static void test_matrix_recttorect(skiatest::Reporter* reporter) {
SkRect src, dst;
SkMatrix matrix;
src.set(0, 0, SK_Scalar1*10, SK_Scalar1*10);
dst = src;
matrix.setRectToRect(src, dst, SkMatrix::kFill_ScaleToFit);
REPORTER_ASSERT(reporter, SkMatrix::kIdentity_Mask == matrix.getType());
REPORTER_ASSERT(reporter, matrix.rectStaysRect());
dst.offset(SK_Scalar1, SK_Scalar1);
matrix.setRectToRect(src, dst, SkMatrix::kFill_ScaleToFit);
REPORTER_ASSERT(reporter, SkMatrix::kTranslate_Mask == matrix.getType());
REPORTER_ASSERT(reporter, matrix.rectStaysRect());
dst.fRight += SK_Scalar1;
matrix.setRectToRect(src, dst, SkMatrix::kFill_ScaleToFit);
REPORTER_ASSERT(reporter,
(SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask) == matrix.getType());
REPORTER_ASSERT(reporter, matrix.rectStaysRect());
dst = src;
dst.fRight = src.fRight * 2;
matrix.setRectToRect(src, dst, SkMatrix::kFill_ScaleToFit);
REPORTER_ASSERT(reporter, SkMatrix::kScale_Mask == matrix.getType());
REPORTER_ASSERT(reporter, matrix.rectStaysRect());
}
// This does a lot of computation to resample only the portion of the bitmap
// that will only be drawn. This is critical for performance since when we are
// scrolling, for example, we are only drawing a small strip of the image.
// Resampling the whole image every time is very slow, so this speeds up things
// dramatically.
//
// Note: this code is only used when the canvas transformation is limited to
// scaling or translation.
static void drawResampledBitmap(SkCanvas& canvas, SkPaint& paint, const NativeImageSkia& bitmap, const SkRect& srcRect, const SkRect& destRect)
{
#if PLATFORM(CHROMIUM)
TRACE_EVENT0("skia", "drawResampledBitmap");
#endif
// We want to scale |destRect| with transformation in the canvas to obtain
// the final scale. The final scale is a combination of scale transform
// in canvas and explicit scaling (srcRect and destRect).
SkRect screenRect;
canvas.getTotalMatrix().mapRect(&screenRect, destRect);
float realScaleX = screenRect.width() / srcRect.width();
float realScaleY = screenRect.height() / srcRect.height();
// This part of code limits scaling only to visible portion in the
SkRect destRectVisibleSubset;
ClipRectToCanvas(canvas, destRect, &destRectVisibleSubset);
// ClipRectToCanvas often overshoots, resulting in a larger region than our
// original destRect. Intersecting gets us back inside.
if (!destRectVisibleSubset.intersect(destRect))
return; // Nothing visible in destRect.
// Find the corresponding rect in the source image.
SkMatrix destToSrcTransform;
SkRect srcRectVisibleSubset;
destToSrcTransform.setRectToRect(destRect, srcRect, SkMatrix::kFill_ScaleToFit);
destToSrcTransform.mapRect(&srcRectVisibleSubset, destRectVisibleSubset);
SkRect scaledSrcRect;
SkIRect enclosingScaledSrcRect;
SkBitmap scaledImageFragment = extractScaledImageFragment(bitmap, srcRectVisibleSubset, realScaleX, realScaleY, &scaledSrcRect, &enclosingScaledSrcRect);
// Expand the destination rectangle because the source rectangle was
// expanded to fit to integer boundaries.
SkMatrix scaledSrcToDestTransform;
scaledSrcToDestTransform.setRectToRect(scaledSrcRect, destRectVisibleSubset, SkMatrix::kFill_ScaleToFit);
SkRect enclosingDestRect;
enclosingDestRect.set(enclosingScaledSrcRect);
scaledSrcToDestTransform.mapRect(&enclosingDestRect);
// The reason we do clipping is because Skia doesn't support SkRect as
// source rect. See http://crbug.com/145540.
// When Skia supports then use this as the source rect to replace 0.
//
// scaledSrcRect.offset(-enclosingScaledSrcRect.x(), -enclosingScaledSrcRect.y());
canvas.save();
canvas.clipRect(destRectVisibleSubset);
// Because the image fragment is generated with an approxmiated scaling
// factor. This draw will perform a close to 1 scaling.
