static void test_clip_expansion(skiatest::Reporter* reporter) {
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(10, 10);
canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op);
// The following expanding clip should not be skipped.
canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op);
// Draw something so the optimizer doesn't just fold the world.
SkPaint p;
p.setColor(SK_ColorBLUE);
canvas->drawPaint(p);
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
ClipCountingCanvas testCanvas(10, 10);
picture->playback(&testCanvas);
// Both clips should be present on playback.
REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2);
}
static void DrawPictureTestStep(SkCanvas* canvas, const TestData& d,
skiatest::Reporter*, CanvasTestStep*) {
SkPictureRecorder recorder;
SkCanvas* testCanvas = recorder.beginRecording(SkIntToScalar(d.fWidth), SkIntToScalar(d.fHeight),
nullptr, 0);
testCanvas->scale(SkIntToScalar(2), SkIntToScalar(1));
testCanvas->clipRect(d.fRect);
testCanvas->drawRect(d.fRect, d.fPaint);
canvas->drawPicture(recorder.finishRecordingAsPicture());
}
static jboolean android_view_TextureView_lockCanvas(JNIEnv* env, jobject,
jlong nativeWindow, jobject canvas, jobject dirtyRect) {
if (!nativeWindow) {
return JNI_FALSE;
}
ANativeWindow_Buffer buffer;
Rect rect;
if (dirtyRect) {
rect.left = GET_INT(dirtyRect, gRectClassInfo.left);
rect.top = GET_INT(dirtyRect, gRectClassInfo.top);
rect.right = GET_INT(dirtyRect, gRectClassInfo.right);
rect.bottom = GET_INT(dirtyRect, gRectClassInfo.bottom);
} else {
rect.set(Rect(0x3FFF, 0x3FFF));
}
sp<ANativeWindow> window((ANativeWindow*) nativeWindow);
int32_t status = native_window_lock(window.get(), &buffer, &rect);
if (status) return JNI_FALSE;
ssize_t bytesCount = buffer.stride * bytesPerPixel(buffer.format);
SkBitmap bitmap;
bitmap.setConfig(convertPixelFormat(buffer.format), buffer.width, buffer.height, bytesCount);
if (buffer.format == WINDOW_FORMAT_RGBX_8888) {
bitmap.setIsOpaque(true);
}
if (buffer.width > 0 && buffer.height > 0) {
bitmap.setPixels(buffer.bits);
} else {
bitmap.setPixels(NULL);
}
SET_INT(canvas, gCanvasClassInfo.mSurfaceFormat, buffer.format);
SkCanvas* nativeCanvas = SkNEW_ARGS(SkCanvas, (bitmap));
swapCanvasPtr(env, canvas, nativeCanvas);
SkRect clipRect;
clipRect.set(rect.left, rect.top, rect.right, rect.bottom);
nativeCanvas->clipRect(clipRect);
if (dirtyRect) {
INVOKEV(dirtyRect, gRectClassInfo.set,
int(rect.left), int(rect.top), int(rect.right), int(rect.bottom));
}
return JNI_TRUE;
}
bool RenderThemeAndroid::paintTextArea(RenderObject* obj, const RenderObject::PaintInfo& info, const IntRect& rect)
{
if (!obj->isListBox())
return true;
paintCombo(obj, info, rect);
RenderStyle* style = obj->style();
if (style)
style->setColor(Color::transparent);
Node* node = obj->node();
if (!node || !node->hasTagName(HTMLNames::selectTag))
return true;
HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node);
// The first item may be visible. Make sure it does not draw.
// If it has a style, it overrides the RenderListBox's style, so we
// need to make sure both are set to transparent.
node = select->item(0);
if (node) {
RenderObject* renderer = node->renderer();
if (renderer) {
RenderStyle* renderStyle = renderer->style();
if (renderStyle)
renderStyle->setColor(Color::transparent);
}
}
// Find the first selected option, and draw its text.
