| /* | |
| * Copyright (c) 1999, 2024, Oracle and/or its affiliates. All rights reserved. | |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| * | |
| * This code is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License version 2 only, as | |
| * published by the Free Software Foundation. Oracle designates this | |
| * particular file as subject to the "Classpath" exception as provided | |
| * by Oracle in the LICENSE file that accompanied this code. | |
| * | |
| * This code 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 | |
| * version 2 for more details (a copy is included in the LICENSE file that | |
| * accompanied this code). | |
| * | |
| * You should have received a copy of the GNU General Public License version | |
| * 2 along with this work; if not, write to the Free Software Foundation, | |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| * | |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| * or visit www.oracle.com if you need additional information or have any | |
| * questions. | |
| */ | |
| #include "X11SurfaceData.h" | |
| #include "GraphicsPrimitiveMgr.h" | |
| #include "Region.h" | |
| #include "Trace.h" | |
| /* Needed to define intptr_t */ | |
| #include "gdefs.h" | |
| #include "jni_util.h" | |
| #include "jvm_md.h" | |
| #include "awt_Component.h" | |
| #include "awt_GraphicsEnv.h" | |
| #include <dlfcn.h> | |
| #ifndef HEADLESS | |
| /** | |
| * This file contains support code for loops using the SurfaceData | |
| * interface to talk to an X11 drawable from native code. | |
| */ | |
| typedef struct _X11RIPrivate { | |
| jint lockType; | |
| jint lockFlags; | |
| XImage *img; | |
| int x, y; | |
| } X11RIPrivate; | |
| #define XSD_MAX(a,b) ((a) > (b) ? (a) : (b)) | |
| #define XSD_MIN(a,b) ((a) < (b) ? (a) : (b)) | |
| static LockFunc X11SD_Lock; | |
| static GetRasInfoFunc X11SD_GetRasInfo; | |
| static UnlockFunc X11SD_Unlock; | |
| static DisposeFunc X11SD_Dispose; | |
| static GetPixmapBgFunc X11SD_GetPixmapWithBg; | |
| static ReleasePixmapBgFunc X11SD_ReleasePixmapWithBg; | |
| extern int XShmAttachXErrHandler(Display *display, XErrorEvent *xerr); | |
| extern AwtGraphicsConfigDataPtr | |
| getGraphicsConfigFromComponentPeer(JNIEnv *env, jobject this); | |
| extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs; | |
| static int X11SD_FindClip(SurfaceDataBounds *b, SurfaceDataBounds *bounds, | |
| X11SDOps *xsdo); | |
| static int X11SD_ClipToRoot(SurfaceDataBounds *b, SurfaceDataBounds *bounds, | |
| X11SDOps *xsdo); | |
| static void X11SD_SwapBytes(X11SDOps *xsdo, XImage *img, int depth, int bpp); | |
| static XImage * X11SD_GetImage(JNIEnv *env, X11SDOps *xsdo, | |
| SurfaceDataBounds *bounds, | |
| jint lockFlags); | |
| static int X11SD_GetBitmapPad(int pixelStride); | |
| extern jfieldID validID; | |
| static int nativeByteOrder; | |
| static jclass xorCompClass; | |
| jint useMitShmExt = CANT_USE_MITSHM; | |
| jint useMitShmPixmaps = CANT_USE_MITSHM; | |
| jint forceSharedPixmaps = JNI_FALSE; | |
| #ifdef MITSHM | |
| int mitShmPermissionMask = MITSHM_PERM_OWNER; | |
| #endif | |
| /* Cached shared image, one for all surface data. */ | |
| static XImage * cachedXImage; | |
| #endif /* !HEADLESS */ | |
| jboolean XShared_initIDs(JNIEnv *env, jboolean allowShmPixmaps) | |
| { | |
| #ifndef HEADLESS | |
| union { | |
| char c[4]; | |
| int i; | |
| } endian; | |
| endian.i = 0xff000000; | |
| nativeByteOrder = (endian.c[0]) ? MSBFirst : LSBFirst; | |
| cachedXImage = NULL; | |
| if (sizeof(X11RIPrivate) > SD_RASINFO_PRIVATE_SIZE) { | |
| JNU_ThrowInternalError(env, "Private RasInfo structure too large!"); | |
| return JNI_FALSE; | |
| } | |
| #ifdef MITSHM | |
| if (getenv("NO_AWT_MITSHM") == NULL && | |
| getenv("NO_J2D_MITSHM") == NULL) { | |
| char * force; | |
| char * permission = getenv("J2D_MITSHM_PERMISSION"); | |
| if (permission != NULL) { | |
| if (strcmp(permission, "common") == 0) { | |
| mitShmPermissionMask = MITSHM_PERM_COMMON; | |
| } | |
| } | |
| TryInitMITShm(env, &useMitShmExt, &useMitShmPixmaps); | |
| if(allowShmPixmaps) { | |
| useMitShmPixmaps = (useMitShmPixmaps == CAN_USE_MITSHM); | |
| force = getenv("J2D_PIXMAPS"); | |
| if (force != NULL) { | |
| if (useMitShmPixmaps && (strcmp(force, "shared") == 0)) { | |
| forceSharedPixmaps = JNI_TRUE; | |
| } else if (strcmp(force, "server") == 0) { | |
| useMitShmPixmaps = JNI_FALSE; | |
| } | |
| } | |
| }else { | |
| useMitShmPixmaps = JNI_FALSE; | |
| } | |
| } | |
| #endif /* MITSHM */ | |
| #endif /* !HEADLESS */ | |
| return JNI_TRUE; | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: initIDs | |
| * Signature: (Ljava/lang/Class;Z)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_X11SurfaceData_initIDs(JNIEnv *env, jclass xsd, | |
| jclass XORComp) | |
| { | |
| #ifndef HEADLESS | |
| if(XShared_initIDs(env, JNI_TRUE)) | |
| { | |
| xorCompClass = (*env)->NewGlobalRef(env, XORComp); | |
| } | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: isDrawableValid | |
| * Signature: ()Z | |
| */ | |
| JNIEXPORT jboolean JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_isDrawableValid(JNIEnv *env, jobject this) | |
| { | |
| jboolean ret = JNI_FALSE; | |
| #ifndef HEADLESS | |
| X11SDOps *xsdo = X11SurfaceData_GetOps(env, this); | |
| AWT_LOCK(); | |
| if (xsdo->drawable != 0 || X11SD_InitWindow(env, xsdo) == SD_SUCCESS) { | |
| ret = JNI_TRUE; | |
| } | |
| AWT_UNLOCK(); | |
| #endif /* !HEADLESS */ | |
| return ret; | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: isShmPMAvailable | |
