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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [gnu/] [gcj/] [xlib/] [natXImage.cc] - Rev 760
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/* Copyright (C) 2000 Free Software Foundation This file is part of libgcj. This software is copyrighted work licensed under the terms of the Libgcj License. Please consult the file "LIBGCJ_LICENSE" for details. */ #include <X11/Xlib.h> #include <X11/Xutil.h> #include <gcj/cni.h> #include <gnu/gcj/RawData.h> #include <java/lang/OutOfMemoryError.h> #include <gnu/gcj/xlib/Display.h> #include <gnu/gcj/xlib/Screen.h> #include <gnu/gcj/xlib/Visual.h> #include <gnu/gcj/xlib/XImage.h> #include <java/lang/System.h> #include <java/io/PrintStream.h> void gnu::gcj::xlib::XImage::init(Visual* visual, jint depth, jint format, jint xoffset, jint width, jint height, jint bitmapPad, jint bytesPerLine, jint bitsPerPixel) { ::Display* dpy = (::Display*) visual->display->display; ::Visual* vis = (::Visual*) visual->getVisualStructure(); char* data = 0; // no preallocated data ::XImage* ximage = XCreateImage(dpy, vis, depth, format, xoffset, data, width, height, bitmapPad, bytesPerLine ); if (ximage == 0) { jstring errorMessage = JvNewStringLatin1("XCreateImage failed"); throw new ::java::lang::OutOfMemoryError(errorMessage); } bool reinitialize = false; if ((bitsPerPixel != 0) && (ximage->bits_per_pixel != bitsPerPixel)) { ximage->bits_per_pixel = bitsPerPixel; reinitialize = true; } // FIXME: make autoconf test? jshort endianTestShort[] = { 1 }; jbyte* endianTestByte = reinterpret_cast<jbyte*>(endianTestShort); jint byteOrder; if (endianTestByte[0] == 1) { // little endian machine byteOrder = LEAST_SIGNIFICANT_B_FIRST_ORDER; } else { // big endian machine byteOrder = MOST_SIGNIFICANT_B_FIRST_ORDER; } /* NB: This doesn't consider those weird machines out there with middle-endian byte order. */ if (byteOrder != ximage->byte_order) { ximage->byte_order = byteOrder; reinitialize = true; } if (reinitialize) XInitImage(ximage); structure = reinterpret_cast<gnu::gcj::RawData*>(ximage); // Notice that no image data has been allocated at this point } void gnu::gcj::xlib::XImage::init(Visual* visual, jint width, jint height) { int depth = visual->getDepth(); int format = ZPixmap; // Chunky, not planar. int offset = 0; int bitmapPad = 32; // FIXME, don't hardcode this int bytesPerLine = 0; // Let the server figure it out init(visual, depth, format, offset, width, height, bitmapPad, bytesPerLine, 0); } void gnu::gcj::xlib::XImage::internalSetData(jbyteArray data, jint offset) { ::XImage* ximage = (::XImage*) structure; ximage->data = reinterpret_cast<char*>(elements(data)+offset); } void gnu::gcj::xlib::XImage::internalSetData(jshortArray data, jint offset) { ::XImage* ximage = (::XImage*) structure; ximage->data = reinterpret_cast<char*>(elements(data)+offset); } void gnu::gcj::xlib::XImage::internalSetData(jintArray data, jint offset) { ::XImage* ximage = (::XImage*) structure; ximage->data = reinterpret_cast<char*>(elements(data)+offset); } void gnu::gcj::xlib::XImage::finalize() { ::XImage* ximage = (::XImage*) structure; if (ownsData) delete ximage->data; ximage->data = 0; // Never allow XLib to free the data allocation. dataRef = 0; XDestroyImage(ximage); } jint gnu::gcj::xlib::XImage::getWidth() { ::XImage* ximage = (::XImage*) structure; return ximage->width; } jint gnu::gcj::xlib::XImage::getHeight() { ::XImage* ximage = (::XImage*) structure; return ximage->height; } jint gnu::gcj::xlib::XImage::getDepth() { ::XImage* ximage = (::XImage*) structure; return ximage->depth; } jint gnu::gcj::xlib::XImage::getFormat() { ::XImage* ximage = (::XImage*) structure; return ximage->format; } jint gnu::gcj::xlib::XImage::getXOffset() { ::XImage* ximage = (::XImage*) structure; return ximage->xoffset; } jint gnu::gcj::xlib::XImage::getImageByteOrder() { ::XImage* ximage = (::XImage*) structure; return ximage->byte_order; } jint gnu::gcj::xlib::XImage::getBitmapBitOrder() { ::XImage* ximage = (::XImage*) structure; return ximage->bitmap_bit_order; } jint gnu::gcj::xlib::XImage::getBitmapUnit() { ::XImage* ximage = (::XImage*) structure; return ximage->bitmap_unit; } jint gnu::gcj::xlib::XImage::getBitmapPad() { ::XImage* ximage = (::XImage*) structure; return ximage->bitmap_pad; } jint gnu::gcj::xlib::XImage::getBytesPerLine() { ::XImage* ximage = (::XImage*) structure; return ximage->bytes_per_line; } jint gnu::gcj::xlib::XImage::getBitsPerPixel() { ::XImage* ximage = (::XImage*) structure; return ximage->bits_per_pixel; } // True/Direct Color specific: jint gnu::gcj::xlib::XImage::getRedMask() { ::XImage* ximage = (::XImage*) structure; return ximage->red_mask; } jint gnu::gcj::xlib::XImage::getGreenMask() { ::XImage* ximage = (::XImage*) structure; return ximage->green_mask; } jint gnu::gcj::xlib::XImage::getBlueMask() { ::XImage* ximage = (::XImage*) structure; return ximage->blue_mask; } void gnu::gcj::xlib::XImage::setPixel(jint x, jint y, jint pixel) { ::XImage* ximage = (::XImage*) structure; XPutPixel(ximage, x, y, pixel); }
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