//
// NOTE: For future optimization. If the difference in scale is so small
// that Skia doesn't produce a difference then we can just blit it directly
// to enhance performance.
canvas.drawBitmapRect(scaledImageFragment, 0, enclosingDestRect, &paint);
canvas.restore();
}
void SkGpuDevice::drawTextureProducer(GrTextureProducer* producer,
const SkRect* srcRect,
const SkRect* dstRect,
SkCanvas::SrcRectConstraint constraint,
const SkMatrix& viewMatrix,
const GrClip& clip,
const SkPaint& paint) {
// This is the funnel for all non-tiled bitmap/image draw calls. Log a histogram entry.
SK_HISTOGRAM_BOOLEAN("DrawTiled", false);
// Figure out the actual dst and src rect by clipping the src rect to the bounds of the
// adjuster. If the src rect is clipped then the dst rect must be recomputed. Also determine
// the matrix that maps the src rect to the dst rect.
SkRect clippedSrcRect;
SkRect clippedDstRect;
const SkRect srcBounds = SkRect::MakeIWH(producer->width(), producer->height());
SkMatrix srcToDstMatrix;
if (srcRect) {
if (!dstRect) {
dstRect = &srcBounds;
}
if (!srcBounds.contains(*srcRect)) {
clippedSrcRect = *srcRect;
if (!clippedSrcRect.intersect(srcBounds)) {
return;
}
if (!srcToDstMatrix.setRectToRect(*srcRect, *dstRect, SkMatrix::kFill_ScaleToFit)) {
return;
}
srcToDstMatrix.mapRect(&clippedDstRect, clippedSrcRect);
} else {
clippedSrcRect = *srcRect;
clippedDstRect = *dstRect;
if (!srcToDstMatrix.setRectToRect(*srcRect, *dstRect, SkMatrix::kFill_ScaleToFit)) {
return;
}
}
} else {
clippedSrcRect = srcBounds;
if (dstRect) {
clippedDstRect = *dstRect;
if (!srcToDstMatrix.setRectToRect(srcBounds, *dstRect, SkMatrix::kFill_ScaleToFit)) {
return;
}
} else {
clippedDstRect = srcBounds;
srcToDstMatrix.reset();
}
}
// Now that we have both the view and srcToDst matrices, log our scale factor.
LogDrawScaleFactor(SkMatrix::Concat(viewMatrix, srcToDstMatrix), paint.getFilterQuality());
this->drawTextureProducerImpl(producer, clippedSrcRect, clippedDstRect, constraint, viewMatrix,
srcToDstMatrix, clip, paint);
}
// This does a lot of computation to resample only the portion of the bitmap
// that will only be drawn. This is critical for performance since when we are
// scrolling, for example, we are only drawing a small strip of the image.
// Resampling the whole image every time is very slow, so this speeds up things
// dramatically.
//
// Note: this code is only used when the canvas transformation is limited to
// scaling or translation.
void NativeImageSkia::drawResampledBitmap(GraphicsContext* context, SkPaint& paint, const SkRect& srcRect, const SkRect& destRect) const
{
TRACE_EVENT0("skia", "drawResampledBitmap");
// We want to scale |destRect| with transformation in the canvas to obtain
// the final scale. The final scale is a combination of scale transform
// in canvas and explicit scaling (srcRect and destRect).
SkRect screenRect;
context->getTotalMatrix().mapRect(&screenRect, destRect);
float realScaleX = screenRect.width() / srcRect.width();
float realScaleY = screenRect.height() / srcRect.height();
// This part of code limits scaling only to visible portion in the
SkRect destRectVisibleSubset;
if (!context->canvas()->getClipBounds(&destRectVisibleSubset))
return;
// ClipRectToCanvas often overshoots, resulting in a larger region than our
// original destRect. Intersecting gets us back inside.
if (!destRectVisibleSubset.intersect(destRect))
return; // Nothing visible in destRect.
// Find the corresponding rect in the source image.
SkMatrix destToSrcTransform;
SkRect srcRectVisibleSubset;
destToSrcTransform.setRectToRect(destRect, srcRect, SkMatrix::kFill_ScaleToFit);
destToSrcTransform.mapRect(&srcRectVisibleSubset, destRectVisibleSubset);
SkRect scaledSrcRect;
SkBitmap scaledImageFragment = extractScaledImageFragment(srcRectVisibleSubset, realScaleX, realScaleY, &scaledSrcRect);
context->drawBitmapRect(scaledImageFragment, &scaledSrcRect, destRectVisibleSubset, &paint);
}
// This function is used to scale an image and extract a scaled fragment.
