C++ (Cpp) GFX_RECT_FROM_TWIPS_RECT Examples

Example #1

File: nsThebesRenderingContext.cpp Project: MozillaOnline/gecko-dev

NS_IMETHODIMP
nsThebesRenderingContext::SetClipRect(const nsRect& aRect,
                                      nsClipCombine aCombine)
{
    //return NS_OK;
    PR_LOG(gThebesGFXLog, PR_LOG_DEBUG, ("## %p nsTRC::SetClipRect [%d,%d,%d,%d] %d\n", this, aRect.x, aRect.y, aRect.width, aRect.height, aCombine));

    if (aCombine == nsClipCombine_kReplace) {
        mThebes->ResetClip();
    } else if (aCombine != nsClipCombine_kIntersect) {
        NS_WARNING("Unexpected usage of SetClipRect");
    }

    mThebes->NewPath();
    gfxRect clipRect(GFX_RECT_FROM_TWIPS_RECT(aRect));
    if (mThebes->UserToDevicePixelSnapped(clipRect, PR_TRUE)) {
        gfxMatrix mat(mThebes->CurrentMatrix());
        mThebes->IdentityMatrix();
        mThebes->Rectangle(clipRect);
        mThebes->SetMatrix(mat);
    } else {
        mThebes->Rectangle(clipRect);
    }

    mThebes->Clip();

    return NS_OK;
}

Example #2

void
nsRenderingContext::FillRect(const nsRect& aRect)
{
    gfxRect r(GFX_RECT_FROM_TWIPS_RECT(aRect));

    /* Clamp coordinates to work around a design bug in cairo */
    nscoord bigval = (nscoord)(CAIRO_COORD_MAX*mP2A);
    if (aRect.width > bigval ||
        aRect.height > bigval ||
        aRect.x < -bigval ||
        aRect.x > bigval ||
        aRect.y < -bigval ||
        aRect.y > bigval)
    {
        gfxMatrix mat = mThebes->CurrentMatrix();

        r = mat.Transform(r);

        if (!ConditionRect(r))
            return;

        mThebes->IdentityMatrix();
        mThebes->NewPath();

        mThebes->Rectangle(r, PR_TRUE);
        mThebes->Fill();
        mThebes->SetMatrix(mat);
    }

    mThebes->NewPath();
    mThebes->Rectangle(r, PR_TRUE);
    mThebes->Fill();
}

Example #3

void
nsRenderingContext::DrawRect(const nsRect& aRect)
{
    mThebes->NewPath();
    mThebes->Rectangle(GFX_RECT_FROM_TWIPS_RECT(aRect), PR_TRUE);
    mThebes->Stroke();
}

Example #4

File: nsThebesRenderingContext.cpp Project: MozillaOnline/gecko-dev

NS_IMETHODIMP
nsThebesRenderingContext::DrawRect(const nsRect& aRect)
{
    PR_LOG(gThebesGFXLog, PR_LOG_DEBUG, ("## %p nsTRC::DrawRect [%d,%d,%d,%d]\n", this, aRect.x, aRect.y, aRect.width, aRect.height));

    mThebes->NewPath();
    mThebes->Rectangle(GFX_RECT_FROM_TWIPS_RECT(aRect), PR_TRUE);
    mThebes->Stroke();

    return NS_OK;
}

Example #5

File: nsThebesRenderingContext.cpp Project: MozillaOnline/gecko-dev

NS_IMETHODIMP
nsThebesRenderingContext::PushFilter(const nsRect& twRect, PRBool aAreaIsOpaque, float aOpacity)
{
    PR_LOG(gThebesGFXLog, PR_LOG_DEBUG,
           ("## %p nsTRC::PushFilter [%d,%d,%d,%d] isOpaque: %d opacity: %f\n",
            this, twRect.x, twRect.y, twRect.width, twRect.height,
            aAreaIsOpaque, aOpacity));

    mOpacityArray.AppendElement(aOpacity);

    mThebes->Save();
    mThebes->Clip(GFX_RECT_FROM_TWIPS_RECT(twRect));
    mThebes->PushGroup(gfxASurface::CONTENT_COLOR_ALPHA);

    return NS_OK;
}

Example #6

void
nsRenderingContext::IntersectClip(const nsRect& aRect)
{
    mThebes->NewPath();
    gfxRect clipRect(GFX_RECT_FROM_TWIPS_RECT(aRect));
    if (mThebes->UserToDevicePixelSnapped(clipRect, PR_TRUE)) {
        gfxMatrix mat(mThebes->CurrentMatrix());
        mThebes->IdentityMatrix();
        mThebes->Rectangle(clipRect);
        mThebes->SetMatrix(mat);
    } else {
        mThebes->Rectangle(clipRect);
    }

    mThebes->Clip();
}

Example #7

File: nsRenderingContext.cpp Project: Gabuzo/mozilla-central

void
nsRenderingContext::IntersectClip(const nsRect& aRect)
{
    mThebes->NewPath();
    gfxRect clipRect(GFX_RECT_FROM_TWIPS_RECT(aRect));
    if (mThebes->UserToDevicePixelSnapped(clipRect, true)) {
        gfxMatrix mat(mThebes->CurrentMatrix());
        mat.Invert();
        clipRect = mat.Transform(clipRect);
        mThebes->Rectangle(clipRect);
    } else {
        mThebes->Rectangle(clipRect);
    }

    mThebes->Clip();
}

Example #8

File: nsThebesRenderingContext.cpp Project: MozillaOnline/gecko-dev

NS_IMETHODIMP
nsThebesRenderingContext::FillRect(const nsRect& aRect)
{
    PR_LOG(gThebesGFXLog, PR_LOG_DEBUG, ("## %p nsTRC::FillRect [%d,%d,%d,%d]\n", this, aRect.x, aRect.y, aRect.width, aRect.height));

    gfxRect r(GFX_RECT_FROM_TWIPS_RECT(aRect));

    /* Clamp coordinates to work around a design bug in cairo */
    nscoord bigval = (nscoord)(CAIRO_COORD_MAX*mP2A);
    if (aRect.width > bigval ||
        aRect.height > bigval ||
        aRect.x < -bigval ||
        aRect.x > bigval ||
        aRect.y < -bigval ||
        aRect.y > bigval)
    {
        gfxMatrix mat = mThebes->CurrentMatrix();

        r = mat.Transform(r);

        if (!ConditionRect(r))
            return NS_OK;

        mThebes->IdentityMatrix();
        mThebes->NewPath();

        PR_LOG(gThebesGFXLog, PR_LOG_DEBUG, ("## %p nsTRC::FillRect conditioned to [%f,%f,%f,%f]\n", this, r.pos.x, r.pos.y, r.size.width, r.size.height));

        mThebes->Rectangle(r, PR_TRUE);
        mThebes->Fill();
        mThebes->SetMatrix(mat);

        return NS_OK;
    }

    PR_LOG(gThebesGFXLog, PR_LOG_DEBUG, ("## %p nsTRC::FillRect raw [%f,%f,%f,%f]\n", this, r.pos.x, r.pos.y, r.size.width, r.size.height));

    mThebes->NewPath();
    mThebes->Rectangle(r, PR_TRUE);
    mThebes->Fill();

    return NS_OK;
}