void paintSkiaText(GraphicsContext* context,
HFONT hfont,
int numGlyphs,
const WORD* glyphs,
const int* advances,
const GOFFSET* offsets,
const SkPoint* origin)
{
HDC dc = GetDC(0);
HGDIOBJ oldFont = SelectObject(dc, hfont);
PlatformContextSkia* platformContext = context->platformContext();
SkCanvas* canvas = platformContext->canvas();
TextDrawingModeFlags textMode = platformContext->getTextDrawingMode();
// If platformContext is GPU-backed make its GL context current.
platformContext->makeGrContextCurrent();
// Filling (if necessary). This is the common case.
SkPaint paint;
platformContext->setupPaintForFilling(&paint);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
setupPaintForFont(hfont, &paint, platformContext);
bool didFill = false;
if ((textMode & TextModeFill) && (SkColorGetA(paint.getColor()) || paint.getLooper())) {
skiaDrawText(canvas, *origin, &paint, &glyphs[0], &advances[0], &offsets[0], numGlyphs);
didFill = true;
}
// Stroking on top (if necessary).
if ((textMode & TextModeStroke)
&& platformContext->getStrokeStyle() != NoStroke
&& platformContext->getStrokeThickness() > 0) {
paint.reset();
platformContext->setupPaintForStroking(&paint, 0, 0);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
setupPaintForFont(hfont, &paint, platformContext);
if (didFill) {
// If there is a shadow and we filled above, there will already be
// a shadow. We don't want to draw it again or it will be too dark
// and it will go on top of the fill.
//
// Note that this isn't strictly correct, since the stroke could be
// very thick and the shadow wouldn't account for this. The "right"
// thing would be to draw to a new layer and then draw that layer
// with a shadow. But this is a lot of extra work for something
// that isn't normally an issue.
paint.setLooper(0);
}
skiaDrawText(canvas, *origin, &paint, &glyphs[0], &advances[0], &offsets[0], numGlyphs);
}
SelectObject(dc, oldFont);
ReleaseDC(0, dc);
}
void GraphicsContext::drawConvexPolygon(size_t numPoints,
const FloatPoint* points,
bool shouldAntialias)
{
if (paintingDisabled())
return;
if (numPoints <= 1)
return;
SkPath path;
setPathFromConvexPoints(&path, numPoints, points);
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
paint.setAntiAlias(shouldAntialias);
platformContext()->canvas()->drawPath(path, paint);
platformContext()->didDrawPath(path, paint);
if (strokeStyle() != NoStroke) {
paint.reset();
platformContext()->setupPaintForStroking(&paint, 0, 0);
platformContext()->canvas()->drawPath(path, paint);
platformContext()->didDrawPath(path, paint);
}
}
static SkScalar draw_row(SkCanvas* canvas, const SkBitmap& bm) {
//此为canvas的save操作
//在超过了作用域之后，会自动调用restore函数
SkAutoCanvasRestore acr(canvas, true);
SkPaint paint;
SkScalar x = 0;
const int scale = 64;
//开启抗锯齿 ： 见百度百科
paint.setAntiAlias(true);
//绘制行首文字 ： 见结果图每行行头文字
const char* name = gConfigNames[bm.config()];
canvas->drawText(name, strlen(name), x, SkIntToScalar(bm.height())*scale*5/8,
paint);
//平移到(48, 0)？？？为何是48--牛群
canvas->translate(SkIntToScalar(192), 0);
//缩放 ： x,y轴乘各乘以一个系数, 进行放大或缩小.： 此处因为４个像素很小,所以进行了放大.
canvas->scale(SkIntToScalar(scale), SkIntToScalar(scale));
/*逐个画每行的6个方块*/
//画前三个, 正常的, 滤镜的, 滤镜+防抖动的.
x += draw_set(canvas, bm, 0, &paint);
//画笔复原
paint.reset();
/*开启透明, 画后三个, 正常的, 滤镜的, 滤镜+防抖动的. */
paint.setAlpha(0x80);
draw_set(canvas, bm, x, &paint);
return x * scale / 3;
}
void PlatformContextSkiaJava::drawRect(SkRect rect)
{
SkPaint paint;
int fillcolorNotTransparent = m_state->m_fillColor & 0xFF000000;
if (fillcolorNotTransparent) {
setupPaintForFilling(&paint);
canvas()->drawRect(rect, paint);
}
if (m_state->m_strokeStyle != WebCore::NoStroke &&
(m_state->m_strokeColor & 0xFF000000)) {
// We do a fill of four rects to simulate the stroke of a border.