//
// ALGORITHM
//
// Because the scaled image size has to be integers, we approximate the real
// scale with the following formula (only X direction is shown):
//
// scaledImageWidth = round(scaleX * imageRect.width())
// approximateScaleX = scaledImageWidth / imageRect.width()
//
// With this method we maintain a constant scale factor among fragments in
// the scaled image. This allows fragments to stitch together to form the
// full scaled image. The downside is there will be a small difference
// between |scaleX| and |approximateScaleX|.
//
// A scaled image fragment is identified by:
//
// - Scaled image size
// - Scaled image fragment rectangle (IntRect)
//
// Scaled image size has been determined and the next step is to compute the
// rectangle for the scaled image fragment which needs to be an IntRect.
//
// scaledSrcRect = srcRect * (approximateScaleX, approximateScaleY)
// enclosingScaledSrcRect = enclosingIntRect(scaledSrcRect)
//
// Finally we extract the scaled image fragment using
// (scaledImageSize, enclosingScaledSrcRect).
//
SkBitmap NativeImageSkia::extractScaledImageFragment(const SkRect& srcRect, float scaleX, float scaleY, SkRect* scaledSrcRect) const
{
SkISize imageSize = SkISize::Make(bitmap().width(), bitmap().height());
SkISize scaledImageSize = SkISize::Make(clampToInteger(roundf(imageSize.width() * scaleX)),
clampToInteger(roundf(imageSize.height() * scaleY)));
SkRect imageRect = SkRect::MakeWH(imageSize.width(), imageSize.height());
SkRect scaledImageRect = SkRect::MakeWH(scaledImageSize.width(), scaledImageSize.height());
SkMatrix scaleTransform;
scaleTransform.setRectToRect(imageRect, scaledImageRect, SkMatrix::kFill_ScaleToFit);
scaleTransform.mapRect(scaledSrcRect, srcRect);
bool ok = scaledSrcRect->intersect(scaledImageRect);
ASSERT_UNUSED(ok, ok);
SkIRect enclosingScaledSrcRect = enclosingIntRect(*scaledSrcRect);
// |enclosingScaledSrcRect| can be larger than |scaledImageSize| because
// of float inaccuracy so clip to get inside.
ok = enclosingScaledSrcRect.intersect(SkIRect::MakeSize(scaledImageSize));
ASSERT_UNUSED(ok, ok);
// scaledSrcRect is relative to the pixel snapped fragment we're extracting.
scaledSrcRect->offset(-enclosingScaledSrcRect.x(), -enclosingScaledSrcRect.y());
return resizedBitmap(scaledImageSize, enclosingScaledSrcRect);
}
CameraView() {
fRX = fRY = fRZ = 0;
fShaderIndex = 0;
fFrontFace = false;
for (int i = 0;; i++) {
SkString str;
str.printf("/skimages/elephant%d.jpeg", i);
SkBitmap bm;
if (SkImageDecoder::DecodeFile(str.c_str(), &bm)) {
SkShader* s = SkShader::CreateBitmapShader(bm,
SkShader::kClamp_TileMode,
SkShader::kClamp_TileMode);
SkRect src = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) };
SkRect dst = { -150, -150, 150, 150 };
SkMatrix matrix;
matrix.setRectToRect(src, dst, SkMatrix::kFill_ScaleToFit);
s->setLocalMatrix(matrix);
*fShaders.append() = s;
} else {
break;
}
}
this->setBGColor(0xFFDDDDDD);
}
void SkImagePrivDrawPicture(SkCanvas* canvas, SkPicture* picture,
const SkRect* src, const SkRect& dst, const SkPaint* paint) {
int saveCount = canvas->getSaveCount();
SkMatrix matrix;
SkRect tmpSrc;
if (NULL != src) {
tmpSrc = *src;
} else {
tmpSrc.set(0, 0,
SkIntToScalar(picture->width()),
SkIntToScalar(picture->height()));
}
matrix.setRectToRect(tmpSrc, dst, SkMatrix::kFill_ScaleToFit);
if (paint && needs_layer(*paint)) {
canvas->saveLayer(&dst, paint);
} else {
canvas->save();
}
canvas->concat(matrix);
if (!paint || !needs_layer(*paint)) {
canvas->clipRect(tmpSrc);
}
canvas->drawPicture(*picture);
canvas->restoreToCount(saveCount);
}
void
DrawTargetSkia::DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions,
const DrawOptions &aOptions)
{
