Beispiel #1
0
// Drawing Routines
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
                       const FloatRect& src, CompositeOperator op)
{
    startAnimation();

    QPixmap* image = nativeImageForCurrentFrame();
    if (!image)
        return;

    if (mayFillWithSolidColor()) {
        fillWithSolidColor(ctxt, dst, solidColor(), op);
        return;
    }

    IntSize selfSize = size();

    ctxt->save();

    // Set the compositing operation.
    ctxt->setCompositeOperation(op);

    QPainter* painter(ctxt->platformContext());

    if (!image->hasAlpha() && painter->compositionMode() == QPainter::CompositionMode_SourceOver)
        painter->setCompositionMode(QPainter::CompositionMode_Source);

    // Test using example site at
    // http://www.meyerweb.com/eric/css/edge/complexspiral/demo.html
    painter->drawPixmap(dst, *image, src);

    ctxt->restore();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #2
0
// Drawing Routines
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
                       const FloatRect& src, CompositeOperator op)
{
    QPixmap* image = nativeImageForCurrentFrame();
    if (!image)
        return;
    
    if (mayFillWithSolidColor()) {
        fillWithSolidColor(ctxt, dst, solidColor(), op);
        return;
    }

    IntSize selfSize = size();
    FloatRect srcRect(src);
    FloatRect dstRect(dst);

    ctxt->save();

    // Set the compositing operation.
    ctxt->setCompositeOperation(op);

    QPainter* painter(ctxt->platformContext());

    // Test using example site at
    // http://www.meyerweb.com/eric/css/edge/complexspiral/demo.html    
    painter->drawPixmap(dst, *image, src);

    ctxt->restore();

    startAnimation();
}
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dstRect,
                       const FloatRect& srcRect, ColorSpace colorSpace, CompositeOperator compositeOp)
{
    if (!m_source.initialized())
        return;

    // Spin the animation to the correct frame before we try to draw it, so we
    // don't draw an old frame and then immediately need to draw a newer one,
    // causing flicker and wasting CPU.
    startAnimation();

    NativeImageSkia* bm = nativeImageForCurrentFrame();
    if (!bm)
        return;  // It's too early and we don't have an image yet.

    FloatRect normDstRect = normalizeRect(dstRect);
    FloatRect normSrcRect = normalizeRect(srcRect);

    if (normSrcRect.isEmpty() || normDstRect.isEmpty())
        return;  // Nothing to draw.

    if (ctxt->platformContext()->useGPU() && ctxt->platformContext()->canAccelerate()) {
        drawBitmapGLES2(ctxt, bm, normSrcRect, normDstRect, colorSpace, compositeOp);
        return;
    }

    ctxt->platformContext()->prepareForSoftwareDraw();

    paintSkBitmap(ctxt->platformContext(),
                  *bm,
                  enclosingIntRect(normSrcRect),
                  normDstRect,
                  WebCoreCompositeToSkiaComposite(compositeOp));
}
Beispiel #4
0
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const TransformationMatrix& patternTransform,
                        const FloatPoint& phase, CompositeOperator op, const FloatRect& destRect)
{
    QPixmap* framePixmap = nativeImageForCurrentFrame();
    if (!framePixmap) // If it's too early we won't have an image yet.
        return;

    QPixmap pixmap = *framePixmap;
    QRect tr = QRectF(tileRect).toRect();
    if (tr.x() || tr.y() || tr.width() != pixmap.width() || tr.height() != pixmap.height())
        pixmap = pixmap.copy(tr);

    QBrush b(pixmap);
    b.setTransform(patternTransform);
    ctxt->save();
    ctxt->setCompositeOperation(op);
    QPainter* p = ctxt->platformContext();
    if (!pixmap.hasAlpha() && p->compositionMode() == QPainter::CompositionMode_SourceOver)
        p->setCompositionMode(QPainter::CompositionMode_Source);
    p->setBrushOrigin(phase);
    p->fillRect(destRect, b);
    ctxt->restore();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
void Image::drawImage(GraphicsContext *gc, const FloatRect &dstRect, const FloatRect &srcRect,
                       ColorSpace, CompositeOperator, BlendMode)
{
    JNIEnv* env = WebCore_GetJavaEnv();

    if (!gc || gc->paintingDisabled()) {
        return;
    }

    NativeImagePtr currFrame = nativeImageForCurrentFrame();
    if (!currFrame) {
        return;
    }

    gc->platformContext()->rq().freeSpace(72)
    << (jint)com_sun_webkit_graphics_GraphicsDecoder_DRAWIMAGE
    << currFrame
    << dstRect.x() << dstRect.y()
    << dstRect.width() << dstRect.height()
    << srcRect.x() << srcRect.y()
    << srcRect.width() << srcRect.height();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #6
0
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dstRect,
                       const FloatRect& srcRect, ColorSpace colorSpace, CompositeOperator compositeOp)
{
    if (!m_source.initialized())
        return;

    // Spin the animation to the correct frame before we try to draw it, so we
    // don't draw an old frame and then immediately need to draw a newer one,
    // causing flicker and wasting CPU.
    startAnimation();

    NativeImageSkia* bm = nativeImageForCurrentFrame();
    if (!bm)
        return; // It's too early and we don't have an image yet.