| * Signature: ()Z | |
| */ | |
| JNIEXPORT jboolean JNICALL | |
| Java_sun_java2d_x11_X11SurfaceData_isShmPMAvailable(JNIEnv *env, jobject this) | |
| { | |
| #if defined(HEADLESS) || !defined(MITSHM) | |
| return JNI_FALSE; | |
| #else | |
| return (jboolean)useMitShmPixmaps; | |
| #endif /* HEADLESS, MITSHM */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: initOps | |
| * Signature: (Ljava/lang/Object;I)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_initOps(JNIEnv *env, jobject xsd, | |
| jobject peer, | |
| jobject graphicsConfig, jint depth) | |
| { | |
| #ifndef HEADLESS | |
| X11SDOps *xsdo = (X11SDOps*)SurfaceData_InitOps(env, xsd, sizeof(X11SDOps)); | |
| jboolean hasException; | |
| if (xsdo == NULL) { | |
| JNU_ThrowOutOfMemoryError(env, "Initialization of SurfaceData failed."); | |
| return; | |
| } | |
| xsdo->sdOps.Lock = X11SD_Lock; | |
| xsdo->sdOps.GetRasInfo = X11SD_GetRasInfo; | |
| xsdo->sdOps.Unlock = X11SD_Unlock; | |
| xsdo->sdOps.Dispose = X11SD_Dispose; | |
| xsdo->GetPixmapWithBg = X11SD_GetPixmapWithBg; | |
| xsdo->ReleasePixmapWithBg = X11SD_ReleasePixmapWithBg; | |
| if (peer != NULL) { | |
| xsdo->drawable = JNU_CallMethodByName(env, &hasException, peer, "getWindow", "()J").j; | |
| if (hasException) { | |
| return; | |
| } | |
| } else { | |
| xsdo->drawable = 0; | |
| } | |
| xsdo->depth = depth; | |
| xsdo->isPixmap = JNI_FALSE; | |
| xsdo->bitmask = 0; | |
| xsdo->bgPixel = 0; | |
| xsdo->isBgInitialized = JNI_FALSE; | |
| #ifdef MITSHM | |
| xsdo->shmPMData.shmSegInfo = NULL; | |
| xsdo->shmPMData.xRequestSent = JNI_FALSE; | |
| xsdo->shmPMData.pmSize = 0; | |
| xsdo->shmPMData.usingShmPixmap = JNI_FALSE; | |
| xsdo->shmPMData.pixmap = 0; | |
| xsdo->shmPMData.shmPixmap = 0; | |
| xsdo->shmPMData.numBltsSinceRead = 0; | |
| xsdo->shmPMData.pixelsReadSinceBlt = 0; | |
| xsdo->shmPMData.numBltsThreshold = 2; | |
| #endif /* MITSHM */ | |
| xsdo->configData = (AwtGraphicsConfigDataPtr) | |
| JNU_GetLongFieldAsPtr(env, | |
| graphicsConfig, | |
| x11GraphicsConfigIDs.aData); | |
| if (xsdo->configData == NULL) { | |
| JNU_ThrowNullPointerException(env, | |
| "Native GraphicsConfig data block missing"); | |
| return; | |
| } | |
| if (depth > 12) { | |
| xsdo->pixelmask = (xsdo->configData->awt_visInfo.red_mask | | |
| xsdo->configData->awt_visInfo.green_mask | | |
| xsdo->configData->awt_visInfo.blue_mask); | |
| } else if (depth == 12) { | |
| xsdo->pixelmask = 0xfff; | |
| } else { | |
| xsdo->pixelmask = 0xff; | |
| } | |
| xsdo->xrPic = None; | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: flushNativeSurface | |
| * Signature: ()V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_flushNativeSurface(JNIEnv *env, jobject xsd) | |
| { | |
| #ifndef HEADLESS | |
| SurfaceDataOps *ops = SurfaceData_GetOps(env, xsd); | |
| if (ops != NULL) { | |
| X11SD_Dispose(env, ops); | |
| } | |
| #endif /* !HEADLESS */ | |
| } | |
| X11SDOps * | |
| X11SurfaceData_GetOps(JNIEnv *env, jobject sData) | |
| { | |
| #ifdef HEADLESS | |
| return NULL; | |
| #else | |
| SurfaceDataOps *ops = SurfaceData_GetOps(env, sData); | |
| if (ops != NULL && ops->Lock != X11SD_Lock) { | |
| SurfaceData_ThrowInvalidPipeException(env, "not an X11 SurfaceData"); | |
| ops = NULL; | |
| } | |
| return (X11SDOps *) ops; | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Method for disposing X11SD-specific data | |
| */ | |
| static void | |
| X11SD_Dispose(JNIEnv *env, SurfaceDataOps *ops) | |
| { | |
| #ifndef HEADLESS | |
| /* ops is assumed non-null as it is checked in SurfaceData_DisposeOps */ | |
| X11SDOps * xsdo = (X11SDOps*)ops; | |
| AWT_LOCK(); | |
| xsdo->invalid = JNI_TRUE; | |
| if (xsdo->xrPic != None) { | |
| XRenderFreePicture(awt_display, xsdo->xrPic); | |
| xsdo->xrPic = None; | |
| } | |
| if (xsdo->isPixmap == JNI_TRUE && xsdo->drawable != 0) { | |
| #ifdef MITSHM | |
| if (xsdo->shmPMData.shmSegInfo != NULL) { | |
| X11SD_DropSharedSegment(xsdo->shmPMData.shmSegInfo); | |
| xsdo->shmPMData.shmSegInfo = NULL; | |
| } | |
| if (xsdo->shmPMData.pixmap) { | |
| XFreePixmap(awt_display, xsdo->shmPMData.pixmap); | |
| xsdo->shmPMData.pixmap = 0; | |
| } | |
| if (xsdo->shmPMData.shmPixmap) { | |
| XFreePixmap(awt_display, xsdo->shmPMData.shmPixmap); | |
| xsdo->shmPMData.shmPixmap = 0; | |
| } | |
| #else | |
| XFreePixmap(awt_display, xsdo->drawable); | |
| #endif /* MITSHM */ | |
| xsdo->drawable = 0; | |
| } | |
| if (xsdo->bitmask != 0) { | |
| XFreePixmap(awt_display, xsdo->bitmask); | |
| xsdo->bitmask = 0; | |
| } | |
| if (xsdo->javaGC != NULL) { | |
| XFreeGC(awt_display, xsdo->javaGC); | |
| xsdo->javaGC = NULL; | |
| } | |
| if (xsdo->cachedGC != NULL) { | |
| XFreeGC(awt_display, xsdo->cachedGC); | |
| xsdo->cachedGC = NULL; | |
| } | |
| if(xsdo->xrPic != None) { | |
| XRenderFreePicture(awt_display, xsdo->xrPic); | |
| } | |
| AWT_UNLOCK(); | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: setInvalid | |
| * Signature: ()V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_setInvalid(JNIEnv *env, jobject xsd) | |
| { | |
| #ifndef HEADLESS | |
| X11SDOps *xsdo = (X11SDOps *) SurfaceData_GetOps(env, xsd); | |
| if (xsdo != NULL) { | |
| xsdo->invalid = JNI_TRUE; | |
| } | |
| #endif /* !HEADLESS */ | |
| } | |
| jboolean XShared_initSurface(JNIEnv *env, X11SDOps *xsdo, jint depth, jint width, jint height, jlong drawable) | |
| { | |
| #ifndef HEADLESS | |
| if (drawable != (jlong)0) { | |
| /* Double-buffering */ | |
| xsdo->drawable = drawable; | |
| xsdo->isPixmap = JNI_FALSE; | |
