changeset 19:6400830bb36b

Client: add some JavaScript bindings for Image, #457
author David Demelier <markand@malikania.fr>
date Mon, 04 Apr 2016 13:20:06 +0200
parents cc13926bed59
children 787c2adb366c
files libclient/CMakeLists.txt libclient/malikania/js-image.cpp libclient/malikania/js-image.h tests/libclient/CMakeLists.txt tests/libclient/js-image/CMakeLists.txt tests/libclient/js-image/main.cpp tests/libclient/js-image/resources/images/smiley.png
diffstat 7 files changed, 269 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/libclient/CMakeLists.txt	Sun Apr 03 20:10:37 2016 +0200
+++ b/libclient/CMakeLists.txt	Mon Apr 04 13:20:06 2016 +0200
@@ -25,6 +25,7 @@
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/font.h
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/image.h
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-color.h
+	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-image.h
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-line.h
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-point.h
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-rectangle.h
@@ -49,6 +50,7 @@
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/font.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/image.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-color.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-image.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-line.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-point.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/malikania/js-rectangle.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libclient/malikania/js-image.cpp	Mon Apr 04 13:20:06 2016 +0200
@@ -0,0 +1,88 @@
+/*
+ * js-image.cpp -- image object (JavaScript binding)
+ *
+ * Copyright (c) 2013-2016 Malikania Authors
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "client-resources-loader.h"
+#include "js-image.h"
+#include "js-point.h"
+#include "js-rectangle.h"
+#include "js-window.h"
+
+namespace malikania {
+
+namespace {
+
+duk::Ret constructor(duk::ContextPtr ctx)
+{
+	duk::StackAssert sa(ctx);
+
+	if (!duk_is_constructor_call(ctx)) {
+		duk::raise(ctx, DUK_ERR_ERROR, "image must be new-constructed");
+	}
+
+	try {
+		auto loader = duk::getGlobal<duk::RawPointer<ClientResourcesLoader>>(ctx, "\xff""\xff""loader");
+		auto image = loader->loadImage(duk::require<std::string>(ctx, 0));
+
+		duk::construct(ctx, duk::Pointer<Image>{new Image(std::move(image))});
+	} catch (const std::exception &ex) {
+		duk::raise(ctx, DUK_ERR_ERROR, "%s", ex.what());
+	}
+
+	return 0;
+}
+
+duk::Ret draw(duk::ContextPtr ctx)
+{
+	try {
+		auto self = duk::self<duk::Pointer<Image>>(ctx);
+		auto window = duk::get<duk::Pointer<Window>>(ctx, 0);
+
+		if (duk::top(ctx) == 2) {
+			self->draw(*window, duk::get<Point>(ctx, 1));
+		} else if (duk::top(ctx) == 3) {
+			self->draw(*window, duk::get<Rectangle>(ctx, 1), duk::get<Rectangle>(ctx, 2));
+		} else {
+			duk::raise(ctx, DUK_ERR_TYPE_ERROR, "invalid number of arguments: #%d", duk::top(ctx));
+		}
+	} catch (const std::exception &ex) {
+		duk::raise(ctx, DUK_ERR_ERROR, "%s", ex.what());
+	}
+
+	return 0;
+}
+
+const duk::FunctionMap methods{
+	{ "draw",	{ draw,		DUK_VARARGS } }
+};
+
+} // !namespace
+
+void loadMalikaniaImage(duk::ContextPtr ctx)
+{
+	duk::StackAssert sa(ctx);
+
+	duk::getGlobal<void>(ctx, "Malikania");
+	duk::push(ctx, duk::Function{constructor, 1});
+	duk::push(ctx, duk::Object());
+	duk::push(ctx, methods);
+	duk::putProperty(ctx, -2, "prototype");
+	duk::putProperty(ctx, -2, "Image");
+	duk::pop(ctx);
+}
+
+} // !malikania