// FIXME: In a later change, if there is more than one item selected,
// draw a string that says "X items" like iPhone Safari does
int index = select->selectedIndex();
node = select->item(index);
if (!node || !node->hasTagName(HTMLNames::optionTag))
return true;
HTMLOptionElement* option = static_cast<HTMLOptionElement*>(node);
String label = option->textIndentedToRespectGroupLabel();
SkRect r(rect);
SkPaint paint;
paint.setAntiAlias(true);
paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
// Values for text size and positioning determined by trial and error
paint.setTextSize(r.height() - SkIntToScalar(6));
SkCanvas* canvas = getCanvasFromInfo(info);
int saveCount = canvas->save();
r.fRight -= SkIntToScalar(RenderSkinCombo::extraWidth());
canvas->clipRect(r);
canvas->drawText(label.characters(), label.length() << 1,
r.fLeft + SkIntToScalar(5), r.fBottom - SkIntToScalar(5), paint);
canvas->restoreToCount(saveCount);
return true;
}
void View::draw(SkCanvas & canvas)
{
SkAutoCanvasRestore restore(&canvas, true);
canvas.concat(m_props.matrix());
canvas.clipRect(m_props.localRect(), SkRegion::kIntersect_Op, true);
onDraw(canvas);
for (View* v : m_children) {
v->draw(canvas);
}
}
void GrLayerHoister::DrawLayersToAtlas(GrContext* context,
const SkTDArray<GrHoistedLayer>& atlased) {
if (atlased.count() > 0) {
// All the atlased layers are rendered into the same GrTexture
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect(
atlased[0].fLayer->texture()->asRenderTarget(), NULL));
SkCanvas* atlasCanvas = surface->getCanvas();
SkPaint clearPaint;
clearPaint.setColor(SK_ColorTRANSPARENT);
clearPaint.setXfermode(SkXfermode::Create(SkXfermode::kSrc_Mode))->unref();
for (int i = 0; i < atlased.count(); ++i) {
const GrCachedLayer* layer = atlased[i].fLayer;
const SkPicture* pict = atlased[i].fPicture;
const SkIPoint offset = atlased[i].fOffset;
SkDEBUGCODE(const SkPaint* layerPaint = layer->paint();)
SkASSERT(!layerPaint || !layerPaint->getImageFilter());
atlasCanvas->save();
// Add a rect clip to make sure the rendering doesn't
// extend beyond the boundaries of the atlased sub-rect
SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft),
SkIntToScalar(layer->rect().fTop),
SkIntToScalar(layer->rect().width()),
SkIntToScalar(layer->rect().height()));
atlasCanvas->clipRect(bound);
// Since 'clear' doesn't respect the clip we need to draw a rect
atlasCanvas->drawRect(bound, clearPaint);
// '-offset' maps the layer's top/left to the origin.
// Since this layer is atlased, the top/left corner needs
// to be offset to the correct location in the backing texture.
SkMatrix initialCTM;
initialCTM.setTranslate(SkIntToScalar(-offset.fX), SkIntToScalar(-offset.fY));
initialCTM.preTranslate(bound.fLeft, bound.fTop);
initialCTM.preConcat(atlased[i].fPreMat);
atlasCanvas->setMatrix(initialCTM);
atlasCanvas->concat(atlased[i].fLocalMat);
SkRecordPartialDraw(*pict->fRecord.get(), atlasCanvas, bound,
layer->start() + 1, layer->stop(), initialCTM);
atlasCanvas->restore();
}
atlasCanvas->flush();
}
static void DrawPictureTestStep(SkCanvas* canvas, const TestData& d,
skiatest::Reporter*, CanvasTestStep*) {
SkPictureRecorder recorder;
SkCanvas* testCanvas = recorder.beginRecording(SkIntToScalar(d.fWidth), SkIntToScalar(d.fHeight),
NULL, 0);
testCanvas->scale(SkIntToScalar(2), SkIntToScalar(1));
testCanvas->clipRect(d.fRect);
testCanvas->drawRect(d.fRect, d.fPaint);
SkAutoTUnref<SkPicture> testPicture(recorder.endRecording());
canvas->drawPicture(testPicture);
}
DEF_TEST(SkLiteRecorder, r) {
sk_sp<SkLiteDL> p { SkLiteDL::New({2,2,3,3}) };
SkLiteRecorder rec;
SkCanvas* c = &rec;
rec.reset(p.get());
c->save();
c->clipRect(SkRect{2,3,4,5}, SkCanvas::kIntersect_Op, true);
c->drawRect(SkRect{0,0,9,9}, SkPaint{});
c->restore();
}
void GrLayerHoister::DrawLayersToAtlas(GrContext* context,
const SkTDArray<GrHoistedLayer>& atlased) {
if (atlased.count() > 0) {
// All the atlased layers are rendered into the same GrTexture
SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect(
atlased[0].fLayer->texture()->asRenderTarget(), &props));
SkCanvas* atlasCanvas = surface->getCanvas();
for (int i = 0; i < atlased.count(); ++i) {
const GrCachedLayer* layer = atlased[i].fLayer;
const SkBigPicture* pict = atlased[i].fPicture->asSkBigPicture();
if (!pict) {
// TODO: can we assume / assert this?