| } else { | |
| jboolean sizeIsInvalid = JNI_FALSE; | |
| jlong scan = 0; | |
| /* | |
| * width , height must be nonzero otherwise XCreatePixmap | |
| * generates BadValue in error_handler | |
| */ | |
| if (width <= 0 || height <= 0 || width > 32767 || height > 32767) { | |
| sizeIsInvalid = JNI_TRUE; | |
| } else { | |
| XImage* tmpImg = NULL; | |
| AWT_LOCK(); | |
| tmpImg = XCreateImage(awt_display, | |
| xsdo->configData->awt_visInfo.visual, | |
| depth, ZPixmap, 0, NULL, width, height, | |
| X11SD_GetBitmapPad(xsdo->configData->pixelStride), 0); | |
| if (tmpImg) { | |
| scan = (jlong) tmpImg->bytes_per_line; | |
| XDestroyImage(tmpImg); | |
| tmpImg = NULL; | |
| } | |
| AWT_UNLOCK(); | |
| JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); | |
| } | |
| if (sizeIsInvalid || (scan * height > 0x7FFFFFFFL)) { | |
| JNU_ThrowOutOfMemoryError(env, | |
| "Can't create offscreen surface"); | |
| return JNI_FALSE; | |
| } | |
| xsdo->isPixmap = JNI_TRUE; | |
| xsdo->pmWidth = width; | |
| xsdo->pmHeight = height; | |
| #ifdef MITSHM | |
| xsdo->shmPMData.pmSize = (jlong) width * height * depth; | |
| xsdo->shmPMData.pixelsReadThreshold = width * height / 8; | |
| if (forceSharedPixmaps) { | |
| AWT_LOCK(); | |
| xsdo->drawable = X11SD_CreateSharedPixmap(xsdo); | |
| AWT_UNLOCK(); | |
| JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); | |
| if (xsdo->drawable) { | |
| xsdo->shmPMData.usingShmPixmap = JNI_TRUE; | |
| xsdo->shmPMData.shmPixmap = xsdo->drawable; | |
| return JNI_TRUE; | |
| } | |
| } | |
| #endif /* MITSHM */ | |
| AWT_LOCK(); | |
| xsdo->drawable = | |
| XCreatePixmap(awt_display, | |
| RootWindow(awt_display, | |
| xsdo->configData->awt_visInfo.screen), | |
| width, height, depth); | |
| AWT_UNLOCK(); | |
| JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); | |
| #ifdef MITSHM | |
| xsdo->shmPMData.usingShmPixmap = JNI_FALSE; | |
| xsdo->shmPMData.pixmap = xsdo->drawable; | |
| #endif /* MITSHM */ | |
| } | |
| if (xsdo->drawable == 0) { | |
| JNU_ThrowOutOfMemoryError(env, | |
| "Can't create offscreen surface"); | |
| return JNI_FALSE; | |
| } | |
| #endif /* !HEADLESS */ | |
| return JNI_TRUE; | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: initSurface | |
| * Signature: ()V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_X11SurfaceData_initSurface(JNIEnv *env, jclass xsd, | |
| jint depth, | |
| jint width, jint height, | |
| jlong drawable) | |
| { | |
| #ifndef HEADLESS | |
| X11SDOps *xsdo = X11SurfaceData_GetOps(env, xsd); | |
| if (xsdo == NULL) { | |
| return; | |
| } | |
| if (xsdo->configData->awt_cmap == (Colormap)NULL) { | |
| awtJNI_CreateColorData(env, xsdo->configData, 1); | |
| JNU_CHECK_EXCEPTION(env); | |
| } | |
| /* color_data will be initialized in awtJNI_CreateColorData for | |
| 8-bit visuals */ | |
| xsdo->cData = xsdo->configData->color_data; | |
| XShared_initSurface(env, xsdo, depth, width, height, drawable); | |
| xsdo->xrPic = None; | |
| #endif /* !HEADLESS */ | |
| } | |
| #ifndef HEADLESS | |
| #ifdef MITSHM | |
| void X11SD_DropSharedSegment(XShmSegmentInfo *shminfo) | |
| { | |
| if (shminfo != NULL) { | |
| XShmDetach(awt_display, shminfo); | |
| shmdt(shminfo->shmaddr); | |
| /* REMIND: we don't need shmctl(shminfo->shmid, IPC_RMID, 0); here. */ | |
| /* Check X11SD_CreateSharedImage() for the explanation */ | |
| } | |
| } | |
| XImage* X11SD_CreateSharedImage(X11SDOps *xsdo, | |
| jint width, jint height) | |
| { | |
| XImage *img = NULL; | |
| XShmSegmentInfo *shminfo; | |
| shminfo = malloc(sizeof(XShmSegmentInfo)); | |
| if (shminfo == NULL) { | |
| return NULL; | |
| } | |
| memset(shminfo, 0, sizeof(XShmSegmentInfo)); | |
| img = XShmCreateImage(awt_display, xsdo->configData->awt_visInfo.visual, | |
| xsdo->depth, ZPixmap, NULL, shminfo, | |
| width, height); | |
| if (img == NULL) { | |
| free((void *)shminfo); | |
| return NULL; | |
| } | |
| shminfo->shmid = | |
| shmget(IPC_PRIVATE, (size_t) height * img->bytes_per_line, | |
| IPC_CREAT|mitShmPermissionMask); | |
| if (shminfo->shmid < 0) { | |
| J2dRlsTraceLn1(J2D_TRACE_ERROR, | |
| "X11SD_SetupSharedSegment shmget has failed: %s", | |
| strerror(errno)); | |
| free((void *)shminfo); | |
| XDestroyImage(img); | |
| return NULL; | |
| } | |
| shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0); | |
| if (shminfo->shmaddr == ((char *) -1)) { | |
| shmctl(shminfo->shmid, IPC_RMID, 0); | |
| J2dRlsTraceLn1(J2D_TRACE_ERROR, | |
| "X11SD_SetupSharedSegment shmat has failed: %s", | |
| strerror(errno)); | |
| free((void *)shminfo); | |
| XDestroyImage(img); | |
| return NULL; | |
| } | |
| shminfo->readOnly = False; | |
| resetXShmAttachFailed(); | |
| EXEC_WITH_XERROR_HANDLER(XShmAttachXErrHandler, | |
| XShmAttach(awt_display, shminfo)); | |
| /* | |
| * Once the XSync round trip has finished then we | |
| * can get rid of the id so that this segment does not stick | |
| * around after we go away, holding system resources. | |
| */ | |
| shmctl(shminfo->shmid, IPC_RMID, 0); | |
| if (isXShmAttachFailed() == JNI_TRUE) { | |
| J2dRlsTraceLn1(J2D_TRACE_ERROR, | |
| "X11SD_SetupSharedSegment XShmAttach has failed: %s", | |
| strerror(errno)); | |
| shmdt(shminfo->shmaddr); | |
| free((void *)shminfo); | |
| XDestroyImage(img); | |
| return NULL; | |
| } | |
| img->data = shminfo->shmaddr; | |
| img->obdata = (char *)shminfo; | |
| return img; | |
| } | |
| XImage* X11SD_GetSharedImage(X11SDOps *xsdo, jint width, jint height, | |
| jint maxWidth, jint maxHeight, jboolean readBits) | |
