From e16866e072f94410321d70daedbcb855ea878cac Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 6 Nov 2011 15:56:40 -0600 Subject: Actually move the kde files that were renamed in the last commit --- kdeui/kpixmapio.cpp | 908 ---------------------------------------------------- 1 file changed, 908 deletions(-) delete mode 100644 kdeui/kpixmapio.cpp (limited to 'kdeui/kpixmapio.cpp') diff --git a/kdeui/kpixmapio.cpp b/kdeui/kpixmapio.cpp deleted file mode 100644 index 1900da11f..000000000 --- a/kdeui/kpixmapio.cpp +++ /dev/null @@ -1,908 +0,0 @@ -/* vi: ts=8 sts=4 sw=4 - * - * - * This file is part of the KDE project, module tdeui. - * Copyright (C) 2000 Geert Jansen . - * - * You can Freely distribute this program under the GNU Library General - * Public License. See the file "COPYING.LIB" for the exact licensing terms. - * - * kpixmapio.cpp: Fast pixmap <-> image conversion. - */ - -#include "kpixmapio.h" -#include "config.h" - -#include -#include -#include -#include - -#include -#include -#include - -#include -#ifdef Q_OS_UNIX -#include -#include -#endif - -#ifdef Q_WS_X11 -#include -#include -#include -#ifdef HAVE_MITSHM -#include -#endif -#ifdef __osf__ -extern "C" int XShmQueryExtension(Display *display); -#endif -#else -#undef HAVE_MITSHM -#endif - -// d pointer - -struct KPixmapIOPrivate -{ - int shmsize; - int shmpolicy; - int threshold; - int bpp; - int byteorder; -#ifdef Q_WS_X11 - XImage *ximage; -#ifdef HAVE_MITSHM - XShmSegmentInfo *shminfo; - bool first_try; -#endif -#else - void *ximage; -#endif -}; - - -// From Qt: Returns the position of the lowest set bit in val. - -typedef unsigned char uchar; -typedef unsigned int uint; - -#ifdef HAVE_MITSHM -static int lowest_bit(uint val) -{ - int i; - uint test = 1; - for (i=0; (!(val & test)) && i<32; i++, test<<=1); - return (i == 32) ? -1 : i; -} -#endif - -/*** KPixmapIO ***/ - -KPixmapIO::KPixmapIO() -{ - m_bShm = false; - d = new KPixmapIOPrivate; - -#ifdef HAVE_MITSHM - setShmPolicy(ShmDontKeep); - KConfig *config = KGlobal::config(); - if (!config->readBoolEntry("UseMitShm", true)) - return; - - int ignore; - if (XQueryExtension(qt_xdisplay(), "MIT-SHM", &ignore, &ignore, &ignore)) - { - if (XShmQueryExtension(qt_xdisplay())) - m_bShm = true; - } - if (!m_bShm) - { - kdDebug(290) << k_lineinfo << "MIT-SHM not available!\n"; - d->ximage = 0; - d->shminfo = 0; - d->shmsize = 0; - return; - } - - // Sort out bit format. Create a temporary XImage for this. - d->shminfo = new XShmSegmentInfo; - d->ximage = XShmCreateImage(qt_xdisplay(), (Visual *) TQPaintDevice::x11AppVisual(), - TQPaintDevice::x11AppDepth(), ZPixmap, 0L, d->shminfo, 10, 10); - d->bpp = d->ximage->bits_per_pixel; - d->first_try = true; - int bpp = d->bpp; - if (d->ximage->byte_order == LSBFirst) - bpp++; - int red_shift = lowest_bit(d->ximage->red_mask); - int green_shift = lowest_bit(d->ximage->green_mask); - int blue_shift = lowest_bit(d->ximage->blue_mask); - XDestroyImage(d->ximage); d->ximage = 