    FloatRect normDstRect = normalizeRect(dstRect);
    FloatRect normSrcRect = normalizeRect(srcRect);

    if (normSrcRect.isEmpty() || normDstRect.isEmpty())
        return; // Nothing to draw.

    paintSkBitmap(ctxt->platformContext(),
        *bm,
        normSrcRect,
        normDstRect,
        WebCoreCompositeToSkiaComposite(compositeOp));

    if (ImageObserver* observer = imageObserver())
        observer->didDraw(this);
}
Beispiel #7
0
void Image::drawPattern(GraphicsContext* context, const FloatRect& floatSrcRect, const FloatSize& scale,
    const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& destRect, WebBlendMode blendMode, const IntSize& repeatSpacing)
{
    TRACE_EVENT0("skia", "Image::drawPattern");
    if (RefPtr<NativeImageSkia> bitmap = nativeImageForCurrentFrame())
        bitmap->drawPattern(context, adjustForNegativeSize(floatSrcRect), scale, phase, compositeOp, destRect, blendMode, repeatSpacing);
}
Beispiel #8
0
void BitmapImage::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
                              const FloatPoint& phase, CompositeOperator op, const FloatRect& destRect)
{
    QPixmap* framePixmap = nativeImageForCurrentFrame();
    if (!framePixmap) // If it's too early we won't have an image yet.
        return;

    QPixmap pixmap = *framePixmap;
    QRect tr = QRectF(tileRect).toRect();
    if (tr.x() || tr.y() || tr.width() != pixmap.width() || tr.height() != pixmap.height()) {
        pixmap = pixmap.copy(tr);
    }

    if (patternTransform.isIdentity()) {
        ctxt->save();
        ctxt->setCompositeOperation(op);
        QPainter* p = ctxt->platformContext();
        p->setBrushOrigin(phase);
        p->drawTiledPixmap(destRect, pixmap);
        ctxt->restore();
    } else {
        QBrush b(pixmap);
        b.setMatrix(patternTransform);
        ctxt->save();
        ctxt->setCompositeOperation(op);
        QPainter* p = ctxt->platformContext();
        p->setBrushOrigin(phase);
        p->fillRect(destRect, b);
        ctxt->restore();
    }
}
Beispiel #9
0
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
                        const FloatPoint& phase, ColorSpace, CompositeOperator op, const FloatRect& destRect)
{
    QPixmap* framePixmap = nativeImageForCurrentFrame();
    if (!framePixmap) // If it's too early we won't have an image yet.
        return;

    // Qt interprets 0 width/height as full width/height so just short circuit.
    QRectF dr = QRectF(destRect).normalized();
    QRect tr = QRectF(tileRect).toRect().normalized();
    if (!dr.width() || !dr.height() || !tr.width() || !tr.height())
        return;

    QPixmap pixmap = *framePixmap;
    if (tr.x() || tr.y() || tr.width() != pixmap.width() || tr.height() != pixmap.height())
        pixmap = pixmap.copy(tr);

    CompositeOperator previousOperator = ctxt->compositeOperation();

    ctxt->setCompositeOperation(!pixmap.hasAlpha() && op == CompositeSourceOver ? CompositeCopy : op);

    QPainter* p = ctxt->platformContext();
    QTransform transform(patternTransform);

    // If this would draw more than one scaled tile, we scale the pixmap first and then use the result to draw.
    if (transform.type() == QTransform::TxScale) {
        QRectF tileRectInTargetCoords = (transform * QTransform().translate(phase.x(), phase.y())).mapRect(tr);

        bool tileWillBePaintedOnlyOnce = tileRectInTargetCoords.contains(dr);
        if (!tileWillBePaintedOnlyOnce) {
            QSizeF scaledSize(float(pixmap.width()) * transform.m11(), float(pixmap.height()) * transform.m22());
            QPixmap scaledPixmap(scaledSize.toSize());
            if (pixmap.hasAlpha())
                scaledPixmap.fill(Qt::transparent);
            {
                QPainter painter(&scaledPixmap);
                painter.setCompositionMode(QPainter::CompositionMode_Source);
                painter.setRenderHints(p->renderHints());
                painter.drawPixmap(QRect(0, 0, scaledPixmap.width(), scaledPixmap.height()), pixmap);
            }
            pixmap = scaledPixmap;
            transform = QTransform::fromTranslate(transform.dx(), transform.dy());
        }
    }

    /* Translate the coordinates as phase is not in world matrix coordinate space but the tile rect origin is. */
    transform *= QTransform().translate(phase.x(), phase.y());
    transform.translate(tr.x(), tr.y());

    QBrush b(pixmap);
    b.setTransform(transform);
    p->fillRect(dr, b);

    ctxt->setCompositeOperation(previousOperator);

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #10
0
void BitmapImage::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRectIn, const AffineTransform& patternTransform,
                        const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator op, const FloatRect& destRect)
{
    RefPtr<SharedBitmap> bmp = nativeImageForCurrentFrame();
    if (!bmp)
        return;

    bmp->drawPattern(ctxt, tileRectIn, patternTransform, phase, styleColorSpace, op, destRect, m_source.size());
}
Beispiel #11
0
void Image::drawPattern(GraphicsContext& ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
    const FloatPoint& phase, const FloatSize& spacing, CompositeOperator op, const FloatRect& destRect, BlendMode blendMode)
{
    if (!nativeImageForCurrentFrame())
        return;

    ctxt.drawPattern(*this, tileRect, patternTransform, phase, spacing, op, destRect, blendMode);

    if (imageObserver())
        imageObserver()->didDraw(this);
}
void Image::drawPattern(GraphicsContext* context, const FloatRect& tileRect, const AffineTransform& patternTransform,
                        const FloatPoint& phase, ColorSpace colorSpace, CompositeOperator op, const FloatRect& destRect)
{
    cairo_surface_t* image = nativeImageForCurrentFrame();
    if (!image) // If it's too early we won't have an image yet.
        return;

    cairo_t* cr = context->platformContext()->cr();
    drawPatternToCairoContext(cr, image, size(), tileRect, patternTransform, phase, toCairoOperator(op), destRect);

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #13
0
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace colorSpace, CompositeOperator compositeOp, RespectImageOrientationEnum shouldRespectImageOrientation)
{
    if (!m_source.initialized())
        return;

    // Spin the animation to the correct frame before we try to draw it, so we
    // don't draw an old frame and then immediately need to draw a newer one,
    // causing flicker and wasting CPU.
    startAnimation();

    NativeImageSkia* bm = nativeImageForCurrentFrame();
    if (!bm)
        return; // It's too early and we don't have an image yet.

