C++ SkIRect::set方法代码示例

void RenderSkinButton::Draw(SkCanvas* canvas, const IntRect& r, RenderSkinAndroid::State newState)
{
    // If we failed to decode, do nothing.  This way the browser still works,
    // and webkit will still draw the label and layout space for us.
    if (!gDecoded) {
        return;
    }
    
    // Ensure that the state is within the valid range of our array.
    SkASSERT(static_cast<unsigned>(newState) < 
            static_cast<unsigned>(RenderSkinAndroid::kNumStates));

    // Set up the ninepatch information for drawing.
    SkRect bounds(r);
    const PatchData& pd = gFiles[newState];
    int marginValue = pd.margin + pd.outset;

    SkIRect margin;

    margin.set(marginValue, marginValue, marginValue, marginValue);
    if (gHighRes) {
    /* FIXME: it shoudn't be necessary to offset the button here,
       but gives the right results. */
        bounds.offset(0, SK_Scalar1 * 2);
    /* FIXME: This temporarily gets around the fact that the margin values and
       positioning were created for a low res asset, which was used on
       g1-like devices. A better fix would be to read the offset information
       out of the png. */
        margin.set(10, 9, 10, 14);
    }
    // Draw to the canvas.
    SkNinePatch::DrawNine(canvas, bounds, gButton[newState], margin);
}

void ScrollbarThemeChromiumLinux::paintThumb(GraphicsContext* gc, Scrollbar* scrollbar, const IntRect& rect)
{
    const bool hovered = scrollbar->hoveredPart() == ThumbPart;
    const int midx = rect.x() + rect.width() / 2;
    const int midy = rect.y() + rect.height() / 2;
    const bool vertical = scrollbar->orientation() == VerticalScrollbar;
    SkCanvas* const canvas = gc->platformContext()->canvas();

    SkScalar thumb[3];
    SkColorToHSV(hovered
                 ? PlatformThemeChromiumGtk::thumbActiveColor()
                 : PlatformThemeChromiumGtk::thumbInactiveColor(),
                 thumb);

    SkPaint paint;
    paint.setColor(PlatformThemeChromiumGtk::saturateAndBrighten(thumb, 0, 0.02));

    SkIRect skrect;
    if (vertical)
        skrect.set(rect.x(), rect.y(), midx + 1, rect.y() + rect.height());
    else
        skrect.set(rect.x(), rect.y(), rect.x() + rect.width(), midy + 1);

    canvas->drawIRect(skrect, paint);

    paint.setColor(PlatformThemeChromiumGtk::saturateAndBrighten(thumb, 0, -0.02));

    if (vertical)
        skrect.set(midx + 1, rect.y(), rect.x() + rect.width(), rect.y() + rect.height());
    else
        skrect.set(rect.x(), midy + 1, rect.x() + rect.width(), rect.y() + rect.height());

    canvas->drawIRect(skrect, paint);

    SkScalar track[3];
    SkColorToHSV(PlatformThemeChromiumGtk::trackColor(), track);
    paint.setColor(PlatformThemeChromiumGtk::outlineColor(track, thumb));
    drawBox(canvas, rect, paint);

    if (rect.height() > 10 && rect.width() > 10) {
        const int grippyHalfWidth = 2;
        const int interGrippyOffset = 3;
        if (vertical) {
            drawHorizLine(canvas, midx - grippyHalfWidth, midx + grippyHalfWidth, midy - interGrippyOffset, paint);
            drawHorizLine(canvas, midx - grippyHalfWidth, midx + grippyHalfWidth, midy,                     paint);
            drawHorizLine(canvas, midx - grippyHalfWidth, midx + grippyHalfWidth, midy + interGrippyOffset, paint);
        } else {
            drawVertLine(canvas, midx - interGrippyOffset, midy - grippyHalfWidth, midy + grippyHalfWidth, paint);
            drawVertLine(canvas, midx,                     midy - grippyHalfWidth, midy + grippyHalfWidth, paint);
            drawVertLine(canvas, midx + interGrippyOffset, midy - grippyHalfWidth, midy + grippyHalfWidth, paint);
        }
    }
}

static void show_bm(SkCanvas* canvas, int width, int height, SkColor color) {
    SkBitmap bm;
    make_bm(&bm, width, height, color);