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libclient/malikania/js-image.h	Mon Apr 04 13:20:06 2016 +0200
@@ -0,0 +1,49 @@
+/*
+ * js-image.h -- image object (JavaScript binding)
+ *
+ * Copyright (c) 2013-2016 Malikania Authors
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef MALIKANIA_JS_IMAGE_H
+#define MALIKANIA_JS_IMAGE_H
+
+#include "image.h"
+#include "js.h"
+
+namespace malikania {
+
+namespace duk {
+
+template <>
+class TypeTraits<Image> {
+public:
+	static inline std::string name()
+	{
+		return "\xff""\xff""Image";
+	}
+
+	static inline std::vector<std::string> inherits()
+	{
+		return {};
+	}
+};
+
+} // !duk
+
+void loadMalikaniaImage(duk::ContextPtr ctx);
+
+} // !malikania
+
+#endif // !MALIKANIA_JS_IMAGE_H
--- a/tests/libclient/CMakeLists.txt	Sun Apr 03 20:10:37 2016 +0200
+++ b/tests/libclient/CMakeLists.txt	Mon Apr 04 13:20:06 2016 +0200
@@ -28,6 +28,7 @@
 
 # JavaScript bindings
 add_subdirectory(js-color)
+add_subdirectory(js-image)
 add_subdirectory(js-line)
 add_subdirectory(js-point)
 add_subdirectory(js-rectangle)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/libclient/js-image/CMakeLists.txt	Mon Apr 04 13:20:06 2016 +0200
@@ -0,0 +1,25 @@
+#
+# CMakeLists.txt -- CMake build system for malikania
+#
+# Copyright (c) 2013-2016 Malikania Authors
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+malikania_create_test(
+	NAME js-image
+	LIBRARIES libclient
+	SOURCES main.cpp
+	RESOURCES
+		resources/images/smiley.png
+)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/libclient/js-image/main.cpp	Mon Apr 04 13:20:06 2016 +0200
@@ -0,0 +1,104 @@
+/*
+ * main.cpp -- test Image (JavaScript binding)
+ *
+ * Copyright (c) 2013-2016 Malikania Authors
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <chrono>
+#include <thread>
+
+#include <gtest/gtest.h>
+
+#include <malikania/client-resources-loader.h>
+#include <malikania/js-image.h>
+#include <malikania/js-window.h>
+#include <malikania/resources-locator.h>
+
+using namespace malikania;
+
+using namespace std::chrono_literals;
+
+class TestImage : public testing::Test {
+protected:
+	ResourcesLocatorDirectory m_locator;
+	ClientResourcesLoader m_loader;
+
+	duk::Context m_ctx;
+
+public:
+	TestImage()
+		: m_locator(SOURCE_DIRECTORY "/resources")
+		, m_loader(m_locator)
+	{
+		duk::putGlobal(m_ctx, "Malikania", duk::Object());
+
+		loadMalikaniaImage(m_ctx);
+		loadMalikaniaWindow(m_ctx);
+
+		/* Store the loader */
+		duk::putGlobal(m_ctx, "\xff""\xff""loader", duk::RawPointer<ClientResourcesLoader>{&m_loader});
+	}
+};
+
+TEST_F(TestImage, basic)
+{
+	try {
+		auto ret = duk::pevalString(m_ctx,
+			"w = new Malikania.Window();"
+			"i = new Malikania.Image('images/smiley.png');"
+			"w.setDrawingColor('lightskyblue');"
+			"w.clear();"
+			"i.draw(w, { x: 320 - 16, y: 240 - 16 });"
+			"w.present();"
+		);
+
+		if (ret != 0) {
+			throw duk::error(m_ctx, -1);
+		}
+
+		std::this_thread::sleep_for(3s);
+	} catch (const std::exception &ex) {
+		FAIL() << ex.what();
+	}
+}
+
+TEST_F(TestImage, stretch)
+{
+	try {
+		auto ret = duk::pevalString(m_ctx,
+			"w = new Malikania.Window();"
+			"i = new Malikania.Image('images/smiley.png');"
+			"w.setDrawingColor('lightskyblue');"
+			"w.clear();"
+			"i.draw(w, null, { x: 10, y: 10, width: 620, height: 460 });"
+			"w.present();"
+		);
+
+		if (ret != 0) {
+			throw duk::error(m_ctx, -1);
+		}
+
+		std::this_thread::sleep_for(3s);
+	} catch (const std::exception &ex) {
+		FAIL() << ex.what();
+	}
+}
+
+int main(int argc, char **argv)
+{
+	testing::InitGoogleTest(&argc, argv);
+
+	return RUN_ALL_TESTS();
+}
Binary file tests/libclient/js-image/resources/images/smiley.png has changed