continue;
}
const SkIPoint offset = SkIPoint::Make(layer->srcIR().fLeft, layer->srcIR().fTop);
SkDEBUGCODE(const SkPaint* layerPaint = layer->paint();)
SkASSERT(!layerPaint || !layerPaint->getImageFilter());
SkASSERT(!layer->filter());
atlasCanvas->save();
// Add a rect clip to make sure the rendering doesn't
// extend beyond the boundaries of the atlased sub-rect
const SkRect bound = SkRect::Make(layer->rect());
atlasCanvas->clipRect(bound);
atlasCanvas->clear(0);
// '-offset' maps the layer's top/left to the origin.
// Since this layer is atlased, the top/left corner needs
// to be offset to the correct location in the backing texture.
SkMatrix initialCTM;
initialCTM.setTranslate(SkIntToScalar(-offset.fX), SkIntToScalar(-offset.fY));
initialCTM.preTranslate(bound.fLeft, bound.fTop);
initialCTM.preConcat(atlased[i].fPreMat);
atlasCanvas->setMatrix(initialCTM);
atlasCanvas->concat(atlased[i].fLocalMat);
pict->partialPlayback(atlasCanvas, layer->start() + 1, layer->stop(), initialCTM);
atlasCanvas->restore();
}
atlasCanvas->flush();
}
void write(SkWStream* stream) {
SkDocument* document = SkDocument::CreatePDF(stream);
for (unsigned i = 0; i < mPages.size(); i++) {
PageRecord* page = mPages[i];
SkCanvas* canvas = document->beginPage(page->mWidth, page->mHeight,
&(page->mContentRect));
canvas->clipRect(page->mContentRect);
canvas->translate(page->mContentRect.left(), page->mContentRect.top());
canvas->drawPicture(*page->mPicture);
document->endPage();
}
document->close();
}
static void DrawRoundRect() {
#ifdef SK_SCALAR_IS_FIXED
bool ret = false;
SkPaint paint;
SkBitmap bitmap;
SkCanvas canvas;
SkMatrix matrix;
matrix.reset();
bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
bitmap.allocPixels();
canvas.setBitmapDevice(bitmap);
// set up clipper
SkRect skclip;
skclip.set(SkIntToFixed(284), SkIntToFixed(40), SkIntToFixed(1370), SkIntToFixed(708));
ret = canvas.clipRect(skclip);
SkASSERT(ret);
matrix.set(SkMatrix::kMTransX, SkFloatToFixed(-1153.28));
matrix.set(SkMatrix::kMTransY, SkFloatToFixed(1180.50));
matrix.set(SkMatrix::kMScaleX, SkFloatToFixed(0.177171));
matrix.set(SkMatrix::kMScaleY, SkFloatToFixed(0.177043));
matrix.set(SkMatrix::kMSkewX, SkFloatToFixed(0.126968));
matrix.set(SkMatrix::kMSkewY, SkFloatToFixed(-0.126876));
matrix.set(SkMatrix::kMPersp0, SkFloatToFixed(0.0));
matrix.set(SkMatrix::kMPersp1, SkFloatToFixed(0.0));
ret = canvas.concat(matrix);
paint.setAntiAlias(true);
paint.setColor(0xb2202020);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SkFloatToFixed(68.13));
SkRect r;
r.set(SkFloatToFixed(-313.714417), SkFloatToFixed(-4.826389), SkFloatToFixed(18014.447266), SkFloatToFixed(1858.154541));
canvas.drawRoundRect(r, SkFloatToFixed(91.756363), SkFloatToFixed(91.756363), paint);
#endif
}
static void fuzz_drawRect(Fuzz* fuzz) {
SkPaint p;
init_paint(fuzz, &p);
sk_sp<SkSurface> surface;
init_surface(fuzz, &surface);
SkScalar a, b, c, d;
fuzz->next(&a, &b, &c, &d);
SkRect r;
r = SkRect::MakeXYWH(a, b, c, d);
SkCanvas* cnv = surface->getCanvas();
cnv->drawRect(r, p);
bool bl;
fuzz->next(&bl);
fuzz->next(&a, &b, &c, &d);
r = SkRect::MakeXYWH(a, b, c, d);
cnv->clipRect(r, kIntersect_SkClipOp, bl);
}
void LayerTextureUpdaterSkPicture::updateTextureRect(GraphicsContext3D* context, TextureAllocator* allocator, ManagedTexture* texture, const IntRect& sourceRect, const IntRect& destRect)
{
// Make sure SKIA uses the correct GL context.
context->makeContextCurrent();
// Notify SKIA to sync its internal GL state.
context->grContext()->resetContext();
// Create an accelerated canvas to draw on.