if (aSurface->GetType() != SURFACE_SKIA) {
return;
}
if (aSource.IsEmpty()) {
return;
}
MarkChanged();
SkRect destRect = RectToSkRect(aDest);
SkRect sourceRect = RectToSkRect(aSource);
SkMatrix matrix;
matrix.setRectToRect(sourceRect, destRect, SkMatrix::kFill_ScaleToFit);
const SkBitmap& bitmap = static_cast<SourceSurfaceSkia*>(aSurface)->GetBitmap();
AutoPaintSetup paint(mCanvas.get(), aOptions);
SkShader *shader = SkShader::CreateBitmapShader(bitmap, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
shader->setLocalMatrix(matrix);
SkSafeUnref(paint.mPaint.setShader(shader));
if (aSurfOptions.mFilter != FILTER_LINEAR) {
paint.mPaint.setFilterBitmap(false);
}
mCanvas->drawRect(destRect, paint.mPaint);
}
static bool oval_contains(const SkRect& r, SkScalar x, SkScalar y) {
SkMatrix m;
m.setRectToRect(r, gUnitSquare, SkMatrix::kFill_ScaleToFit);
SkPoint pt;
m.mapXY(x, y, &pt);
return pt.lengthSqd() <= 1;
}
static void test_huge_stroke(SkCanvas* canvas) {
SkRect srcR = { 0, 0, 72000, 54000 };
SkRect dstR = { 0, 0, 640, 480 };
SkPath path;
path.moveTo(17600, 8000);
path.lineTo(52800, 8000);
path.lineTo(52800, 41600);
path.lineTo(17600, 41600);
path.close();
SkPaint paint;
paint.setAntiAlias(true);
paint.setStrokeWidth(8000);
paint.setStrokeMiter(10);
paint.setStrokeCap(SkPaint::kButt_Cap);
paint.setStrokeJoin(SkPaint::kRound_Join);
paint.setStyle(SkPaint::kStroke_Style);
SkMatrix matrix;
matrix.setRectToRect(srcR, dstR, SkMatrix::kCenter_ScaleToFit);
canvas->concat(matrix);
canvas->drawPath(path, paint);
}
/**
* Method which handles native redrawing screen
*/
void JNISDLVideoDriverListener::updateScreen(SkBitmap* bitmap)
{
SkBitmap screen;
Surface::SurfaceInfo surfaceInfo;
if (!mSurface || !mSurface->isValid()) {
__android_log_print(ANDROID_LOG_INFO, LOG_TAG, "nativeSurface wasn't valid");
return;
}
if (mSurface->lock(&surfaceInfo) < 0) {
__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "Failed to lock surface");
return;
}
//__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "updating screen: %ix%i", surfaceInfo.w, surfaceInfo.h);
//bitmap which is drawed on android surfaceview
SDLVideoDriver::setBitmapConfig(&screen, surfaceInfo.format, surfaceInfo.w, surfaceInfo.h);
screen.setPixels(surfaceInfo.bits);
SkCanvas canvas(screen);
SkRect surface_sdl;
SkRect surface_android;
SkMatrix matrix;
surface_android.set(0, 0, screen.width(), screen.height());
surface_sdl.set(0, 0, bitmap->width(), bitmap->height());
matrix.setRectToRect(surface_sdl, surface_android, SkMatrix::kFill_ScaleToFit);
canvas.drawBitmapMatrix(*bitmap, matrix);
if (mSurface->unlockAndPost() < 0) {
__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "Failed to unlock surface");
}
}
bool SkHitTestPath(const SkPath& path, SkRect& target, bool hires) {
if (target.isEmpty()) {
return false;
}
bool isInverse = path.isInverseFillType();
if (path.isEmpty()) {
return isInverse;
}
SkRect bounds = path.getBounds();
bool sects = SkRect::Intersects(target, bounds);
if (isInverse) {
if (!sects) {
return true;
}
} else {
if (!sects) {
return false;
}
if (target.contains(bounds)) {
return true;
}
}
SkPath devPath;
const SkPath* pathPtr;
SkRect devTarget;
if (hires) {
const SkScalar coordLimit = SkIntToScalar(16384);
const SkRect limit = { 0, 0, coordLimit, coordLimit };
SkMatrix matrix;
matrix.setRectToRect(bounds, limit, SkMatrix::kFill_ScaleToFit);
path.transform(matrix, &devPath);
matrix.mapRect(&devTarget, target);
pathPtr = &devPath;
} else {
devTarget = target;
pathPtr = &path;
}
SkIRect iTarget;
devTarget.round(&iTarget);
if (iTarget.isEmpty()) {
iTarget.fLeft = SkScalarFloorToInt(devTarget.fLeft);
iTarget.fTop = SkScalarFloorToInt(devTarget.fTop);
iTarget.fRight = iTarget.fLeft + 1;