    FloatRect normDstRect = normalizeRect(dstRect);
    FloatRect normSrcRect = normalizeRect(srcRect);
    normSrcRect.intersect(FloatRect(0, 0, bm->bitmap().width(), bm->bitmap().height()));

    if (normSrcRect.isEmpty() || normDstRect.isEmpty())
        return; // Nothing to draw.

    ImageOrientation orientation = DefaultImageOrientation;
    if (shouldRespectImageOrientation == RespectImageOrientation)
        orientation = frameOrientationAtIndex(m_currentFrame);

    GraphicsContextStateSaver saveContext(*ctxt, false);
    if (orientation != DefaultImageOrientation) {
        saveContext.save();

        // ImageOrientation expects the origin to be at (0, 0)
        ctxt->translate(normDstRect.x(), normDstRect.y());
        normDstRect.setLocation(FloatPoint());

        ctxt->concatCTM(orientation.transformFromDefault(normDstRect.size()));

        if (orientation.usesWidthAsHeight()) {
            // The destination rect will have it's width and height already reversed for the orientation of
            // the image, as it was needed for page layout, so we need to reverse it back here.
            normDstRect = FloatRect(normDstRect.x(), normDstRect.y(), normDstRect.height(), normDstRect.width());
        }
    }

    paintSkBitmap(ctxt->platformContext(),
        *bm,
        normSrcRect,
        normDstRect,
        WebCoreCompositeToSkiaComposite(compositeOp));

    if (ImageObserver* observer = imageObserver())
        observer->didDraw(this);
}
Beispiel #14
0
void Image::drawPattern(GraphicsContext* context, const FloatRect& tileRect, const TransformationMatrix& patternTransform,
                        const FloatPoint& phase, CompositeOperator op, const FloatRect& destRect)
{
    cairo_surface_t* image = nativeImageForCurrentFrame();
    if (!image) // If it's too early we won't have an image yet.
        return;

    cairo_t* cr = context->platformContext();
    context->save();

    IntRect imageSize = enclosingIntRect(tileRect);
    OwnPtr<ImageBuffer> imageSurface = ImageBuffer::create(imageSize.size(), false);

    if (!imageSurface)
        return;

    if (tileRect.size() != size()) {
        cairo_t* clippedImageContext = imageSurface->context()->platformContext();
        cairo_set_source_surface(clippedImageContext, image, -tileRect.x(), -tileRect.y());
        cairo_paint(clippedImageContext);
        image = imageSurface->image()->nativeImageForCurrentFrame();
    }

    cairo_pattern_t* pattern = cairo_pattern_create_for_surface(image);
    cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);

    // Workaround to avoid the unwanted gradient effect (#14017)
    cairo_pattern_set_filter(pattern, CAIRO_FILTER_NEAREST);

    cairo_matrix_t pattern_matrix = cairo_matrix_t(patternTransform);
    cairo_matrix_t phase_matrix = {1, 0, 0, 1, phase.x() + tileRect.x() * patternTransform.a(), phase.y() + tileRect.y() * patternTransform.d()};
    cairo_matrix_t combined;
    cairo_matrix_multiply(&combined, &pattern_matrix, &phase_matrix);
    cairo_matrix_invert(&combined);
    cairo_pattern_set_matrix(pattern, &combined);

    context->setCompositeOperation(op);
    cairo_set_source(cr, pattern);
    cairo_pattern_destroy(pattern);
    cairo_rectangle(cr, destRect.x(), destRect.y(), destRect.width(), destRect.height());
    cairo_fill(cr);

    context->restore();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #15
0
void Image::drawPattern(GraphicsContext* context, const FloatRect& tileRect, const AffineTransform& patternTransform, const FloatPoint& phase, ColorSpace, CompositeOperator op, const FloatRect& dstRect)
{
    BBitmap* image = nativeImageForCurrentFrame();
    if (!image || !image->IsValid()) // If the image hasn't fully loaded.
        return;

    // Figure out if the image has any alpha transparency, we can use faster drawing if not
    bool hasAlpha = false;

    uint8* bits = reinterpret_cast<uint8*>(image->Bits());
    uint32 width = image->Bounds().IntegerWidth() + 1;
    uint32 height = image->Bounds().IntegerHeight() + 1;

    uint32 bytesPerRow = image->BytesPerRow();
    for (uint32 y = 0; y < height && !hasAlpha; y++) {
        uint8* p = bits;
        for (uint32 x = 0; x < width && !hasAlpha; x++) {
            hasAlpha = p[3] < 255;
            p += 4;
        }
        bits += bytesPerRow;
    }