FrameBuffer buffer;
SkCanvas* canvas = buffer.initialize(context, allocator, texture);
canvas->clipRect(SkRect(destRect));
// Translate the origin of contentRect to that of destRect.
// Note that destRect is defined relative to sourceRect.
canvas->translate(contentRect().x() - sourceRect.x() + destRect.x(),
contentRect().y() - sourceRect.y() + destRect.y());
canvas->drawPicture(m_picture);
// Flush SKIA context so that all the rendered stuff appears on the texture.
context->grContext()->flush();
}
DEF_TEST(test_fuzz_crbug_698714, reporter) {
auto surface(SkSurface::MakeRasterN32Premul(500, 500));
SkCanvas* canvas = surface->getCanvas();
SkPaint paint;
paint.setAntiAlias(true);
SkPath path;
path.setFillType(SkPath::kWinding_FillType);
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0,0
path.lineTo(SkBits2Float(0x43434343), SkBits2Float(0x43430143)); //195.263f, 195.005f
path.lineTo(SkBits2Float(0x43434343), SkBits2Float(0x43434343)); //195.263f, 195.263f
path.lineTo(SkBits2Float(0xb5434343), SkBits2Float(0x434300be)); //-7.2741e-07f, 195.003f
// 195.263f, 195.263f, -1.16387e-05f, 3.58641e-38f, 3.85088e-29f,1.86082e-39f
path.cubicTo(SkBits2Float(0x43434343), SkBits2Float(0x43434341),
SkBits2Float(0xb74343bd), SkBits2Float(0x01434343),
SkBits2Float(0x10434343), SkBits2Float(0x00144332));
// 4.11823e-38f, 195.263f, 195.263f, 195.263f, -7.2741e-07f, 195.263f
path.cubicTo(SkBits2Float(0x016037c0), SkBits2Float(0x43434343),
SkBits2Float(0x43434343), SkBits2Float(0x43434343),
SkBits2Float(0xb5434343), SkBits2Float(0x43434343));
// 195.263f, 195.263f, -1.16387e-05f, 3.58641e-38f, 195.263f, -2
path.cubicTo(SkBits2Float(0x43434344), SkBits2Float(0x43434341),
SkBits2Float(0xb74343bd), SkBits2Float(0x01434343),
SkBits2Float(0x43434343), SkBits2Float(0xc0000014));
// -5.87228e+06f, 3.7773e-07f, 3.60231e-13f, -6.64511e+06f,2.77692e-15f, 2.48803e-15f
path.cubicTo(SkBits2Float(0xcab33535), SkBits2Float(0x34cacaca),
SkBits2Float(0x2acacaca), SkBits2Float(0xcacacae3),
SkBits2Float(0x27481927), SkBits2Float(0x27334805));
path.lineTo(SkBits2Float(0xb5434343), SkBits2Float(0x43434343)); //-7.2741e-07f, 195.263f
// 195.263f, 195.263f, -1.16387e-05f, 195.212f, 195.263f, -2
path.cubicTo(SkBits2Float(0x43434343), SkBits2Float(0x43434341),
SkBits2Float(0xb74343b9), SkBits2Float(0x43433643),
SkBits2Float(0x43434343), SkBits2Float(0xc0000014));
path.lineTo(SkBits2Float(0xc7004343), SkBits2Float(0x27480527)); //-32835.3f, 2.77584e-15f
path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0,0
path.close();
canvas->clipRect({0, 0, 65, 202});
canvas->drawPath(path, paint);
}
// construct the pattern removed by the SkPictureRecord::remove_save_layer2
// optimization, i.e.:
// SAVE_LAYER (with NULL == bounds)
// SAVE
// CLIP_RECT
// DRAW_BITMAP|DRAW_BITMAP_MATRIX|DRAW_BITMAP_NINE|DRAW_BITMAP_RECT_TO_RECT
// RESTORE
// RESTORE
//
// saveLayerHasPaint - control if the saveLayer has a paint (the optimization
// takes a different path if this is false)
// dbmr2rHasPaint - control if the dbmr2r has a paint (the optimization
// takes a different path if this is false)
// colorsMatch - control if the saveLayer and dbmr2r paint colors
// match (the optimization will fail if they do not)
static SkPicture* create_save_layer_opt_2(SkTDArray<DrawType>* preOptPattern,
SkTDArray<DrawType>* postOptPattern,
const SkBitmap& checkerBoard,
bool saveLayerHasPaint,
bool dbmr2rHasPaint,
bool colorsMatch) {
// Create the pattern that should trigger the optimization