    SkPaint paint;
    SkRect r;
    SkIRect ir;

    paint.setStyle(SkPaint::kStroke_Style);

    ir.set(0, 0, 128, 128);
    r.set(ir);

    canvas->save();
    canvas->clipRect(r);
    canvas->drawBitmap(bm, 0, 0, NULL);
    canvas->restore();
    canvas->drawRect(r, paint);

    r.offset(SkIntToScalar(150), 0);
    // exercises extract bitmap, but not shader
    canvas->drawBitmapRect(bm, &ir, r, NULL);
    canvas->drawRect(r, paint);

    r.offset(SkIntToScalar(150), 0);
    // exercises bitmapshader
    canvas->drawBitmapRect(bm, NULL, r, NULL);
    canvas->drawRect(r, paint);
}

static SkIRect webRectToSkIRect(const WebRect& webRect)
{
    SkIRect irect;
    irect.set(webRect.x, webRect.y,
        webRect.x + webRect.width - 1, webRect.y + webRect.height - 1);
    return irect;
}

    virtual void onDraw(SkCanvas* canvas) {
        this->drawBG(canvas);

      //  canvas->scale(1.5f, 1.5f);
        
        canvas->drawBitmap(fBM, 0, 0);
        
        SkIRect margins;
        SkRect  dst;
        int d = 25;
        
        margins.set(d, d, d, d);
        margins.fLeft   = fBM.width()/2 - 1;
        margins.fTop    = fBM.height()/2 - 1;
        margins.fRight  = fBM.width() - margins.fLeft - 1;
        margins.fBottom = fBM.height() - margins.fTop - 1;

   //     canvas->translate(fX/5, fY/5);
        canvas->translate(0, 76);

        dst.set(0, 0, SkIntToScalar(200), SkIntToScalar(200));
        
        SkPaint paint;
        paint.setAntiAlias(false);
        paint.setDither(true);
        paint.setFilterBitmap(false);
    //    SkNinePatch::DrawNine(canvas, dst, fBM, margins, &paint);
        test_rects(canvas, fBM, &paint);
    }

void addCornerArc(SkPath* path, const SkRect& rect, const IntSize& size, int startAngle)
{
    SkIRect ir;
    int rx = SkMin32(SkScalarRound(rect.width()), size.width());
    int ry = SkMin32(SkScalarRound(rect.height()), size.height());

    ir.set(-rx, -ry, rx, ry);
    switch (startAngle) {
    case 0:
        ir.offset(rect.fRight - ir.fRight, rect.fBottom - ir.fBottom);
        break;
    case 90:
        ir.offset(rect.fLeft - ir.fLeft, rect.fBottom - ir.fBottom);
        break;
    case 180:
        ir.offset(rect.fLeft - ir.fLeft, rect.fTop - ir.fTop);
        break;
    case 270:
        ir.offset(rect.fRight - ir.fRight, rect.fTop - ir.fTop);
        break;
    default:
        ASSERT(0);
    }

    SkRect r;
    r.set(ir);
    path->arcTo(r, SkIntToScalar(startAngle), SkIntToScalar(90), false);
}

bool Snapshot::clipRegionOp(float left, float top, float right, float bottom, SkRegion::Op op) {
    SkIRect tmp;
    tmp.set(left, top, right, bottom);
    clipRegion->op(tmp, op);
    copyClipRectFromRegion();
    return true;
}

void RenderSkinButton::Draw(SkCanvas* canvas, const IntRect& r, RenderSkinAndroid::State newState)
{
    // If we failed to decode, do nothing.  This way the browser still works,
    // and webkit will still draw the label and layout space for us.
    if (!gDecoded) {
        return;
    }
    