    context->save();
    if (hasAlpha)
        context->platformContext()->SetDrawingMode(B_OP_ALPHA);
    else
        context->platformContext()->SetDrawingMode(B_OP_COPY);
    context->clip(enclosingIntRect(dstRect));
    float currentW = phase.x();
    BRect bTileRect(tileRect);
    while (currentW < dstRect.x() + dstRect.width()) {
        float currentH = phase.y();
        while (currentH < dstRect.y() + dstRect.height()) {
            BRect bDstRect(currentW, currentH, currentW + width - 1, currentH + height - 1);
            context->platformContext()->DrawBitmapAsync(image, bTileRect, bDstRect);
            currentH += height;
        }
        currentW += width;
    }
    context->restore();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #16
0
void BitmapImage::checkForSolidColor()
{
    TiledImageOpenVG* tiledImage = 0;

    if (m_frameCount == 1 && m_size.width() == 1 && m_size.height() == 1)
        tiledImage = nativeImageForCurrentFrame();

    if (tiledImage) {
        m_isSolidColor = true;
        RGBA32 pixel;
        vgGetImageSubData(tiledImage->tile(0, 0), &pixel, 0, VG_sARGB_8888, 0, 0, 1, 1);
        ASSERT_VG_NO_ERROR();
        m_solidColor.setRGB(pixel);
    } else
        m_isSolidColor = false;

    m_checkedForSolidColor = true;
}
Beispiel #17
0
void Image::drawPattern(GraphicsContext& context, const FloatRect& tileRect, const AffineTransform& patternTransform,
    const FloatPoint& phase, ColorSpace, CompositeOperator op, const FloatRect& destRect, BlendMode blendOp)
{
    RefPtr<cairo_surface_t> surface = nativeImageForCurrentFrame();
    if (!surface) // If it's too early we won't have an image yet.
        return;

    cairo_t* cr = context.platformContext()->cr();
    cairo_operator_t cairoOp;
    if (blendOp == BlendModeNormal)
        cairoOp = toCairoOperator(op);
    else
        cairoOp = toCairoOperator(blendOp);
    drawPatternToCairoContext(cr, surface.get(), IntSize(size()), tileRect, patternTransform, phase, cairoOp, destRect);

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #18
0
// Drawing Routines
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
                       const FloatRect& src, ColorSpace styleColorSpace, CompositeOperator op)
{
    QRectF normalizedDst = dst.normalized();
    QRectF normalizedSrc = src.normalized();

    startAnimation();

    if (normalizedSrc.isEmpty() || normalizedDst.isEmpty())
        return;

    QPixmap* image = nativeImageForCurrentFrame();
    if (!image)
        return;

    if (mayFillWithSolidColor()) {
        fillWithSolidColor(ctxt, normalizedDst, solidColor(), styleColorSpace, op);
        return;
    }

#if ENABLE(IMAGE_DECODER_DOWN_SAMPLING)
    normalizedSrc = adjustSourceRectForDownSampling(normalizedSrc, image->size());
#endif

    CompositeOperator previousOperator = ctxt->compositeOperation();
    ctxt->setCompositeOperation(!image->hasAlpha() && op == CompositeSourceOver ? CompositeCopy : op);

    if (ctxt->hasShadow()) {
        ShadowBlur* shadow = ctxt->shadowBlur();
        GraphicsContext* shadowContext = shadow->beginShadowLayer(ctxt, normalizedDst);
        if (shadowContext) {
            QPainter* shadowPainter = shadowContext->platformContext();
            shadowPainter->drawPixmap(normalizedDst, *image, normalizedSrc);
            shadow->endShadowLayer(ctxt);
        }
    }

    ctxt->platformContext()->drawPixmap(normalizedDst, *image, normalizedSrc);

    ctxt->setCompositeOperation(previousOperator);

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #19
0
// Drawing Routines
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
                 const FloatRect& src, CompositeOperator op)
{
    os::Bitmap* image = nativeImageForCurrentFrame();
    if (!image) // If it's too early we won't have an image yet.
        return;
        
    if (mayFillWithSolidColor()) {
        fillWithSolidColor(ctxt, dst, solidColor(), op);
        return;
    }

	//DEBUG( "Image::draw() %f %f\n", image->GetBounds().Width(), image->GetBounds().Height() );

    IntSize selfSize = size();
    FloatRect srcRect(src);
    FloatRect dstRect(dst);

    ctxt->save();

    // Set the compositing operation.
    ctxt->setCompositeOperation(op);
    
    os::View* view = ctxt->platformContext();
    
    os::Rect cSrc = srcRect;
    os::Rect cDst = dstRect;
    cSrc.Resize( 0, 0, -1, -1 );
    cDst.Resize( 0, 0, -1, -1 );
    if( !image->GetBounds().Includes( cSrc ) )
    	DEBUG( "Error: Image::draw(): Source size larger than bitmap\n" );
    view->DrawBitmap( image, cSrc & image->GetBounds(), cDst );

#if 0
    QPainter* painter(ctxt->platformContext());

    // Test using example site at
    // http://www.meyerweb.com/eric/css/edge/complexspiral/demo.html    
    painter->drawImage(dst, *image, src);
#endif
    ctxt->restore();

    startAnimation();
}
Beispiel #20
0
// Drawing Routines
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
                       const FloatRect& src, ColorSpace styleColorSpace, CompositeOperator op)
{
    QRectF normalizedDst = dst.normalized();
    QRectF normalizedSrc = src.normalized();

    startAnimation();

    if (normalizedSrc.isEmpty() || normalizedDst.isEmpty())
        return;

    QPixmap* image = nativeImageForCurrentFrame();
    if (!image)
        return;

    if (mayFillWithSolidColor()) {
        fillWithSolidColor(ctxt, normalizedDst, solidColor(), styleColorSpace, op);
        return;
    }

    CompositeOperator previousOperator = ctxt->compositeOperation();
    ctxt->setCompositeOperation(!image->hasAlpha() && op == CompositeSourceOver ? CompositeCopy : op);