preOptPattern->setCount(8);
(*preOptPattern)[0] = SAVE;
(*preOptPattern)[1] = SAVE_LAYER;
(*preOptPattern)[2] = SAVE;
(*preOptPattern)[3] = CLIP_RECT;
(*preOptPattern)[4] = DRAW_BITMAP_RECT_TO_RECT;
(*preOptPattern)[5] = RESTORE;
(*preOptPattern)[6] = RESTORE;
(*preOptPattern)[7] = RESTORE;
if (colorsMatch) {
// Create the pattern that should appear after the optimization
postOptPattern->setCount(8);
(*postOptPattern)[0] = SAVE; // extra save/restore added by extra draw
(*postOptPattern)[1] = SAVE;
(*postOptPattern)[2] = SAVE;
(*postOptPattern)[3] = CLIP_RECT;
(*postOptPattern)[4] = DRAW_BITMAP_RECT_TO_RECT;
(*postOptPattern)[5] = RESTORE;
(*postOptPattern)[6] = RESTORE;
(*postOptPattern)[7] = RESTORE;
} else {
// Create the pattern that appears if the optimization doesn't fire
postOptPattern->setCount(10);
(*postOptPattern)[0] = SAVE; // extra save/restore added by extra draw
(*postOptPattern)[1] = SAVE;
(*postOptPattern)[2] = SAVE_LAYER;
(*postOptPattern)[3] = SAVE;
(*postOptPattern)[4] = CLIP_RECT;
(*postOptPattern)[5] = DRAW_BITMAP_RECT_TO_RECT;
(*postOptPattern)[6] = RESTORE;
(*postOptPattern)[7] = RESTORE;
(*postOptPattern)[8] = RESTORE;
(*postOptPattern)[9] = RESTORE;
}
SkPicture* result = new SkPicture;
// have to disable the optimizations while generating the picture
SkCanvas* canvas = result->beginRecording(100, 100,
SkPicture::kDisableRecordOptimizations_RecordingFlag);
SkPaint saveLayerPaint;
saveLayerPaint.setColor(0xCC000000);
// saveLayer's 'bounds' parameter must be NULL for this optimization
if (saveLayerHasPaint) {
canvas->saveLayer(NULL, &saveLayerPaint);
} else {
canvas->saveLayer(NULL, NULL);
}
canvas->save();
SkRect rect = { 10, 10, 90, 90 };
canvas->clipRect(rect);
// The dbmr2r's paint must be opaque
SkPaint dbmr2rPaint;
if (colorsMatch) {
dbmr2rPaint.setColor(0xFF000000);
} else {
dbmr2rPaint.setColor(0xFFFF0000);
}
if (dbmr2rHasPaint) {
canvas->drawBitmapRectToRect(checkerBoard, NULL, rect, &dbmr2rPaint);
} else {
canvas->drawBitmapRectToRect(checkerBoard, NULL, rect, NULL);
}
canvas->restore();
canvas->restore();
result->endRecording();
return result;
}
void GrLayerHoister::DrawLayers(const SkTDArray<GrHoistedLayer>& atlased,
const SkTDArray<GrHoistedLayer>& nonAtlased,
const SkTDArray<GrHoistedLayer>& recycled,
GrReplacements* replacements) {
// Render the atlased layers that require it
if (atlased.count() > 0) {
// All the atlased layers are rendered into the same GrTexture
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect(
atlased[0].fLayer->texture()->asRenderTarget(), NULL));
SkCanvas* atlasCanvas = surface->getCanvas();
SkPaint paint;
paint.setColor(SK_ColorTRANSPARENT);
paint.setXfermode(SkXfermode::Create(SkXfermode::kSrc_Mode))->unref();
for (int i = 0; i < atlased.count(); ++i) {
GrCachedLayer* layer = atlased[i].fLayer;
const SkPicture* pict = atlased[i].fPicture;
const SkIPoint offset = atlased[i].fOffset;
atlasCanvas->save();
// Add a rect clip to make sure the rendering doesn't
// extend beyond the boundaries of the atlased sub-rect
SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft),
SkIntToScalar(layer->rect().fTop),
SkIntToScalar(layer->rect().width()),
SkIntToScalar(layer->rect().height()));
atlasCanvas->clipRect(bound);
// Since 'clear' doesn't respect the clip we need to draw a rect
// TODO: ensure none of the atlased layers contain a clear call!
atlasCanvas->drawRect(bound, paint);
// info.fCTM maps the layer's top/left to the origin.