    // Ensure that the state is within the valid range of our array.
    SkASSERT(static_cast<unsigned>(newState) < 
            static_cast<unsigned>(RenderSkinAndroid::kNumStates));

    // Set up the ninepatch information for drawing.
    SkRect bounds;
    android_setrect(&bounds, r);
    const PatchData& pd = gFiles[newState];
    int marginValue = pd.margin + pd.outset;

    SkIRect margin;

    margin.set(marginValue, marginValue, marginValue, marginValue);
    
    // Draw to the canvas.
    SkNinePatch::DrawNine(canvas, bounds, gButton[newState], margin);
}

 virtual void onDraw(SkCanvas* canvas)
 {
     this->drawBG(canvas);
     
     canvas->drawBitmap(fBitmap, 0, 0, NULL);
     
     SkIRect subset;
     const int SRC_WIDTH = 16;
     const int SRC_HEIGHT = 16;
     
     subset.set(0, 0, SRC_WIDTH, SRC_HEIGHT);
     subset.offset(fCurrX, fCurrY);
     
     SkDebugf("---- src x=%d y=%d\n", subset.fLeft, subset.fTop);
     
     SkRect  dst0, dst1;
     SkScalar y = SkIntToScalar(fBitmap.height() + 16);
     
     dst0.set(SkIntToScalar(50), y,
              SkIntToScalar(50+SRC_WIDTH),
              y + SkIntToScalar(SRC_HEIGHT));
     dst1 = dst0;
     dst1.offset(SkIntToScalar(200), 0);
     dst1.fRight = dst1.fLeft + 8 * dst0.width();
     dst1.fBottom = dst1.fTop + 8 * dst0.height();
     
     canvas->drawBitmapRect(fBitmap, &subset, dst0, NULL);
     canvas->drawBitmapRect(fBitmap, &subset, dst1, NULL);
     
     SkPaint paint;
     paint.setColor(0x88FF0000);
     canvas->drawRect(dst0, paint);
     paint.setColor(0x880000FF);
     canvas->drawRect(dst1, paint);
 }

void WebTestThemeControlWin::nestedBoxes(int indentLeft, int indentTop, int indentRight, int indentBottom, SkColor outerColor, SkColor innerColor)
{
    SkIRect lirect;
    box(m_irect, outerColor);
    lirect.set(m_irect.fLeft + indentLeft, m_irect.fTop + indentTop, m_irect.fRight - indentRight, m_irect.fBottom - indentBottom);
    box(lirect, innerColor);
}

void SkPageFlipper::inval(const SkIRect& rect) {
    SkIRect r;
    r.set(0, 0, fWidth, fHeight);
    if (r.intersect(rect)) {
        fDirty1->op(r, SkRegion::kUnion_Op);
    }
}

static jboolean Region_op0(JNIEnv* env, jobject, jlong dstHandle, jint left, jint top, jint right, jint bottom, jint op) {
    SkRegion* dst = reinterpret_cast<SkRegion*>(dstHandle);
    SkIRect ir;

    ir.set(left, top, right, bottom);
    bool result = dst->op(ir, (SkRegion::Op)op);
    return boolTojboolean(result);
}

static void make_rgn(SkRegion* rgn, int left, int top, int right, int bottom,
                     size_t count, int32_t runs[]) {
    SkIRect r;
    r.set(left, top, right, bottom);
    
    rgn->debugSetRuns(runs, count);
    SkASSERT(rgn->getBounds() == r);
}

// stolen from SkDraw.cpp - D1G_NoBounder_RectClip
static void SkGL_Draw1Glyph(const SkDraw1Glyph& state, const SkGlyph& glyph,
                            int x, int y) {
    SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0);

