| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| #include <X11/X.h> |
| #include <X11/Xlib.h> |
| #include "swt.h" |
| #include "structs.h" |
| |
| typedef struct XVisualInfo_FID_CACHE { |
| int cached; |
| jclass clazz; |
| jfieldID visual, visualid, screen, depth, cclass, red_mask, green_mask, blue_mask, colormap_size, bits_per_rgb; |
| } XVisualInfo_FID_CACHE; |
| typedef XVisualInfo_FID_CACHE *PXVisualInfo_FID_CACHE; |
| |
| XVisualInfo_FID_CACHE XVisualInfoFc; |
| |
| void cacheXVisualInfoFids(JNIEnv *env, jobject lpObject, PXVisualInfo_FID_CACHE lpCache) |
| { |
| if (lpCache->cached) return; |
| lpCache->clazz = (*env)->GetObjectClass(env, lpObject); |
| lpCache->visual = (*env)->GetFieldID(env, lpCache->clazz, "visual", "I"); |
| lpCache->visualid = (*env)->GetFieldID(env, lpCache->clazz, "visualid", "I"); |
| lpCache->screen = (*env)->GetFieldID(env, lpCache->clazz, "screen", "I"); |
| lpCache->depth = (*env)->GetFieldID(env, lpCache->clazz, "depth", "I"); |
| lpCache->cclass = (*env)->GetFieldID(env, lpCache->clazz, "cclass", "I"); |
| lpCache->red_mask = (*env)->GetFieldID(env, lpCache->clazz, "red_mask", "I"); |
| lpCache->green_mask = (*env)->GetFieldID(env, lpCache->clazz, "green_mask", "I"); |
| lpCache->blue_mask = (*env)->GetFieldID(env, lpCache->clazz, "blue_mask", "I"); |
| lpCache->colormap_size = (*env)->GetFieldID(env, lpCache->clazz, "colormap_size", "I"); |
| lpCache->bits_per_rgb = (*env)->GetFieldID(env, lpCache->clazz, "bits_per_rgb", "I"); |
| lpCache->cached = 1; |
| } |
| |
| XVisualInfo *getXVisualInfoFields(JNIEnv *env, jobject lpObject, XVisualInfo *lpStruct) |
| { |
| PXVisualInfo_FID_CACHE lpCache = &XVisualInfoFc; |
| if (!lpCache->cached) cacheXVisualInfoFids(env, lpObject, lpCache); |
| lpStruct->visual = (Visual *)(*env)->GetIntField(env, lpObject, lpCache->visual); |
| lpStruct->visualid = (*env)->GetIntField(env, lpObject, lpCache->visualid); |
| lpStruct->screen = (*env)->GetIntField(env, lpObject, lpCache->screen); |
| lpStruct->depth = (*env)->GetIntField(env, lpObject, lpCache->depth); |
| lpStruct->class = (*env)->GetIntField(env, lpObject, lpCache->cclass); |
| lpStruct->red_mask = (*env)->GetIntField(env, lpObject, lpCache->red_mask); |
| lpStruct->green_mask = (*env)->GetIntField(env, lpObject, lpCache->green_mask); |
| lpStruct->blue_mask = (*env)->GetIntField(env, lpObject, lpCache->blue_mask); |
| lpStruct->colormap_size = (*env)->GetIntField(env, lpObject, lpCache->colormap_size); |
| lpStruct->bits_per_rgb = (*env)->GetIntField(env, lpObject, lpCache->bits_per_rgb); |
| return lpStruct; |
| } |
| |
| void setXVisualInfoFields(JNIEnv *env, jobject lpObject, XVisualInfo *lpStruct) |
| { |
| PXVisualInfo_FID_CACHE lpCache = &XVisualInfoFc; |
| if (!lpCache->cached) cacheXVisualInfoFids(env, lpObject, lpCache); |
| (*env)->SetIntField(env, lpObject, lpCache->visual, (jint)lpStruct->visual); |
| (*env)->SetIntField(env, lpObject, lpCache->visualid, (jint)lpStruct->visualid); |
| (*env)->SetIntField(env, lpObject, lpCache->screen, (jint)lpStruct->screen); |
| (*env)->SetIntField(env, lpObject, lpCache->depth, (jint)lpStruct->depth); |
| (*env)->SetIntField(env, lpObject, lpCache->cclass, (jint)lpStruct->class); |
| (*env)->SetIntField(env, lpObject, lpCache->red_mask, (jint)lpStruct->red_mask); |
| (*env)->SetIntField(env, lpObject, lpCache->green_mask, (jint)lpStruct->green_mask); |
| (*env)->SetIntField(env, lpObject, lpCache->blue_mask, (jint)lpStruct->blue_mask); |
| (*env)->SetIntField(env, lpObject, lpCache->colormap_size, (jint)lpStruct->colormap_size); |
| (*env)->SetIntField(env, lpObject, lpCache->bits_per_rgb, (jint)lpStruct->bits_per_rgb); |
| } |