diff --git a/src/dorkbox/util/jna/JnaHelper.java b/src/dorkbox/util/jna/JnaHelper.java new file mode 100644 index 0000000..ee9dde0 --- /dev/null +++ b/src/dorkbox/util/jna/JnaHelper.java @@ -0,0 +1,44 @@ +/* + * Copyright 2016 dorkbox, llc + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package dorkbox.util.jna; + +import java.util.HashMap; +import java.util.Map; + +import com.sun.jna.Library; +import com.sun.jna.Native; +import com.sun.jna.NativeLibrary; + +/** + * Helper method to get the library info from JNA when registering via direct map + */ +public +class JnaHelper { + @SuppressWarnings("unchecked") + public static + NativeLibrary register(final String libraryName, final Class clazz) throws IllegalArgumentException { + final Map options = new HashMap(); + options.put(Library.OPTION_CLASSLOADER, clazz.getClassLoader()); + + final NativeLibrary library = NativeLibrary.getInstance(libraryName, options); + if (library == null) { + throw new IllegalArgumentException(libraryName + " doesn't exist or cannot be loaded."); + } + + Native.register(clazz, library); + return library; + } +} diff --git a/src/dorkbox/util/jna/windows/Gdi32.java b/src/dorkbox/util/jna/windows/Gdi32.java new file mode 100644 index 0000000..f5a945a --- /dev/null +++ b/src/dorkbox/util/jna/windows/Gdi32.java @@ -0,0 +1,50 @@ +/* + * Copyright 2015 dorkbox, llc + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package dorkbox.util.jna.windows; + +import com.sun.jna.Pointer; + +import dorkbox.util.jna.JnaHelper; + +/** + * bindings for GDI32 + * + * Direct-mapping, See: https://github.com/java-native-access/jna/blob/master/www/DirectMapping.md + */ +public +class Gdi32 { + + static { + JnaHelper.register("gdi32", Gdi32.class); + } + + /** + * Number of pixels per logical inch along the screen width. In a system with multiple display monitors, this value is the same for + * all monitors. + */ + public static final int LOGPIXELSX = 88; + + + /** + * The GetDeviceCaps function retrieves device-specific information for the specified device. + * + * https://msdn.microsoft.com/en-us/library/dd144877(v=vs.85).aspx + * + * @param handle A handle to the DC. + * @param nIndex The item to be returned. + */ + public static native int GetDeviceCaps(Pointer handle, int nIndex); +} diff --git a/src/dorkbox/util/jna/windows/POINT.java b/src/dorkbox/util/jna/windows/POINT.java new file mode 100644 index 0000000..44f204b --- /dev/null +++ b/src/dorkbox/util/jna/windows/POINT.java @@ -0,0 +1,64 @@ +/* + * Copyright 2016 dorkbox, llc + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package dorkbox.util.jna.windows; + +import java.util.Arrays; +import java.util.List; + +import com.sun.jna.Structure; + +/** + * https://msdn.microsoft.com/en-us/library/windows/desktop/dd162805(v=vs.85).aspx + */ +public +class POINT extends Structure { + public long x; + public long y; + + public + POINT() { + } + + public + POINT(final long x, final long y) { + this.x = x; + this.y = y; + } + + public + POINT.ByValue asValue() { + POINT.ByValue copy = new POINT.ByValue(); + copy.x = this.x; + copy.y = this.y; + return copy; + } + + @Override + protected + List getFieldOrder() { + return Arrays.asList("x", "y"); + } + + @Override + public + String toString() { + return x + ":" + y; + } + + + static public + class ByValue extends POINT implements Structure.ByValue {} +} diff --git a/src/dorkbox/util/jna/windows/ShCore.java b/src/dorkbox/util/jna/windows/ShCore.java new file mode 100644 index 0000000..80e9aae --- /dev/null +++ b/src/dorkbox/util/jna/windows/ShCore.java @@ -0,0 +1,68 @@ +/* + * Copyright 2017 dorkbox, llc + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package dorkbox.util.jna.windows; + +import com.sun.jna.Pointer; +import com.sun.jna.ptr.IntByReference; + +import dorkbox.util.jna.JnaHelper; + + +/** + * bindings for ShCore.dll + * + * Minimum supported client + * Windows 8.1 [desktop apps only] + * + * Minimum supported server + * Windows Server 2012 R2 [desktop apps only] + * + *

+ * Direct-mapping, See: https://github.com/java-native-access/jna/blob/master/www/DirectMapping.md + */ +public +class ShCore { + static { + JnaHelper.register("shcore", ShCore.class); + } + + + /** + * https://msdn.microsoft.com/de-de/library/windows/desktop/dn280510(v=vs.85).aspx + * + * @param hmonitor A handle to the window whose DC is to be retrieved. If this value is NULL, GetDC retrieves the DC for the entire + * screen. + * + * @param dpiType + * MDT_EFFECTIVE_DPI = 0, + * The effective DPI. This value should be used when determining the correct scale factor for scaling UI elements. This + * incorporates the scale factor set by the user for this specific display. + * MDT_ANGULAR_DPI = 1, + * The angular DPI. This DPI ensures rendering at a compliant angular resolution on the screen. This does not include the + * scale factor set by the user for this specific display. + * MDT_RAW_DPI = 2, + * The raw DPI. This value is the linear DPI of the screen as measured on the screen itself. Use this value when you want + * to read the pixel density and not the recommended scaling setting. This does not include the scale factor set by the user + * for this specific display and is not guaranteed to be a supported DPI value. + * MDT_DEFAULT = MDT_EFFECTIVE_DPI + * + * + * @return if the function succeeds, the return value is a handle to the DC for the specified window's client area. If the function + * fails, the return value is NULL. + */ + public static native + Pointer GetDpiForMonitor(Pointer hmonitor, int dpiType, IntByReference dpiX, IntByReference dpiY); +} diff --git a/src/dorkbox/util/jna/windows/User32.java b/src/dorkbox/util/jna/windows/User32.java new file mode 100644 index 0000000..48aa0fd --- /dev/null +++ b/src/dorkbox/util/jna/windows/User32.java @@ -0,0 +1,59 @@ +/* + * Copyright 2015 dorkbox, llc + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package dorkbox.util.jna.windows; + +import com.sun.jna.Pointer; + +import dorkbox.util.jna.JnaHelper; + + +/** + * bindings for User32 + *

+ * Direct-mapping, See: https://github.com/java-native-access/jna/blob/master/www/DirectMapping.md + */ +public +class User32 { + + static { + JnaHelper.register("user32", User32.class); + } + + /** + * https://msdn.microsoft.com/en-us/library/windows/desktop/dd144871(v=vs.85).aspx + * + * @param shouldBeNull A handle to the window whose DC is to be retrieved. If this value is NULL, GetDC retrieves the DC for the entire + * screen. + * + * @return if the function succeeds, the return value is a handle to the DC for the specified window's client area. If the function + * fails, the return value is NULL. + */ + public static native + Pointer GetDC(Pointer shouldBeNull); + + /** + * https://msdn.microsoft.com/en-us/library/windows/desktop/dd162920(v=vs.85).aspx + */ + public static native + void ReleaseDC(Pointer shouldBeNull, Pointer dcHandle); + + + /** + * https://msdn.microsoft.com/en-us/library/windows/desktop/dd145062(v=vs.85).aspx + */ + public static native + Pointer MonitorFromPoint(POINT.ByValue pt, int shouldBeOne); +}