    ContextShadow* shadow = ctxt->contextShadow();
    if (shadow->m_type != ContextShadow::NoShadow) {
        QPainter* shadowPainter = shadow->beginShadowLayer(ctxt, normalizedDst);
        if (shadowPainter) {
            shadowPainter->setOpacity(static_cast<qreal>(shadow->m_color.alpha()) / 255);
            shadowPainter->drawPixmap(normalizedDst, *image, normalizedSrc);
            shadow->endShadowLayer(ctxt);
        }
    }

    ctxt->platformContext()->drawPixmap(normalizedDst, *image, normalizedSrc);

    ctxt->setCompositeOperation(previousOperator);

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #21
0
// Drawing Routines
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dst, const FloatRect& src, ColorSpace styleColorSpace, CompositeOperator op)
{
    if (!m_source.initialized())
        return;

    // Spin the animation to the correct frame before we try to draw it, so we
    // don't draw an old frame and then immediately need to draw a newer one,
    // causing flicker and wasting CPU.
    startAnimation();

    BBitmap* image = nativeImageForCurrentFrame();
    if (!image || !image->IsValid()) // If the image hasn't fully loaded.
        return;

    if (mayFillWithSolidColor()) {
        fillWithSolidColor(ctxt, dst, solidColor(), styleColorSpace, op);
        return;
    }

    ctxt->save();
    ctxt->setCompositeOperation(op);

    BRect srcRect(src);
    BRect dstRect(dst);

    // Test using example site at
    // http://www.meyerweb.com/eric/css/edge/complexspiral/demo.html
    ctxt->platformContext()->SetDrawingMode(B_OP_ALPHA);
    uint32 options = 0;
    if (ctxt->imageInterpolationQuality() == InterpolationDefault
        || ctxt->imageInterpolationQuality() > InterpolationLow) {
        options |= B_FILTER_BITMAP_BILINEAR;
    }
    ctxt->platformContext()->DrawBitmapAsync(image, srcRect, dstRect, options);
    ctxt->restore();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #22
0
void Image::drawPattern(GraphicsContext* context, const FloatRect& tileRect, const AffineTransform& patternTransform,
                        const FloatPoint& phase, ColorSpace colorSpace, CompositeOperator op, const FloatRect& destRect)
{
    cairo_surface_t* image = nativeImageForCurrentFrame();
    if (!image) // If it's too early we won't have an image yet.
        return;

    cairo_t* cr = context->platformContext()->cr();
    drawPatternToCairoContext(cr, image, size(), tileRect, patternTransform, phase, toCairoOperator(op), destRect);

    if (imageObserver())
        imageObserver()->didDraw(this);

//+EAWebKitChange
//5/30/2012
#if ENABLE(IMAGE_COMPRESSION)
    // Check if this is a compressed surface.
    const void* pCompressedSurfaceUserData = cairo_surface_get_user_data (image, (cairo_user_data_key_t*) ImageCompressionGetUserDataKey());
    if (pCompressedSurfaceUserData)
        cairo_surface_destroy(image);
#endif
//-EAWebKitChange
}
void Image::drawPattern(GraphicsContext *gc, const FloatRect& srcRect, const AffineTransform& patternTransform,
                        const FloatPoint& phase, ColorSpace, CompositeOperator, const FloatRect& destRect, BlendMode)
{
    JNIEnv* env = WebCore_GetJavaEnv();

    if (!gc || gc->paintingDisabled() || srcRect.isEmpty()) {
        return;
    }

    NativeImagePtr currFrame = nativeImageForCurrentFrame();
    if (!currFrame) {
        return;
    }

    TransformationMatrix tm = patternTransform.toTransformationMatrix();

    static jmethodID mid = env->GetMethodID(PG_GetGraphicsManagerClass(env),
                "createTransform",
                "(DDDDDD)Lcom/sun/webkit/graphics/WCTransform;");
    ASSERT(mid);
    JLObject transform(env->CallObjectMethod(PL_GetGraphicsManager(env), mid,
                tm.a(), tm.b(), tm.c(), tm.d(), tm.e(), tm.f()));
    ASSERT(transform);
    CheckAndClearException(env);

    gc->platformContext()->rq().freeSpace(13 * 4)
    << (jint)com_sun_webkit_graphics_GraphicsDecoder_DRAWPATTERN
    << currFrame
    << srcRect.x() << srcRect.y() << srcRect.width() << srcRect.height()
    << RQRef::create(transform)
    << phase.x() << phase.y()
    << destRect.x() << destRect.y() << destRect.width() << destRect.height();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #24
0
void BitmapImage::draw(GraphicsContext* context, const FloatRect& dst, const FloatRect& src, ColorSpace styleColorSpace, CompositeOperator op)
{
    if (dst.isEmpty() || src.isEmpty())
        return;

    NativeImagePtr image = nativeImageForCurrentFrame();
    if (!image)
        return;

    startAnimation();

    if (mayFillWithSolidColor()) {
        fillWithSolidColor(context, dst, solidColor(), styleColorSpace, op);
        return;
    }

    context->save();

    // Set the compositing operation.
    if (op == CompositeSourceOver && !frameHasAlphaAtIndex(m_currentFrame))
        context->setCompositeOperation(CompositeCopy);
    else
        context->setCompositeOperation(op);