iTarget.fBottom = iTarget.fTop + 1;
}
SkRegion clip(iTarget);
SkRegion rgn;
return rgn.setPath(*pathPtr, clip) ^ isInverse;
}
static jboolean setRectToRect(JNIEnv* env, jobject clazz, jlong matrixHandle, jobject src, jobject dst, jint stfHandle) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkMatrix::ScaleToFit stf = static_cast<SkMatrix::ScaleToFit>(stfHandle);
SkRect src_;
GraphicsJNI::jrectf_to_rect(env, src, &src_);
SkRect dst_;
GraphicsJNI::jrectf_to_rect(env, dst, &dst_);
return matrix->setRectToRect(src_, dst_, stf) ? JNI_TRUE : JNI_FALSE;
}
virtual void onDraw(SkCanvas* canvas) {
SkRect dst = SkRect::MakeWH(canvas->getDevice()->width(), canvas->getDevice()->height());
SkRect src = SkRect::MakeWH(640, 480);
SkMatrix matrix;
matrix.setRectToRect(src, dst, SkMatrix::kCenter_ScaleToFit);
canvas->concat(matrix);
fProc(canvas, fShowGL, fFlags);
}
std::unique_ptr<GrDrawOp> MakeAAFillWithLocalRect(GrPaint&& paint, const SkMatrix& viewMatrix,
const SkRect& rect, const SkRect& localRect) {
if (!view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
return nullptr;
}
SkRect devRect;
viewMatrix.mapRect(&devRect, rect);
SkMatrix localMatrix;
if (!localMatrix.setRectToRect(rect, localRect, SkMatrix::kFill_ScaleToFit)) {
return nullptr;
}
return AAFillRectOp::Make(std::move(paint), viewMatrix, rect, devRect, &localMatrix, nullptr);
}
Boolean Matrix::NativeSetRectToRect(
/* [in] */ Int64 nObj,
/* [in] */ IRectF* src,
/* [in] */ IRectF* dst,
/* [in] */ Int32 stfHandle)
{
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(nObj);
SkMatrix::ScaleToFit stf = static_cast<SkMatrix::ScaleToFit>(stfHandle);
SkRect src_;
GraphicsNative::IRectF2SkRect(src, &src_);
SkRect dst_;
GraphicsNative::IRectF2SkRect(dst, &dst_);
return matrix->setRectToRect(src_, dst_, stf) ? TRUE : FALSE;
}
void ASurface_scaleToFullScreen(ASurface* aSurface, AndroidSurfaceInfo* src, AndroidSurfaceInfo* dst) {
SkBitmap srcBitmap;
SkBitmap dstBitmap;
SkMatrix matrix;
initBitmap(srcBitmap, src);
initBitmap(dstBitmap, dst);
matrix.setRectToRect(SkRect::MakeWH(srcBitmap.width(), srcBitmap.height()),
SkRect::MakeWH(dstBitmap.width(), dstBitmap.height()),
SkMatrix::kCenter_ScaleToFit);
aSurface->canvas->setBitmapDevice(dstBitmap);
aSurface->canvas->drawBitmapMatrix(srcBitmap, matrix);
return;
}
static void copybits(SkCanvas* canvas, const SkBitmap& bm, const SkRect& dst, const SkPaint& paint)
{
SkRect src;
SkMatrix matrix;
src.set(0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()));
if (matrix.setRectToRect(src, dst))
{
SkPaint p(paint);
SkShader* shader = SkShader::CreateBitmapShader(bm, false, SkPaint::kNo_FilterType, SkShader::kClamp_TileMode);
p.setShader(shader)->unref();
shader->setLocalMatrix(matrix);
canvas->drawRect(dst, p);
}
}
// FIXME: Remove this code when SkCanvas accepts SkRect as source rectangle.
// See crbug.com/117597 for background.
//
// WebKit wants to draw a sub-rectangle (FloatRect) in a bitmap and scale it to
// another FloatRect. However Skia only allows bitmap to be addressed by a
// IntRect. This function computes the appropriate IntRect that encloses the
// source rectangle and the corresponding enclosing destination rectangle,
// while maintaining the scale factor.
//
// |srcRect| is the source rectangle in the bitmap. Return true if fancy
// alignment is required. User of this function needs to clip to |dstRect|.
// Return false if clipping is not needed.
//
// |dstRect| is the input rectangle that |srcRect| is scaled to.
//
// |outSrcRect| and |outDstRect| are the corresponding output rectangles.
//
// ALGORITHM
//
// The objective is to (a) find an enclosing IntRect for the source rectangle
// and (b) the corresponding FloatRect in destination space.