| { | |
| XImage * retImage = NULL; | |
| if (cachedXImage != NULL && | |
| X11SD_CachedXImageFits(width, height, maxWidth, maxHeight, | |
| xsdo->depth, readBits)) { | |
| /* sync so previous data gets flushed */ | |
| XSync(awt_display, False); | |
| retImage = cachedXImage; | |
| cachedXImage = (XImage *)NULL; | |
| } else if ((jlong) width * height * xsdo->depth > 0x10000) { | |
| retImage = X11SD_CreateSharedImage(xsdo, width, height); | |
| } | |
| return retImage; | |
| } | |
| Drawable X11SD_CreateSharedPixmap(X11SDOps *xsdo) | |
| { | |
| XShmSegmentInfo *shminfo; | |
| XImage *img = NULL; | |
| Drawable pixmap; | |
| int scan; | |
| int width = xsdo->pmWidth; | |
| int height = xsdo->pmHeight; | |
| if (xsdo->shmPMData.pmSize < 0x10000) { | |
| /* only use shared mem pixmaps for relatively big images */ | |
| return 0; | |
| } | |
| /* need to create shared(!) image to get bytes_per_line */ | |
| img = X11SD_CreateSharedImage(xsdo, width, height); | |
| if (img == NULL) { | |
| return 0; | |
| } | |
| scan = img->bytes_per_line; | |
| shminfo = (XShmSegmentInfo*)img->obdata; | |
| XFree(img); | |
| pixmap = | |
| XShmCreatePixmap(awt_display, | |
| RootWindow(awt_display, | |
| xsdo->configData->awt_visInfo.screen), | |
| shminfo->shmaddr, shminfo, | |
| width, height, xsdo->depth); | |
| if (pixmap == 0) { | |
| X11SD_DropSharedSegment(shminfo); | |
| return 0; | |
| } | |
| xsdo->shmPMData.shmSegInfo = shminfo; | |
| xsdo->shmPMData.bytesPerLine = scan; | |
| return pixmap; | |
| } | |
| void X11SD_PuntPixmap(X11SDOps *xsdo, jint width, jint height) | |
| { | |
| if (useMitShmPixmaps != CAN_USE_MITSHM || forceSharedPixmaps) { | |
| return; | |
| } | |
| /* we wouldn't be here if it's a shared pixmap, so no check | |
| * for !usingShmPixmap. | |
| */ | |
| xsdo->shmPMData.numBltsSinceRead = 0; | |
| xsdo->shmPMData.pixelsReadSinceBlt += width * height; | |
| if (xsdo->shmPMData.pixelsReadSinceBlt > | |
| xsdo->shmPMData.pixelsReadThreshold) { | |
| if (!xsdo->shmPMData.shmPixmap) { | |
| xsdo->shmPMData.shmPixmap = | |
| X11SD_CreateSharedPixmap(xsdo); | |
| } | |
| if (xsdo->shmPMData.shmPixmap) { | |
| GC xgc = XCreateGC(awt_display, xsdo->shmPMData.shmPixmap, 0L, NULL); | |
| if (xgc != NULL) { | |
| xsdo->shmPMData.usingShmPixmap = JNI_TRUE; | |
| xsdo->drawable = xsdo->shmPMData.shmPixmap; | |
| XCopyArea(awt_display, | |
| xsdo->shmPMData.pixmap, xsdo->drawable, xgc, | |
| 0, 0, xsdo->pmWidth, xsdo->pmHeight, 0, 0); | |
| XSync(awt_display, False); | |
| xsdo->shmPMData.xRequestSent = JNI_FALSE; | |
| XFreeGC(awt_display, xgc); | |
| } | |
| } | |
| } | |
| } | |
| void X11SD_UnPuntPixmap(X11SDOps *xsdo) | |
| { | |
| if (useMitShmPixmaps != CAN_USE_MITSHM || forceSharedPixmaps) { | |
| return; | |
| } | |
| xsdo->shmPMData.pixelsReadSinceBlt = 0; | |
| if (xsdo->shmPMData.numBltsSinceRead >= | |
| xsdo->shmPMData.numBltsThreshold) | |
| { | |
| if (xsdo->shmPMData.usingShmPixmap) { | |
| if (!xsdo->shmPMData.pixmap) { | |
| xsdo->shmPMData.pixmap = | |
| XCreatePixmap(awt_display, | |
| RootWindow(awt_display, | |
| xsdo->configData->awt_visInfo.screen), | |
| xsdo->pmWidth, xsdo->pmHeight, xsdo->depth); | |
| } | |
| if (xsdo->shmPMData.pixmap) { | |
| GC xgc = XCreateGC(awt_display, xsdo->shmPMData.pixmap, 0L, NULL); | |
| if (xgc != NULL) { | |
| xsdo->drawable = xsdo->shmPMData.pixmap; | |
| XCopyArea(awt_display, | |
| xsdo->shmPMData.shmPixmap, xsdo->drawable, xgc, | |
| 0, 0, xsdo->pmWidth, xsdo->pmHeight, 0, 0); | |
| XSync(awt_display, False); | |
| XFreeGC(awt_display, xgc); | |
| xsdo->shmPMData.xRequestSent = JNI_FALSE; | |
| xsdo->shmPMData.usingShmPixmap = JNI_FALSE; | |
| xsdo->shmPMData.numBltsThreshold *= 2; | |
| } | |
| } | |
| } | |
| } else { | |
| xsdo->shmPMData.numBltsSinceRead++; | |
| } | |
| } | |
| /** | |
| * Determines if the cached image can be used for current operation. | |
| * If the image is to be used to be read into by XShmGetImage, | |
| * it must be close enough to avoid excessive reading from the screen; | |
| * otherwise it should just be at least the size requested. | |
| */ | |
| jboolean X11SD_CachedXImageFits(jint width, jint height, jint maxWidth, | |
| jint maxHeight, jint depth, jboolean readBits) | |
| { | |
| /* we assume here that the cached image exists */ | |
| jint imgWidth = cachedXImage->width; | |
| jint imgHeight = cachedXImage->height; | |
| if (imgWidth < width || imgHeight < height || depth != cachedXImage->depth) { | |
| /* doesn't fit if any of the cached image dimensions is smaller | |
| or the depths are different */ | |
| return JNI_FALSE; | |
| } | |
| if (!readBits) { | |
| /* Not reading from this image, so any image at least of the | |
| size requested will do */ | |
| return JNI_TRUE; | |
| } | |
| if ((imgWidth < width + 64) && (imgHeight < height + 64) | |
| && imgWidth <= maxWidth && imgHeight <= maxHeight) | |
| { | |
| /* Cached image's width/height shouldn't be more than 64 pixels | |
| * larger than requested, because the region in XShmGetImage | |
| * can't be specified and we don't want to read too much. | |
| * Furthermore it has to be smaller than maxWidth/Height | |
| * so drawables are not read out of bounds. | |
| */ | |
| return JNI_TRUE; | |
| } | |
| return JNI_FALSE; | |
| } | |
| #endif /* MITSHM */ | |
| jint X11SD_InitWindow(JNIEnv *env, X11SDOps *xsdo) | |
| { | |
| if (xsdo->isPixmap == JNI_TRUE) { | |
| return SD_FAILURE; | |
| } | |
| xsdo->cData = xsdo->configData->color_data; | |
| return SD_SUCCESS; | |
| } | |