SkColor oldFillColor = m_state->m_fillColor;
// setFillColor() will set the shader to NULL, so save a ref to it now.
SkShader* oldFillShader = m_state->m_fillShader;
oldFillShader->safeRef();
setFillColor(m_state->m_strokeColor);
paint.reset();
setupPaintForFilling(&paint);
SkRect topBorder = { rect.fLeft, rect.fTop, rect.fRight, rect.fTop + 1 };
canvas()->drawRect(topBorder, paint);
SkRect bottomBorder = { rect.fLeft, rect.fBottom - 1, rect.fRight, rect.fBottom };
canvas()->drawRect(bottomBorder, paint);
SkRect leftBorder = { rect.fLeft, rect.fTop + 1, rect.fLeft + 1, rect.fBottom - 1 };
canvas()->drawRect(leftBorder, paint);
SkRect rightBorder = { rect.fRight - 1, rect.fTop + 1, rect.fRight, rect.fBottom - 1 };
canvas()->drawRect(rightBorder, paint);
setFillColor(oldFillColor);
setFillShader(oldFillShader);
oldFillShader->safeUnref();
}
}
void PlatformGraphicsContextSkia::drawConvexPolygon(size_t numPoints,
const FloatPoint* points,
bool shouldAntialias)
{
if (numPoints <= 1)
return;
SkPaint paint;
SkPath path;
path.incReserve(numPoints);
path.moveTo(SkFloatToScalar(points[0].x()), SkFloatToScalar(points[0].y()));
for (size_t i = 1; i < numPoints; i++)
path.lineTo(SkFloatToScalar(points[i].x()), SkFloatToScalar(points[i].y()));
if (mCanvas->quickReject(path, shouldAntialias ?
SkCanvas::kAA_EdgeType : SkCanvas::kBW_EdgeType)) {
return;
}
if (m_state->fillColor & 0xFF000000) {
setupPaintFill(&paint);
paint.setAntiAlias(shouldAntialias);
mCanvas->drawPath(path, paint);
}
if (m_state->strokeStyle != NoStroke) {
paint.reset();
setupPaintStroke(&paint, 0);
paint.setAntiAlias(shouldAntialias);
mCanvas->drawPath(path, paint);
}
}
void PlatformContextSkia::drawRect(SkRect rect)
{
SkPaint paint;
int fillcolorNotTransparent = m_state->m_fillColor & 0xFF000000;
if (fillcolorNotTransparent) {
setupPaintForFilling(&paint);
drawRect(rect, paint);
}
if (m_state->m_strokeStyle != NoStroke
&& (m_state->m_strokeColor & 0xFF000000)) {
// We do a fill of four rects to simulate the stroke of a border.
paint.reset();
setupPaintForFilling(&paint);
// need to jam in the strokeColor
paint.setColor(this->effectiveStrokeColor());
SkRect topBorder = { rect.fLeft, rect.fTop, rect.fRight, rect.fTop + 1 };
drawRect(topBorder, paint);
SkRect bottomBorder = { rect.fLeft, rect.fBottom - 1, rect.fRight, rect.fBottom };
drawRect(bottomBorder, paint);
SkRect leftBorder = { rect.fLeft, rect.fTop + 1, rect.fLeft + 1, rect.fBottom - 1 };
drawRect(leftBorder, paint);
SkRect rightBorder = { rect.fRight - 1, rect.fTop + 1, rect.fRight, rect.fBottom - 1 };
drawRect(rightBorder, paint);
}
}
void GraphicsContext::drawConvexPolygon(size_t numPoints,
const FloatPoint* points,
bool shouldAntialias)
{
if (paintingDisabled())
return;
if (numPoints <= 1)
return;
platformContext()->prepareForSoftwareDraw();
SkPath path;
path.incReserve(numPoints);
path.moveTo(WebCoreFloatToSkScalar(points[0].x()),
WebCoreFloatToSkScalar(points[0].y()));
for (size_t i = 1; i < numPoints; i++) {
path.lineTo(WebCoreFloatToSkScalar(points[i].x()),
WebCoreFloatToSkScalar(points[i].y()));
}
if (!isPathSkiaSafe(getCTM(), path))
return;
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawPath(path, paint);
if (strokeStyle() != NoStroke) {
paint.reset();
platformContext()->setupPaintForStroking(&paint, 0, 0);
platformContext()->canvas()->drawPath(path, paint);
}
}
void paintSkiaText(GraphicsContext* context,
HFONT hfont,
int numGlyphs,
const WORD* glyphs,
const int* advances,
const GOFFSET* offsets,
const SkPoint* origin)
{
PlatformContextSkia* platformContext = context->platformContext();
SkCanvas* canvas = platformContext->canvas();
TextDrawingModeFlags textMode = platformContext->getTextDrawingMode();
// Ensure font load for printing, because PDF device needs it.