//
// These are the steps performed:
//
// 1. IntRect enclosingSrcRect = enclosingIntRect(srcRect)
//
// Compute the enclosing IntRect for |srcRect|. This ensures the bitmap
// image is addressed with integer boundaries.
//
// 2. FloatRect enclosingDestRect = mapSrcToDest(enclosingSrcRect)
//
// Map the enclosing source rectangle to destination coordinate space.
//
// The output will be enclosingSrcRect and enclosingDestRect from the
// algorithm above.
static bool computeBitmapDrawRects(const SkISize& bitmapSize, const SkRect& srcRect, const SkRect& dstRect, SkIRect* outSrcRect, SkRect* outDstRect)
{
if (areBoundariesIntegerAligned(srcRect)) {
*outSrcRect = roundedIntRect(srcRect);
*outDstRect = dstRect;
return false;
}
SkIRect bitmapRect = SkIRect::MakeSize(bitmapSize);
SkIRect enclosingSrcRect = enclosingIntRect(srcRect);
enclosingSrcRect.intersect(bitmapRect); // Clip to bitmap rectangle.
SkRect enclosingDstRect;
enclosingDstRect.set(enclosingSrcRect);
SkMatrix transform;
transform.setRectToRect(srcRect, dstRect, SkMatrix::kFill_ScaleToFit);
transform.mapRect(&enclosingDstRect);
*outSrcRect = enclosingSrcRect;
*outDstRect = enclosingDstRect;
return true;
}
// This function is used to scale an image and extract a scaled fragment.
//
// ALGORITHM
//
// Because the scaled image size has to be integers, we approximate the real
// scale with the following formula (only X direction is shown):
//
// scaledImageWidth = round(scaleX * imageRect.width())
// approximateScaleX = scaledImageWidth / imageRect.width()
//
// With this method we maintain a constant scale factor among fragments in
// the scaled image. This allows fragments to stitch together to form the
// full scaled image. The downside is there will be a small difference
// between |scaleX| and |approximateScaleX|.
//
// A scaled image fragment is identified by:
//
// - Scaled image size
// - Scaled image fragment rectangle (IntRect)
//
// Scaled image size has been determined and the next step is to compute the
// rectangle for the scaled image fragment which needs to be an IntRect.
//
// scaledSrcRect = srcRect * (approximateScaleX, approximateScaleY)
// enclosingScaledSrcRect = enclosingIntRect(scaledSrcRect)
//
// Finally we extract the scaled image fragment using
// (scaledImageSize, enclosingScaledSrcRect).
//
static SkBitmap extractScaledImageFragment(const NativeImageSkia& bitmap, const SkRect& srcRect, float scaleX, float scaleY, SkRect* scaledSrcRect, SkIRect* enclosingScaledSrcRect)
{
SkISize imageSize = SkISize::Make(bitmap.bitmap().width(), bitmap.bitmap().height());
SkISize scaledImageSize = SkISize::Make(clampToInteger(roundf(imageSize.width() * scaleX)),
clampToInteger(roundf(imageSize.height() * scaleY)));
SkRect imageRect = SkRect::MakeWH(imageSize.width(), imageSize.height());
SkRect scaledImageRect = SkRect::MakeWH(scaledImageSize.width(), scaledImageSize.height());
SkMatrix scaleTransform;
scaleTransform.setRectToRect(imageRect, scaledImageRect, SkMatrix::kFill_ScaleToFit);
scaleTransform.mapRect(scaledSrcRect, srcRect);
scaledSrcRect->intersect(scaledImageRect);
*enclosingScaledSrcRect = enclosingIntRect(*scaledSrcRect);
// |enclosingScaledSrcRect| can be larger than |scaledImageSize| because
// of float inaccuracy so clip to get inside.