| static jint X11SD_Lock(JNIEnv *env, | |
| SurfaceDataOps *ops, | |
| SurfaceDataRasInfo *pRasInfo, | |
| jint lockflags) | |
| { | |
| X11SDOps *xsdo = (X11SDOps *) ops; | |
| X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv); | |
| int ret = SD_SUCCESS; | |
| AWT_LOCK(); | |
| if (xsdo->invalid) { | |
| AWT_UNLOCK(); | |
| SurfaceData_ThrowInvalidPipeException(env, "bounds changed"); | |
| return SD_FAILURE; | |
| } | |
| xsdo->cData = xsdo->configData->color_data; | |
| if (xsdo->drawable == 0 && X11SD_InitWindow(env, xsdo) == SD_FAILURE) { | |
| AWT_UNLOCK(); | |
| return SD_FAILURE; | |
| } | |
| if ((lockflags & SD_LOCK_LUT) != 0 && | |
| (xsdo->cData == NULL || | |
| xsdo->cData->awt_icmLUT == NULL)) | |
| { | |
| AWT_UNLOCK(); | |
| if (!(*env)->ExceptionCheck(env)) | |
| { | |
| JNU_ThrowNullPointerException(env, "colormap lookup table"); | |
| } | |
| return SD_FAILURE; | |
| } | |
| if ((lockflags & SD_LOCK_INVCOLOR) != 0 && | |
| (xsdo->cData == NULL || | |
| xsdo->cData->img_clr_tbl == NULL || | |
| xsdo->cData->img_oda_red == NULL || | |
| xsdo->cData->img_oda_green == NULL || | |
| xsdo->cData->img_oda_blue == NULL)) | |
| { | |
| AWT_UNLOCK(); | |
| if (!(*env)->ExceptionCheck(env)) | |
| { | |
| JNU_ThrowNullPointerException(env, "inverse colormap lookup table"); | |
| } | |
| return SD_FAILURE; | |
| } | |
| if ((lockflags & SD_LOCK_INVGRAY) != 0 && | |
| (xsdo->cData == NULL || | |
| xsdo->cData->pGrayInverseLutData == NULL)) | |
| { | |
| AWT_UNLOCK(); | |
| if (!(*env)->ExceptionCheck(env)) | |
| { | |
| JNU_ThrowNullPointerException(env, "inverse gray lookup table"); | |
| } | |
| return SD_FAILURE; | |
| } | |
| if (lockflags & SD_LOCK_RD_WR) { | |
| if (lockflags & SD_LOCK_FASTEST) { | |
| ret = SD_SLOWLOCK; | |
| } | |
| xpriv->lockType = X11SD_LOCK_BY_XIMAGE; | |
| if (xsdo->isPixmap) { | |
| #ifdef MITSHM | |
| if (xsdo->shmPMData.usingShmPixmap) { | |
| xpriv->lockType = X11SD_LOCK_BY_SHMEM; | |
| } | |
| #endif /* MITSHM */ | |
| if (pRasInfo->bounds.x1 < 0) { | |
| pRasInfo->bounds.x1 = 0; | |
| } | |
| if (pRasInfo->bounds.y1 < 0) { | |
| pRasInfo->bounds.y1 = 0; | |
| } | |
| if (pRasInfo->bounds.x2 > xsdo->pmWidth) { | |
| pRasInfo->bounds.x2 = xsdo->pmWidth; | |
| } | |
| if (pRasInfo->bounds.y2 > xsdo->pmHeight) { | |
| pRasInfo->bounds.y2 = xsdo->pmHeight; | |
| } | |
| } | |
| } else { | |
| /* They didn't lock for anything - we won't give them anything */ | |
| xpriv->lockType = X11SD_LOCK_BY_NULL; | |
| } | |
| xpriv->lockFlags = lockflags; | |
| xpriv->img = NULL; | |
| return ret; | |
| /* AWT_UNLOCK() called in Unlock */ | |
| } | |
| static void X11SD_GetRasInfo(JNIEnv *env, | |
| SurfaceDataOps *ops, | |
| SurfaceDataRasInfo *pRasInfo) | |
| { | |
| X11SDOps *xsdo = (X11SDOps *) ops; | |
| X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv); | |
| jint lockFlags = xpriv->lockFlags; | |
| jint depth = xsdo->depth; | |
| int mult = xsdo->configData->pixelStride; | |
| #ifdef MITSHM | |
| if (xpriv->lockType == X11SD_LOCK_BY_SHMEM) { | |
| if (xsdo->shmPMData.xRequestSent == JNI_TRUE) { | |
| /* need to sync before using shared mem pixmap | |
| if any x calls were issued for this pixmap */ | |
| XSync(awt_display, False); | |
| xsdo->shmPMData.xRequestSent = JNI_FALSE; | |
| } | |
| xpriv->x = pRasInfo->bounds.x1; | |
| xpriv->y = pRasInfo->bounds.y1; | |
| pRasInfo->rasBase = xsdo->shmPMData.shmSegInfo->shmaddr; | |
| pRasInfo->pixelStride = mult; | |
| pRasInfo->pixelBitOffset = 0; | |
| pRasInfo->scanStride = xsdo->shmPMData.bytesPerLine; | |
| } else | |
| #endif /* MITSHM */ | |
| if (xpriv->lockType == X11SD_LOCK_BY_XIMAGE) { | |
| int x, y; | |
| x = pRasInfo->bounds.x1; | |
| y = pRasInfo->bounds.y1; | |
| xpriv->img = X11SD_GetImage(env, xsdo, &pRasInfo->bounds, lockFlags); | |
| if (xpriv->img) { | |
| int scan = xpriv->img->bytes_per_line; | |
| xpriv->x = x; | |
| xpriv->y = y; | |
| pRasInfo->rasBase = xpriv->img->data - x * mult - (intptr_t) y * scan; | |
| pRasInfo->pixelStride = mult; | |
| pRasInfo->pixelBitOffset = 0; | |
| pRasInfo->scanStride = scan; | |
| } else { | |
| pRasInfo->rasBase = NULL; | |
| pRasInfo->pixelStride = 0; | |
| pRasInfo->pixelBitOffset = 0; | |
| pRasInfo->scanStride = 0; | |
| } | |
| } else { | |
| /* They didn't lock for anything - we won't give them anything */ | |
| pRasInfo->rasBase = NULL; | |
| pRasInfo->pixelStride = 0; | |
| pRasInfo->pixelBitOffset = 0; | |
| pRasInfo->scanStride = 0; | |
| } | |
| if (lockFlags & SD_LOCK_LUT) { | |
| pRasInfo->lutBase = (jint *) xsdo->cData->awt_icmLUT; | |
| pRasInfo->lutSize = xsdo->cData->awt_numICMcolors; | |
| } else { | |
| pRasInfo->lutBase = NULL; | |
| pRasInfo->lutSize = 0; | |
| } | |
| if (lockFlags & SD_LOCK_INVCOLOR) { | |
| pRasInfo->invColorTable = xsdo->cData->img_clr_tbl; | |
| pRasInfo->redErrTable = xsdo->cData->img_oda_red; | |
| pRasInfo->grnErrTable = xsdo->cData->img_oda_green; | |
| pRasInfo->bluErrTable = xsdo->cData->img_oda_blue; | |
| } else { | |
| pRasInfo->invColorTable = NULL; | |
| pRasInfo->redErrTable = NULL; | |
| pRasInfo->grnErrTable = NULL; | |
| pRasInfo->bluErrTable = NULL; | |
| } | |
| if (lockFlags & SD_LOCK_INVGRAY) { | |
| pRasInfo->invGrayTable = xsdo->cData->pGrayInverseLutData; | |
| } else { | |
| pRasInfo->invGrayTable = NULL; | |
| } | |
| } | |
| static void X11SD_Unlock(JNIEnv *env, | |
| SurfaceDataOps *ops, | |
| SurfaceDataRasInfo *pRasInfo) | |
| { | |
| X11SDOps *xsdo = (X11SDOps *) ops; | |
| X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv); | |
