diff options
Diffstat (limited to 'src/widgets/platforms/x11/qpaintengine_x11.cpp')
| -rw-r--r-- | src/widgets/platforms/x11/qpaintengine_x11.cpp | 2499 |
1 files changed, 0 insertions, 2499 deletions
diff --git a/src/widgets/platforms/x11/qpaintengine_x11.cpp b/src/widgets/platforms/x11/qpaintengine_x11.cpp deleted file mode 100644 index 3cb3e3caf7..0000000000 --- a/src/widgets/platforms/x11/qpaintengine_x11.cpp +++ /dev/null @@ -1,2499 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qplatformdefs.h" - -#include "private/qpixmap_x11_p.h" - -#include "qapplication.h" -#include "qdebug.h" -#include "qfont.h" -#include "qwidget.h" -#include "qbitmap.h" -#include "qpixmapcache.h" -#include "qtextcodec.h" -#include "qcoreevent.h" -#include "qiodevice.h" -#include <qmath.h> - -#include "qpainter_p.h" -#include <qtextlayout.h> -#include <qvarlengtharray.h> -#include <private/qfont_p.h> -#include <private/qtextengine_p.h> -#include <private/qpaintengine_x11_p.h> -#include <private/qfontengine_x11_p.h> -#include <private/qwidget_p.h> -#include <private/qpainterpath_p.h> - -#include "qpen.h" -#include "qcolor.h" -#include "qcolormap.h" - -#include <private/qpaintengine_p.h> -#include "qpaintengine_x11_p.h" - -#include <private/qt_x11_p.h> -#include <private/qnumeric_p.h> -#include <limits.h> - -#ifndef QT_NO_XRENDER -#include <private/qtessellator_p.h> -#endif - -#include <private/qhexstring_p.h> - -QT_BEGIN_NAMESPACE - -extern Drawable qt_x11Handle(const QPaintDevice *pd); -extern const QX11Info *qt_x11Info(const QPaintDevice *pd); -extern QPixmap qt_pixmapForBrush(int brushStyle, bool invert); //in qbrush.cpp -extern QPixmap qt_toX11Pixmap(const QPixmap &pixmap); - -// use the same rounding as in qrasterizer.cpp (6 bit fixed point) -static const qreal aliasedCoordinateDelta = 0.5 - 0.015625; - -#undef X11 // defined in qt_x11_p.h -/*! - Returns the X11 specific pen GC for the painter \a p. Note that - QPainter::begin() must be called before this function returns a - valid GC. -*/ -Q_WIDGETS_EXPORT GC qt_x11_get_pen_gc(QPainter *p) -{ - if (p && p->paintEngine() - && p->paintEngine()->isActive() - && p->paintEngine()->type() == QPaintEngine::X11) { - return static_cast<QX11PaintEngine *>(p->paintEngine())->d_func()->gc; - } - return 0; -} - -/*! - Returns the X11 specific brush GC for the painter \a p. Note that - QPainter::begin() must be called before this function returns a - valid GC. -*/ -Q_WIDGETS_EXPORT GC qt_x11_get_brush_gc(QPainter *p) -{ - if (p && p->paintEngine() - && p->paintEngine()->isActive() - && p->paintEngine()->type() == QPaintEngine::X11) { - return static_cast<QX11PaintEngine *>(p->paintEngine())->d_func()->gc_brush; - } - return 0; -} -#define X11 qt_x11Data - -#ifndef QT_NO_XRENDER -static const int compositionModeToRenderOp[QPainter::CompositionMode_Xor + 1] = { - PictOpOver, //CompositionMode_SourceOver, - PictOpOverReverse, //CompositionMode_DestinationOver, - PictOpClear, //CompositionMode_Clear, - PictOpSrc, //CompositionMode_Source, - PictOpDst, //CompositionMode_Destination, - PictOpIn, //CompositionMode_SourceIn, - PictOpInReverse, //CompositionMode_DestinationIn, - PictOpOut, //CompositionMode_SourceOut, - PictOpOutReverse, //CompositionMode_DestinationOut, - PictOpAtop, //CompositionMode_SourceAtop, - PictOpAtopReverse, //CompositionMode_DestinationAtop, - PictOpXor //CompositionMode_Xor -}; - -static inline int qpainterOpToXrender(QPainter::CompositionMode mode) -{ - Q_ASSERT(mode <= QPainter::CompositionMode_Xor); - return compositionModeToRenderOp[mode]; -} -#endif - -// hack, so we don't have to make QRegion::clipRectangles() public or include -// X11 headers in qregion.h -Q_WIDGETS_EXPORT void *qt_getClipRects(const QRegion &r, int &num) -{ - return r.clipRectangles(num); -} - -static inline void x11SetClipRegion(Display *dpy, GC gc, GC gc2, -#ifndef QT_NO_XRENDER - Picture picture, -#else - Qt::HANDLE picture, -#endif - const QRegion &r) -{ - int num; - XRectangle *rects = (XRectangle *)qt_getClipRects(r, num); - - if (gc) - XSetClipRectangles( dpy, gc, 0, 0, rects, num, YXBanded ); - if (gc2) - XSetClipRectangles( dpy, gc2, 0, 0, rects, num, YXBanded ); - -#ifndef QT_NO_XRENDER - if (picture) - XRenderSetPictureClipRectangles(dpy, picture, 0, 0, rects, num); -#else - Q_UNUSED(picture); -#endif // QT_NO_XRENDER -} - - -static inline void x11ClearClipRegion(Display *dpy, GC gc, GC gc2, -#ifndef QT_NO_XRENDER - Picture picture -#else - Qt::HANDLE picture -#endif - ) -{ - if (gc) - XSetClipMask(dpy, gc, XNone); - if (gc2) - XSetClipMask(dpy, gc2, XNone); - -#ifndef QT_NO_XRENDER - if (picture) { - XRenderPictureAttributes attrs; - attrs.clip_mask = XNone; - XRenderChangePicture (dpy, picture, CPClipMask, &attrs); - } -#else - Q_UNUSED(picture); -#endif // QT_NO_XRENDER -} - - -#define DITHER_SIZE 16 -static const uchar base_dither_matrix[DITHER_SIZE][DITHER_SIZE] = { - { 0,192, 48,240, 12,204, 60,252, 3,195, 51,243, 15,207, 63,255 }, - { 128, 64,176,112,140, 76,188,124,131, 67,179,115,143, 79,191,127 }, - { 32,224, 16,208, 44,236, 28,220, 35,227, 19,211, 47,239, 31,223 }, - { 160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95 }, - { 8,200, 56,248, 4,196, 52,244, 11,203, 59,251, 7,199, 55,247 }, - { 136, 72,184,120,132, 68,180,116,139, 75,187,123,135, 71,183,119 }, - { 40,232, 24,216, 36,228, 20,212, 43,235, 27,219, 39,231, 23,215 }, - { 168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87 }, - { 2,194, 50,242, 14,206, 62,254, 1,193, 49,241, 13,205, 61,253 }, - { 130, 66,178,114,142, 78,190,126,129, 65,177,113,141, 77,189,125 }, - { 34,226, 18,210, 46,238, 30,222, 33,225, 17,209, 45,237, 29,221 }, - { 162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93 }, - { 10,202, 58,250, 6,198, 54,246, 9,201, 57,249, 5,197, 53,245 }, - { 138, 74,186,122,134, 70,182,118,137, 73,185,121,133, 69,181,117 }, - { 42,234, 26,218, 38,230, 22,214, 41,233, 25,217, 37,229, 21,213 }, - { 170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85 } -}; - -static QPixmap qt_patternForAlpha(uchar alpha, int screen) -{ - QPixmap pm; - QString key = QLatin1Literal("$qt-alpha-brush$") - % HexString<uchar>(alpha) - % HexString<int>(screen); - - if (!QPixmapCache::find(key, pm)) { - // #### why not use a mono image here???? - QImage pattern(DITHER_SIZE, DITHER_SIZE, QImage::Format_ARGB32); - pattern.fill(0xffffffff); - for (int y = 0; y < DITHER_SIZE; ++y) { - for (int x = 0; x < DITHER_SIZE; ++x) { - if (base_dither_matrix[x][y] <= alpha) - pattern.setPixel(x, y, 0x00000000); - } - } - pm = QBitmap::fromImage(pattern); - pm.x11SetScreen(screen); - QPixmapCache::insert(key, pm); - } - return pm; -} - -#if !defined(QT_NO_XRENDER) - -class QXRenderTessellator : public QTessellator -{ -public: - QXRenderTessellator() : traps(0), allocated(0), size(0) {} - ~QXRenderTessellator() { free(traps); } - XTrapezoid *traps; - int allocated; - int size; - void addTrap(const Trapezoid &trap); - QRect tessellate(const QPointF *points, int nPoints, bool winding) { - size = 0; - setWinding(winding); - return QTessellator::tessellate(points, nPoints).toRect(); - } - void done() { - if (allocated > 64) { - free(traps); - traps = 0; - allocated = 0; - } - } -}; - -void QXRenderTessellator::addTrap(const Trapezoid &trap) -{ - if (size == allocated) { - allocated = qMax(2*allocated, 64); - traps = q_check_ptr((XTrapezoid *)realloc(traps, allocated * sizeof(XTrapezoid))); - } - traps[size].top = Q27Dot5ToXFixed(trap.top); - traps[size].bottom = Q27Dot5ToXFixed(trap.bottom); - traps[size].left.p1.x = Q27Dot5ToXFixed(trap.topLeft->x); - traps[size].left.p1.y = Q27Dot5ToXFixed(trap.topLeft->y); - traps[size].left.p2.x = Q27Dot5ToXFixed(trap.bottomLeft->x); - traps[size].left.p2.y = Q27Dot5ToXFixed(trap.bottomLeft->y); - traps[size].right.p1.x = Q27Dot5ToXFixed(trap.topRight->x); - traps[size].right.p1.y = Q27Dot5ToXFixed(trap.topRight->y); - traps[size].right.p2.x = Q27Dot5ToXFixed(trap.bottomRight->x); - traps[size].right.p2.y = Q27Dot5ToXFixed(trap.bottomRight->y); - ++size; -} - -#endif // !defined(QT_NO_XRENDER) - - -#ifndef QT_NO_XRENDER -static Picture getPatternFill(int screen, const QBrush &b) -{ - if (!X11->use_xrender) - return XNone; - - XRenderColor color = X11->preMultiply(b.color()); - XRenderColor bg_color; - - bg_color = X11->preMultiply(QColor(0, 0, 0, 0)); - - for (int i = 0; i < X11->pattern_fill_count; ++i) { - if (X11->pattern_fills[i].screen == screen - && X11->pattern_fills[i].opaque == false - && X11->pattern_fills[i].style == b.style() - && X11->pattern_fills[i].color.alpha == color.alpha - && X11->pattern_fills[i].color.red == color.red - && X11->pattern_fills[i].color.green == color.green - && X11->pattern_fills[i].color.blue == color.blue - && X11->pattern_fills[i].bg_color.alpha == bg_color.alpha - && X11->pattern_fills[i].bg_color.red == bg_color.red - && X11->pattern_fills[i].bg_color.green == bg_color.green - && X11->pattern_fills[i].bg_color.blue == bg_color.blue) - return X11->pattern_fills[i].picture; - } - // none found, replace one - int i = qrand() % 16; - - if (X11->pattern_fills[i].screen != screen && X11->pattern_fills[i].picture) { - XRenderFreePicture (X11->display, X11->pattern_fills[i].picture); - X11->pattern_fills[i].picture = 0; - } - - if (!X11->pattern_fills[i].picture) { - Pixmap pixmap = XCreatePixmap (X11->display, RootWindow (X11->display, screen), 8, 8, 32); - XRenderPictureAttributes attrs; - attrs.repeat = True; - X11->pattern_fills[i].picture = XRenderCreatePicture (X11->display, pixmap, - XRenderFindStandardFormat(X11->display, PictStandardARGB32), - CPRepeat, &attrs); - XFreePixmap (X11->display, pixmap); - } - - X11->pattern_fills[i].screen = screen; - X11->pattern_fills[i].color = color; - X11->pattern_fills[i].bg_color = bg_color; - X11->pattern_fills[i].opaque = false; - X11->pattern_fills[i].style = b.style(); - - XRenderFillRectangle(X11->display, PictOpSrc, X11->pattern_fills[i].picture, &bg_color, 0, 0, 8, 8); - - QPixmap pattern(qt_pixmapForBrush(b.style(), true)); - XRenderPictureAttributes attrs; - attrs.repeat = true; - XRenderChangePicture(X11->display, pattern.x11PictureHandle(), CPRepeat, &attrs); - - Picture fill_fg = X11->getSolidFill(screen, b.color()); - XRenderComposite(X11->display, PictOpOver, fill_fg, pattern.x11PictureHandle(), - X11->pattern_fills[i].picture, - 0, 0, 0, 0, 0, 0, 8, 8); - - return X11->pattern_fills[i].picture; -} - -static void qt_render_bitmap(Display *dpy, int scrn, Picture src, Picture dst, - int sx, int sy, int x, int y, int sw, int sh, - const QPen &pen) -{ - Picture fill_fg = X11->getSolidFill(scrn, pen.color()); - XRenderComposite(dpy, PictOpOver, - fill_fg, src, dst, sx, sy, sx, sy, x, y, sw, sh); -} -#endif - -void QX11PaintEnginePrivate::init() -{ - dpy = 0; - scrn = 0; - hd = 0; - picture = 0; - xinfo = 0; -#ifndef QT_NO_XRENDER - current_brush = 0; - composition_mode = PictOpOver; - tessellator = new QXRenderTessellator; -#endif -} - -void QX11PaintEnginePrivate::setupAdaptedOrigin(const QPoint &p) -{ - if (adapted_pen_origin) - XSetTSOrigin(dpy, gc, p.x(), p.y()); - if (adapted_brush_origin) - XSetTSOrigin(dpy, gc_brush, p.x(), p.y()); -} - -void QX11PaintEnginePrivate::resetAdaptedOrigin() -{ - if (adapted_pen_origin) - XSetTSOrigin(dpy, gc, 0, 0); - if (adapted_brush_origin) - XSetTSOrigin(dpy, gc_brush, 0, 0); -} - -void QX11PaintEnginePrivate::clipPolygon_dev(const QPolygonF &poly, QPolygonF *clipped_poly) -{ - int clipped_count = 0; - qt_float_point *clipped_points = 0; - polygonClipper.clipPolygon((qt_float_point *) poly.data(), poly.size(), - &clipped_points, &clipped_count); - clipped_poly->resize(clipped_count); - for (int i=0; i<clipped_count; ++i) - (*clipped_poly)[i] = *((QPointF *)(&clipped_points[i])); -} - -void QX11PaintEnginePrivate::systemStateChanged() -{ - Q_Q(QX11PaintEngine); - QPainter *painter = q->state ? static_cast<QPainterState *>(q->state)->painter : 0; - if (painter && painter->hasClipping()) { - if (q->testDirty(QPaintEngine::DirtyTransform)) - q->updateMatrix(q->state->transform()); - QPolygonF clip_poly_dev(matrix.map(painter->clipPath().toFillPolygon())); - QPolygonF clipped_poly_dev; - clipPolygon_dev(clip_poly_dev, &clipped_poly_dev); - q->updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon()), Qt::ReplaceClip); - } else { - q->updateClipRegion_dev(QRegion(), Qt::NoClip); - } -} - -static QPaintEngine::PaintEngineFeatures qt_decide_features() -{ - QPaintEngine::PaintEngineFeatures features = - QPaintEngine::PrimitiveTransform - | QPaintEngine::PatternBrush - | QPaintEngine::AlphaBlend - | QPaintEngine::PainterPaths - | QPaintEngine::RasterOpModes; - - if (X11->use_xrender) { - features |= QPaintEngine::Antialiasing; - features |= QPaintEngine::PorterDuff; - features |= QPaintEngine::MaskedBrush; -#if 0 - if (X11->xrender_version > 10) { - features |= QPaintEngine::LinearGradientFill; - // ### - } -#endif - } - - return features; -} - -/* - * QX11PaintEngine members - */ - -QX11PaintEngine::QX11PaintEngine() - : QPaintEngine(*(new QX11PaintEnginePrivate), qt_decide_features()) -{ - d_func()->init(); -} - -QX11PaintEngine::QX11PaintEngine(QX11PaintEnginePrivate &dptr) - : QPaintEngine(dptr, qt_decide_features()) -{ - d_func()->init(); -} - -QX11PaintEngine::~QX11PaintEngine() -{ -#ifndef QT_NO_XRENDER - Q_D(QX11PaintEngine); - delete d->tessellator; -#endif -} - -bool QX11PaintEngine::begin(QPaintDevice *pdev) -{ - Q_D(QX11PaintEngine); - d->xinfo = qt_x11Info(pdev); - QWidget *w = d->pdev->devType() == QInternal::Widget ? static_cast<QWidget *>(d->pdev) : 0; - const bool isAlienWidget = w && !w->internalWinId() && w->testAttribute(Qt::WA_WState_Created); -#ifndef QT_NO_XRENDER - if (w) { - if (isAlienWidget) - d->picture = (::Picture)w->nativeParentWidget()->x11PictureHandle(); - else - d->picture = (::Picture)w->x11PictureHandle(); - } else if (pdev->devType() == QInternal::Pixmap) { - const QPixmap *pm = static_cast<const QPixmap *>(pdev); - QX11PlatformPixmap *data = static_cast<QX11PlatformPixmap*>(pm->data.data()); - if (X11->use_xrender && data->depth() != 32 && data->x11_mask) - data->convertToARGB32(); - d->picture = (::Picture)static_cast<const QPixmap *>(pdev)->x11PictureHandle(); - } -#else - d->picture = 0; -#endif - d->hd = !isAlienWidget ? qt_x11Handle(pdev) : qt_x11Handle(w->nativeParentWidget()); - - Q_ASSERT(d->xinfo != 0); - d->dpy = d->xinfo->display(); // get display variable - d->scrn = d->xinfo->screen(); // get screen variable - - d->crgn = QRegion(); - d->gc = XCreateGC(d->dpy, d->hd, 0, 0); - d->gc_brush = XCreateGC(d->dpy, d->hd, 0, 0); - d->has_alpha_brush = false; - d->has_alpha_pen = false; - d->has_clipping = false; - d->has_complex_xform = false; - d->has_scaling_xform = false; - d->has_non_scaling_xform = true; - d->xform_scale = 1; - d->has_custom_pen = false; - d->matrix = QTransform(); - d->pdev_depth = d->pdev->depth(); - d->render_hints = 0; - d->txop = QTransform::TxNone; - d->use_path_fallback = false; -#if !defined(QT_NO_XRENDER) - d->composition_mode = PictOpOver; -#endif - d->xlibMaxLinePoints = 32762; // a safe number used to avoid, call to XMaxRequestSize(d->dpy) - 3; - d->opacity = 1; - - // Set up the polygon clipper. Note: This will only work in - // polyline mode as long as we have a buffer zone, since a - // polyline may be clipped into several non-connected polylines. - const int BUFFERZONE = 1000; - QRect devClipRect(-BUFFERZONE, -BUFFERZONE, - pdev->width() + 2*BUFFERZONE, pdev->height() + 2*BUFFERZONE); - d->polygonClipper.setBoundingRect(devClipRect); - - if (isAlienWidget) { - // Set system clip for alien widgets painting outside the paint event. - // This is not a problem with native windows since the windowing system - // will handle the clip. - QWidgetPrivate *wd = w->d_func(); - QRegion widgetClip(wd->clipRect()); - wd->clipToEffectiveMask(widgetClip); - wd->subtractOpaqueSiblings(widgetClip); - widgetClip.translate(w->mapTo(w->nativeParentWidget(), QPoint())); - setSystemClip(widgetClip); - } - - QPixmap::x11SetDefaultScreen(d->xinfo->screen()); - - if (w && w->testAttribute(Qt::WA_PaintUnclipped)) { // paint direct on device - updatePen(QPen(Qt::black)); - updateBrush(QBrush(Qt::white), QPoint()); - XSetSubwindowMode(d->dpy, d->gc, IncludeInferiors); - XSetSubwindowMode(d->dpy, d->gc_brush, IncludeInferiors); -#ifndef QT_NO_XRENDER - XRenderPictureAttributes attrs; - attrs.subwindow_mode = IncludeInferiors; - XRenderChangePicture(d->dpy, d->picture, CPSubwindowMode, &attrs); -#endif - } - - setDirty(QPaintEngine::DirtyClipRegion); - setDirty(QPaintEngine::DirtyPen); - setDirty(QPaintEngine::DirtyBrush); - setDirty(QPaintEngine::DirtyBackground); - - return true; -} - -bool QX11PaintEngine::end() -{ - Q_D(QX11PaintEngine); - -#if !defined(QT_NO_XRENDER) - if (d->picture) { - // reset clipping/subwindow mode on our render picture - XRenderPictureAttributes attrs; - attrs.subwindow_mode = ClipByChildren; - attrs.clip_mask = XNone; - XRenderChangePicture(d->dpy, d->picture, CPClipMask|CPSubwindowMode, &attrs); - } -#endif - - if (d->gc_brush && d->pdev->painters < 2) { - XFreeGC(d->dpy, d->gc_brush); - d->gc_brush = 0; - } - - if (d->gc && d->pdev->painters < 2) { - XFreeGC(d->dpy, d->gc); - d->gc = 0; - } - - // Restore system clip for alien widgets painting outside the paint event. - if (d->pdev->devType() == QInternal::Widget && !static_cast<QWidget *>(d->pdev)->internalWinId()) - setSystemClip(QRegion()); - - return true; -} - -static bool clipLine(QLineF *line, const QRect &rect) -{ - qreal x1 = line->x1(); - qreal x2 = line->x2(); - qreal y1 = line->y1(); - qreal y2 = line->y2(); - - qreal left = rect.x(); - qreal right = rect.x() + rect.width() - 1; - qreal top = rect.y(); - qreal bottom = rect.y() + rect.height() - 1; - - enum { Left, Right, Top, Bottom }; - // clip the lines, after cohen-sutherland, see e.g. http://www.nondot.org/~sabre/graphpro/line6.html - int p1 = ((x1 < left) << Left) - | ((x1 > right) << Right) - | ((y1 < top) << Top) - | ((y1 > bottom) << Bottom); - int p2 = ((x2 < left) << Left) - | ((x2 > right) << Right) - | ((y2 < top) << Top) - | ((y2 > bottom) << Bottom); - - if (p1 & p2) - // completely outside - return false; - - if (p1 | p2) { - qreal dx = x2 - x1; - qreal dy = y2 - y1; - - // clip x coordinates - if (x1 < left) { - y1 += dy/dx * (left - x1); - x1 = left; - } else if (x1 > right) { - y1 -= dy/dx * (x1 - right); - x1 = right; - } - if (x2 < left) { - y2 += dy/dx * (left - x2); - x2 = left; - } else if (x2 > right) { - y2 -= dy/dx * (x2 - right); - x2 = right; - } - p1 = ((y1 < top) << Top) - | ((y1 > bottom) << Bottom); - p2 = ((y2 < top) << Top) - | ((y2 > bottom) << Bottom); - if (p1 & p2) - return false; - // clip y coordinates - if (y1 < top) { - x1 += dx/dy * (top - y1); - y1 = top; - } else if (y1 > bottom) { - x1 -= dx/dy * (y1 - bottom); - y1 = bottom; - } - if (y2 < top) { - x2 += dx/dy * (top - y2); - y2 = top; - } else if (y2 > bottom) { - x2 -= dx/dy * (y2 - bottom); - y2 = bottom; - } - *line = QLineF(QPointF(x1, y1), QPointF(x2, y2)); - } - return true; -} - -void QX11PaintEngine::drawLines(const QLine *lines, int lineCount) -{ - Q_ASSERT(lines); - Q_ASSERT(lineCount); - Q_D(QX11PaintEngine); - if (d->has_alpha_brush - || d->has_alpha_pen - || d->has_custom_pen - || (d->cpen.widthF() > 0 && d->has_complex_xform - && !d->has_non_scaling_xform) - || (d->render_hints & QPainter::Antialiasing)) { - for (int i = 0; i < lineCount; ++i) { - QPainterPath path(lines[i].p1()); - path.lineTo(lines[i].p2()); - drawPath(path); - } - return; - } - - if (d->has_pen) { - for (int i = 0; i < lineCount; ++i) { - QLineF linef; - if (d->txop == QTransform::TxNone) { - linef = lines[i]; - } else { - linef = d->matrix.map(QLineF(lines[i])); - } - if (clipLine(&linef, d->polygonClipper.boundingRect())) { - int x1 = qRound(linef.x1() + aliasedCoordinateDelta); - int y1 = qRound(linef.y1() + aliasedCoordinateDelta); - int x2 = qRound(linef.x2() + aliasedCoordinateDelta); - int y2 = qRound(linef.y2() + aliasedCoordinateDelta); - - XDrawLine(d->dpy, d->hd, d->gc, x1, y1, x2, y2); - } - } - } -} - -void QX11PaintEngine::drawLines(const QLineF *lines, int lineCount) -{ - Q_ASSERT(lines); - Q_ASSERT(lineCount); - Q_D(QX11PaintEngine); - if (d->has_alpha_brush - || d->has_alpha_pen - || d->has_custom_pen - || (d->cpen.widthF() > 0 && d->has_complex_xform - && !d->has_non_scaling_xform) - || (d->render_hints & QPainter::Antialiasing)) { - for (int i = 0; i < lineCount; ++i) { - QPainterPath path(lines[i].p1()); - path.lineTo(lines[i].p2()); - drawPath(path); - } - return; - } - - if (d->has_pen) { - for (int i = 0; i < lineCount; ++i) { - QLineF linef = d->matrix.map(lines[i]); - if (clipLine(&linef, d->polygonClipper.boundingRect())) { - int x1 = qRound(linef.x1() + aliasedCoordinateDelta); - int y1 = qRound(linef.y1() + aliasedCoordinateDelta); - int x2 = qRound(linef.x2() + aliasedCoordinateDelta); - int y2 = qRound(linef.y2() + aliasedCoordinateDelta); - - XDrawLine(d->dpy, d->hd, d->gc, x1, y1, x2, y2); - } - } - } -} - -static inline QLine clipStraightLine(const QRect &clip, const QLine &l) -{ - if (l.p1().x() == l.p2().x()) { - int x = qBound(clip.left(), l.p1().x(), clip.right()); - int y1 = qBound(clip.top(), l.p1().y(), clip.bottom()); - int y2 = qBound(clip.top(), l.p2().y(), clip.bottom()); - - return QLine(x, y1, x, y2); - } else { - Q_ASSERT(l.p1().y() == l.p2().y()); - - int x1 = qBound(clip.left(), l.p1().x(), clip.right()); - int x2 = qBound(clip.left(), l.p2().x(), clip.right()); - int y = qBound(clip.top(), l.p1().y(), clip.bottom()); - - return QLine(x1, y, x2, y); - } -} - -void QX11PaintEngine::drawRects(const QRectF *rects, int rectCount) -{ - Q_D(QX11PaintEngine); - Q_ASSERT(rects); - Q_ASSERT(rectCount); - - if (rectCount != 1 - || d->has_pen - || d->has_alpha_brush - || d->has_complex_xform - || d->has_custom_pen - || d->cbrush.style() != Qt::SolidPattern) - { - QPaintEngine::drawRects(rects, rectCount); - return; - } - - QPoint alignedOffset; - if (d->txop == QTransform::TxTranslate) { - QPointF offset(d->matrix.dx(), d->matrix.dy()); - alignedOffset = offset.toPoint(); - if (offset != QPointF(alignedOffset)) { - QPaintEngine::drawRects(rects, rectCount); - return; - } - } - - const QRectF& r = rects[0]; - QRect alignedRect = r.toAlignedRect(); - if (r != QRectF(alignedRect)) { - QPaintEngine::drawRects(rects, rectCount); - return; - } - alignedRect.translate(alignedOffset); - - QRect clip(d->polygonClipper.boundingRect()); - alignedRect = alignedRect.intersected(clip); - if (alignedRect.isEmpty()) - return; - - // simple-case: - // the rectangle is pixel-aligned - // the fill brush is just a solid non-alpha color - // the painter transform is only integer translation - // ignore: antialiasing and just XFillRectangles directly - XRectangle xrect; - xrect.x = short(alignedRect.x()); - xrect.y = short(alignedRect.y()); - xrect.width = ushort(alignedRect.width()); - xrect.height = ushort(alignedRect.height()); - XFillRectangles(d->dpy, d->hd, d->gc_brush, &xrect, 1); -} - -void QX11PaintEngine::drawRects(const QRect *rects, int rectCount) -{ - Q_D(QX11PaintEngine); - Q_ASSERT(rects); - Q_ASSERT(rectCount); - - if (d->has_alpha_pen - || d->has_complex_xform - || d->has_custom_pen - || (d->render_hints & QPainter::Antialiasing)) - { - for (int i = 0; i < rectCount; ++i) { - QPainterPath path; - path.addRect(rects[i]); - drawPath(path); - } - return; - } - - QRect clip(d->polygonClipper.boundingRect()); - QPoint offset(qRound(d->matrix.dx()), qRound(d->matrix.dy())); -#if !defined(QT_NO_XRENDER) - ::Picture pict = d->picture; - - if (X11->use_xrender && pict && d->has_brush && d->pdev_depth != 1 - && (d->has_texture || d->has_alpha_brush)) - { - XRenderColor xc; - if (!d->has_texture && !d->has_pattern) - xc = X11->preMultiply(d->cbrush.color()); - - for (int i = 0; i < rectCount; ++i) { - QRect r(rects[i]); - if (d->txop == QTransform::TxTranslate) - r.translate(offset); - - if (r.width() == 0 || r.height() == 0) { - if (d->has_pen) { - const QLine l = clipStraightLine(clip, QLine(r.left(), r.top(), r.left() + r.width(), r.top() + r.height())); - XDrawLine(d->dpy, d->hd, d->gc, l.p1().x(), l.p1().y(), l.p2().x(), l.p2().y()); - } - continue; - } - - r = r.intersected(clip); - if (r.isEmpty()) - continue; - if (d->has_texture || d->has_pattern) { - XRenderComposite(d->dpy, d->composition_mode, d->current_brush, 0, pict, - qRound(r.x() - d->bg_origin.x()), qRound(r.y() - d->bg_origin.y()), - 0, 0, r.x(), r.y(), r.width(), r.height()); - } else { - XRenderFillRectangle(d->dpy, d->composition_mode, pict, &xc, r.x(), r.y(), r.width(), r.height()); - } - if (d->has_pen) - XDrawRectangle(d->dpy, d->hd, d->gc, r.x(), r.y(), r.width(), r.height()); - } - } else -#endif // !QT_NO_XRENDER - { - if (d->has_brush && d->has_pen) { - for (int i = 0; i < rectCount; ++i) { - QRect r(rects[i]); - if (d->txop == QTransform::TxTranslate) - r.translate(offset); - - if (r.width() == 0 || r.height() == 0) { - const QLine l = clipStraightLine(clip, QLine(r.left(), r.top(), r.left() + r.width(), r.top() + r.height())); - XDrawLine(d->dpy, d->hd, d->gc, l.p1().x(), l.p1().y(), l.p2().x(), l.p2().y()); - continue; - } - - r = r.intersected(clip); - if (r.isEmpty()) - continue; - d->setupAdaptedOrigin(r.topLeft()); - XFillRectangle(d->dpy, d->hd, d->gc_brush, r.x(), r.y(), r.width(), r.height()); - XDrawRectangle(d->dpy, d->hd, d->gc, r.x(), r.y(), r.width(), r.height()); - } - d->resetAdaptedOrigin(); - } else { - QVarLengthArray<XRectangle> xrects(rectCount); - int numClipped = rectCount; - for (int i = 0; i < rectCount; ++i) { - QRect r(rects[i]); - if (d->txop == QTransform::TxTranslate) - r.translate(offset); - - if (r.width() == 0 || r.height() == 0) { - --numClipped; - if (d->has_pen) { - const QLine l = clipStraightLine(clip, QLine(r.left(), r.top(), r.left() + r.width(), r.top() + r.height())); - XDrawLine(d->dpy, d->hd, d->gc, l.p1().x(), l.p1().y(), l.p2().x(), l.p2().y()); - } - continue; - } - - r = r.intersected(clip); - if (r.isEmpty()) { - --numClipped; - continue; - } - xrects[i].x = short(r.x()); - xrects[i].y = short(r.y()); - xrects[i].width = ushort(r.width()); - xrects[i].height = ushort(r.height()); - } - if (numClipped) { - d->setupAdaptedOrigin(rects[0].topLeft()); - if (d->has_brush) - XFillRectangles(d->dpy, d->hd, d->gc_brush, xrects.data(), numClipped); - else if (d->has_pen) - XDrawRectangles(d->dpy, d->hd, d->gc, xrects.data(), numClipped); - d->resetAdaptedOrigin(); - } - } - } -} - -static inline void setCapStyle(int cap_style, GC gc) -{ - ulong mask = GCCapStyle; - XGCValues vals; - vals.cap_style = cap_style; - XChangeGC(X11->display, gc, mask, &vals); -} - -void QX11PaintEngine::drawPoints(const QPoint *points, int pointCount) -{ - Q_ASSERT(points); - Q_ASSERT(pointCount); - Q_D(QX11PaintEngine); - - if (!d->has_pen) - return; - - // use the same test here as in drawPath to ensure that we don't use the path fallback - // and end up in XDrawLines for pens with width <= 1 - if (d->cpen.widthF() > 1.0f - || (X11->use_xrender && (d->has_alpha_pen || (d->render_hints & QPainter::Antialiasing))) - || (!d->cpen.isCosmetic() && d->txop > QTransform::TxTranslate)) - { - Qt::PenCapStyle