if (canvas->getTopDevice()->getDeviceCapabilities() & SkDevice::kVector_Capability)
PlatformSupport::ensureFontLoaded(hfont);
// Filling (if necessary). This is the common case.
SkPaint paint;
platformContext->setupPaintForFilling(&paint);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
setupPaintForFont(hfont, &paint, platformContext);
bool didFill = false;
if ((textMode & TextModeFill) && (SkColorGetA(paint.getColor()) || paint.getLooper())) {
skiaDrawText(canvas, *origin, &paint, &glyphs[0], &advances[0], &offsets[0], numGlyphs);
didFill = true;
}
// Stroking on top (if necessary).
if ((textMode & TextModeStroke)
&& platformContext->getStrokeStyle() != NoStroke
&& platformContext->getStrokeThickness() > 0) {
paint.reset();
platformContext->setupPaintForStroking(&paint, 0, 0);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
setupPaintForFont(hfont, &paint, platformContext);
if (didFill) {
// If there is a shadow and we filled above, there will already be
// a shadow. We don't want to draw it again or it will be too dark
// and it will go on top of the fill.
//
// Note that this isn't strictly correct, since the stroke could be
// very thick and the shadow wouldn't account for this. The "right"
// thing would be to draw to a new layer and then draw that layer
// with a shadow. But this is a lot of extra work for something
// that isn't normally an issue.
paint.setLooper(0);
}
skiaDrawText(canvas, *origin, &paint, &glyphs[0], &advances[0], &offsets[0], numGlyphs);
}
}
static void paintSkiaText(GraphicsContext* context, HFONT hfont,
SkTypeface* face, float size, uint32_t textFlags,
int numGlyphs,
const WORD* glyphs,
const int* advances,
const GOFFSET* offsets,
const SkPoint& origin,
const SkRect& textRect)
{
TextDrawingModeFlags textMode = context->textDrawingMode();
// Ensure font load for printing, because PDF device needs it.
if (context->isPrintingDevice())
FontPlatformData::ensureFontLoaded(hfont);
// Filling (if necessary). This is the common case.
SkPaint paint;
context->setupPaintForFilling(&paint);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
setupPaintForFont(&paint, context, face, size, textFlags);
bool didFill = false;
if ((textMode & TextModeFill) && (SkColorGetA(paint.getColor()) || paint.getLooper())) {
skiaDrawText(context, origin, textRect, &paint, &glyphs[0], &advances[0], &offsets[0], numGlyphs);
didFill = true;
}
// Stroking on top (if necessary).
if ((textMode & TextModeStroke)
&& context->strokeStyle() != NoStroke
&& context->strokeThickness() > 0) {
paint.reset();
context->setupPaintForStroking(&paint);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
setupPaintForFont(&paint, context, face, size, textFlags);
if (didFill) {
// If there is a shadow and we filled above, there will already be
// a shadow. We don't want to draw it again or it will be too dark
// and it will go on top of the fill.
//
// Note that this isn't strictly correct, since the stroke could be
// very thick and the shadow wouldn't account for this. The "right"
// thing would be to draw to a new layer and then draw that layer
// with a shadow. But this is a lot of extra work for something
// that isn't normally an issue.