| if (xpriv->lockType == X11SD_LOCK_BY_XIMAGE && | |
| xpriv->img != NULL) | |
| { | |
| if (xpriv->lockFlags & SD_LOCK_WRITE) { | |
| int x = xpriv->x; | |
| int y = xpriv->y; | |
| int w = pRasInfo->bounds.x2 - x; | |
| int h = pRasInfo->bounds.y2 - y; | |
| Drawable drawable = xsdo->drawable; | |
| GC xgc = xsdo->cachedGC; | |
| if (xgc == NULL) { | |
| xsdo->cachedGC = xgc = | |
| XCreateGC(awt_display, drawable, 0L, NULL); | |
| } | |
| if (xpriv->img->byte_order != nativeByteOrder) { | |
| /* switching bytes back in 24 and 32 bpp cases. */ | |
| /* For 16 bit XLib will switch for us. */ | |
| if (xsdo->depth > 16) { | |
| X11SD_SwapBytes(xsdo, xpriv->img, xsdo->depth, | |
| xsdo->configData->awtImage->wsImageFormat.bits_per_pixel); | |
| } | |
| } | |
| #ifdef MITSHM | |
| if (xpriv->img->obdata != NULL) { | |
| XShmPutImage(awt_display, drawable, xgc, | |
| xpriv->img, 0, 0, x, y, w, h, False); | |
| XFlush(awt_display); | |
| } else { | |
| XPutImage(awt_display, drawable, xgc, | |
| xpriv->img, 0, 0, x, y, w, h); | |
| } | |
| if (xsdo->shmPMData.usingShmPixmap) { | |
| xsdo->shmPMData.xRequestSent = JNI_TRUE; | |
| } | |
| #else | |
| XPutImage(awt_display, drawable, xgc, | |
| xpriv->img, 0, 0, x, y, w, h); | |
| #endif /* MITSHM */ | |
| } | |
| X11SD_DisposeOrCacheXImage(xpriv->img); | |
| xpriv->img = (XImage *)NULL; | |
| } | |
| /* the background pixel is not valid anymore */ | |
| if (xpriv->lockFlags & SD_LOCK_WRITE) { | |
| xsdo->isBgInitialized = JNI_FALSE; | |
| } | |
| xpriv->lockType = X11SD_LOCK_UNLOCKED; | |
| AWT_UNLOCK(); | |
| } | |
| static int | |
| X11SD_ClipToRoot(SurfaceDataBounds *b, SurfaceDataBounds *bounds, | |
| X11SDOps *xsdo) | |
| { | |
| short x1=0, y1=0, x2=0, y2=0; | |
| int tmpx, tmpy; | |
| Window tmpchild; | |
| Window window = (Window)(xsdo->drawable); /* is always a Window */ | |
| XWindowAttributes winAttr; | |
| Status status = XGetWindowAttributes(awt_display, window, &winAttr); | |
| if (status == 0) { | |
| /* Failure, X window no longer valid. */ | |
| return FALSE; | |
| } | |
| if (!XTranslateCoordinates(awt_display, window, | |
| RootWindowOfScreen(winAttr.screen), | |
| 0, 0, &tmpx, &tmpy, &tmpchild)) { | |
| return FALSE; | |
| } | |
| x1 = -(x1 + tmpx); | |
| y1 = -(y1 + tmpy); | |
| x2 = x1 + DisplayWidth(awt_display, xsdo->configData->awt_visInfo.screen); | |
| y2 = y1 + DisplayHeight(awt_display, xsdo->configData->awt_visInfo.screen); | |
| x1 = XSD_MAX(bounds->x1, x1); | |
| y1 = XSD_MAX(bounds->y1, y1); | |
| x2 = XSD_MIN(bounds->x2, x2); | |
| y2 = XSD_MIN(bounds->y2, y2); | |
| if ((x1 >= x2) || (y1 >= y2)) { | |
| return FALSE; | |
| } | |
| b->x1 = x1; | |
| b->y1 = y1; | |
| b->x2 = x2; | |
| b->y2 = y2; | |
| return TRUE; | |
| } | |
| /* | |
| * x1, y1, x2, y2 - our rectangle in the coord system of | |
| * the widget | |
| * px1, xy1, px2, py2 - current parent rect coords in the | |
| * same system | |
| */ | |
| static int | |
| X11SD_FindClip(SurfaceDataBounds *b, SurfaceDataBounds *bounds, X11SDOps *xsdo) | |
| { | |
| return TRUE; | |
| } | |
| static void | |
| X11SD_SwapBytes(X11SDOps *xsdo, XImage * img, int depth, int bpp) { | |
| jlong lengthInBytes = (jlong) img->height * img->bytes_per_line; | |
| jlong i; | |
| switch (depth) { | |
| case 12: | |
| case 15: | |
| case 16: | |
| { | |
| /* AB -> BA */ | |
| unsigned short *d = (unsigned short *)img->data; | |
| unsigned short t; | |
| for (i = 0; i < lengthInBytes/2; i++) { | |
| t = *d; | |
| *d++ = (t >> 8) | (t << 8); | |
| } | |
| img->byte_order = nativeByteOrder; | |
| img->bitmap_bit_order = nativeByteOrder; | |
| break; | |
| } | |
| case 24: | |
| { | |
| /* ABC -> CBA */ | |
| if (bpp == 24) { | |
| // 4517321: Only swap if we have a "real" ThreeByteBgr | |
| // visual (denoted by a red_mask of 0xff). Due to ambiguity | |
| // in the X11 spec, it appears that the swap is not required | |
| // on Linux configurations that use 24 bits per pixel (denoted | |
| // by a red_mask of 0xff0000). | |
| if (xsdo->configData->awt_visInfo.red_mask == 0xff) { | |
| int scan = img->bytes_per_line; | |
| unsigned char *d = (unsigned char *) img->data; | |
| unsigned char *d1; | |
| unsigned int t; | |
| int j; | |
| for (i = 0; i < img->height; i++, d += scan) { | |
| d1 = d; | |
| for (j = 0; j < img->width; j++, d1 += 3) { | |
| /* not obvious opt from XLib src */ | |
| t = d1[0]; d1[0] = d1[2]; d1[2] = t; | |
| } | |
| } | |
| } | |
| break; | |
| } | |
| } | |
| /* FALL THROUGH for 32-bit case */ | |
| case 32: | |
| { | |
| /* ABCD -> DCBA */ | |
| unsigned int *d = (unsigned int *) img->data; | |
| unsigned int t; | |
| for (i = 0; i < lengthInBytes/4; i++) { | |
| t = *d; | |
| *d++ = ((t >> 24) | | |
| ((t >> 8) & 0xff00) | | |
| ((t & 0xff00) << 8) | | |
| (t << 24)); | |
| } | |
| break; | |
| } | |
| } | |
| } | |
| static XImage * X11SD_GetImage(JNIEnv *env, X11SDOps *xsdo, | |
| SurfaceDataBounds *bounds, | |
| jint lockFlags) | |
| { | |
| int x, y, w, h, maxWidth, maxHeight; | |
| int scan; | |
| XImage * img = NULL; | |
| Drawable drawable; | |
| int depth = xsdo->depth; | |
| int mult = xsdo->configData->pixelStride; | |
| int pad = X11SD_GetBitmapPad(mult); | |
| jboolean readBits = lockFlags & SD_LOCK_NEED_PIXELS; | |
| x = bounds->x1; | |
| y = bounds->y1; | |
| w = bounds->x2 - x; | |
| h = bounds->y2 - y; | |
| #ifdef MITSHM | |
| if (useMitShmExt == CAN_USE_MITSHM) { | |
| if (xsdo->isPixmap) { | |
| if (readBits) { | |
| X11SD_PuntPixmap(xsdo, w, h); | |
| } | |
| maxWidth = xsdo->pmWidth; | |