#if ENABLE(IMAGE_DECODER_DOWN_SAMPLING)
    FloatRect srcRectLocal = adjustSourceRectForDownSampling(src, image->size());
#else
    FloatRect srcRectLocal(src);
#endif

    context->platformContext()->activePainter()->drawImage(image, dst, srcRectLocal);
    context->restore();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #25
0
void Image::drawPattern(GraphicsContext* context, const FloatRect& src,
                        const AffineTransform& patternTransformation,
                        const FloatPoint& phase, ColorSpace styleColorSpace,
                        CompositeOperator op, const FloatRect& dst)
{
    if (dst.isEmpty() || src.isEmpty())
        return;

    NativeImagePtr image = nativeImageForCurrentFrame();
    if (!image)
        return;

    startAnimation();

    if (mayFillWithSolidColor()) {
        fillWithSolidColor(context, dst, solidColor(), styleColorSpace, op);
        return;
    }

    notImplemented();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #26
0
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
                        const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator op, const FloatRect& destRect)
{
    if (!nativeImageForCurrentFrame())
        return;

    ASSERT(patternTransform.isInvertible());
    if (!patternTransform.isInvertible())
        // Avoid a hang under CGContextDrawTiledImage on release builds.
        return;

    CGContextRef context = ctxt->platformContext();
    ctxt->save();
    CGContextClipToRect(context, destRect);
    ctxt->setCompositeOperation(op);
    CGContextTranslateCTM(context, destRect.x(), destRect.y() + destRect.height());
    CGContextScaleCTM(context, 1, -1);
    
    // Compute the scaled tile size.
    float scaledTileHeight = tileRect.height() * narrowPrecisionToFloat(patternTransform.d());
    
    // We have to adjust the phase to deal with the fact we're in Cartesian space now (with the bottom left corner of destRect being
    // the origin).
    float adjustedX = phase.x() - destRect.x() + tileRect.x() * narrowPrecisionToFloat(patternTransform.a()); // We translated the context so that destRect.x() is the origin, so subtract it out.
    float adjustedY = destRect.height() - (phase.y() - destRect.y() + tileRect.y() * narrowPrecisionToFloat(patternTransform.d()) + scaledTileHeight);

    CGImageRef tileImage = nativeImageForCurrentFrame();
    float h = CGImageGetHeight(tileImage);

    RetainPtr<CGImageRef> subImage;
    if (tileRect.size() == size())
        subImage = tileImage;
    else {
        // Copying a sub-image out of a partially-decoded image stops the decoding of the original image. It should never happen
        // because sub-images are only used for border-image, which only renders when the image is fully decoded.
        ASSERT(h == height());
        subImage.adoptCF(CGImageCreateWithImageInRect(tileImage, tileRect));
    }

    // Adjust the color space.
    subImage = imageWithColorSpace(subImage.get(), styleColorSpace);
    
#ifndef BUILDING_ON_TIGER
    // Leopard has an optimized call for the tiling of image patterns, but we can only use it if the image has been decoded enough that
    // its buffer is the same size as the overall image.  Because a partially decoded CGImageRef with a smaller width or height than the
    // overall image buffer needs to tile with "gaps", we can't use the optimized tiling call in that case.
    // FIXME: Could create WebKitSystemInterface SPI for CGCreatePatternWithImage2 and probably make Tiger tile faster as well.
    // FIXME: We cannot use CGContextDrawTiledImage with scaled tiles on Leopard, because it suffers from rounding errors.  Snow Leopard is ok.
    float scaledTileWidth = tileRect.width() * narrowPrecisionToFloat(patternTransform.a());
    float w = CGImageGetWidth(tileImage);
#ifdef BUILDING_ON_LEOPARD
    if (w == size().width() && h == size().height() && scaledTileWidth == tileRect.width() && scaledTileHeight == tileRect.height())
#else
    if (w == size().width() && h == size().height())
#endif
        CGContextDrawTiledImage(context, FloatRect(adjustedX, adjustedY, scaledTileWidth, scaledTileHeight), subImage.get());
    else {
#endif

    // On Leopard, this code now only runs for partially decoded images whose buffers do not yet match the overall size of the image.
    // On Tiger this code runs all the time.  This code is suboptimal because the pattern does not reference the image directly, and the
    // pattern is destroyed before exiting the function.  This means any decoding the pattern does doesn't end up cached anywhere, so we
    // redecode every time we paint.
    static const CGPatternCallbacks patternCallbacks = { 0, drawPatternCallback, NULL };
    CGAffineTransform matrix = CGAffineTransformMake(narrowPrecisionToCGFloat(patternTransform.a()), 0, 0, narrowPrecisionToCGFloat(patternTransform.d()), adjustedX, adjustedY);
    matrix = CGAffineTransformConcat(matrix, CGContextGetCTM(context));
    // The top of a partially-decoded image is drawn at the bottom of the tile. Map it to the top.
    matrix = CGAffineTransformTranslate(matrix, 0, size().height() - h);
    RetainPtr<CGPatternRef> pattern(AdoptCF, CGPatternCreate(subImage.get(), CGRectMake(0, 0, tileRect.width(), tileRect.height()),
                                             matrix, tileRect.width(), tileRect.height(), 
                                             kCGPatternTilingConstantSpacing, true, &patternCallbacks));
    if (!pattern) {
        ctxt->restore();
        return;
    }

    RetainPtr<CGColorSpaceRef> patternSpace(AdoptCF, CGColorSpaceCreatePattern(0));
    
    CGFloat alpha = 1;
    RetainPtr<CGColorRef> color(AdoptCF, CGColorCreateWithPattern(patternSpace.get(), pattern.get(), &alpha));
    CGContextSetFillColorSpace(context, patternSpace.get());