0L; - d->shmsize = 0; - - // Offer discrete possibilities for the bitformat. Each will have its - // own routine. The general algorithm using bitshifts is much too slow; - // this has to be done for every pixel! - - if ((bpp == 32) && (red_shift == 16) && (green_shift == 8) && - (blue_shift == 0)) - d->byteorder = bo32_ARGB; - else if ((bpp == 32) && (red_shift == 0) && (green_shift == 8) && - (blue_shift == 16)) - d->byteorder = bo32_BGRA; - else if ((bpp == 33) && (red_shift == 16) && (green_shift == 8) && - (blue_shift == 0)) - d->byteorder = bo32_BGRA; - else if ((bpp == 24) && (red_shift == 16) && (green_shift == 8) && - (blue_shift == 0)) - d->byteorder = bo24_RGB; - else if ((bpp == 24) && (red_shift == 0) && (green_shift == 8) && - (blue_shift == 16)) - d->byteorder = bo24_BGR; - else if ((bpp == 25) && (red_shift == 16) && (green_shift == 8) && - (blue_shift == 0)) - d->byteorder = bo24_BGR; - else if ((bpp == 16) && (red_shift == 11) && (green_shift == 5) && - (blue_shift == 0)) - d->byteorder = bo16_RGB_565; - else if ((bpp == 16) && (red_shift == 10) && (green_shift == 5) && - (blue_shift == 0)) - d->byteorder = bo16_RGB_555; - else if ((bpp == 17) && (red_shift == 11) && (green_shift == 5) && - (blue_shift == 0)) - d->byteorder = bo16_BGR_565; - else if ((bpp == 17) && (red_shift == 10) && (green_shift == 5) && - (blue_shift == 0)) - d->byteorder = bo16_BGR_555; - else if ((bpp == 8) || (bpp == 9)) - d->byteorder = bo8; - else - { - m_bShm = false; - kdWarning(290) << "Byte order not supported!" << endl; - kdWarning(290) << "red = " << red_shift - << ", green = " << green_shift - << ", blue = " << blue_shift << endl; - kdWarning(290) << "Please report to \n"; - } -#else - d->shmsize = 0; - d->ximage = 0; -#endif -} - - -KPixmapIO::~KPixmapIO() -{ - destroyXImage(); - destroyShmSegment(); -#ifdef HAVE_MITSHM - delete d->shminfo; -#endif - delete d; -} - - -TQPixmap KPixmapIO::convertToPixmap(const TQImage &img) -{ - int size = img.width() * img.height(); - if (m_bShm && (img.depth() > 1) && (d->bpp > 8) && (size > d->threshold)) - { - TQPixmap dst(img.width(), img.height()); - putImage(&dst, 0, 0, &img); - return dst; - } else - { - TQPixmap dst; - dst.convertFromImage(img); - return dst; - } - -} - - -TQImage KPixmapIO::convertToImage(const TQPixmap &pm) -{ - TQImage image; - int size = pm.width() * pm.height(); - if (m_bShm && (d->bpp >= 8) && (size > d->threshold)) - image = getImage(&pm, 0, 0, pm.width(), pm.height()); - else - image = pm.convertToImage(); - return image; -} - - -void KPixmapIO::putImage(TQPixmap *dst, const TQPoint &offset, - const TQImage *src) -{ - putImage(dst, offset.x(), offset.y(), src); -} - - -void KPixmapIO::putImage(TQPixmap *dst, int dx, int dy, const TQImage *src) -{ - int size = src->width() * src->height(); - bool fallback = true; - if (m_bShm && (src->depth() > 1) && (d->bpp > 8) && (size > d->threshold)) - { -#ifdef HAVE_MITSHM - if( initXImage(src->width(), src->height())) - { - convertToXImage(*src); - XShmPutImage(qt_xdisplay(), dst->handle(), qt_xget_temp_gc(qt_xscreen(), false), d->ximage, - dx, dy, 0, 0, src->width(), src->height(), false); - // coolo: do we really need this here? I see no good for it - XSync(qt_xdisplay(), false); - doneXImage(); - fallback = false; - } -#endif - } - if( fallback ) - { - TQPixmap pix; - pix.convertFromImage(*src); - bitBlt(dst, dx, dy, &pix, 0, 0, pix.width(), pix.height()); - } -} - - -TQImage KPixmapIO::getImage(const TQPixmap *src, const TQRect &rect) -{ - return getImage(src, rect.x(), rect.y(), rect.width(), rect.height()); -} - - -TQImage KPixmapIO::getImage(const TQPixmap *src, int sx, int sy, int sw, int sh) -{ - TQImage image; - int size = src->width() * src->height(); - bool fallback = true; - if ((m_bShm) && (d->bpp >= 8) && (size > d->threshold)) - { -#ifdef HAVE_MITSHM - if( initXImage(sw, sh)) - { - XShmGetImage(qt_xdisplay(), src->handle(), d->ximage, sx, sy, AllPlanes); - image = convertFromXImage(); - doneXImage(); - fallback = false; - } -#endif - } - if( fallback ) - { - TQPixmap pix(sw, sh); - bitBlt(&pix, 0, 0, src, sx, sy, sw, sh); - image = pix.convertToImage(); - } - return image; -} - - -#ifdef HAVE_MITSHM - -void KPixmapIO::preAllocShm(int size) -{ - destroyXImage(); - createShmSegment(size); -} - - -void KPixmapIO::setShmPolicy(int policy) -{ - switch (policy) - { - case ShmDontKeep: - d->shmpolicy = ShmDontKeep; - d->threshold = 5000; - break; - case ShmKeepAndGrow: - d->shmpolicy = ShmKeepAndGrow; - d->threshold = 2000; - break; - default: - break; - } -} - - -bool KPixmapIO::initXImage(int w, int h) -{ - if (d->ximage && (w == d->ximage->width) && (h == d->ximage->height)) - return true; - - if( !createXImage(w, h)) - return false; - int size = d->ximage->bytes_per_line * d->ximage->height; - if (size > d->shmsize) - { - if( !createShmSegment(size)) - { - destroyXImage(); - return false; - } - } - d->ximage->data = d->shminfo->shmaddr; - return true; -} - - -void KPixmapIO::doneXImage() -{ - if (d->shmpolicy == ShmDontKeep) - { - destroyXImage(); - destroyShmSegment(); - } -} - - -void KPixmapIO::destroyXImage() -{ - if (d->ximage) - { - XDestroyImage(d->ximage); - d->ximage = 0L; - } -} - - -bool KPixmapIO::createXImage(int w, int h) -{ - destroyXImage(); - d->ximage = XShmCreateImage(qt_xdisplay(), (Visual *) TQPaintDevice::x11AppVisual(), - TQPaintDevice::x11AppDepth(), ZPixmap, 0L, d->shminfo, w, h); - return d->ximage != None; -} - - -void KPixmapIO::destroyShmSegment() -{ - if (d->shmsize) - { - XShmDetach(qt_xdisplay(), d->shminfo); - shmdt(d->shminfo->shmaddr); - shmctl(d->shminfo->shmid, IPC_RMID, 0); - d->shmsize = 0; - } -} - -static bool use_xshm = true; -static unsigned long kpixmapio_serial; -static int (*old_errhandler)(Display *dpy, XErrorEvent *ev) = 0; - -static int kpixmapio_errorhandler(Display *dpy, XErrorEvent *ev) -{ - if(ev->serial == kpixmapio_serial) { - /* assuming that xshm errors mean it can't be used at all - (e.g. remote display) */ - use_xshm = false; - kdDebug(290) << "Disabling Xshm" << endl; - return 0; - } else { - // another error - return old_errhandler(dpy, ev); - } -} - -bool KPixmapIO::createShmSegment(int size) -{ - destroyShmSegment(); - d->shminfo->shmid = shmget(IPC_PRIVATE, size, IPC_CREAT|0600); - if ( d->shminfo->shmid < 0) - { - kdWarning(290) << "Could not get shared memory segment.