diff options
Diffstat (limited to 'src/plugins/platforms/directfb/qdirectfbblitter.cpp')
| -rw-r--r-- | src/plugins/platforms/directfb/qdirectfbblitter.cpp | 223 |
1 files changed, 197 insertions, 26 deletions
diff --git a/src/plugins/platforms/directfb/qdirectfbblitter.cpp b/src/plugins/platforms/directfb/qdirectfbblitter.cpp index 46f811f816..1ac504ba2c 100644 --- a/src/plugins/platforms/directfb/qdirectfbblitter.cpp +++ b/src/plugins/platforms/directfb/qdirectfbblitter.cpp @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, 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. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** rights. These rights are described in the Digia 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. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -58,22 +50,29 @@ static QBlittable::Capabilities dfb_blitter_capabilities() |QBlittable::SourceOverPixmapCapability |QBlittable::SourceOverScaledPixmapCapability |QBlittable::AlphaFillRectCapability - |QBlittable::OpacityPixmapCapability); + |QBlittable::OpacityPixmapCapability + |QBlittable::DrawScaledCachedGlyphsCapability + ); } QDirectFbBlitter::QDirectFbBlitter(const QSize &rect, IDirectFBSurface *surface) : QBlittable(rect, dfb_blitter_capabilities()) - , m_surface(surface) + , m_surface(surface) + , m_debugPaint(false) { m_surface->AddRef(m_surface.data()); DFBSurfaceCapabilities surfaceCaps; m_surface->GetCapabilities(m_surface.data(), &surfaceCaps); m_premult = (surfaceCaps & DSCAPS_PREMULTIPLIED); + if (qgetenv("QT_DIRECTFB_BLITTER_DEBUGPAINT").toInt()) + m_debugPaint = true; } QDirectFbBlitter::QDirectFbBlitter(const QSize &rect, bool alpha) - : QBlittable(rect, dfb_blitter_capabilities()), m_premult(false) + : QBlittable(rect, dfb_blitter_capabilities()) + , m_premult(false) + , m_debugPaint(false) { DFBSurfaceDescription surfaceDesc; memset(&surfaceDesc,0,sizeof(DFBSurfaceDescription)); @@ -93,6 +92,9 @@ QDirectFbBlitter::QDirectFbBlitter(const QSize &rect, bool alpha) surfaceDesc.pixelformat = QDirectFbBlitter::pixmapFormat(); } + if (qgetenv("QT_DIRECTFB_BLITTER_DEBUGPAINT").toInt()) + m_debugPaint = true; + IDirectFB *dfb = QDirectFbConvenience::dfbInterface(); dfb->CreateSurface(dfb , &surfaceDesc, m_surface.outPtr()); m_surface->Clear(m_surface.data(), 0, 0, 0, 0); @@ -163,6 +165,8 @@ void QDirectFbBlitter::alphaFillRect(const QRectF &rect, const QColor &color, QP result = m_surface->FillRectangle(m_surface.data(), x, y, w, h); if (result != DFB_OK) DirectFBError("QDirectFBBlitter::alphaFillRect()", result); + if (m_debugPaint) + drawDebugRect(QRect(x, y, w, h), QColor(Qt::blue)); } void QDirectFbBlitter::drawPixmapOpacity(const QRectF &rect, const QPixmap &pixmap, const QRectF &subrect, QPainter::CompositionMode cmode, qreal opacity) @@ -201,13 +205,105 @@ void QDirectFbBlitter::drawPixmapOpacity(const QRectF &rect, const QPixmap &pixm if (cmode == QPainter::CompositionMode_SourceOver) m_surface->SetDstBlendFunction(m_surface.data(), DSBF_INVSRCALPHA); - if ((sRect.w == dRect.w) && (sRect.h == dRect.h)) + if ((sRect.w == dRect.w) && (sRect.h == dRect.h)) { result = m_surface->Blit(m_surface.data(), s, &sRect, dRect.x, dRect.y); - else + if (result != DFB_OK) + DirectFBError("QDirectFBBlitter::drawPixmapOpacity()", result); + if (m_debugPaint) + drawDebugRect(QRect(dRect.x, dRect.y, sRect.w, sRect.h), QColor(Qt::green)); + } else { result = m_surface->StretchBlit(m_surface.data(), s, &sRect, &dRect); + if (result != DFB_OK) + DirectFBError("QDirectFBBlitter::drawPixmapOpacity()", result); + if (m_debugPaint) + drawDebugRect(QRect(dRect.x, dRect.y, dRect.w, dRect.h), QColor(Qt::red)); + } +} - if (result != DFB_OK) - DirectFBError("QDirectFBBlitter::drawPixmapExtended()", result); +bool QDirectFbBlitter::drawCachedGlyphs(const QPaintEngineState *state, QFontEngine::GlyphFormat glyphFormat, int numGlyphs, const glyph_t *glyphs, const QFixedPoint *positions, QFontEngine *fontEngine) +{ + void *cacheKey = QDirectFbConvenience::dfbInterface(); + + QDirectFbTextureGlyphCache *cache = + static_cast<QDirectFbTextureGlyphCache *>(fontEngine->glyphCache(cacheKey, glyphFormat, state->transform())); + if (!cache) { + cache = new QDirectFbTextureGlyphCache(glyphFormat, state->transform()); + fontEngine->setGlyphCache(cacheKey, cache); + } + + cache->populate(fontEngine, numGlyphs, glyphs, positions); + cache->fillInPendingGlyphs(); + + if (cache->image().width() == 0 || cache->image().height() == 0) + return false; + + const int margin = fontEngine->glyphMargin(glyphFormat); + + QVarLengthArray<DFBRectangle, 64> sourceRects(numGlyphs); + QVarLengthArray<DFBPoint, 64> destPoints(numGlyphs); + int nGlyphs = 0; + + for (int i=0; i<numGlyphs; ++i) { + + QFixed subPixelPosition = fontEngine->subPixelPositionForX(positions[i].x); + QTextureGlyphCache::GlyphAndSubPixelPosition glyph(glyphs[i], subPixelPosition); + const QTextureGlyphCache::Coord &c = cache->coords[glyph]; + if (c.isNull()) + continue; + + int x = qFloor(positions[i].x) + c.baseLineX - margin; + int y = qRound(positions[i].y) - c.baseLineY - margin; + + // printf("drawing [%d %d %d %d] baseline [%d %d], glyph: %d, to: %d %d, pos: %d %d\n", + // c.x, c.y, + // c.w, c.h, + // c.baseLineX, c.baseLineY, + // glyphs[i], + // x, y, + // positions[i].x.toInt(), positions[i].y.toInt()); + + sourceRects[nGlyphs].x = c.x; + sourceRects[nGlyphs].y = c.y; + sourceRects[nGlyphs].w = c.w; + sourceRects[nGlyphs].h = c.h; + destPoints[nGlyphs].x = x; + destPoints[nGlyphs].y = y; + ++nGlyphs; + } + + const QColor color = state->pen().color(); + m_surface->SetColor(m_surface.data(), color.red(), color.green(), color.blue(), color.alpha()); + + m_surface->SetSrcBlendFunction(m_surface.data(), DSBF_SRCALPHA); + m_surface->SetDstBlendFunction(m_surface.data(), DSBF_INVSRCALPHA); + + int flags = DSBLIT_BLEND_ALPHACHANNEL | DSBLIT_COLORIZE; + if (color.alpha() != 0xff) + flags |= DSBLIT_BLEND_COLORALPHA; + m_surface->SetBlittingFlags(m_surface.data(), DFBSurfaceBlittingFlags(flags)); + + const QRasterPaintEngineState *rs = static_cast<const QRasterPaintEngineState*>(state); + if (rs->clip && rs->clip->enabled) { + Q_ASSERT(rs->clip->hasRectClip); + DFBRegion dfbClip; + dfbClip.x1 = rs->clip->clipRect.x(); + dfbClip.y1 = rs->clip->clipRect.y(); + dfbClip.x2 = rs->clip->clipRect.right(); + dfbClip.y2 = rs->clip->clipRect.bottom(); + m_surface->SetClip(m_surface.data(), &dfbClip); + } + + m_surface->BatchBlit(m_surface.data(), cache->sourceSurface(), sourceRects.constData(), destPoints.constData(), nGlyphs); + + if (m_debugPaint) { + for (int i = 0; i < nGlyphs; ++i) { + drawDebugRect(QRect(destPoints[i].x, destPoints[i].y, sourceRects[i].w, sourceRects[i].h), QColor(Qt::yellow)); + } + } + + if (rs->clip && rs->clip->enabled) + m_surface->SetClip(m_surface.data(), 0); + return true; } QImage *QDirectFbBlitter::doLock() @@ -321,4 +417,79 @@ void QDirectFbBlitter::doUnlock() m_surface->Unlock(m_surface.data()); } +void QDirectFbBlitter::drawDebugRect(const QRect &rect, const QColor &color) +{ + int x, y, w, h; + DFBResult result; + + // check parameters + rect.getRect(&x, &y ,&w, &h); + if ((w <= 0) || (h <= 0)) return; + + m_surface->SetDrawingFlags(m_surface.data(), + DFBSurfaceDrawingFlags(m_premult ? (DSDRAW_BLEND | DSDRAW_SRC_PREMULTIPLY) : DSDRAW_BLEND)); + m_surface->SetPorterDuff(m_surface.data(), DSPD_SRC_OVER); + + // set color + m_surface->SetColor(m_surface.data(), color.red(), color.green(), color.blue(), 120); + + result = m_surface->DrawLine(m_surface.data(), x, y, x + w-1, y); + if (result != DFB_OK) + DirectFBError("QDirectFBBlitter::drawDebugRect()", result); + result = m_surface->DrawLine(m_surface.data(), x + w-1, y, x + w-1, y + h-1); + if (result != DFB_OK) + DirectFBError("QDirectFBBlitter::drawDebugRect()", result); + result = m_surface->DrawLine(m_surface.data(), x + w-1, y + h-1, x, y + h-1); + if (result != DFB_OK) + DirectFBError("QDirectFBBlitter::drawDebugRect()", result); + result = m_surface->DrawLine(m_surface.data(), x, y + h-1, x, y); + if (result != DFB_OK) + DirectFBError("QDirectFBBlitter::drawDebugRect()", result); + + m_surface->SetColor(m_surface.data(), color.red(), color.green(), color.blue(), 10); + result = m_surface->FillRectangle(m_surface.data(), x, y, w, h); + if (result != DFB_OK) + DirectFBError("QDirectFBBlitter::drawDebugRect()", result); +} + +void QDirectFbTextureGlyphCache::resizeTextureData(int width, int height) +{ + m_surface.reset();; + QImageTextureGlyphCache::resizeTextureData(width, height); +} + +IDirectFBSurface *QDirectFbTextureGlyphCache::sourceSurface() +{ + if (m_surface.isNull()) { + const QImage &source = image(); + DFBSurfaceDescription desc; + memset(&desc, 0, sizeof(desc)); + desc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_PREALLOCATED | DSDESC_CAPS); + desc.width = source.width(); + desc.height = source.height(); + desc.caps = DSCAPS_SYSTEMONLY; + + switch (source.format()) { + case QImage::Format_Mono: + desc.pixelformat = DSPF_A1; + break; + case QImage::Format_Indexed8: + desc.pixelformat = DSPF_A8; + break; + default: + qFatal("QDirectFBTextureGlyphCache: Unsupported source texture image format."); + break; + } + + desc.preallocated[0].data = const_cast<void*>(static_cast<const void*>(source.bits())); + desc.preallocated[0].pitch = source.bytesPerLine(); + desc.preallocated[1].data = 0; + desc.preallocated[1].pitch = 0; + + IDirectFB *dfb = QDirectFbConvenience::dfbInterface(); + dfb->CreateSurface(dfb , &desc, m_surface.outPtr()); + } + return m_surface.data(); +} + QT_END_NAMESPACE |