paint.setLooper(0);
}
skiaDrawText(context, origin, textRect, &paint, &glyphs[0], &advances[0], &offsets[0], numGlyphs);
}
}
static void paintOp_rp(SkCanvas*, SkReader32* reader, uint32_t op32,
SkGPipeState* state) {
size_t offset = reader->offset();
size_t stop = offset + PaintOp_unpackData(op32);
SkPaint* p = state->editPaint();
do {
uint32_t p32 = reader->readU32();
unsigned op = PaintOp_unpackOp(p32);
unsigned data = PaintOp_unpackData(p32);
// SkDebugf(" read %08X op=%d flags=%d data=%d\n", p32, op, done, data);
switch (op) {
case kReset_PaintOp: p->reset(); break;
case kFlags_PaintOp: p->setFlags(data); break;
case kColor_PaintOp: p->setColor(reader->readU32()); break;
case kFilterLevel_PaintOp: p->setFilterQuality((SkFilterQuality)data); break;
case kStyle_PaintOp: p->setStyle((SkPaint::Style)data); break;
case kJoin_PaintOp: p->setStrokeJoin((SkPaint::Join)data); break;
case kCap_PaintOp: p->setStrokeCap((SkPaint::Cap)data); break;
case kWidth_PaintOp: p->setStrokeWidth(reader->readScalar()); break;
case kMiter_PaintOp: p->setStrokeMiter(reader->readScalar()); break;
case kEncoding_PaintOp:
p->setTextEncoding((SkPaint::TextEncoding)data);
break;
case kHinting_PaintOp: p->setHinting((SkPaint::Hinting)data); break;
case kAlign_PaintOp: p->setTextAlign((SkPaint::Align)data); break;
case kTextSize_PaintOp: p->setTextSize(reader->readScalar()); break;
case kTextScaleX_PaintOp: p->setTextScaleX(reader->readScalar()); break;
case kTextSkewX_PaintOp: p->setTextSkewX(reader->readScalar()); break;
case kFlatIndex_PaintOp: {
PaintFlats pf = (PaintFlats)PaintOp_unpackFlags(p32);
unsigned index = data;
set_paintflat(p, state->getFlat(index), pf);
break;
}
case kTypeface_PaintOp:
SkASSERT(SkToBool(state->getFlags() &
SkGPipeWriter::kCrossProcess_Flag));
p->setTypeface(state->getTypeface(data));
break;
default: SkDEBUGFAIL("bad paintop"); return;
}
SkASSERT(reader->offset() <= stop);
} while (reader->offset() < stop);
}
void PlatformGraphicsContextSkia::drawEllipse(const IntRect& rect)
{
SkPaint paint;
SkRect oval(rect);
if (m_state->fillColor & 0xFF000000) {
setupPaintFill(&paint);
mCanvas->drawOval(oval, paint);
}
if (m_state->strokeStyle != NoStroke) {
paint.reset();
setupPaintStroke(&paint, &oval);
mCanvas->drawOval(oval, paint);
}
}
void mbe_copy_source(mbe_t *src, mbe_t *dst) {
SkPaint *paint = dst->paint;
const SkBitmap *bmap;
SkXfermode *mode;
/* _prepare_paint(dst, SkPaint::kFill_Style); */
mode = SkXfermode::Create(SkXfermode::kSrc_Mode);
paint->setXfermode(mode);
bmap = &src->canvas->getDevice()->accessBitmap(false);
dst->canvas->drawBitmap(*bmap, 0, 0, paint);
paint->reset();
mode->unref();
/* _finish_paint(dst); */
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& elipseRect)
{
if (paintingDisabled())
return;
SkRect rect = elipseRect;
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawOval(rect, paint);
platformContext()->didDrawBounded(rect, paint);
if (strokeStyle() != NoStroke) {
paint.reset();
platformContext()->setupPaintForStroking(&paint, &rect, 0);
platformContext()->canvas()->drawOval(rect, paint);
platformContext()->didDrawBounded(rect, paint);
}
}
// Draws a filled rectangle with a stroked border.
void GraphicsContext::drawRect(const IntRect& rect)
{
if (paintingDisabled())
return;
SkPaint paint;
SkRect r(rect);
if (fillColor().alpha()) {
m_data->setup_paint_fill(&paint);
GC2Canvas(this)->drawRect(r, paint);
}
if (strokeStyle() != NoStroke && strokeColor().alpha()) {
paint.reset();
m_data->setup_paint_stroke(&paint, &r);
GC2Canvas(this)->drawRect(r, paint);
}
}
void PlatformContextSkia::drawRect(SkRect rect)
{
SkPaint paint;
int fillcolorNotTransparent = m_state->m_fillColor & 0xFF000000;
if (fillcolorNotTransparent) {
setupPaintForFilling(&paint);
canvas()->drawRect(rect, paint);
}
if (m_state->m_strokeStyle != WebCore::NoStroke &&
(m_state->m_strokeColor & 0xFF000000)) {
if (fillcolorNotTransparent) {
// This call is expensive so don't call it unnecessarily.