// Since this layer is atlased, the top/left corner needs
// to be offset to the correct location in the backing texture.
SkMatrix initialCTM;
initialCTM.setTranslate(SkIntToScalar(-offset.fX),
SkIntToScalar(-offset.fY));
initialCTM.postTranslate(bound.fLeft, bound.fTop);
atlasCanvas->translate(SkIntToScalar(-offset.fX),
SkIntToScalar(-offset.fY));
atlasCanvas->translate(bound.fLeft, bound.fTop);
atlasCanvas->concat(atlased[i].fCTM);
SkRecordPartialDraw(*pict->fRecord.get(), atlasCanvas, bound,
layer->start()+1, layer->stop(), initialCTM);
atlasCanvas->restore();
}
atlasCanvas->flush();
}
// Render the non-atlased layers that require it
for (int i = 0; i < nonAtlased.count(); ++i) {
GrCachedLayer* layer = nonAtlased[i].fLayer;
const SkPicture* pict = nonAtlased[i].fPicture;
const SkIPoint offset = nonAtlased[i].fOffset;
// Each non-atlased layer has its own GrTexture
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect(
layer->texture()->asRenderTarget(), NULL));
SkCanvas* layerCanvas = surface->getCanvas();
// Add a rect clip to make sure the rendering doesn't
// extend beyond the boundaries of the atlased sub-rect
SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft),
SkIntToScalar(layer->rect().fTop),
SkIntToScalar(layer->rect().width()),
SkIntToScalar(layer->rect().height()));
layerCanvas->clipRect(bound); // TODO: still useful?
layerCanvas->clear(SK_ColorTRANSPARENT);
SkMatrix initialCTM;
initialCTM.setTranslate(SkIntToScalar(-offset.fX),
SkIntToScalar(-offset.fY));
layerCanvas->translate(SkIntToScalar(-offset.fX),
SkIntToScalar(-offset.fY));
layerCanvas->concat(nonAtlased[i].fCTM);
SkRecordPartialDraw(*pict->fRecord.get(), layerCanvas, bound,
layer->start()+1, layer->stop(), initialCTM);
layerCanvas->flush();
}
convert_layers_to_replacements(atlased, replacements);
convert_layers_to_replacements(nonAtlased, replacements);
convert_layers_to_replacements(recycled, replacements);
}
sk_sp<SkSpecialImage> SkXfermodeImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx,
SkIPoint* offset) const {
SkIPoint backgroundOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> background(this->filterInput(0, source, ctx, &backgroundOffset));
SkIPoint foregroundOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> foreground(this->filterInput(1, source, ctx, &foregroundOffset));
SkIRect foregroundBounds = SkIRect::EmptyIRect();
if (foreground) {
foregroundBounds = SkIRect::MakeXYWH(foregroundOffset.x(), foregroundOffset.y(),
foreground->width(), foreground->height());
}
SkIRect srcBounds = SkIRect::EmptyIRect();
if (background) {
srcBounds = SkIRect::MakeXYWH(backgroundOffset.x(), backgroundOffset.y(),
background->width(), background->height());
}
srcBounds.join(foregroundBounds);
if (srcBounds.isEmpty()) {
return nullptr;
}
SkIRect bounds;
if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return nullptr;
}
offset->fX = bounds.left();
offset->fY = bounds.top();
#if SK_SUPPORT_GPU
if (source->isTextureBacked()) {
return this->filterImageGPU(source,
background, backgroundOffset,
foreground, foregroundOffset,
bounds);
}
#endif
const SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
kPremul_SkAlphaType);
sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
if (!surf) {
return nullptr;
}
SkCanvas* canvas = surf->getCanvas();
SkASSERT(canvas);
canvas->clear(0x0); // can't count on background to fully clear the background
canvas->translate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
SkPaint paint;
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
if (background) {
background->draw(canvas,
SkIntToScalar(backgroundOffset.fX), SkIntToScalar(backgroundOffset.fY),
&paint);
}
paint.setXfermode(fMode);
if (foreground) {
foreground->draw(canvas,
SkIntToScalar(foregroundOffset.fX), SkIntToScalar(foregroundOffset.fY),
&paint);
}
canvas->clipRect(SkRect::Make(foregroundBounds), SkRegion::kDifference_Op);
paint.setColor(SK_ColorTRANSPARENT);
canvas->drawPaint(paint);
return surf->makeImageSnapshot();
}
static jlong nativeLockCanvas(JNIEnv* env, jclass clazz,
jlong nativeObject, jobject canvasObj, jobject dirtyRectObj) {
sp<Surface> surface(reinterpret_cast<Surface *>(nativeObject));
if (!isSurfaceValid(surface)) {
doThrowIAE(env);
return 0;
}
Rect dirtyRect;
Rect* dirtyRectPtr = NULL;
if (dirtyRectObj) {
dirtyRect.left = env->GetIntField(dirtyRectObj, gRectClassInfo.left);
dirtyRect.top = env->GetIntField(dirtyRectObj, gRectClassInfo.top);
dirtyRect.right = env->GetIntField(dirtyRectObj, gRectClassInfo.right);
dirtyRect.bottom = env->GetIntField(dirtyRectObj, gRectClassInfo.bottom);
dirtyRectPtr = &dirtyRect;
}
ANativeWindow_Buffer outBuffer;
status_t err = surface->lock(&outBuffer, dirtyRectPtr);
if (err < 0) {
const char* const exception = (err == NO_MEMORY) ?