enclosingScaledSrcRect->intersect(SkIRect::MakeSize(scaledImageSize));
return bitmap.resizedBitmap(scaledImageSize, *enclosingScaledSrcRect);
}
void SkSVGDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bm, const SkRect* srcOrNull,
const SkRect& dst, const SkPaint& paint,
SkCanvas::SrcRectConstraint) {
SkMatrix adjustedMatrix;
adjustedMatrix.setRectToRect(srcOrNull ? *srcOrNull : SkRect::Make(bm.bounds()),
dst,
SkMatrix::kFill_ScaleToFit);
adjustedMatrix.postConcat(*draw.fMatrix);
SkDraw adjustedDraw(draw);
adjustedDraw.fMatrix = &adjustedMatrix;
SkClipStack adjustedClipStack;
if (srcOrNull && *srcOrNull != SkRect::Make(bm.bounds())) {
adjustedClipStack = *draw.fClipStack;
adjustedClipStack.clipRect(dst, *draw.fMatrix, SkCanvas::kIntersect_Op,
paint.isAntiAlias());
adjustedDraw.fClipStack = &adjustedClipStack;
}
drawBitmapCommon(adjustedDraw, bm, paint);
}
void SkSVGDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bm, const SkRect* srcOrNull,
const SkRect& dst, const SkPaint& paint,
SK_VIRTUAL_CONSTRAINT_TYPE) {
SkMatrix adjustedMatrix;
adjustedMatrix.setRectToRect(srcOrNull ? *srcOrNull : SkRect::Make(bm.bounds()),
dst,
SkMatrix::kFill_ScaleToFit);
adjustedMatrix.postConcat(*draw.fMatrix);
SkDraw adjustedDraw(draw);
adjustedDraw.fMatrix = &adjustedMatrix;
SkClipStack adjustedClipStack;
if (srcOrNull && *srcOrNull != SkRect::Make(bm.bounds())) {
SkRect devClipRect;
draw.fMatrix->mapRect(&devClipRect, dst);
adjustedClipStack = *draw.fClipStack;
adjustedClipStack.clipDevRect(devClipRect, SkRegion::kIntersect_Op, paint.isAntiAlias());
adjustedDraw.fClipStack = &adjustedClipStack;
}
drawBitmapCommon(adjustedDraw, bm, paint);
}
void ASurface_scaleToFullScreen_skia(ASurface* aSurface, AndroidSurfaceInfo* src,
AndroidSurfaceInfo* dst,
size_t size) {
SkBitmap dstBitmap;
SkMatrix matrix;
void *pixel = NULL;
int swidth = 0;
int sheight = 0;
int i, width, height, buf_size;
width = 0;
height = 0;
struct jpeg_ext *ext = (struct jpeg_ext *)src->bits;
char *real_jpeg = (char *)src->bits + sizeof(struct jpeg_ext);
LOGD("```````````````````````````````````");
LOGD("%s: %d\n", __func__, __LINE__);
if(ext->fragment_num == 1)
{
if (ASurface_decode(&srcBitmap, real_jpeg, size, &swidth, &sheight)) {
LOGE("decode error\n");
return;
}
LOGD("swidth = %d, sheight = %d\n", swidth, sheight);
}
else
{
SkBitmap sktemp[6];
width = 0;
height = 0;
for(i = 0; i < ext->fragment_num; i++)
{
if (ASurface_decode(&sktemp[i], real_jpeg + ext->fragment[i].offset, ext->fragment[i].size, &swidth, &sheight)) {
LOGE("decode error\n");
return;
}
width = sktemp[i].width();
height += sktemp[i].height();
}
srcBitmap.setConfig(SkBitmap::kRGB_565_Config, width, height);
LOGD("%s: real height = %d width = %d\n", __func__, height, width);
buf_size = width * height * 2;
pixel = malloc(buf_size);
if(!pixel)
return;
width = height = 0;
for(i = 0; i < ext->fragment_num; i++)
{
void *frag_buf;
width = sktemp[i].width();
frag_buf = sktemp[i].getPixels();
memcpy((char *)pixel + (height * width * 2), frag_buf, sktemp[i].getSize());
height += sktemp[i].height();
}
srcBitmap.setPixels(pixel);
}
if(dst->w != dst->s)
{
void *buf_temp;
int i, pixel_size;
SkBitmap temp;
if(dst->format == ANDROID_PIXEL_FORMAT_RGB_565)
pixel_size = 2;
else
pixel_size = 4;
buf_temp = malloc(dst->w * dst->h * pixel_size);
if(!buf_temp)
return;
temp.setConfig(convertPixelFormat(dst->format), dst->w, dst->h);
temp.setPixels(buf_temp);
matrix.setRectToRect(SkRect::MakeWH(srcBitmap.width(), srcBitmap.height()),
SkRect::MakeWH(temp.width(), temp.height()),
SkMatrix::kFill_ScaleToFit);