paint.reset();
}
setupPaintForStroking(&paint, &rect, 0);
canvas()->drawRect(rect, paint);
}
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& elipseRect)
{
if (paintingDisabled())
return;
SkRect rect = elipseRect;
if (!isRectSkiaSafe(getCTM(), rect))
return;
platformContext()->prepareForSoftwareDraw();
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawOval(rect, paint);
if (strokeStyle() != NoStroke) {
paint.reset();
platformContext()->setupPaintForStroking(&paint, &rect, 0);
platformContext()->canvas()->drawOval(rect, paint);
}
}
static SkScalar draw_row(SkCanvas* canvas, const SkBitmap& bm) {
SkAutoCanvasRestore acr(canvas, true);
SkPaint paint;
SkScalar x = 0;
const int scale = 32;
paint.setAntiAlias(true);
const char* name = gConfigNames[bm.config()];
canvas->drawText(name, strlen(name), x, SkIntToScalar(bm.height())*scale*5/8,
paint);
canvas->translate(SkIntToScalar(48), 0);
canvas->scale(SkIntToScalar(scale), SkIntToScalar(scale));
x += draw_set(canvas, bm, 0, &paint);
paint.reset();
paint.setAlpha(0x80);
draw_set(canvas, bm, x, &paint);
return x * scale / 3;
}
static SkScalar draw_row(SkCanvas* canvas, const SkBitmap& bm) {
SkAutoCanvasRestore acr(canvas, true);
SkPaint paint;
SkScalar x = 0;
const int scale = 32;
paint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&paint);
const char* name = sk_tool_utils::colortype_name(bm.colorType());
canvas->drawText(name, strlen(name), x, SkIntToScalar(bm.height())*scale*5/8,
paint);
canvas->translate(SkIntToScalar(48), 0);
canvas->scale(SkIntToScalar(scale), SkIntToScalar(scale));
x += draw_set(canvas, bm, 0, &paint);
paint.reset();
paint.setAlpha(0x80);
draw_set(canvas, bm, x, &paint);
return x * scale / 3;
}
static void test_backToFront(skiatest::Reporter* reporter) {
SkLayerDrawLooper::Builder looperBuilder;
SkLayerDrawLooper::LayerInfo layerInfo;
// Add the back layer, with the defaults.
(void)looperBuilder.addLayerOnTop(layerInfo);
// Add the front layer, with some layer info set.
layerInfo.fOffset.set(10.0f, 20.0f);
layerInfo.fPaintBits |= SkLayerDrawLooper::kXfermode_Bit;
SkPaint* layerPaint = looperBuilder.addLayerOnTop(layerInfo);
layerPaint->setBlendMode(SkBlendMode::kSrc);
FakeDevice device;
SkCanvas canvas(&device);
SkPaint paint;
auto looper(looperBuilder.detach());
SkArenaAlloc alloc{48};
SkDrawLooper::Context* context = looper->makeContext(&canvas, &alloc);
// The back layer should come first.
REPORTER_ASSERT(reporter, context->next(&canvas, &paint));
REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrcOver);
canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint);
REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateX());
REPORTER_ASSERT(reporter, 0.0f == device.fLastMatrix.getTranslateY());
paint.reset();
// Then the front layer.
REPORTER_ASSERT(reporter, context->next(&canvas, &paint));
REPORTER_ASSERT(reporter, paint.getBlendMode() == SkBlendMode::kSrc);
canvas.drawRect(SkRect::MakeWH(50.0f, 50.0f), paint);
REPORTER_ASSERT(reporter, 10.0f == device.fLastMatrix.getTranslateX());
REPORTER_ASSERT(reporter, 20.0f == device.fLastMatrix.getTranslateY());
// Only two layers were added, so that should be the end.
