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[GTK] Move snapshot mechanism to Java layer
This exposes the GDK/Cairo methods to allow us to implement taking a screenshot of an SWT widget directly in Java. To improve readability, the C methods have been split into separate GDK, GTK and Cairo files. See eclipse-windowbuilder#871
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Patrick Ziegler and others. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Patrick Ziegler - initial API and implementation | ||
| ******************************************************************************/ | ||
| #include "wbp.h" | ||
| #include <jni.h> | ||
|
|
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| JNIEXPORT jint JNICALL OS_NATIVE(_1CAIRO_1FORMAT_1ARGB32) | ||
| (JNIEnv *envir, jobject that) { | ||
| return (jint) CAIRO_FORMAT_ARGB32; | ||
| } | ||
|
|
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| JNIEXPORT jint JNICALL OS_NATIVE(_1CAIRO_1OPERATOR_1SOURCE) | ||
| (JNIEnv *envir, jobject that) { | ||
| return (jint) CAIRO_OPERATOR_SOURCE; | ||
| } | ||
|
|
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| JNIEXPORT JHANDLE JNICALL OS_NATIVE(_1cairo_1create) | ||
| (JNIEnv *envir, jobject that, JHANDLE target) { | ||
| return (JHANDLE) cairo_create((cairo_surface_t *)(CHANDLE) target); | ||
| } | ||
|
|
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| JNIEXPORT JHANDLE JNICALL OS_NATIVE(_1cairo_1image_1surface_1create) | ||
| (JNIEnv *envir, jobject that, jint format, jint width, jint height) { | ||
| return (JHANDLE) cairo_image_surface_create((cairo_format_t)format, (int) width, (int) height); | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1cairo_1clip) | ||
| (JNIEnv *envir, jobject that, JHANDLE cr) { | ||
| cairo_clip((cairo_t *)(CHANDLE) cr); | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1cairo_1paint) | ||
| (JNIEnv *envir, jobject that, JHANDLE cr) { | ||
| cairo_paint((cairo_t *)(CHANDLE) cr); | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1cairo_1set_1operator) | ||
| (JNIEnv *envir, jobject that, JHANDLE cr, jint op) { | ||
| cairo_set_operator((cairo_t *)(CHANDLE) cr, (cairo_operator_t) op); | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1cairo_1destroy) | ||
| (JNIEnv *envir, jobject that, JHANDLE cr) { | ||
| cairo_destroy((cairo_t *)(CHANDLE) cr); | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1cairo_1surface_1flush) | ||
| (JNIEnv *envir, jobject that, JHANDLE surface) { | ||
| cairo_surface_flush((cairo_surface_t *)(CHANDLE) surface); | ||
| } | ||
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| JNIEXPORT void JNICALL OS_NATIVE(_1cairo_1region_1destroy) | ||
| (JNIEnv *envir, jobject that, JHANDLE region) { | ||
| cairo_region_destroy((cairo_region_t *)(CHANDLE) region); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Patrick Ziegler and others. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Patrick Ziegler - initial API and implementation | ||
| ******************************************************************************/ | ||
| #include "wbp.h" | ||
| #include <jni.h> | ||
|
|
||
| //////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // JNI | ||
| // | ||
| //////////////////////////////////////////////////////////////////////////// | ||
|
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| JNIEXPORT jboolean JNICALL OS_NATIVE(_1gdk_1window_1is_1visible) | ||
| (JNIEnv *envir, jobject that, JHANDLE windowHandle) { | ||
| return gdk_window_is_visible((GdkWindow*)(CHANDLE) windowHandle); | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1gdk_1window_1get_1geometry) | ||
| (JNIEnv *envir, jobject that, JHANDLE windowHandle, jintArray x, jintArray y, jintArray width, jintArray height) { | ||
| jint x1; | ||
| jint y1; | ||
| jint width1; | ||
| jint height1; | ||
| gdk_window_get_geometry((GdkWindow*)(CHANDLE) windowHandle, &x1, &y1, &width1, &height1); | ||
| if (x != NULL) { | ||
| (*envir) -> SetIntArrayRegion(envir, x, 0, 1, &x1); | ||
| } | ||
| if (y != NULL) { | ||
| (*envir) -> SetIntArrayRegion(envir, y, 0, 1, &y1); | ||
| } | ||
| if (width != NULL) { | ||
| (*envir) -> SetIntArrayRegion(envir, width, 0, 1, &width1); | ||
| } | ||
| if (height != NULL) { | ||
| (*envir) -> SetIntArrayRegion(envir, height, 0, 1, &height1); | ||
| } | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1gdk_1window_1process_1updates) | ||
| (JNIEnv *envir, jobject that, JHANDLE widgetHandle, jboolean update_children) { | ||
| gdk_window_process_updates((GdkWindow*)(CHANDLE) widgetHandle, (gboolean) update_children); | ||
| } | ||
|
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| JNIEXPORT JHANDLE JNICALL OS_NATIVE(_1gdk_1window_1get_1visible_1region) | ||
| (JNIEnv *envir, jobject that, JHANDLE window) { | ||
| return (JHANDLE) gdk_window_get_visible_region((GdkWindow *)(CHANDLE) window); | ||
| } | ||
|
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| JNIEXPORT void JNICALL OS_NATIVE(_1gdk_1cairo_1region) | ||
| (JNIEnv *envir, jobject that, JHANDLE cr, JHANDLE region) { | ||
| gdk_cairo_region((cairo_t *)(CHANDLE) cr, (cairo_region_t *)(CHANDLE) region); | ||
| } | ||
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| JNIEXPORT void JNICALL OS_NATIVE(_1gdk_1cairo_1set_1source_1window) | ||
| (JNIEnv *envir, jobject that, JHANDLE cr, JHANDLE window, jdouble x, jdouble y) { | ||
| gdk_cairo_set_source_window((cairo_t *)(CHANDLE) cr, (GdkWindow *)(CHANDLE) window, (gdouble)x, (gdouble)y); | ||
| } |
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