    // FIXME: Really want a public API for this.  It is just CGContextSetBaseCTM(context, CGAffineTransformIdentiy).
    wkSetPatternBaseCTM(context, CGAffineTransformIdentity);
    CGContextSetPatternPhase(context, CGSizeZero);

    CGContextSetFillColorWithColor(context, color.get());
    CGContextFillRect(context, CGContextGetClipBoundingBox(context));

#ifndef BUILDING_ON_TIGER
    }
#endif

    ctxt->restore();

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #27
0
void Image::drawPattern(GraphicsContext* context,
                        const FloatRect& floatSrcRect,
                        const AffineTransform& patternTransform,
                        const FloatPoint& phase,
                        ColorSpace styleColorSpace,
                        CompositeOperator compositeOp,
                        const FloatRect& destRect)
{
#if PLATFORM(CHROMIUM)
    TRACE_EVENT0("skia", "Image::drawPattern");
#endif
    FloatRect normSrcRect = normalizeRect(floatSrcRect);
    if (destRect.isEmpty() || normSrcRect.isEmpty())
        return; // nothing to draw

    NativeImageSkia* bitmap = nativeImageForCurrentFrame();
    if (!bitmap)
        return;

    SkMatrix ctm = context->platformContext()->canvas()->getTotalMatrix();
    SkMatrix totalMatrix;
    totalMatrix.setConcat(ctm, patternTransform);

    // Figure out what size the bitmap will be in the destination. The
    // destination rect is the bounds of the pattern, we need to use the
    // matrix to see how big it will be.
    SkRect destRectTarget;
    totalMatrix.mapRect(&destRectTarget, normSrcRect);

    float destBitmapWidth = SkScalarToFloat(destRectTarget.width());
    float destBitmapHeight = SkScalarToFloat(destRectTarget.height());

    // Compute the resampling mode.
    ResamplingMode resampling;
    if (context->platformContext()->isAccelerated() || context->platformContext()->printing())
        resampling = RESAMPLE_LINEAR;
    else
        resampling = computeResamplingMode(totalMatrix, *bitmap, normSrcRect.width(), normSrcRect.height(), destBitmapWidth, destBitmapHeight);
    resampling = limitResamplingMode(context->platformContext(), resampling);

    // Load the transform WebKit requested.
    SkMatrix matrix(patternTransform);

    SkShader* shader;
    if (resampling == RESAMPLE_AWESOME) {
        // Do nice resampling.
        float scaleX = destBitmapWidth / normSrcRect.width();
        float scaleY = destBitmapHeight / normSrcRect.height();
        SkRect scaledSrcRect;
        SkIRect enclosingScaledSrcRect;

        // The image fragment generated here is not exactly what is
        // requested. The scale factor used is approximated and image
        // fragment is slightly larger to align to integer
        // boundaries.
        SkBitmap resampled = extractScaledImageFragment(*bitmap, normSrcRect, scaleX, scaleY, &scaledSrcRect, &enclosingScaledSrcRect);
        shader = SkShader::CreateBitmapShader(resampled, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);

        // Since we just resized the bitmap, we need to remove the scale
        // applied to the pixels in the bitmap shader. This means we need
        // CTM * patternTransform to have identity scale. Since we
        // can't modify CTM (or the rectangle will be drawn in the wrong
        // place), we must set patternTransform's scale to the inverse of
        // CTM scale.
        matrix.setScaleX(ctm.getScaleX() ? 1 / ctm.getScaleX() : 1);
        matrix.setScaleY(ctm.getScaleY() ? 1 / ctm.getScaleY() : 1);
    } else {
        // No need to do nice resampling.
        SkBitmap srcSubset;
        bitmap->bitmap().extractSubset(&srcSubset, enclosingIntRect(normSrcRect));
        shader = SkShader::CreateBitmapShader(srcSubset, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
    }

    // We also need to translate it such that the origin of the pattern is the
    // origin of the destination rect, which is what WebKit expects. Skia uses
    // the coordinate system origin as the base for the patter. If WebKit wants
    // a shifted image, it will shift it from there using the patternTransform.
    float adjustedX = phase.x() + normSrcRect.x() *
                      narrowPrecisionToFloat(patternTransform.a());
    float adjustedY = phase.y() + normSrcRect.y() *
                      narrowPrecisionToFloat(patternTransform.d());
    matrix.postTranslate(SkFloatToScalar(adjustedX),
                         SkFloatToScalar(adjustedY));
    shader->setLocalMatrix(matrix);

    SkPaint paint;
    paint.setShader(shader)->unref();
    paint.setXfermodeMode(WebCoreCompositeToSkiaComposite(compositeOp));
    paint.setFilterBitmap(resampling == RESAMPLE_LINEAR);

    context->platformContext()->paintSkPaint(destRect, paint);
}
Beispiel #28
0
void BitmapImage::readyWRATHWidgets(PaintedWidgetsOfWRATHHandleT<Image>& handle, ContextOfWRATH *ctx,
                                    const FloatRect& dst, const FloatRect& src,
                                    ColorSpace styleColorSpace, CompositeOperator op)
{
    BitmapImage_readyWRATHWidgets *d(BitmapImage_readyWRATHWidgets::object(this, handle));

    ContextOfWRATH::AutoPushNode autoPushRoot(ctx, d->m_root_node);

    d->m_solid_color.visible(false);
    if (d->m_image_rect_item.widget())
        d->m_image_rect_item.widget()->visible(false);

    FloatRect normalizedDst = dst.normalized();
    FloatRect normalizedSrc = src.normalized();

    startAnimation();

    if (normalizedSrc.isEmpty() || normalizedDst.isEmpty())
        return;

    NativeImagePtr nativeImage = nativeImageForCurrentFrame();
    if (!nativeImage)
        return;