REPORTER_ASSERT(reporter, !context->next(&canvas, &paint));
}
static SkScalar draw_row(SkCanvas* canvas, const SkBitmap& bm) {
SkAutoCanvasRestore acr(canvas, true);
SkPaint paint;
paint.setAntiAlias(true);
SkScalar x = 0;
const int scale = 32;
SkFont font(ToolUtils::create_portable_typeface());
const char* name = ToolUtils::colortype_name(bm.colorType());
canvas->drawString(name, x, SkIntToScalar(bm.height())*scale*5/8,
font, paint);
canvas->translate(SkIntToScalar(48), 0);
canvas->scale(SkIntToScalar(scale), SkIntToScalar(scale));
x += draw_set(canvas, bm, 0, &paint);
paint.reset();
paint.setAlphaf(0.5f);
draw_set(canvas, bm, x, &paint);
return x * scale / 3;
}
// Draws a filled rectangle with a stroked border.
void GraphicsContext::drawRect(const IntRect& rect)
{
if (paintingDisabled())
return;
SkPaint paint;
SkRect r(rect);
if (fillColor().alpha()) {
m_data->setupPaintFill(&paint);
GC2CANVAS(this)->drawRect(r, paint);
}
// According to GraphicsContext.h, stroking inside drawRect always means
// a stroke of 1 inside the rect.
if (strokeStyle() != NoStroke && strokeColor().alpha()) {
paint.reset();
m_data->setupPaintStroke(&paint, &r);
paint.setPathEffect(0); // No dashing please
paint.setStrokeWidth(SK_Scalar1); // Always just 1.0 width
r.inset(SK_ScalarHalf, SK_ScalarHalf); // Ensure we're "inside"
GC2CANVAS(this)->drawRect(r, paint);
}
}
bool RenderThemeChromiumSkia::paintMediaSliderTrack(RenderObject* object, const RenderObject::PaintInfo& paintInfo, const IntRect& rect)
{
#if ENABLE(VIDEO)
HTMLMediaElement* mediaElement = mediaElementParent(object->node());
if (!mediaElement)
return false;
SkCanvas* canvas = paintInfo.context->platformContext()->canvas();
SkRect backgroundRect;
backgroundRect.set(rect.x(), rect.y(), rect.x() + rect.width(), rect.y() + rect.height());
SkPaint paint;
paint.setAntiAlias(true);
// Draw the border of the time bar. The border only has one single color,
// width and radius. So use the property of the left border.
SkColor borderColor = object->style()->borderLeftColor().rgb();
int borderWidth = object->style()->borderLeftWidth();
IntSize borderRadius = object->style()->borderTopLeftRadius();
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(borderWidth);
paint.setColor(borderColor);
canvas->drawRoundRect(backgroundRect, borderRadius.width(), borderRadius.height(), paint);
// Draw the background of the time bar.
SkColor backgroundColor = object->style()->backgroundColor().rgb();
paint.setStyle(SkPaint::kFill_Style);
paint.setColor(backgroundColor);
canvas->drawRoundRect(backgroundRect, borderRadius.width(), borderRadius.height(), paint);
if (backgroundRect.width() >= 3 && backgroundRect.height() >= 3)
{
// Draw the buffered ranges.
// FIXME: Draw multiple ranges if there are multiple buffered ranges.
SkRect bufferedRect;
bufferedRect.set(backgroundRect.fLeft + 2, backgroundRect.fTop + 2,
backgroundRect.fRight - 1, backgroundRect.fBottom - 1);
int width = static_cast<int>(bufferedRect.width() * mediaElement->percentLoaded());
bufferedRect.fRight = bufferedRect.fLeft + width;
SkPoint points[2] = { { 0, bufferedRect.fTop }, { 0, bufferedRect.fBottom } };
SkColor startColor = object->style()->color().rgb();
SkColor endColor = SkColorSetRGB(SkColorGetR(startColor) / 2,
SkColorGetG(startColor) / 2,
SkColorGetB(startColor) / 2);
SkColor colors[2] = { startColor, endColor };
SkShader* gradient = SkGradientShader::CreateLinear(points, colors, 0,
sizeof(points) / sizeof(points[0]),
SkShader::kMirror_TileMode, 0);
paint.reset();
paint.setShader(gradient);
paint.setAntiAlias(true);
// Check for round rect with zero width or height, otherwise Skia will assert
if (bufferedRect.width() > 0 && bufferedRect.height() > 0)
canvas->drawRoundRect(bufferedRect, borderRadius.width(), borderRadius.height(), paint);
gradient->unref();
}
return true;
#else
UNUSED_PARAM(object);
UNUSED_PARAM(paintInfo);
UNUSED_PARAM(rect);
return false;
#endif
}