capStyle = d->cpen.capStyle(); - if (capStyle == Qt::FlatCap) { - setCapStyle(CapProjecting, d->gc); - d->cpen.setCapStyle(Qt::SquareCap); - } - const QPoint *end = points + pointCount; - while (points < end) { - QPainterPath path; - path.moveTo(*points); - path.lineTo(points->x()+.005, points->y()); - drawPath(path); - ++points; - } - - if (capStyle == Qt::FlatCap) { - setCapStyle(CapButt, d->gc); - d->cpen.setCapStyle(capStyle); - } - return; - } - - static const int BUF_SIZE = 1024; - XPoint xPoints[BUF_SIZE]; - int i = 0, j = 0; - while (i < pointCount) { - while (i < pointCount && j < BUF_SIZE) { - const QPoint &xformed = d->matrix.map(points[i]); - int x = xformed.x(); - int y = xformed.y(); - if (x >= SHRT_MIN && y >= SHRT_MIN && x < SHRT_MAX && y < SHRT_MAX) { - xPoints[j].x = x; - xPoints[j].y = y; - ++j; - } - ++i; - } - if (j) - XDrawPoints(d->dpy, d->hd, d->gc, xPoints, j, CoordModeOrigin); - - j = 0; - } -} - -void QX11PaintEngine::drawPoints(const QPointF *points, int pointCount) -{ - Q_ASSERT(points); - Q_ASSERT(pointCount); - Q_D(QX11PaintEngine); - - if (!d->has_pen) - return; - - // use the same test here as in drawPath to ensure that we don't use the path fallback - // and end up in XDrawLines for pens with width <= 1 - if (d->cpen.widthF() > 1.0f - || (X11->use_xrender && (d->has_alpha_pen || (d->render_hints & QPainter::Antialiasing))) - || (!d->cpen.isCosmetic() && d->txop > QTransform::TxTranslate)) - { - Qt::PenCapStyle capStyle = d->cpen.capStyle(); - if (capStyle == Qt::FlatCap) { - setCapStyle(CapProjecting, d->gc); - d->cpen.setCapStyle(Qt::SquareCap); - } - - const QPointF *end = points + pointCount; - while (points < end) { - QPainterPath path; - path.moveTo(*points); - path.lineTo(points->x() + 0.005, points->y()); - drawPath(path); - ++points; - } - if (capStyle == Qt::FlatCap) { - setCapStyle(CapButt, d->gc); - d->cpen.setCapStyle(capStyle); - } - return; - } - - static const int BUF_SIZE = 1024; - XPoint xPoints[BUF_SIZE]; - int i = 0, j = 0; - while (i < pointCount) { - while (i < pointCount && j < BUF_SIZE) { - const QPointF &xformed = d->matrix.map(points[i]); - int x = qFloor(xformed.x()); - int y = qFloor(xformed.y()); - - if (x >= SHRT_MIN && y >= SHRT_MIN && x < SHRT_MAX && y < SHRT_MAX) { - xPoints[j].x = x; - xPoints[j].y = y; - ++j; - } - ++i; - } - if (j) - XDrawPoints(d->dpy, d->hd, d->gc, xPoints, j, CoordModeOrigin); - - j = 0; - } -} - -QPainter::RenderHints QX11PaintEngine::supportedRenderHints() const -{ -#if !defined(QT_NO_XRENDER) - if (X11->use_xrender) - return QPainter::Antialiasing; -#endif - return QFlag(0); -} - -void QX11PaintEngine::updateState(const QPaintEngineState &state) -{ - Q_D(QX11PaintEngine); - QPaintEngine::DirtyFlags flags = state.state(); - - - if (flags & DirtyOpacity) { - d->opacity = state.opacity(); - // Force update pen/brush as to get proper alpha colors propagated - flags |= DirtyPen; - flags |= DirtyBrush; - } - - if (flags & DirtyTransform) updateMatrix(state.transform()); - if (flags & DirtyPen) updatePen(state.pen()); - if (flags & (DirtyBrush | DirtyBrushOrigin)) updateBrush(state.brush(), state.brushOrigin()); - if (flags & DirtyFont) updateFont(state.font()); - - if (state.state() & DirtyClipEnabled) { - if (state.isClipEnabled()) { - QPolygonF clip_poly_dev(d->matrix.map(painter()->clipPath().toFillPolygon())); - QPolygonF clipped_poly_dev; - d->clipPolygon_dev(clip_poly_dev, &clipped_poly_dev); - updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon()), Qt::ReplaceClip); - } else { - updateClipRegion_dev(QRegion(), Qt::NoClip); - } - } - - if (flags & DirtyClipPath) { - QPolygonF clip_poly_dev(d->matrix.map(state.clipPath().toFillPolygon())); - QPolygonF clipped_poly_dev; - d->clipPolygon_dev(clip_poly_dev, &clipped_poly_dev); - updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon(), state.clipPath().fillRule()), - state.clipOperation()); - } else if (flags & DirtyClipRegion) { - extern QPainterPath qt_regionToPath(const QRegion ®ion); - QPainterPath clip_path = qt_regionToPath(state.clipRegion()); - QPolygonF clip_poly_dev(d->matrix.map(clip_path.toFillPolygon())); - QPolygonF clipped_poly_dev; - d->clipPolygon_dev(clip_poly_dev, &clipped_poly_dev); - updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon()), state.clipOperation()); - } - if (flags & DirtyHints) updateRenderHints(state.renderHints()); - if (flags & DirtyCompositionMode) { - int function = GXcopy; - if (state.compositionMode() >= QPainter::RasterOp_SourceOrDestination) { - switch (state.compositionMode()) { - case QPainter::RasterOp_SourceOrDestination: - function = GXor; - break; - case QPainter::RasterOp_SourceAndDestination: - function = GXand; - break; - case QPainter::RasterOp_SourceXorDestination: - function = GXxor; - break; - case QPainter::RasterOp_NotSourceAndNotDestination: - function = GXnor; - break; - case QPainter::RasterOp_NotSourceOrNotDestination: - function = GXnand; - break; - case QPainter::RasterOp_NotSourceXorDestination: - function = GXequiv; - break; - case QPainter::RasterOp_NotSource: - function = GXcopyInverted; - break; - case QPainter::RasterOp_SourceAndNotDestination: - function = GXandReverse; - break; - case QPainter::RasterOp_NotSourceAndDestination: - function = GXandInverted; - break; - default: - function = GXcopy; - } - } -#if !defined(QT_NO_XRENDER) - else { - d->composition_mode = - qpainterOpToXrender(state.compositionMode()); - } -#endif - XSetFunction(X11->display, d->gc, function); - XSetFunction(X11->display, d->gc_brush, function); - } - d->decidePathFallback(); - d->decideCoordAdjust(); -} - -void QX11PaintEngine::updateRenderHints(QPainter::RenderHints hints) -{ - Q_D(QX11PaintEngine); - d->render_hints = hints; - -#if !defined(QT_NO_XRENDER) - if (X11->use_xrender && d->picture) { - XRenderPictureAttributes attrs; - attrs.poly_edge = (hints & QPainter::Antialiasing) ? PolyEdgeSmooth : PolyEdgeSharp; - XRenderChangePicture(d->dpy, d->picture, CPPolyEdge, &attrs); - } -#endif -} - -void QX11PaintEngine::updatePen(const QPen &pen) -{ - Q_D(QX11PaintEngine); - d->cpen = pen; - int cp = CapButt; - int jn = JoinMiter; - int ps = pen.style(); - - if (d->opacity < 1.0) { - QColor c = d->cpen.color(); - c.setAlpha(qRound(c.alpha()*d->opacity)); - d->cpen.setColor(c); - } - - d->has_pen = (ps != Qt::NoPen); - d->has_alpha_pen = (pen.color().alpha() != 255); - - switch (pen.capStyle()) { - case Qt::SquareCap: - cp = CapProjecting; - break; - case Qt::RoundCap: - cp = CapRound; - break; - case Qt::FlatCap: - default: - cp = CapButt; - break; - } - switch (pen.joinStyle()) { - case Qt::BevelJoin: - jn = JoinBevel; - break; - case Qt::RoundJoin: - jn = JoinRound; - break; - case Qt::MiterJoin: - default: - jn = JoinMiter; - break; - } - - d->adapted_pen_origin = false; - - char dashes[10]; // custom pen dashes - int dash_len = 0; // length of dash list - int xStyle = LineSolid; - - /* - We are emulating Windows here. Windows treats cpen.width() == 1 - (or 0) as a very special case. The fudge variable unifies this - case with the general case. - */ - qreal pen_width = pen.widthF(); - int scale = qRound(pen_width < 1 ? 1 : pen_width); - int space = (pen_width < 1 && pen_width > 0 ? 1 : (2 * scale)); - int dot = 1 * scale; - int dash = 4 * scale; - - d->has_custom_pen = false; - - switch (ps) { - case Qt::NoPen: - case Qt::SolidLine: - xStyle = LineSolid; - break; - case Qt::DashLine: - dashes[0] = dash; - dashes[1] = space; - dash_len = 2; - xStyle = LineOnOffDash; - break; - case Qt::DotLine: - dashes[0] = dot; - dashes[1] = space; - dash_len = 2; - xStyle = LineOnOffDash; - break; - case Qt::DashDotLine: - dashes[0] = dash; - dashes[1] = space; - dashes[2] = dot; - dashes[3] = space; - dash_len = 4; - xStyle = LineOnOffDash; - break; - case Qt::DashDotDotLine: - dashes[0] = dash; - dashes[1] = space; - dashes[2] = dot; - dashes[3] = space; - dashes[4] = dot; - dashes[5] = space; - dash_len = 6; - xStyle = LineOnOffDash; - break; - case Qt::CustomDashLine: - d->has_custom_pen = true; - break; - } - - ulong mask = GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth - | GCCapStyle | GCJoinStyle | GCLineStyle; - XGCValues vals; - vals.graphics_exposures = false; - if (d->pdev_depth == 1) { - vals.foreground = qGray(pen.color().rgb()) > 127 ? 0 : 1; - vals.background = qGray(QColor(Qt::transparent).rgb()) > 127 ? 