include "kis_paint_layer.h"
+#include "kis_group_layer.h"
+
+using namespace KUnitTest;
+
+KUNITTEST_MODULE(kunittest_kis_image_tester, "KisImage Tester");
+KUNITTEST_MODULE_REGISTER_TESTER(KisImageTester);
+
+void KisImageTester::allTests()
+{
+    mergeTests();
+}
+
+#define IMAGE_WIDTH 1
+#define IMAGE_HEIGHT 1
+
+void KisImageTester::mergeTests()
+{
+    KisColorSpace * colorSpace = KisMetaRegistry::instance()->csRegistry()->getColorSpace(KisID("RGBA", ""), "");
+
+    KisImageSP image = new KisImage(0, IMAGE_WIDTH, IMAGE_HEIGHT, colorSpace, "merge test");
+
+    KisColor mergedPixel = image->mergedPixel(0, 0);
+
+    QColor colour;
+    Q_UINT8 opacity;
+
+    mergedPixel.toQColor(&colour, &opacity);
+
+    CHECK(opacity, OPACITY_TRANSPARENT);
+
+    KisPaintLayer * layer = new KisPaintLayer(image, "layer 1", OPACITY_OPAQUE);
+    image->addLayer(layer, image->rootLayer(), 0);
+
+    layer->paintDevice()->setPixel(0, 0, QColor(255, 128, 64), OPACITY_OPAQUE);
+
+    mergedPixel = image->mergedPixel(0, 0);
+    mergedPixel.toQColor(&colour, &opacity);
+
+    CHECK(opacity, OPACITY_OPAQUE);
+    CHECK(colour.red(), 255);
+    CHECK(colour.green(), 128);
+    CHECK(colour.blue(), 64);
+
+    KisPaintLayer * layer2 = new KisPaintLayer(image, "layer 2", OPACITY_OPAQUE / 2);
+    image->addLayer(layer2, image->rootLayer(), layer);
+
+    layer2->paintDevice()->setPixel(0, 0, QColor(255, 255, 255), OPACITY_OPAQUE);
+
+    mergedPixel = image->mergedPixel(0, 0);
+    mergedPixel.toQColor(&colour, &opacity);
+
+    CHECK(opacity, OPACITY_OPAQUE);
+    CHECK(colour.red(), 255);
+    CHECK(colour.green(), 128 + ((255 - 128) / 2));
+    CHECK(colour.blue(), 64 + ((255 - 64) / 2));
+}
+
+