C++ (Cpp) setImageInterpolationQuality示例

示例#1

文件： GraphicsContext.cpp 项目： Xertz/EAWebKit

void GraphicsContext::drawImageBuffer(ImageBuffer* image, ColorSpace styleColorSpace, const FloatRect& dest, const FloatRect& src, CompositeOperator op, bool useLowQualityScale)
{
    if (paintingDisabled() || !image)
        return;

    float tsw = src.width();
    float tsh = src.height();
    float tw = dest.width();
    float th = dest.height();

    if (tsw == -1)
        tsw = image->width();
    if (tsh == -1)
        tsh = image->height();

    if (tw == -1)
        tw = image->width();
    if (th == -1)
        th = image->height();

    if (useLowQualityScale) {
        InterpolationQuality previousInterpolationQuality = imageInterpolationQuality();
        // FIXME: Should be InterpolationLow
        setImageInterpolationQuality(InterpolationNone);
        image->draw(this, styleColorSpace, FloatRect(dest.location(), FloatSize(tw, th)), FloatRect(src.location(), FloatSize(tsw, tsh)), op, useLowQualityScale);
        setImageInterpolationQuality(previousInterpolationQuality);
    } else
        image->draw(this, styleColorSpace, FloatRect(dest.location(), FloatSize(tw, th)), FloatRect(src.location(), FloatSize(tsw, tsh)), op, useLowQualityScale);
}

示例#2

文件： GraphicsContext.cpp 项目： Xertz/EAWebKit

void GraphicsContext::drawTiledImage(Image* image, ColorSpace styleColorSpace, const IntRect& rect, const IntPoint& srcPoint, const IntSize& tileSize, CompositeOperator op, bool useLowQualityScale)
{
    if (paintingDisabled() || !image)
        return;

    if (useLowQualityScale) {
        InterpolationQuality previousInterpolationQuality = imageInterpolationQuality();
        setImageInterpolationQuality(InterpolationLow);
        image->drawTiled(this, rect, srcPoint, tileSize, styleColorSpace, op);
        setImageInterpolationQuality(previousInterpolationQuality);
    } else
        image->drawTiled(this, rect, srcPoint, tileSize, styleColorSpace, op);
}

示例#3

文件： GraphicsContext.cpp 项目： Happy-Ferret/webkit.js

void GraphicsContext::drawImageBuffer(ImageBuffer* image, ColorSpace styleColorSpace, const FloatRect& dest, const FloatRect& src, CompositeOperator op, BlendMode blendMode, bool useLowQualityScale)
{
    if (paintingDisabled() || !image)
        return;

    if (useLowQualityScale) {
        InterpolationQuality previousInterpolationQuality = imageInterpolationQuality();
        // FIXME (49002): Should be InterpolationLow
        setImageInterpolationQuality(InterpolationNone);
        image->draw(this, styleColorSpace, dest, src, op, blendMode, useLowQualityScale);
        setImageInterpolationQuality(previousInterpolationQuality);
    } else
        image->draw(this, styleColorSpace, dest, src, op, blendMode, useLowQualityScale);
}

示例#4

文件： GraphicsContext.cpp 项目： Katarzynasrom/patch-hosting-for-android-x86-support

void GraphicsContext::drawImage(Image* image, const FloatRect& dest, const FloatRect& src, CompositeOperator op, bool useLowQualityScale)
{
    if (paintingDisabled() || !image)
        return;

    float tsw = src.width();
    float tsh = src.height();
    float tw = dest.width();
    float th = dest.height();
        
    if (tsw == -1)
        tsw = image->width();
    if (tsh == -1)
        tsh = image->height();

    if (tw == -1)
        tw = image->width();
    if (th == -1)
        th = image->height();

    if (useLowQualityScale) {
        save();
        setImageInterpolationQuality(InterpolationNone);
    }
    image->draw(this, FloatRect(dest.location(), FloatSize(tw, th)), FloatRect(src.location(), FloatSize(tsw, tsh)), op);
    if (useLowQualityScale)
        restore();
}

示例#5

void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatRect& dest, const FloatRect& src, CompositeOperator op, BlendMode blendMode, RespectImageOrientationEnum shouldRespectImageOrientation, bool useLowQualityScale)
{    if (paintingDisabled() || !image)
        return;

    InterpolationQuality previousInterpolationQuality = InterpolationDefault;

    if (useLowQualityScale) {
        previousInterpolationQuality = imageInterpolationQuality();
        // FIXME (49002): Should be InterpolationLow
        setImageInterpolationQuality(InterpolationNone);
    }

    image->draw(this, dest, src, styleColorSpace, op, blendMode, shouldRespectImageOrientation);

    if (useLowQualityScale)
        setImageInterpolationQuality(previousInterpolationQuality);
}

示例#6

void GraphicsContext::drawTiledImage(Image* image, ColorSpace styleColorSpace, const IntRect& dest, const IntRect& srcRect, Image::TileRule hRule, Image::TileRule vRule, CompositeOperator op, bool useLowQualityScale)
{
    if (paintingDisabled() || !image)
        return;

    if (hRule == Image::StretchTile && vRule == Image::StretchTile) {
        // Just do a scale.
        drawImage(image, styleColorSpace, dest, srcRect, op);
        return;
    }

    if (useLowQualityScale) {
        InterpolationQuality previousInterpolationQuality = imageInterpolationQuality();
        setImageInterpolationQuality(InterpolationLow);
        image->drawTiled(this, dest, srcRect, hRule, vRule, styleColorSpace, op);
        setImageInterpolationQuality(previousInterpolationQuality);
    } else
        image->drawTiled(this, dest, srcRect, hRule, vRule, styleColorSpace, op);
}

示例#7

文件： GraphicsContext.cpp 项目： Spencerx/webkit

void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatRect& dest, const FloatRect& src, CompositeOperator op, RespectImageOrientationEnum shouldRespectImageOrientation, bool useLowQualityScale)
{
    if (paintingDisabled() || !image)
        return;

    float tsw = src.width();
    float tsh = src.height();
    float tw = dest.width();
    float th = dest.height();

    if (tsw == -1)
        tsw = image->width();
    if (tsh == -1)
        tsh = image->height();

    if (tw == -1)
        tw = image->width();
    if (th == -1)
        th = image->height();

    InterpolationQuality previousInterpolationQuality = InterpolationDefault;

    if (useLowQualityScale) {
        previousInterpolationQuality = imageInterpolationQuality();
#if PLATFORM(CHROMIUM)
        setImageInterpolationQuality(InterpolationLow);
#else
        // FIXME (49002): Should be InterpolationLow
        setImageInterpolationQuality(InterpolationNone);
#endif
    }

    if (image->isBitmapImage())
        static_cast<BitmapImage*>(image)->draw(this, FloatRect(dest.location(), FloatSize(tw, th)), FloatRect(src.location(), FloatSize(tsw, tsh)), styleColorSpace, op, shouldRespectImageOrientation);
    else
        image->draw(this, FloatRect(dest.location(), FloatSize(tw, th)), FloatRect(src.location(), FloatSize(tsw, tsh)), styleColorSpace, op);

    if (useLowQualityScale)
        setImageInterpolationQuality(previousInterpolationQuality);
}