    SkGLDrawProcs* procs = (SkGLDrawProcs*)state.fDraw->fProcs;
    
    x += glyph.fLeft;
    y  += glyph.fTop;
    
    // check if we're clipped out (nothing to draw)
	SkIRect bounds;
	bounds.set(x, y, x + glyph.fWidth, y + glyph.fHeight);
    if (!SkIRect::Intersects(state.fClip->getBounds(), bounds)) {
        return;
    }
    
    // now dig up our texture cache
    
    SkGlyphCache* gcache = state.fCache;
    void* auxData;
    SkGLTextCache* textCache = NULL;
    
    if (gcache->getAuxProcData(SkGLDevice::GlyphCacheAuxProc, &auxData)) {
        textCache = (SkGLTextCache*)auxData;            
    }
    if (NULL == textCache) {
        // need to create one
        textCache = SkNEW(SkGLTextCache);
        gcache->setAuxProc(SkGLDevice::GlyphCacheAuxProc, textCache);
    }
    
    int offset;
    SkGLTextCache::Strike* strike = textCache->findGlyph(glyph, &offset);
    if (NULL == strike) {
        // make sure the glyph has an image
        uint8_t* aa = (uint8_t*)glyph.fImage;               
        if (NULL == aa) {
            aa = (uint8_t*)gcache->findImage(glyph);
            if (NULL == aa) {
                return; // can't rasterize glyph
            }
        }
        strike = textCache->addGlyphAndBind(glyph, aa, &offset);
        if (NULL == strike) {
            // too big to cache, need to draw as is...
            return;
        }
    }
    
    const int shiftW = strike->widthShift();
    const int shiftH = strike->heightShift();
    
    SkFixed left = offset << (16 - shiftW);
    SkFixed right = (offset + glyph.fWidth) << (16 - shiftW);
    SkFixed bottom = glyph.fHeight << (16 - shiftH);

    procs->addQuad(strike->texture(), x, y, glyph, left, right, bottom);
}

bool RenderThemeChromiumSkia::paintSliderThumb(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& rect)
{
    // Make a thumb similar to the scrollbar thumb.
    const bool hovered = isHovered(o) || toRenderSlider(o->parent())->inDragMode();
    const int midx = rect.x() + rect.width() / 2;
    const int midy = rect.y() + rect.height() / 2;
    const bool vertical = (o->style()->appearance() == SliderThumbVerticalPart);
    SkCanvas* const canvas = i.context->platformContext()->canvas();

    const SkColor thumbLightGrey = SkColorSetARGB(0xff, 0xf4, 0xf2, 0xef);
    const SkColor thumbDarkGrey = SkColorSetARGB(0xff, 0xea, 0xe5, 0xe0);
    SkPaint paint;
    paint.setColor(hovered ? SK_ColorWHITE : thumbLightGrey);

    SkIRect skrect;
    if (vertical)
        skrect.set(rect.x(), rect.y(), midx + 1, rect.bottom());
    else
        skrect.set(rect.x(), rect.y(), rect.right(), midy + 1);

    canvas->drawIRect(skrect, paint);

    paint.setColor(hovered ? thumbLightGrey : thumbDarkGrey);

    if (vertical)
        skrect.set(midx + 1, rect.y(), rect.right(), rect.bottom());
    else
        skrect.set(rect.x(), midy + 1, rect.right(), rect.bottom());

    canvas->drawIRect(skrect, paint);

    const SkColor borderDarkGrey = SkColorSetARGB(0xff, 0x9d, 0x96, 0x8e);
    paint.setColor(borderDarkGrey);
    drawBox(canvas, rect, paint);

    if (rect.height() > 10 && rect.width() > 10) {
        drawHorizLine(canvas, midx - 2, midx + 2, midy, paint);
        drawHorizLine(canvas, midx - 2, midx + 2, midy - 3, paint);
        drawHorizLine(canvas, midx - 2, midx + 2, midy + 3, paint);
    }

    return false;
}