| maxHeight = xsdo->pmHeight; | |
| } else { | |
| XWindowAttributes winAttr; | |
| if (XGetWindowAttributes(awt_display, | |
| (Window) xsdo->drawable, &winAttr) != 0) { | |
| maxWidth = winAttr.width; | |
| maxHeight = winAttr.height; | |
| } else { | |
| /* XGWA failed which isn't a good thing. Defaulting to using | |
| * x,y means that after the subtraction of these we will use | |
| * w=0, h=0 which is a reasonable default on such a failure. | |
| */ | |
| maxWidth = x; | |
| maxHeight = y; | |
| } | |
| } | |
| maxWidth -= x; | |
| maxHeight -= y; | |
| img = X11SD_GetSharedImage(xsdo, w, h, maxWidth, maxHeight, readBits); | |
| } | |
| #endif /* MITSHM */ | |
| drawable = xsdo->drawable; | |
| if (readBits) { | |
| #ifdef MITSHM | |
| if (img != NULL) { | |
| if (!XShmGetImage(awt_display, drawable, img, x, y, -1)) { | |
| X11SD_DisposeOrCacheXImage(img); | |
| img = NULL; | |
| } | |
| } | |
| if (img == NULL) { | |
| img = XGetImage(awt_display, drawable, x, y, w, h, -1, ZPixmap); | |
| if (img != NULL) { | |
| img->obdata = NULL; | |
| } | |
| } | |
| #else | |
| img = XGetImage(awt_display, drawable, x, y, w, h, -1, ZPixmap); | |
| #endif /* MITSHM */ | |
| if (img == NULL) { | |
| SurfaceDataBounds temp; | |
| img = XCreateImage(awt_display, | |
| xsdo->configData->awt_visInfo.visual, | |
| depth, ZPixmap, 0, NULL, w, h, pad, 0); | |
| if (img == NULL) { | |
| return NULL; | |
| } | |
| scan = img->bytes_per_line; | |
| img->data = malloc((size_t) h * scan); | |
| if (img->data == NULL) { | |
| XFree(img); | |
| return NULL; | |
| } | |
| if (xsdo->isPixmap == JNI_FALSE && | |
| X11SD_ClipToRoot(&temp, bounds, xsdo)) { | |
| XImage * temp_image; | |
| temp_image = XGetImage(awt_display, drawable, | |
| temp.x1, temp.y1, | |
| temp.x2 - temp.x1, | |
| temp.y2 - temp.y1, | |
| -1, ZPixmap); | |
| if (temp_image == NULL) { | |
| XGrabServer(awt_display); | |
| if (X11SD_FindClip(&temp, bounds, xsdo)) { | |
| temp_image = | |
| XGetImage(awt_display, drawable, | |
| temp.x1, temp.y1, | |
| temp.x2 - temp.x1, | |
| temp.y2 - temp.y1, | |
| -1, ZPixmap); | |
| } | |
| XUngrabServer(awt_display); | |
| /* Workaround for bug 5039226 */ | |
| XSync(awt_display, False); | |
| } | |
| if (temp_image != NULL) { | |
| int temp_scan, bytes_to_copy; | |
| char * img_addr, * temp_addr; | |
| int i; | |
| img_addr = img->data + | |
| (intptr_t) (temp.y1 - y) * scan + (temp.x1 - x) * mult; | |
| temp_scan = temp_image->bytes_per_line; | |
| temp_addr = temp_image->data; | |
| bytes_to_copy = (temp.x2 - temp.x1) * mult; | |
| for (i = temp.y1; i < temp.y2; i++) { | |
| memcpy(img_addr, temp_addr, bytes_to_copy); | |
| img_addr += scan; | |
| temp_addr += temp_scan; | |
| } | |
| XDestroyImage(temp_image); | |
| } | |
| } | |
| img->obdata = NULL; | |
| } | |
| if (depth > 8 && img->byte_order != nativeByteOrder) { | |
| X11SD_SwapBytes(xsdo, img, depth, | |
| xsdo->configData->awtImage->wsImageFormat.bits_per_pixel); | |
| } | |
| } else { | |
| /* | |
| * REMIND: This might be better to move to the Lock function | |
| * to avoid lengthy I/O pauses inside what may be a critical | |
| * section. This will be more critical when SD_LOCK_READ is | |
| * implemented. Another solution is to cache the pixels | |
| * to avoid reading for every operation. | |
| */ | |
| if (img == NULL) { | |
| img = XCreateImage(awt_display, | |
| xsdo->configData->awt_visInfo.visual, | |
| depth, ZPixmap, 0, NULL, w, h, pad, 0); | |
| if (img == NULL) { | |
| return NULL; | |
| } | |
| img->data = malloc((size_t) h * img->bytes_per_line); | |
| if (img->data == NULL) { | |
| XFree(img); | |
| return NULL; | |
| } | |
| img->obdata = NULL; | |
| if (img->byte_order != nativeByteOrder && | |
| (depth == 15 || depth == 16 || depth == 12)) { | |
| /* bytes will be swapped by XLib. */ | |
| img->byte_order = nativeByteOrder; | |
| img->bitmap_bit_order = nativeByteOrder; | |
| } | |
| } | |
| } | |
| return img; | |
| } | |
| void X11SD_DisposeOrCacheXImage(XImage * image) { | |
| /* REMIND: might want to check if the new image worth caching. */ | |
| /* Cache only shared images. Passed image is assumed to be non-null. */ | |
| if (image->obdata != NULL) { | |
| if (cachedXImage != NULL) { | |
| X11SD_DisposeXImage(cachedXImage); | |
| } | |
| cachedXImage = image; | |
| } else { | |
| X11SD_DisposeXImage(image); | |
| } | |
| } | |
| void X11SD_DisposeXImage(XImage * image) { | |
| if (image != NULL) { | |
| #ifdef MITSHM | |
| if (image->obdata != NULL) { | |
| X11SD_DropSharedSegment((XShmSegmentInfo*)image->obdata); | |
| free(image->obdata); | |
| image->obdata = NULL; | |
| } | |
| #endif /* MITSHM */ | |
| XDestroyImage(image); | |
| } | |
| } | |
| void | |
| X11SD_DirectRenderNotify(JNIEnv *env, X11SDOps *xsdo) | |
| { | |
| #ifdef MITSHM | |
| if (xsdo->shmPMData.usingShmPixmap) { | |
| xsdo->shmPMData.xRequestSent = JNI_TRUE; | |
| } | |
| #endif /* MITSHM */ | |
| awt_output_flush(); | |
| } | |
| /* | |
| * Sets transparent pixels in the pixmap to | |
| * the specified solid background color and returns it. | |
| * Doesn't update source pixmap unless the color of the | |
| * transparent pixels is different from the specified color. | |
| * | |
| * Note: The AWT lock must be held by the current thread | |
| * while calling into this method. | |
| */ | |
| static Drawable | |
| X11SD_GetPixmapWithBg(JNIEnv *env, X11SDOps *xsdo, jint pixel) | |
| { | |
| /* assert AWT_CHECK_HAVE_LOCK(); */ | |
| if (xsdo->invalid) { | |
| AWT_UNLOCK(); | |