0 : 1; - } else if (d->pdev->devType() == QInternal::Pixmap && d->pdev_depth == 32 - && X11->use_xrender) { - vals.foreground = pen.color().rgba(); - vals.background = QColor(Qt::transparent).rgba(); - } else { - QColormap cmap = QColormap::instance(d->scrn); - vals.foreground = cmap.pixel(pen.color()); - vals.background = cmap.pixel(QColor(Qt::transparent)); - } - - - vals.line_width = qRound(pen.widthF()); - vals.cap_style = cp; - vals.join_style = jn; - vals.line_style = xStyle; - - XChangeGC(d->dpy, d->gc, mask, &vals); - - if (dash_len) { // make dash list - XSetDashes(d->dpy, d->gc, 0, dashes, dash_len); - } - - if (!d->has_clipping) { // if clipping is set the paintevent clip region is merged with the clip region - QRegion sysClip = systemClip(); - if (!sysClip.isEmpty()) - x11SetClipRegion(d->dpy, d->gc, 0, d->picture, sysClip); - else - x11ClearClipRegion(d->dpy, d->gc, 0, d->picture); - } -} - -void QX11PaintEngine::updateBrush(const QBrush &brush, const QPointF &origin) -{ - Q_D(QX11PaintEngine); - d->cbrush = brush; - d->bg_origin = origin; - d->adapted_brush_origin = false; -#if !defined(QT_NO_XRENDER) - d->current_brush = 0; -#endif - if (d->opacity < 1.0) { - QColor c = d->cbrush.color(); - c.setAlpha(qRound(c.alpha()*d->opacity)); - d->cbrush.setColor(c); - } - - int s = FillSolid; - int bs = d->cbrush.style(); - d->has_brush = (bs != Qt::NoBrush); - d->has_pattern = bs >= Qt::Dense1Pattern && bs <= Qt::DiagCrossPattern; - d->has_texture = bs == Qt::TexturePattern; - d->has_alpha_brush = brush.color().alpha() != 255; - d->has_alpha_texture = d->has_texture && d->cbrush.texture().hasAlphaChannel(); - - ulong mask = GCForeground | GCBackground | GCGraphicsExposures - | GCLineStyle | GCCapStyle | GCJoinStyle | GCFillStyle; - XGCValues vals; - vals.graphics_exposures = false; - if (d->pdev_depth == 1) { - vals.foreground = qGray(d->cbrush.color().rgb()) > 127 ? 0 : 1; - vals.background = qGray(QColor(Qt::transparent).rgb()) > 127 ? 0 : 1; - } else if (X11->use_xrender && d->pdev->devType() == QInternal::Pixmap - && d->pdev_depth == 32) { - vals.foreground = d->cbrush.color().rgba(); - vals.background = QColor(Qt::transparent).rgba(); - } else { - QColormap cmap = QColormap::instance(d->scrn); - vals.foreground = cmap.pixel(d->cbrush.color()); - vals.background = cmap.pixel(QColor(Qt::transparent)); - - if (!X11->use_xrender && d->has_brush && !d->has_pattern && !brush.isOpaque()) { - QPixmap pattern = qt_patternForAlpha(brush.color().alpha(), d->scrn); - mask |= GCStipple; - vals.stipple = pattern.handle(); - s = FillStippled; - d->adapted_brush_origin = true; - } - } - vals.cap_style = CapButt; - vals.join_style = JoinMiter; - vals.line_style = LineSolid; - - if (d->has_pattern || d->has_texture) { - if (bs == Qt::TexturePattern) { - d->brush_pm = qt_toX11Pixmap(d->cbrush.texture()); -#if !defined(QT_NO_XRENDER) - if (X11->use_xrender) { - XRenderPictureAttributes attrs; - attrs.repeat = true; - XRenderChangePicture(d->dpy, d->brush_pm.x11PictureHandle(), CPRepeat, &attrs); - QX11PlatformPixmap *data = static_cast<QX11PlatformPixmap*>(d->brush_pm.data.data()); - if (data->mask_picture) - XRenderChangePicture(d->dpy, data->mask_picture, CPRepeat, &attrs); - } -#endif - } else { - d->brush_pm = qt_toX11Pixmap(qt_pixmapForBrush(bs, true)); - } - d->brush_pm.x11SetScreen(d->scrn); - if (d->brush_pm.depth() == 1) { - mask |= GCStipple; - vals.stipple = d->brush_pm.handle(); - s = FillStippled; -#if !defined(QT_NO_XRENDER) - if (X11->use_xrender) { - d->bitmap_texture = QPixmap(d->brush_pm.size()); - d->bitmap_texture.fill(Qt::transparent); - d->bitmap_texture = qt_toX11Pixmap(d->bitmap_texture); - d->bitmap_texture.x11SetScreen(d->scrn); - - ::Picture src = X11->getSolidFill(d->scrn, d->cbrush.color()); - XRenderComposite(d->dpy, PictOpSrc, src, d->brush_pm.x11PictureHandle(), - d->bitmap_texture.x11PictureHandle(), - 0, 0, d->brush_pm.width(), d->brush_pm.height(), - 0, 0, d->brush_pm.width(), d->brush_pm.height()); - - XRenderPictureAttributes attrs; - attrs.repeat = true; - XRenderChangePicture(d->dpy, d->bitmap_texture.x11PictureHandle(), CPRepeat, &attrs); - - d->current_brush = d->bitmap_texture.x11PictureHandle(); - } -#endif - } else { - mask |= GCTile; -#ifndef QT_NO_XRENDER - if (d->pdev_depth == 32 && d->brush_pm.depth() != 32) { - d->brush_pm.detach(); - QX11PlatformPixmap *brushData = static_cast<QX11PlatformPixmap*>(d->brush_pm.data.data()); - brushData->convertToARGB32(); - } -#endif - vals.tile = (d->brush_pm.depth() == d->pdev_depth - ? d->brush_pm.handle() - : static_cast<QX11PlatformPixmap*>(d->brush_pm.data.data())->x11ConvertToDefaultDepth()); - s = FillTiled; -#if !defined(QT_NO_XRENDER) - d->current_brush = d->cbrush.texture().x11PictureHandle(); -#endif - } - - mask |= GCTileStipXOrigin | GCTileStipYOrigin; - vals.ts_x_origin = qRound(origin.x()); - vals.ts_y_origin = qRound(origin.y()); - } -#if !defined(QT_NO_XRENDER) - else if (d->has_alpha_brush) { - d->current_brush = X11->getSolidFill(d->scrn, d->cbrush.color()); - } -#endif - - vals.fill_style = s; - XChangeGC(d->dpy, d->gc_brush, mask, &vals); - if (!d->has_clipping) { - QRegion sysClip = systemClip(); - if (!sysClip.isEmpty()) - x11SetClipRegion(d->dpy, d->gc_brush, 0, d->picture, sysClip); - else - x11ClearClipRegion(d->dpy, d->gc_brush, 0, d->picture); - } -} - -void QX11PaintEngine::drawEllipse(const QRectF &rect) -{ - QRect aligned = rect.toAlignedRect(); - if (aligned == rect) - drawEllipse(aligned); - else - QPaintEngine::drawEllipse(rect); -} - -void QX11PaintEngine::drawEllipse(const QRect &rect) -{ - if (rect.isEmpty()) { - drawRects(&rect, 1); - return; - } - - Q_D(QX11PaintEngine); - QRect devclip(SHRT_MIN, SHRT_MIN, SHRT_MAX*2 - 1, SHRT_MAX*2 - 1); - QRect r(rect); - if (d->txop < QTransform::TxRotate) { - r = d->matrix.mapRect(rect); - } else if (d->txop == QTransform::TxRotate && rect.width() == rect.height()) { - QPainterPath path; - path.addEllipse(rect); - r = d->matrix.map(path).boundingRect().toRect(); - } - - if (d->has_alpha_brush || d->has_alpha_pen || d->has_custom_pen || (d->render_hints & QPainter::Antialiasing) - || d->has_alpha_texture || devclip.intersected(r) != r - || (d->has_complex_xform - && !(d->has_non_scaling_xform && rect.width() == rect.height()))) - { - QPainterPath path; - path.addEllipse(rect); - drawPath(path); - return; - } - - int x = r.x(); - int y = r.y(); - int w = r.width(); - int h = r.height(); - if (w < 1 || h < 1) - return; - if (w == 1 && h == 1) { - XDrawPoint(d->dpy, d->hd, d->has_pen ? d->gc : d->gc_brush, x, y); - return; - } - d->setupAdaptedOrigin(rect.topLeft()); - if (d->has_brush) { // draw filled ellipse - XFillArc(d->dpy, d->hd, d->gc_brush, x, y, w, h, 0, 360*64); - if (!d->has_pen) // make smoother outline - XDrawArc(d->dpy, d->hd, d->gc_brush, x, y, w-1, h-1, 0, 360*64); - } - if (d->has_pen) // draw outline - XDrawArc(d->dpy, d->hd, d->gc, x, y, w, h, 0, 360*64); - d->resetAdaptedOrigin(); -} - - - -void QX11PaintEnginePrivate::fillPolygon_translated(const QPointF *polygonPoints, int pointCount, - QX11PaintEnginePrivate::GCMode gcMode, - QPaintEngine::PolygonDrawMode mode) -{ - - QVarLengthArray<QPointF> translated_points(pointCount); - QPointF offset(matrix.dx(), matrix.dy()); - - qreal offs = adjust_coords ? aliasedCoordinateDelta : 0.0; - if (!X11->use_xrender || !(render_hints & QPainter::Antialiasing)) - offset += QPointF(aliasedCoordinateDelta, aliasedCoordinateDelta); - - for (int i = 0; i < pointCount; ++i) { - translated_points[i] = polygonPoints[i] + offset; - - translated_points[i].rx() = qRound(translated_points[i].x()) + offs; - translated_points[i].ry() = qRound(translated_points[i].y()) + offs; - } - - fillPolygon_dev(translated_points.data(), pointCount, gcMode, mode); -} - -#ifndef QT_NO_XRENDER -static void qt_XRenderCompositeTrapezoids(Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - const XTrapezoid *traps, int size) -{ - const int MAX_TRAPS = 50000; - while (size) { - int to_draw = size; - if (to_draw > MAX_TRAPS) - to_draw = MAX_TRAPS; - XRenderCompositeTrapezoids(dpy, op, src, dst, - maskFormat, - xSrc, ySrc, - traps, to_draw); - size -= to_draw; - traps += to_draw; - } -} -#endif - -void QX11PaintEnginePrivate::fillPolygon_dev(const QPointF *polygonPoints, int pointCount, - QX11PaintEnginePrivate::GCMode gcMode, - QPaintEngine::PolygonDrawMode mode) -{ - Q_Q(QX11PaintEngine); - - int clippedCount = 0; - qt_float_point *clippedPoints = 0; - -#ifndef QT_NO_XRENDER - //can change if we switch to pen if gcMode != BrushGC - bool has_fill_texture = has_texture; - bool has_fill_pattern = has_pattern; - ::Picture src; -#endif - QBrush fill; - GC fill_gc; - if (gcMode == BrushGC) { - fill = cbrush; - fill_gc = gc_brush; -#ifndef QT_NO_XRENDER - if (current_brush) - src = current_brush; - else - src = X11->getSolidFill(scrn, fill.color()); -#endif - } else { - fill = QBrush(cpen.brush()); - fill_gc = gc; -#ifndef QT_NO_XRENDER - //we use the pens brush - has_fill_texture = (fill.style() == Qt::TexturePattern); - has_fill_pattern = (fill.style() >= Qt::Dense1Pattern && fill.style() <= Qt::DiagCrossPattern); - if (has_fill_texture) - src = fill.texture().x11PictureHandle(); - else if (has_fill_pattern) - src = getPatternFill(scrn, fill); - else - src = X11->getSolidFill(scrn, fill.color()); -#endif - } - - polygonClipper.clipPolygon((qt_float_point *) polygonPoints, pointCount, - &clippedPoints, &clippedCount); - -#ifndef QT_NO_XRENDER - bool solid_fill = fill.color().alpha() == 255; - if (has_fill_texture && fill.texture().depth() == 1 && solid_fill) { - has_fill_texture = false; - has_fill_pattern = true; - } - - bool antialias = render_hints & QPainter::Antialiasing; - - if (X11->use_xrender - && picture - && !has_fill_pattern - && (clippedCount > 0) - && (fill.style() != Qt::NoBrush) - && ((has_fill_texture && fill.texture().hasAlpha()) || antialias || !solid_fill || has_alpha_pen != has_alpha_brush)) - { - if (tessellator->size > 0) { - XRenderPictureAttributes attrs; - attrs.poly_edge = antialias ? PolyEdgeSmooth : PolyEdgeSharp; - XRenderChangePicture(dpy, picture, CPPolyEdge, &attrs); - int x_offset = int(XFixedToDouble(tessellator->traps[0].left.p1.x) - bg_origin.x()); - int y_offset = int(XFixedToDouble(tessellator->traps[0].left.p1.y) - bg_origin.y()); - qt_XRenderCompositeTrapezoids(dpy, composition_mode, src, picture, - antialias - ? XRenderFindStandardFormat(dpy, PictStandardA8) - : XRenderFindStandardFormat(dpy, PictStandardA1), - x_offset, y_offset, - tessellator->traps, tessellator->size); - tessellator->done(); - } - } else -#endif - if (fill.style() != Qt::NoBrush) { - if (clippedCount > 200000) { - QPolygon poly; - for (int i = 0; i < clippedCount; ++i) - poly << QPoint(qFloor(clippedPoints[i].x), qFloor(clippedPoints[i].y)); - - const QRect bounds = poly.boundingRect(); - const QRect aligned = bounds - & QRect(QPoint(), QSize(pdev->width(), pdev->height())); - - QImage img(aligned.size(), QImage::Format_ARGB32_Premultiplied); - img.fill(0); - - QPainter painter(&img); - painter.translate(-aligned.x(), -aligned.y()); - painter.setPen(Qt::NoPen); - painter.setBrush(fill); - if (gcMode == BrushGC) - painter.setBrushOrigin(q->painter()->brushOrigin()); - painter.drawPolygon(poly); - painter.end(); - - q->drawImage(aligned, img, img.rect(), Qt::AutoColor); - } else if (clippedCount > 0) { - QVarLengthArray<XPoint> xpoints(clippedCount); - for (int i = 0; i < clippedCount; ++i) { - xpoints[i].x = qFloor(clippedPoints[i].x); - xpoints[i].y = qFloor(clippedPoints[i].y); - } - if (mode == QPaintEngine::WindingMode) - XSetFillRule(dpy, fill_gc, WindingRule); - setupAdaptedOrigin(QPoint(xpoints[0].x, xpoints[0].y)); - XFillPolygon(dpy, hd, fill_gc, - xpoints.data(), clippedCount, - mode == QPaintEngine::ConvexMode ? Convex : Complex, CoordModeOrigin); - resetAdaptedOrigin(); - if (mode == QPaintEngine::WindingMode) - XSetFillRule(dpy, fill_gc, EvenOddRule); - } - } -} - -void QX11PaintEnginePrivate::strokePolygon_translated(const QPointF *polygonPoints, int pointCount, bool close) -{ - QVarLengthArray<QPointF> translated_points(pointCount); - QPointF offset(matrix.dx(), matrix.dy()); - for (int i = 0; i < pointCount; ++i) - translated_points[i] = polygonPoints[i] + offset; - strokePolygon_dev(translated_points.data(), pointCount, close); -} - -void QX11PaintEnginePrivate::strokePolygon_dev(const QPointF *polygonPoints, int pointCount, bool close) -{ - int clippedCount = 0; - qt_float_point *clippedPoints = 0; - polygonClipper.clipPolygon((qt_float_point *) polygonPoints, pointCount, - &clippedPoints, &clippedCount, close); - - if (clippedCount > 0) { - QVarLengthArray<XPoint> xpoints(clippedCount); - for (int i = 0; i < clippedCount; ++i) { - xpoints[i].x = qRound(clippedPoints[i].x + aliasedCoordinateDelta); - xpoints[i].y = qRound(clippedPoints[i].y + aliasedCoordinateDelta); - } - uint numberPoints = qMin(clippedCount, xlibMaxLinePoints); - XPoint *pts = xpoints.data(); - XDrawLines(dpy, hd, gc, pts, numberPoints, CoordModeOrigin); - pts += numberPoints; - clippedCount -= numberPoints; - numberPoints = qMin(clippedCount, xlibMaxLinePoints-1); - while (clippedCount) { - XDrawLines(dpy, hd, gc, pts-1, numberPoints+1, CoordModeOrigin); - pts += numberPoints; - clippedCount -= numberPoints; - numberPoints = qMin(clippedCount, xlibMaxLinePoints-1); - } - } -} - -void QX11PaintEngine::drawPolygon(const QPointF *polygonPoints, int pointCount, PolygonDrawMode mode) -{ - Q_D(QX11PaintEngine); - if (d->use_path_fallback) { - QPainterPath path(polygonPoints[0]); - for (int i = 1; i < pointCount; ++i) - path.lineTo(polygonPoints[i]); - if (mode == PolylineMode) { - QBrush oldBrush = d->cbrush; - d->cbrush = QBrush(Qt::NoBrush); - path.setFillRule(Qt::WindingFill); - drawPath(path); - d->cbrush = oldBrush; - } else { - path.setFillRule(mode == OddEvenMode ? Qt::OddEvenFill : Qt::WindingFill); - path.closeSubpath(); - drawPath(path); - } - return; - } - if (mode != PolylineMode && d->has_brush) - d->fillPolygon_translated(polygonPoints, pointCount, QX11PaintEnginePrivate::BrushGC, mode); - - if (d->has_pen) - d->strokePolygon_translated(polygonPoints, pointCount, mode != PolylineMode); -} - - -void QX11PaintEnginePrivate::fillPath(const QPainterPath &path, QX11PaintEnginePrivate::GCMode gc_mode, bool transform) -{ - qreal offs = adjust_coords ? aliasedCoordinateDelta : 0.0; - - QPainterPath clippedPath; - QPainterPath clipPath; - clipPath.addRect(polygonClipper.boundingRect()); - - if (transform) - clippedPath = (path*matrix).intersected(clipPath); - else - clippedPath = path.intersected(clipPath); - - QList<QPolygonF> polys = clippedPath.toFillPolygons(); - for (int i = 0; i < polys.size(); ++i) { - QVarLengthArray<QPointF> translated_points(polys.at(i).size()); - - for (int j = 0; j < polys.at(i).size(); ++j) { - translated_points[j] = polys.at(i).at(j); - if (!X11->use_xrender || !(render_hints & QPainter::Antialiasing)) { - translated_points[j].rx() = qRound(translated_points[j].rx() + aliasedCoordinateDelta) + offs; - translated_points[j].ry() = qRound(translated_points[j].ry() + aliasedCoordinateDelta) + offs; - } - } - - fillPolygon_dev(translated_points.data(), polys.at(i).size(), gc_mode, - path.fillRule() == Qt::OddEvenFill ? QPaintEngine::OddEvenMode : QPaintEngine::WindingMode); - } -} - -void QX11PaintEngine::drawPath(const QPainterPath &path) -{ - Q_D(QX11PaintEngine); - if (path.isEmpty()) - return; - - if (d->has_brush) - d->fillPath(path, QX11PaintEnginePrivate::BrushGC, true); - if (d->has_pen - && ((X11->use_xrender && (d->has_alpha_pen || (d->render_hints & QPainter::Antialiasing))) - || (!d->cpen.isCosmetic() && d->txop > QTransform::TxTranslate - && !d->has_non_scaling_xform) - || (d->cpen.style() == Qt::CustomDashLine))) { - QPainterPathStroker stroker; - if (d->cpen.style() == Qt::CustomDashLine) { - stroker.setDashPattern(d->cpen.dashPattern()); - stroker.setDashOffset(d->cpen.dashOffset()); - } else { - stroker.setDashPattern(d->cpen.style()); - } - stroker.setCapStyle(d->cpen.capStyle()); - stroker.setJoinStyle(d->cpen.joinStyle()); - QPainterPath stroke; - qreal width = d->cpen.widthF(); - QPolygonF poly; - QRectF deviceRect(0, 0, d->pdev->width(), d->pdev->height()); - // necessary to get aliased alphablended primitives to be drawn correctly - if (d->cpen.isCosmetic() || d->has_scaling_xform) { - if (d->cpen.isCosmetic()) - stroker.setWidth(width == 0 ? 1 : width); - else - stroker.setWidth(width * d->xform_scale); - stroker.d_ptr->stroker.setClipRect(deviceRect); - stroke = stroker.createStroke(path * d->matrix); - if (stroke.isEmpty()) - return; - stroke.setFillRule(Qt::WindingFill); - d->fillPath(stroke, QX11PaintEnginePrivate::PenGC, false); - } else { - stroker.setWidth(width); - stroker.d_ptr->stroker.setClipRect(d->matrix.inverted().mapRect(deviceRect)); - stroke = stroker.createStroke(path); - if (stroke.isEmpty()) - return; - stroke.setFillRule(Qt::WindingFill); - d->fillPath(stroke, QX11PaintEnginePrivate::PenGC, true); - } - } else if (d->has_pen) { - // if we have a cosmetic pen - use XDrawLine() for speed - QList<QPolygonF> polys = path.toSubpathPolygons(d->matrix); - for (int i = 0; i < polys.size(); ++i) - d->strokePolygon_dev(polys.at(i).data(), polys.at(i).size(), false); - } -} - -Q_WIDGETS_EXPORT void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, - Drawable hd, GC gc, Display *dpy, Visual *visual, int depth) -{ - Q_ASSERT(image.format() == QImage::Format_RGB32); - Q_ASSERT(image.depth() == 32); - - XImage *xi; - // Note: this code assumes either RGB or BGR, 8 bpc server layouts - const uint red_mask = (uint) visual->red_mask; - bool bgr_layout = (red_mask == 0xff); - - const int w = rect.width(); - const int h = rect.height(); - - QImage im; - int image_byte_order = ImageByteOrder(X11->display); - if ((QSysInfo::ByteOrder == QSysInfo::BigEndian && ((image_byte_order == LSBFirst) || bgr_layout)) - || (image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::LittleEndian) - || (image_byte_order == LSBFirst && bgr_layout)) - { - im = image.copy(rect); - const int iw = im.bytesPerLine() / 4; - uint *data = (uint *)im.bits(); - for (int i=0; i < h; i++) { - uint *p = data; - uint *end = p + w; - if (bgr_layout && image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::LittleEndian) { - while (p < end) { - *p = ((*p << 8) & 0xffffff00) | ((*p >> 24) & 0x000000ff); - p++; - } - } else if ((image_byte_order == LSBFirst && QSysInfo::ByteOrder == QSysInfo::BigEndian) - || (image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::LittleEndian)) { - while (p < end) { - *p = ((*p << 24) & 0xff000000) | ((*p << 8) & 0x00ff0000) - | ((*p >> 8) & 0x0000ff00) | ((*p >> 24) & 0x000000ff); - p++; - } - } else if ((image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::BigEndian) - || (image_byte_order == LSBFirst && bgr_layout)) - { - while (p < end) { - *p = ((*p << 16) & 0x00ff0000) | ((*p >> 16) & 0x000000ff) - | ((*p ) & 0xff00ff00); - p++; - } - } - data += iw; - } - xi = XCreateImage(dpy, visual, depth, ZPixmap, - 0, (char *) im.bits(), w, h, 32, im.bytesPerLine()); - } else { - xi = XCreateImage(dpy, visual, depth, ZPixmap, - 0, (char *) image.scanLine(rect.y())+rect.x()*sizeof(uint), w, h, 32, image.bytesPerLine()); - } - XPutImage(dpy, hd, gc, xi, 0, 0, pos.x(), pos.y(), w, h); - xi->data = 0; // QImage owns these bits - XDestroyImage(xi); -} - -void QX11PaintEngine::drawImage(const QRectF &r, const QImage &image, const QRectF &sr, Qt::ImageConversionFlags flags) -{ - Q_D(QX11PaintEngine); - - if (image.format() == QImage::Format_RGB32 - && d->pdev_depth >= 24 && image.depth() == 32 - && r.size() == sr.size()) - { - int sx = qRound(sr.x()); - int sy = qRound(sr.y()); - int x = qRound(r.x()); - int y = qRound(r.y()); - int w = qRound(r.width()); - int h = qRound(r.height()); - - qt_x11_drawImage(QRect(sx, sy, w, h), QPoint(x, y), image, d->hd, d->gc, d->dpy, - (Visual *)d->xinfo->visual(), d->pdev_depth); - } else { - QPaintEngine::drawImage(r, image, sr, flags); - } -} - -void QX11PaintEngine::drawPixmap(const QRectF &r, const QPixmap &px, const QRectF &_sr) -{ - Q_D(QX11PaintEngine); - QRectF sr = _sr; - int x = qRound(r.x()); - int y = qRound(r.y()); - int sx = qRound(sr.x()); - int sy = qRound(sr.y()); - int sw = qRound(sr.width()); - int sh = qRound(sr.height()); - - QPixmap pixmap = qt_toX11Pixmap(px); - if(pixmap.isNull()) - return; - - if ((d->xinfo && d->xinfo->screen() != pixmap.x11Info().screen()) - || (pixmap.x11Info().screen() != DefaultScreen(X11->display))) { - QPixmap* p = const_cast<QPixmap *>(&pixmap); - p->x11SetScreen(d->xinfo ? d->xinfo->screen() : DefaultScreen(X11->display)); - } - - QPixmap::x11SetDefaultScreen(pixmap.x11Info().screen()); - -#ifndef QT_NO_XRENDER - ::Picture src_pict = static_cast<QX11PlatformPixmap*>(pixmap.data.data())->picture; - if (src_pict && d->picture) { - const int pDepth = pixmap.depth(); - if (pDepth == 1 && (d->has_alpha_pen)) { - qt_render_bitmap(d->dpy, d->scrn, src_pict, d->picture, - sx, sy, x, y, sw, sh, d->cpen); - return; - } else if (pDepth != 1 && (pDepth == 32 || pDepth != d->pdev_depth)) { - XRenderComposite(d->dpy, d->composition_mode, - src_pict, 0, d->picture, sx, sy, 0, 0, x, y, sw, sh); - return; - } - } -#endif - - bool mono_src = pixmap.depth() == 1; - bool mono_dst = d->pdev_depth == 1; - bool restore_clip = false; - - if (static_cast<QX11PlatformPixmap*>(pixmap.data.data())->x11_mask) { // pixmap has a mask - QBitmap comb(sw, sh); - GC cgc = XCreateGC(d->dpy, comb.handle(), 0, 0); - XSetForeground(d->dpy, cgc, 0); - XFillRectangle(d->dpy, comb.handle(), cgc, 0, 0, sw, sh); - XSetBackground(d->dpy, cgc, 0); - XSetForeground(d->dpy, cgc, 1); - if (!d->crgn.isEmpty()) { - int num; - XRectangle *rects = (XRectangle *)qt_getClipRects(d->crgn, num); - XSetClipRectangles(d->dpy, cgc, -x, -y, rects, num, Unsorted); - } else if (d->has_clipping) { - XSetClipRectangles(d->dpy, cgc, 0, 0, 0, 0, Unsorted); - } - XSetFillStyle(d->dpy, cgc, FillOpaqueStippled); - XSetTSOrigin(d->dpy, cgc, -sx, -sy); - XSetStipple(d->dpy, cgc, - static_cast<QX11PlatformPixmap*>(pixmap.data.data())->x11_mask); - XFillRectangle(d->dpy, comb.handle(), cgc, 0, 0, sw, sh); - XFreeGC(d->dpy, cgc); - - XSetClipOrigin(d->dpy, d->gc, x, y); - XSetClipMask(d->dpy, d->gc, comb.handle()); - restore_clip = true; - } - - if (mono_src) { - if (!d->crgn.isEmpty()) { - Pixmap comb = XCreatePixmap(d->dpy, d->hd, sw, sh, 1); - GC cgc = XCreateGC(d->dpy, comb, 0, 0); - XSetForeground(d->dpy, cgc, 0); - XFillRectangle(d->dpy, comb, cgc, 0, 0, sw, sh); - int num; - XRectangle *rects = (XRectangle *)qt_getClipRects(d->crgn, num); - XSetClipRectangles(d->dpy, cgc, -x, -y, rects, num, Unsorted); - XCopyArea(d->dpy, pixmap.handle(), comb, cgc, sx, sy, sw, sh, 0, 0); - XFreeGC(d->dpy, cgc); - - XSetClipMask(d->dpy, d->gc, comb); - XSetClipOrigin(d->dpy, d->gc, x, y); - XFreePixmap(d->dpy, comb); - } else { - XSetClipMask(d->dpy, d->gc, pixmap.handle()); - XSetClipOrigin(d->dpy, d->gc, x - sx, y - sy); - } - - if (mono_dst) { - XSetForeground(d->dpy, d->gc, qGray(d->cpen.color().rgb()) > 127 ? 0 : 1); - } else { - QColormap cmap = QColormap::instance(d->scrn); - XSetForeground(d->dpy, d->gc, cmap.pixel(d->cpen.color())); - } - XFillRectangle(d->dpy, d->hd, d->gc, x, y, sw, sh); - restore_clip = true; - } else if (mono_dst && !mono_src) { - QBitmap bitmap(pixmap); - XCopyArea(d->dpy, bitmap.handle(), d->hd, d->gc, sx, sy, sw, sh, x, y); - } else { - XCopyArea(d->dpy, pixmap.handle(), d->hd, d->gc, sx, sy, sw, sh, x, y); - } - - if (d->pdev->devType() == QInternal::Pixmap) { - const QPixmap *px = static_cast<const QPixmap*>(d->pdev); - Pixmap src_mask = static_cast<QX11PlatformPixmap*>(pixmap.data.data())->x11_mask; - Pixmap dst_mask = static_cast<QX11PlatformPixmap*>(px->data.data())->x11_mask; - if (dst_mask) { - GC cgc = XCreateGC(d->dpy, dst_mask, 0, 0); - if (src_mask) { // copy src mask into dst mask - XCopyArea(d->dpy, src_mask, dst_mask, cgc, sx, sy, sw, sh, x, y); - } else { // no src mask, but make sure the area copied is opaque in dest - XSetBackground(d->dpy, cgc, 0); - XSetForeground(d->dpy, cgc, 1); - XFillRectangle(d->dpy, dst_mask, cgc, x, y, sw, sh); - } - XFreeGC(d->dpy, cgc); - } - } - - if (restore_clip) { - XSetClipOrigin(d->dpy, d->gc, 0, 0); - int num; - XRectangle *rects = (XRectangle *)qt_getClipRects(d->crgn, num); - if (num == 0) - XSetClipMask(d->dpy, d->gc, XNone); - else - XSetClipRectangles(d->dpy, d->gc, 0, 0, rects, num, Unsorted); - } -} - -void QX11PaintEngine::updateMatrix(const QTransform &mtx) -{ - Q_D(QX11PaintEngine); - d->txop = mtx.type(); - d->matrix = mtx; - - d->has_complex_xform = (d->txop > QTransform::TxTranslate); - - extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale); - bool scaling = qt_scaleForTransform(d->matrix, &d->xform_scale); - d->has_scaling_xform = scaling && d->xform_scale != 1.0; - d->has_non_scaling_xform = scaling && d->xform_scale == 1.0; -} - -/* - NB! the clip region is expected to be in dev coordinates -*/ -void QX11PaintEngine::updateClipRegion_dev(const QRegion &clipRegion, Qt::ClipOperation op) -{ - Q_D(QX11PaintEngine); - QRegion sysClip = systemClip(); - if (op == Qt::NoClip) { - d->has_clipping = false; - d->crgn = sysClip; - if (!sysClip.isEmpty()) { - x11SetClipRegion(d->dpy, d->gc, d->gc_brush, d->picture, sysClip); - } else { - x11ClearClipRegion(d->dpy, d->gc, d->gc_brush, d->picture); - } - return; - } - - switch (op) { - case Qt::IntersectClip: - if (d->has_clipping) { - d->crgn &= clipRegion; - break; - } - // fall through - case Qt::ReplaceClip: - if (!sysClip.isEmpty()) - d->crgn = clipRegion.intersected(sysClip); - else - d->crgn = clipRegion; - break; - default: - break; - } - d->has_clipping = true; - x11SetClipRegion(d->dpy, d->gc, d->gc_brush, d->picture, d->crgn); -} - -void QX11PaintEngine::updateFont(const QFont &) -{ -} - -Qt::HANDLE QX11PaintEngine::handle() const -{ - Q_D(const QX11PaintEngine); - Q_ASSERT(isActive()); - Q_ASSERT(d->hd); - return d->hd; -} - -extern void qt_draw_tile(QPaintEngine *, qreal, qreal, qreal, qreal, const QPixmap &, - qreal, qreal); - -void QX11PaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &p) -{ - int x = qRound(r.x()); - int y = qRound(r.y()); - int w = qRound(r.width()); - int h = qRound(r.height()); - int sx = qRound(p.x()); - int sy = qRound(p.y()); - - bool mono_src = pixmap.depth() == 1; - Q_D(QX11PaintEngine); - - if ((d->xinfo && d->xinfo->screen() != pixmap.x11Info().screen()) - || (pixmap.x11Info().screen() != DefaultScreen(X11->display))) { - QPixmap* p = const_cast<QPixmap *>(&pixmap); - p->x11SetScreen(d->xinfo ? d->xinfo->screen() : DefaultScreen(X11->display)); - } - - QPixmap::x11SetDefaultScreen(pixmap.x11Info().screen()); - -#ifndef QT_NO_XRENDER - if (X11->use_xrender && d->picture && pixmap.x11PictureHandle()) { -#if 0 - // ### Qt 5: enable this - XRenderPictureAttributes attrs; - attrs.repeat = true; - XRenderChangePicture(d->dpy, pixmap.x11PictureHandle(), CPRepeat, &attrs); - - if (mono_src) { - qt_render_bitmap(d->dpy, d->scrn, pixmap.x11PictureHandle(), d->picture, - sx, sy, x, y, w, h, d->cpen); - } else { - XRenderComposite(d->dpy, d->composition_mode, - pixmap.x11PictureHandle(), XNone, d->picture, - sx, sy, 0, 0, x, y, w, h); - } -#else - const int numTiles = (w / pixmap.width()) * (h / pixmap.height()); - if (numTiles < 100) { - // this is essentially qt_draw_tile(), inlined for - // the XRenderComposite call - int yPos, xPos, drawH, drawW, yOff, xOff; - yPos = y; - yOff = sy; - while(yPos < y + h) { - drawH = pixmap.height() - yOff; // Cropping first row - if (yPos + drawH > y + h) // Cropping last row - drawH = y + h - yPos; - xPos = x; - xOff = sx; - while(xPos < x + w) { - drawW = pixmap.width() - xOff; // Cropping first column - if (xPos + drawW > x + w) // Cropping last column - drawW = x + w - xPos; - if (mono_src) { - qt_render_bitmap(d->dpy, d->scrn, pixmap.x11PictureHandle(), d->picture, - xOff, yOff, xPos, yPos, drawW, drawH, d->cpen); - } else { - XRenderComposite(d->dpy, d->composition_mode, - pixmap.x11PictureHandle(), XNone, d->picture, - xOff, yOff, 0, 0, xPos, yPos, drawW, drawH); - } - xPos += drawW; - xOff = 0; - } - yPos += drawH; - yOff = 0; - } - } else { - w = qMin(w, d->pdev->width() - x); - h = qMin(h, d->pdev->height() - y); - if (w <= 0 || h <= 0) - return; - - const int pw = w + sx; - const int ph = h + sy; - QPixmap pm(pw, ph); - if (pixmap.hasAlpha() || mono_src) - pm.fill(Qt::transparent); - - const int mode = pixmap.hasAlpha() ? PictOpOver : PictOpSrc; - const ::Picture pmPicture = pm.x11PictureHandle(); - - // first tile - XRenderComposite(d->dpy, mode, - pixmap.x11PictureHandle(), XNone, pmPicture, - 0, 0, 0, 0, 0, 0, qMin(pw, pixmap.width()), qMin(ph, pixmap.height())); - - // first row of tiles - int xPos = pixmap.width(); - const int sh = qMin(ph, pixmap.height()); - while (xPos < pw) { - const int sw = qMin(xPos, pw - xPos); - XRenderComposite(d->dpy, mode, - pmPicture, XNone, pmPicture, - 0, 0, 0, 0, xPos, 0, sw, sh); - xPos *= 2; - } - - // remaining rows - int yPos = pixmap.height(); - const int sw = pw; - while (yPos < ph) { - const int sh = qMin(yPos, ph - yPos); - XRenderComposite(d->dpy, mode, - pmPicture, XNone, pmPicture, - 0, 0, 0, 0, 0, yPos, sw, sh); - yPos *= 2; - } - - // composite - if (mono_src) - qt_render_bitmap(d->dpy, d->scrn, pmPicture, d->picture, - sx, sy, x, y, w, h, d->cpen); - else - XRenderComposite(d->dpy, d->composition_mode, - pmPicture, XNone, d->picture, - sx, sy, 0, 0, x, y, w, h); - } -#endif - } else -#endif // !QT_NO_XRENDER - if (pixmap.depth() > 1 && !static_cast<QX11PlatformPixmap*>(pixmap.data.data())->x11_mask) { - XSetTile(d->dpy, d->gc, pixmap.handle()); - XSetFillStyle(d->dpy, d->gc, FillTiled); - XSetTSOrigin(d->dpy, d->gc, x-sx, y-sy); - XFillRectangle(d->dpy, d->hd, d->gc, x, y, w, h); - XSetTSOrigin(d->dpy, d->gc, 0, 0); - XSetFillStyle(d->dpy, d->gc, FillSolid); - } else { - qt_draw_tile(this, x, y, w, h, pixmap, sx, sy); - } -} - -void QX11PaintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem) -{ - const QTextItemInt &ti = static_cast<const QTextItemInt &>(textItem); - - switch(ti.fontEngine->type()) { - case QFontEngine::TestFontEngine: - case QFontEngine::Box: - d_func()->drawBoxTextItem(p, ti); - break; - case QFontEngine::XLFD: - drawXLFD(p, ti); - break; -#ifndef QT_NO_FONTCONFIG - case QFontEngine::Freetype: - drawFreetype(p, ti); - break; -#endif - default: - Q_ASSERT(false); - } -} - -void QX11PaintEngine::drawXLFD(const QPointF &p, const QTextItemInt &ti) -{ - Q_D(QX11PaintEngine); - - if (d->txop > QTransform::TxTranslate) { - // XServer or font don't support server side transformations, need to do it by hand - QPaintEngine::drawTextItem(p, ti); - return; - } - - if (!ti.glyphs.numGlyphs) - return; - - QVarLengthArray<QFixedPoint> positions; - QVarLengthArray<glyph_t> glyphs; - QTransform matrix = d->matrix; - matrix.translate(p.x(), p.y()); - ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions); - if (glyphs.size() == 0) - return; - - QFontEngineXLFD *xlfd = static_cast<QFontEngineXLFD *>(ti.fontEngine); - Qt::HANDLE font_id = xlfd->fontStruct()->fid; - - XSetFont(d->dpy, d->gc, font_id); - - const QFixed offs = QFixed::fromReal(aliasedCoordinateDelta); - for (int i = 0; i < glyphs.size(); i++) { - int xp = qRound(positions[i].x + offs); - int yp = qRound(positions[i].y + offs); - if (xp < SHRT_MAX && xp > SHRT_MIN && yp > SHRT_MIN && yp < SHRT_MAX) { - XChar2b ch; - ch.byte1 = glyphs[i] >> 8; - ch.byte2 = glyphs[i] & 0xff; - XDrawString16(d->dpy, d->hd, d->gc, xp, yp, &ch, 1); - } - } -} - -#ifndef QT_NO_FONTCONFIG -static QPainterPath path_for_glyphs(const QVarLengthArray<glyph_t> &glyphs, - const QVarLengthArray<QFixedPoint> &positions, - const QFontEngineFT *ft) -{ - QPainterPath path; - path.setFillRule(Qt::WindingFill); - ft->lockFace(); - int i = 0; - while (i < glyphs.size()) { - QFontEngineFT::Glyph *glyph = ft->loadGlyph(glyphs[i], QFontEngineFT::Format_Mono); - // #### fix case where we don't get a glyph - if (!glyph) - break; - - Q_ASSERT(glyph->format == QFontEngineFT::Format_Mono); - int n = 0; - int h = glyph->height; - int xp = qRound(positions[i].x); - int yp = qRound(positions[i].y); - - xp += glyph->x; - yp += -glyph->y + glyph->height; - int pitch = ((glyph->width + 31) & ~31) >> 3; - - uchar *src = glyph->data; - while (h--) { - for (int x = 0; x < glyph->width; ++x) { - bool set = src[x >> 3] & (0x80 >> (x & 7)); - if (set) { - QRect r(xp + x, yp - h, 1, 1); - while (x < glyph->width-1 && src[(x+1) >> 3] & (0x80 >> ((x+1) & 7))) { - ++x; - r.setRight(r.right()+1); - } - - path.addRect(r); - ++n; - } - } - src += pitch; - } - ++i; - } - ft->unlockFace(); - return path; -} - -void QX11PaintEngine::drawFreetype(const QPointF &p, const QTextItemInt &ti) -{ - Q_D(QX11PaintEngine); - if (!ti.glyphs.numGlyphs) - return; - - QFontEngineX11FT *ft = static_cast<QFontEngineX11FT *>(ti.fontEngine); - - if (!d->cpen.isSolid()) { - QPaintEngine::drawTextItem(p, ti); - return; - } - - const bool xrenderPath = (X11->use_xrender - && !(d->pdev->devType() == QInternal::Pixmap - && static_cast<const QPixmap *>(d->pdev)->data->pixelType() == QPlatformPixmap::BitmapType)); - - QVarLengthArray<QFixedPoint> positions; - QVarLengthArray<glyph_t> glyphs; - QTransform matrix; - - if (xrenderPath) - matrix = d->matrix; - matrix.translate(p.x(), p.y()); - ft->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions); - if (glyphs.count() == 0) - return; - -#ifndef QT_NO_XRENDER - QFontEngineFT::QGlyphSet *set = ft->defaultGlyphs(); - if (d->txop >= QTransform::TxScale && xrenderPath) - set = ft->loadTransformedGlyphSet(d->matrix); - - if (!set || set->outline_drawing - || !ft->loadGlyphs(set, glyphs.constData(), glyphs.size(), positions.constData(), QFontEngineFT::Format_Render)) - { - QPaintEngine::drawTextItem(p, ti); - return; - } - - if (xrenderPath) { - GlyphSet glyphSet = set->id; - const QColor &pen = d->cpen.color(); - ::Picture src = X11->getSolidFill(d->scrn, pen); - XRenderPictFormat *maskFormat = 0; - if (ft->xglyph_format != PictStandardA1) - maskFormat = XRenderFindStandardFormat(X11->display, ft->xglyph_format); - - enum { t_min = SHRT_MIN, t_max = SHRT_MAX }; - - int i = 0; - for (; i < glyphs.size() - && (positions[i].x < t_min || positions[i].x > t_max - || positions[i].y < t_min || positions[i].y > t_max); - ++i) - ; - - if (i >= glyphs.size()) - return; - ++i; - - QFixed xp = positions[i - 1].x; - QFixed yp = positions[i - 1].y; - QFixed offs = QFixed::fromReal(aliasedCoordinateDelta); - - XGlyphElt32 elt; - elt.glyphset = glyphSet; - elt.chars = &glyphs[i - 1]; - elt.nchars = 1; - elt.xOff = qRound(xp + offs); - elt.yOff = qRound(yp + offs); - for (; i < glyphs.size(); ++i) { - if (positions[i].x < t_min || positions[i].x > t_max - || positions[i].y < t_min || positions[i].y > t_max) { - break; - } - QFontEngineFT::Glyph *g = ft->cachedGlyph(glyphs[i - 1]); - if (g - && positions[i].x == xp + g->advance - && positions[i].y == yp - && elt.nchars < 253 // don't draw more than 253 characters as some X servers - // hang with it - ) { - elt.nchars++; - xp += g->advance; - } else { - xp = positions[i].x; - yp = positions[i].y; - - XRenderCompositeText32(X11->display, PictOpOver, src, d->picture, - maskFormat, 0, 0, 0, 0, - &elt, 1); - elt.chars = &glyphs[i]; - elt.nchars = 1; - elt.xOff = qRound(xp + offs); - elt.yOff = qRound(yp + offs); - } - } - XRenderCompositeText32(X11->display, PictOpOver, src, d->picture, - maskFormat, 0, 0, 0, 0, - &elt, 1); - - return; - - } -#endif - - QPainterPath path = path_for_glyphs(glyphs, positions, ft); - if (path.elementCount() <= 1) - return; - Q_ASSERT((path.elementCount() % 5) == 0); - if (d->txop >= QTransform::TxScale) { - painter()->save(); - painter()->setBrush(d->cpen.brush()); - painter()->setPen(Qt::NoPen); - painter()->drawPath(path); - painter()->restore(); - return; - } - - const int rectcount = 256; - XRectangle rects[rectcount]; - int num_rects = 0; - - QPoint delta(qRound(d->matrix.dx()), qRound(d->matrix.dy())); - QRect clip(d->polygonClipper.boundingRect()); - for (int i=0; i < path.elementCount(); i+=5) { - int x = qRound(path.elementAt(i).x); - int y = qRound(path.elementAt(i).y); - int w = qRound(path.elementAt(i+1).x) - x; - int h = qRound(path.elementAt(i+2).y) - y; - - QRect rect = QRect(x + delta.x(), y + delta.y(), w, h); - rect = rect.intersected(clip); - if (rect.isEmpty()) - continue; - - rects[num_rects].x = short(rect.x()); - rects[num_rects].y = short(rect.y()); - rects[num_rects].width = ushort(rect.width()); - rects[num_rects].height = ushort(rect.height()); - ++num_rects; - if (num_rects == rectcount) { - XFillRectangles(d->dpy, d->hd, d->gc, rects, num_rects); - num_rects = 0; - } - } - if (num_rects > 0) - XFillRectangles(d->dpy, d->hd, d->gc, rects, num_rects); - -} -#endif // !QT_NO_XRENDER - -QT_END_NAMESPACE |