    // "Hardcode" the requirement for the underlying wrath image type to WRATHImage.
    // The reason is support for setting texture coordinates, which isn't possible for WRATHCompoundImage
    WRATHImage* image = nativeImage->getWrathImage();
    if (!image)
        return;

    if (mayFillWithSolidColor()) {
        d->m_solid_color.visible(true);
        readyWRATHWidgetSolidColor(d->m_solid_color, ctx, this, normalizedDst, solidColor(), styleColorSpace, op);
        return;
    }

    // ImageRectOfWRATH methods handle changing the op with respect to composite operator
    /*
    CompositeOperator previousOperator = ctxt->compositeOperation();
    ctxt->setCompositeOperation(!image->hasAlpha() && op == CompositeSourceOver ? CompositeCopy : op);
    */
    if(!nativeImage->hasAlpha() && op == CompositeSourceOver)
      {
        op=CompositeCopy;
      }
    
    /*
      [WRATH-DANGER]: No shadows

    ContextShadow* shadow = ctxt->contextShadow();
    if (shadow->m_type != ContextShadow::NoShadow) {
        QPainter* shadowPainter = shadow->beginShadowLayer(ctxt, normalizedDst);
        if (shadowPainter) {
            shadowPainter->setOpacity(static_cast<qreal>(shadow->m_color.alpha()) / 255);
            shadowPainter->drawPixmap(normalizedDst, *image, normalizedSrc);
            shadow->endShadowLayer(ctxt);
        }
    }
    */

    /*
      [WRATH-DANGER]: Possible rounding errors from converting to IntRect
     */
    d->m_image_rect_item.update(ctx, nativeImage,
                                normalizedDst, IntRect(normalizedSrc),
                                op);
    if (d->m_image_rect_item.widget())
      d->m_image_rect_item.widget()->visible(true);

    /*
      ctxt->platformContext()->drawPixmap(normalizedDst, *image, normalizedSrc);
    */

    /*
    ctxt->setCompositeOperation(previousOperator);
    */

    if (imageObserver())
        imageObserver()->didDraw(this);
}
Beispiel #29
0
void Image::drawPattern(GraphicsContext* context,
                        const FloatRect& floatSrcRect,
                        const AffineTransform& patternTransform,
                        const FloatPoint& phase,
                        ColorSpace styleColorSpace,
                        CompositeOperator compositeOp,
                        const FloatRect& destRect)
{
    FloatRect normSrcRect = normalizeRect(floatSrcRect);
    if (destRect.isEmpty() || normSrcRect.isEmpty())
        return; // nothing to draw

    NativeImageSkia* bitmap = nativeImageForCurrentFrame();
    if (!bitmap)
        return;

    SkIRect srcRect = enclosingIntRect(normSrcRect);

    // Figure out what size the bitmap will be in the destination. The
    // destination rect is the bounds of the pattern, we need to use the
    // matrix to see how big it will be.
    float destBitmapWidth, destBitmapHeight;
    TransformDimensions(patternTransform, srcRect.width(), srcRect.height(),
                        &destBitmapWidth, &destBitmapHeight);

    // Compute the resampling mode.
    ResamplingMode resampling;
    if (context->platformContext()->isAccelerated() || context->platformContext()->printing())
        resampling = RESAMPLE_LINEAR;
    else
        resampling = computeResamplingMode(context->platformContext(), *bitmap, srcRect.width(), srcRect.height(), destBitmapWidth, destBitmapHeight);

    // Load the transform WebKit requested.
    SkMatrix matrix(patternTransform);

    SkShader* shader;
    if (resampling == RESAMPLE_AWESOME) {
        // Do nice resampling.
        int width = static_cast<int>(destBitmapWidth);
        int height = static_cast<int>(destBitmapHeight);
        SkBitmap resampled = bitmap->resizedBitmap(srcRect, width, height);
        shader = SkShader::CreateBitmapShader(resampled, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);

        // Since we just resized the bitmap, we need to undo the scale set in
        // the image transform.
        matrix.setScaleX(SkIntToScalar(1));
        matrix.setScaleY(SkIntToScalar(1));
    } else {
        // No need to do nice resampling.
        SkBitmap srcSubset;
        bitmap->bitmap().extractSubset(&srcSubset, srcRect);
        shader = SkShader::CreateBitmapShader(srcSubset, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
    }

    // We also need to translate it such that the origin of the pattern is the
    // origin of the destination rect, which is what WebKit expects. Skia uses
    // the coordinate system origin as the base for the patter. If WebKit wants
    // a shifted image, it will shift it from there using the patternTransform.
    float adjustedX = phase.x() + normSrcRect.x() *
                      narrowPrecisionToFloat(patternTransform.a());
    float adjustedY = phase.y() + normSrcRect.y() *
                      narrowPrecisionToFloat(patternTransform.d());
    matrix.postTranslate(SkFloatToScalar(adjustedX),
                         SkFloatToScalar(adjustedY));
    shader->setLocalMatrix(matrix);

    SkPaint paint;
    paint.setShader(shader)->unref();
    paint.setXfermodeMode(WebCoreCompositeToSkiaComposite(compositeOp));
    paint.setFilterBitmap(resampling == RESAMPLE_LINEAR);

    context->platformContext()->paintSkPaint(destRect, paint);
}
Beispiel #30
0
GdkPixbuf* BitmapImage::getGdkPixbuf()
{
    RefPtr<cairo_surface_t> surface = nativeImageForCurrentFrame();
    return surface ? cairoSurfaceToGdkPixbuf(surface.get()) : 0;
}