OutOfResourcesException :
"java/lang/IllegalArgumentException";
jniThrowException(env, exception, NULL);
return 0;
}
// Associate a SkCanvas object to this surface
env->SetIntField(canvasObj, gCanvasClassInfo.mSurfaceFormat, outBuffer.format);
SkImageInfo info = SkImageInfo::Make(outBuffer.width, outBuffer.height,
convertPixelFormat(outBuffer.format),
kPremul_SkAlphaType);
if (outBuffer.format == PIXEL_FORMAT_RGBX_8888) {
info.fAlphaType = kOpaque_SkAlphaType;
}
SkBitmap bitmap;
ssize_t bpr = outBuffer.stride * bytesPerPixel(outBuffer.format);
bitmap.setInfo(info, bpr);
if (outBuffer.width > 0 && outBuffer.height > 0) {
bitmap.setPixels(outBuffer.bits);
} else {
// be safe with an empty bitmap.
bitmap.setPixels(NULL);
}
env->CallVoidMethod(canvasObj, gCanvasClassInfo.setNativeBitmap,
reinterpret_cast<jlong>(&bitmap));
if (dirtyRectPtr) {
SkCanvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvasObj);
nativeCanvas->clipRect( SkRect::Make(reinterpret_cast<const SkIRect&>(dirtyRect)) );
}
if (dirtyRectObj) {
env->SetIntField(dirtyRectObj, gRectClassInfo.left, dirtyRect.left);
env->SetIntField(dirtyRectObj, gRectClassInfo.top, dirtyRect.top);
env->SetIntField(dirtyRectObj, gRectClassInfo.right, dirtyRect.right);
env->SetIntField(dirtyRectObj, gRectClassInfo.bottom, dirtyRect.bottom);
}
// Create another reference to the surface and return it. This reference
// should be passed to nativeUnlockCanvasAndPost in place of mNativeObject,
// because the latter could be replaced while the surface is locked.
sp<Surface> lockedSurface(surface);
lockedSurface->incStrong(&sRefBaseOwner);
return (jlong) lockedSurface.get();
}
void clip(const SkRect& r) { fCanvas->clipRect(r); }
// This is only used to draw borders.
void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
{
if (paintingDisabled())
return;
StrokeStyle style = strokeStyle();
if (style == NoStroke)
return;
SkPaint paint;
SkCanvas* canvas = GC2Canvas(this);
const int idx = SkAbs32(point2.x() - point1.x());
const int idy = SkAbs32(point2.y() - point1.y());
// special-case horizontal and vertical lines that are really just dots
if (m_data->setup_paint_stroke(&paint, NULL) && (0 == idx || 0 == idy)) {
const SkScalar diameter = paint.getStrokeWidth();
const SkScalar radius = SkScalarHalf(diameter);
SkScalar x = SkIntToScalar(SkMin32(point1.x(), point2.x()));
SkScalar y = SkIntToScalar(SkMin32(point1.y(), point2.y()));
SkScalar dx, dy;
int count;
SkRect bounds;
if (0 == idy) { // horizontal
bounds.set(x, y - radius, x + SkIntToScalar(idx), y + radius);
x += radius;
dx = diameter * 2;
dy = 0;
count = idx;
} else { // vertical
bounds.set(x - radius, y, x + radius, y + SkIntToScalar(idy));
y += radius;
dx = 0;
dy = diameter * 2;
count = idy;
}
// the actual count is the number of ONs we hit alternating
// ON(diameter), OFF(diameter), ...