\n"; - m_bShm = false; - return false; - } - - d->shminfo->shmaddr = (char *) shmat(d->shminfo->shmid, 0, 0); - if (d->shminfo->shmaddr == (char *)-1) - { - kdWarning(290) << "Could not attach shared memory segment.\n"; - m_bShm = false; - shmctl(d->shminfo->shmid, IPC_RMID, 0); - return false; - } - - d->shminfo->readOnly = false; - - if (d->first_try) { - // make sure that we don't get errors of old stuff - XSync(qt_xdisplay(), False); - old_errhandler = XSetErrorHandler(kpixmapio_errorhandler); - kpixmapio_serial = NextRequest(qt_xdisplay()); - } - - if ( !XShmAttach(qt_xdisplay(), d->shminfo)) - { - kdWarning() << "X-Server could not attach shared memory segment.\n"; - m_bShm = false; - shmdt(d->shminfo->shmaddr); - shmctl(d->shminfo->shmid, IPC_RMID, 0); - } - - if (d->first_try) { - XSync(qt_xdisplay(), false); - - if (!use_xshm) - m_bShm = false; - - XSetErrorHandler(old_errhandler); - d->first_try = false; - } - d->shmsize = size; - - return m_bShm; -} - - -/* - * The following functions convertToXImage/convertFromXImage are a little - * long. This is because of speed, I want to get as much out of the inner - * loop as possible. - */ - -TQImage KPixmapIO::convertFromXImage() -{ - int x, y; - int width = d->ximage->width, height = d->ximage->height; - int bpl = d->ximage->bytes_per_line; - char *data = d->ximage->data; - - TQImage image; - if (d->bpp == 8) - { - image.create(width, height, 8); - - // Query color map. Don't remove unused entries as a speed - // optmization. - int i, ncells = 256; - XColor *cmap = new XColor[ncells]; - for (i=0; i> 8)); - } else - image.create(width, height, 32); - - switch (d->byteorder) - { - - case bo8: - { - for (y=0; y>= 16; - val = ((pixel & 0xf800) << 8) | ((pixel & 0x7e0) << 5) | - ((pixel & 0x1f) << 3); - *dst++ = val; - } - if (width%2) - { - pixel = *src++; - val = ((pixel & 0xf800) << 8) | ((pixel & 0x7e0) << 5) | - ((pixel & 0x1f) << 3); - *dst++ = val; - } - } - break; - } - - case bo16_RGB_555: - case bo16_BGR_555: - { - TQ_INT32 pixel, *src; - TQRgb *dst, val; - for (y=0; y>= 16; - val = ((pixel & 0x7c00) << 9) | ((pixel & 0x3e0) << 6) | - ((pixel & 0x1f) << 3); - *dst++ = val; - } - if (width%2) - { - pixel = *src++; - val = ((pixel & 0x7c00) << 9) | ((pixel & 0x3e0) << 6) | - ((pixel & 0x1f) << 3); - *dst++ = val; - } - } - break; - } - - case bo24_RGB: - { - char *src; - TQRgb *dst; - int w1 = width/4; - TQ_INT32 d1, d2, d3; - for (y=0; y> 24) | (d2 << 8); - *dst++ = (d3 << 16) | (d2 >> 16); - *dst++ = d3 >> 8; - } - for (x=w1*4; x> 24) | (d2 << 8); - *dst++ = (d3 << 16) | (d2 >> 16); - *dst++ = d3 >> 8; - } - for (x=w1*4; xximage->width, height = d->ximage->height; - int bpl = d->ximage->bytes_per_line; - char *data = d->ximage->data; - - switch (d->byteorder) - { - - case bo16_RGB_555: - case bo16_BGR_555: - - if (img.depth() == 32) - { - TQRgb *src, pixel; - TQ_INT32 *dst, val; - for (y=0; y> 9) | ((pixel & 0xf800) >> 6) | - ((pixel & 0xff) >> 3); - pixel = *src++; - val |= (((pixel & 0xf80000) >> 9) | ((pixel & 0xf800) >> 6) | - ((pixel & 0xff) >> 3)) << 16; - *dst++ = val; - } - if (width%2) - { - pixel = *src++; - *((TQ_INT16 *)dst) = ((pixel & 0xf80000) >> 9) | - ((pixel & 0xf800) >> 6) | ((pixel & 0xff) >> 3); - } - } - } else - { - uchar *src; - TQ_INT32 val, *dst; - TQRgb pixel, *clut = img.tqcolorTable(); - for (y=0; y(img).scanLine(y); - dst = (TQ_INT32 *) (data + y*bpl); - for (x=0; x> 9) | ((pixel & 0xf800) >> 6) | - ((pixel & 0xff) >> 3); - pixel = clut[*src++]; - val |= (((pixel & 0xf80000) >> 9) | ((pixel & 0xf800) >> 6) | - ((pixel & 0xff) >> 3)) << 16; - *dst++ = val; - } - if (width%2) - { - pixel = clut[*src++]; - *((TQ_INT16 *)dst) = ((pixel & 0xf80000) >> 9) | - ((pixel & 0xf800) >> 6) | ((pixel & 0xff) >> 3); - } - } - } - break; - - case bo16_RGB_565: - case bo16_BGR_565: - - if (img.depth() == 32) - { - TQRgb *src, pixel; - TQ_INT32 *dst, val; - for (y=0; y> 8) | ((pixel & 0xfc00) >> 5) | - ((pixel & 0xff) >> 3); - pixel = *src++; - val |= (((pixel & 0xf80000) >> 8) | ((pixel & 0xfc00) >> 5) | - ((pixel & 0xff) >> 3)) << 16; - *dst++ = val; - } - if (width%2) - { - pixel = *src++; - *((TQ_INT16 *)dst) = ((pixel & 0xf80000) >> 8) | - ((pixel & 0xfc00) >> 5) | ((pixel & 0xff) >> 3); - } - } - } else - { - uchar *src; - TQ_INT32 val, *dst; - TQRgb pixel, *clut = img.tqcolorTable(); - for (y=0; y(img).scanLine(y); - dst = (TQ_INT32 *) (data + y*bpl); - for (x=0; x> 8) | ((pixel & 0xfc00) >> 5) | - ((pixel & 0xff) >> 3); - pixel = clut[*src++]; - val |= (((pixel & 0xf80000) >> 8) | ((pixel & 0xfc00) >> 5) | - ((pixel & 0xff) >> 3)) << 16; - *dst++ = val; - } - if (width%2) - { - pixel = clut[*src++]; - *((TQ_INT16 *)dst) = ((pixel & 0xf80000) >> 8) | - ((pixel & 0xfc00) >> 5) | ((pixel & 0xff) >> 3); - } - } - } - break; - - case bo24_RGB: - - if (img.depth() == 32) - { - char *dst; - int w1 = width/4; - TQRgb *src, d1, d2, d3, d4; - for (y=0; y> 8) | (d3 << 16); - *((TQ_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16); - dst += 12; - } - for (x=w1*4; x(img).scanLine(y); - dst = (uchar *) data + y*bpl; - for (x=0; x> 8) | (d3 << 16); - *((TQ_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16); - dst += 12; - } - for (x=w1*4; x> 8) | (d3 << 16); - *((TQ_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16); - dst += 12; - } - for (x=w1*4; x(img).scanLine(y); - dst = (uchar *) data + y*bpl; - for (x=0; x> 8) | (d3 << 16); - *((TQ_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16); - dst += 12; - } - for (x=w1*4; x(img).scanLine(y); - dst = (TQRgb *) (data + y*bpl); - for (x=0; x