| SurfaceData_ThrowInvalidPipeException(env, "bounds changed"); | |
| return 0; | |
| } | |
| /* the image doesn't have transparency, just return it */ | |
| if (xsdo->bitmask == 0) { | |
| /* don't need to unlock here, the caller will unlock through | |
| the release call */ | |
| return xsdo->drawable; | |
| } | |
| /* Check if current color of the transparent pixels is different | |
| from the specified one */ | |
| if (xsdo->isBgInitialized == JNI_FALSE || xsdo->bgPixel != pixel) { | |
| GC srcGC; | |
| GC bmGC; | |
| if (xsdo->drawable == 0) { | |
| AWT_UNLOCK(); | |
| return 0; | |
| } | |
| bmGC = XCreateGC(awt_display, xsdo->bitmask, 0, NULL); | |
| if (bmGC == NULL) { | |
| AWT_UNLOCK(); | |
| return 0; | |
| } | |
| /* invert the bitmask */ | |
| XSetFunction(awt_display, bmGC, GXxor); | |
| XSetForeground(awt_display, bmGC, 1); | |
| XFillRectangle(awt_display, xsdo->bitmask, bmGC, | |
| 0, 0, xsdo->pmWidth, xsdo->pmHeight); | |
| srcGC = XCreateGC(awt_display, xsdo->drawable, 0L, NULL); | |
| if (srcGC == NULL) { | |
| XFreeGC(awt_display, bmGC); | |
| AWT_UNLOCK(); | |
| return 0; | |
| } | |
| /* set transparent pixels in the source pm to the bg color */ | |
| XSetClipMask(awt_display, srcGC, xsdo->bitmask); | |
| XSetForeground(awt_display, srcGC, pixel); | |
| XFillRectangle(awt_display, xsdo->drawable, srcGC, | |
| 0, 0, xsdo->pmWidth, xsdo->pmHeight); | |
| /* invert the mask back */ | |
| XFillRectangle(awt_display, xsdo->bitmask, bmGC, | |
| 0, 0, xsdo->pmWidth, xsdo->pmHeight); | |
| XFreeGC(awt_display, bmGC); | |
| XFreeGC(awt_display, srcGC); | |
| xsdo->bgPixel = pixel; | |
| xsdo->isBgInitialized = JNI_TRUE; | |
| } | |
| return xsdo->drawable; | |
| } | |
| static void | |
| X11SD_ReleasePixmapWithBg(JNIEnv *env, X11SDOps *xsdo) | |
| { | |
| #ifdef MITSHM | |
| if (xsdo->shmPMData.usingShmPixmap) { | |
| xsdo->shmPMData.xRequestSent = JNI_TRUE; | |
| } | |
| #endif /* MITSHM */ | |
| } | |
| static int X11SD_GetBitmapPad(int pixelStride) { | |
| // pad must be 8, 16, or 32 | |
| return (pixelStride == 3) ? 32 : pixelStride * 8; | |
| } | |
| #endif /* !HEADLESS */ | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: XCreateGC | |
| * Signature: (I)J | |
| */ | |
| JNIEXPORT jlong JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_XCreateGC | |
| (JNIEnv *env, jclass xsd, jlong pXSData) | |
| { | |
| jlong ret; | |
| #ifndef HEADLESS | |
| X11SDOps *xsdo; | |
| J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XCreateGC"); | |
| xsdo = (X11SDOps *) pXSData; | |
| if (xsdo == NULL) { | |
| return 0L; | |
| } | |
| xsdo->javaGC = XCreateGC(awt_display, xsdo->drawable, 0, NULL); | |
| ret = (jlong) xsdo->javaGC; | |
| #else /* !HEADLESS */ | |
| ret = 0L; | |
| #endif /* !HEADLESS */ | |
| return ret; | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: XResetClip | |
| * Signature: (JIIIILsun/java2d/pipe/Region;)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_XResetClip | |
| (JNIEnv *env, jclass xsd, jlong xgc) | |
| { | |
| #ifndef HEADLESS | |
| J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XResetClip"); | |
| XSetClipMask(awt_display, (GC) xgc, None); | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: XSetClip | |
| * Signature: (JIIIILsun/java2d/pipe/Region;)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_XSetClip | |
| (JNIEnv *env, jclass xsd, jlong xgc, | |
| jint x1, jint y1, jint x2, jint y2, | |
| jobject complexclip) | |
| { | |
| #ifndef HEADLESS | |
| int numrects; | |
| XRectangle rects[256]; | |
| XRectangle *pRect = rects; | |
| J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetClip"); | |
| numrects = RegionToYXBandedRectangles(env, | |
| x1, y1, x2, y2, complexclip, | |
| &pRect, 256); | |
| XSetClipRectangles(awt_display, (GC) xgc, 0, 0, pRect, numrects, YXBanded); | |
| if (pRect != rects) { | |
| free(pRect); | |
| } | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: XSetCopyMode | |
| * Signature: (J)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_X11SurfaceData_XSetCopyMode | |
| (JNIEnv *env, jclass xsd, jlong xgc) | |
| { | |
| #ifndef HEADLESS | |
| J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetCopyMode"); | |
| XSetFunction(awt_display, (GC) xgc, GXcopy); | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: XSetXorMode | |
| * Signature: (J)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_X11SurfaceData_XSetXorMode | |
| (JNIEnv *env, jclass xr, jlong xgc) | |
| { | |
| #ifndef HEADLESS | |
| J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetXorMode"); | |
| XSetFunction(awt_display, (GC) xgc, GXxor); | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: XSetForeground | |
| * Signature: (JI)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_X11SurfaceData_XSetForeground | |
| (JNIEnv *env, jclass xsd, jlong xgc, jint pixel) | |
| { | |
| #ifndef HEADLESS | |
| J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetForeground"); | |
| XSetForeground(awt_display, (GC) xgc, pixel); | |
| #endif /* !HEADLESS */ | |
| } | |
| /* | |
| * Class: sun_java2d_x11_X11SurfaceData | |
| * Method: XSetGraphicsExposures | |
| * Signature: (JZ)V | |
| */ | |
| JNIEXPORT void JNICALL | |
| Java_sun_java2d_x11_XSurfaceData_XSetGraphicsExposures | |
| (JNIEnv *env, jclass xsd, jlong xgc, jboolean needExposures) | |
| { | |
| #ifndef HEADLESS | |
| J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetGraphicsExposures"); | |
| XSetGraphicsExposures(awt_display, (GC) xgc, needExposures ? True : False); | |
| #endif /* !HEADLESS */ | |
| } |