{
SkScalar width = SkScalarDiv(SkIntToScalar(count), diameter);
// now computer the number of cells (ON and OFF)
count = SkScalarRound(width);
// now compute the number of ONs
count = (count + 1) >> 1;
}
SkAutoMalloc storage(count * sizeof(SkPoint));
SkPoint* verts = (SkPoint*)storage.get();
// now build the array of vertices to past to drawPoints
for (int i = 0; i < count; i++) {
verts[i].set(x, y);
x += dx;
y += dy;
}
paint.setStyle(SkPaint::kFill_Style);
paint.setPathEffect(NULL);
// clipping to bounds is not required for correctness, but it does
// allow us to reject the entire array of points if we are completely
// offscreen. This is common in a webpage for android, where most of
// the content is clipped out. If drawPoints took an (optional) bounds
// parameter, that might even be better, as we would *just* use it for
// culling, and not both wacking the canvas' save/restore stack.
canvas->save(SkCanvas::kClip_SaveFlag);
canvas->clipRect(bounds);
canvas->drawPoints(SkCanvas::kPoints_PointMode, count, verts, paint);
canvas->restore();
} else {
static void test_complex_clips(skiatest::Reporter* reporter) {
#ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG
const int WIDTH = 400;
const int HEIGHT = 400;
const int SPACER = 10;
SkIRect layerRect = SkIRect::MakeWH(WIDTH, HEIGHT / 4);
layerRect.inset(2*SPACER, 2*SPACER);
SkIRect clipRect = layerRect;
clipRect.fRight = clipRect.fLeft + (clipRect.width() / 2) - (2*SPACER);
clipRect.outset(SPACER, SPACER);
SkIRect regionBounds = clipRect;
regionBounds.offset(clipRect.width() + (2*SPACER), 0);
SkIRect regionInterior = regionBounds;
regionInterior.inset(SPACER*3, SPACER*3);
SkRegion clipRegion;
clipRegion.setRect(regionBounds);
clipRegion.op(regionInterior, SkRegion::kDifference_Op);
const SkRegion::Op clipOps[] = { SkRegion::kIntersect_Op,
SkRegion::kIntersect_Op,
SkRegion::kReplace_Op,
};
const SkCanvas::SaveFlags flags[] = { SkCanvas::kARGB_NoClipLayer_SaveFlag,
SkCanvas::kARGB_ClipLayer_SaveFlag,
SkCanvas::kARGB_NoClipLayer_SaveFlag,
};
REPORTER_ASSERT(reporter, sizeof(clipOps) == sizeof(flags));
const int layerCombinations = sizeof(flags) / sizeof(SkCanvas::SaveFlags);
SkBitmap bitmaps[2];
for (int i = 0; i < 2; ++i) {
bitmaps[i].allocN32Pixels(WIDTH, HEIGHT);
SkCanvas canvas(bitmaps[i]);
canvas.drawColor(SK_ColorRED);
SkRegion localRegion = clipRegion;
for (int j = 0; j < layerCombinations; ++j) {
SkRect layerBounds = SkRect::Make(layerRect);
canvas.saveLayerAlpha(&layerBounds, 128, flags[j]);
SkCanvasState* state = NULL;
SkCanvas* tmpCanvas = NULL;
if (i) {
state = SkCanvasStateUtils::CaptureCanvasState(&canvas);
REPORTER_ASSERT(reporter, state);
tmpCanvas = SkCanvasStateUtils::CreateFromCanvasState(state);
REPORTER_ASSERT(reporter, tmpCanvas);
} else {
tmpCanvas = SkRef(&canvas);
}
tmpCanvas->save();
tmpCanvas->clipRect(SkRect::Make(clipRect), clipOps[j]);
tmpCanvas->drawColor(SK_ColorBLUE);
tmpCanvas->restore();
tmpCanvas->clipRegion(localRegion, clipOps[j]);
tmpCanvas->drawColor(SK_ColorBLUE);
tmpCanvas->unref();
SkCanvasStateUtils::ReleaseCanvasState(state);
canvas.restore();
// translate the canvas and region for the next iteration
canvas.translate(0, SkIntToScalar(2*(layerRect.height() + (SPACER))));
localRegion.translate(0, 2*(layerRect.height() + SPACER));
}
}
// now we memcmp the two bitmaps
REPORTER_ASSERT(reporter, bitmaps[0].getSize() == bitmaps[1].getSize());
REPORTER_ASSERT(reporter, !memcmp(bitmaps[0].getPixels(),
bitmaps[1].getPixels(),
bitmaps[0].getSize()));
#endif
}