for(i = 0; i < (int)dst->h; i++)
memcpy((char *)dst->bits + i * dst->s * pixel_size, (char *)buf_temp + i * dst->w * pixel_size, dst->w * pixel_size);
dstBitmap.setConfig(convertPixelFormat(dst->format), dst->s, dst->h);
dstBitmap.setPixels(dst->bits);
aSurface->canvas->setBitmapDevice(dstBitmap);
aSurface->canvas->drawBitmapMatrix(srcBitmap, matrix);
free(buf_temp);
}
else
{
#ifndef SKIA_DECODE
srcBitmap.setConfig(convertPixelFormat(ANDROID_PIXEL_FORMAT_RGBA_8888), swidth, sheight);
srcBitmap.setPixels(outBuf2);
#else
#endif
initBitmap(dstBitmap, dst);
#if 0 /*original*/
LOGD("Jerry catch Tom: SKIA : g_clear_screen_client = %d\n", g_clear_screen_client);
matrix.setRectToRect(SkRect::MakeWH(srcBitmap.width(), srcBitmap.height()),
SkRect::MakeWH(dstBitmap.width(), dstBitmap.height()),
SkMatrix::kFill_ScaleToFit);
#else
/* clear screen */
//memset(srcBitmap.getPixels(), 0, width * height * 2);
LOGD("Hi, Tom, I'm Jerry!\n");
LOGD("dst->w = %d, dst->h = %d", dst->w, dst->h);
memset(dst->bits, 0, dst->w * dst->h * 2);
if (g_clear_screen_client)
{
matrix.setRectToRect(SkRect::MakeWH(srcBitmap.width(), srcBitmap.height()),
SkRect::MakeWH(dstBitmap.width(), dstBitmap.height()),
SkMatrix::kFill_ScaleToFit);
aSurface->canvas->setBitmapDevice(dstBitmap);
aSurface->canvas->drawBitmapMatrix(srcBitmap, matrix);
}
else
{
matrix.setRectToRect(SkRect::MakeWH(srcBitmap.width(), srcBitmap.height()),
SkRect::MakeWH(dstBitmap.width(), dstBitmap.height()),
SkMatrix::kCenter_ScaleToFit);
aSurface->canvas->setBitmapDevice(dstBitmap);
aSurface->canvas->drawBitmapMatrix(srcBitmap, matrix);
}
#endif
}
if(ext->fragment_num > 1)
{
free(pixel);
srcBitmap.setPixels(NULL);
}
return;
}
static void draw_vector_logo(SkCanvas* canvas, const SkRect& viewBox) {
constexpr char kSkiaStr[] = "SKIA";
constexpr SkScalar kGradientPad = .1f;
constexpr SkScalar kVerticalSpacing = 0.25f;
constexpr SkScalar kAccentScale = 1.20f;
SkPaint paint;
paint.setAntiAlias(true);
paint.setSubpixelText(true);
paint.setFakeBoldText(true);
sk_tool_utils::set_portable_typeface(&paint);
SkPath path;
SkRect iBox, skiBox, skiaBox;
paint.getTextPath("SKI", 3, 0, 0, &path);
TightBounds(path, &skiBox);
paint.getTextPath("I", 1, 0, 0, &path);
TightBounds(path, &iBox);
iBox.offsetTo(skiBox.fRight - iBox.width(), iBox.fTop);
const size_t textLen = strlen(kSkiaStr);
paint.getTextPath(kSkiaStr, textLen, 0, 0, &path);
TightBounds(path, &skiaBox);
skiaBox.outset(0, 2 * iBox.width() * (kVerticalSpacing + 1));
const SkScalar accentSize = iBox.width() * kAccentScale;
const SkScalar underlineY = iBox.bottom() +
(kVerticalSpacing + SkScalarSqrt(3) / 2) * accentSize;
SkMatrix m;
m.setRectToRect(skiaBox, viewBox, SkMatrix::kFill_ScaleToFit);
SkAutoCanvasRestore acr(canvas, true);
canvas->concat(m);
canvas->drawCircle(iBox.centerX(),
iBox.y() - (0.5f + kVerticalSpacing) * accentSize,
accentSize / 2,
paint);
path.reset();
path.moveTo(iBox.centerX() - accentSize / 2, iBox.bottom() + kVerticalSpacing * accentSize);
path.rLineTo(accentSize, 0);
path.lineTo(iBox.centerX(), underlineY);
canvas->drawPath(path, paint);
SkRect underlineRect = SkRect::MakeLTRB(iBox.centerX() - iBox.width() * accentSize * 3,
underlineY,
iBox.centerX(),
underlineY + accentSize / 10);
const SkPoint pts1[] = { SkPoint::Make(underlineRect.x(), 0),
SkPoint::Make(iBox.centerX(), 0) };
const SkScalar pos1[] = { 0, 0.75f };
const SkColor colors1[] = { SK_ColorTRANSPARENT, SK_ColorBLACK };
SkASSERT(SK_ARRAY_COUNT(pos1) == SK_ARRAY_COUNT(colors1));
paint.setShader(SkGradientShader::MakeLinear(pts1, colors1, pos1, SK_ARRAY_COUNT(pos1),
SkShader::kClamp_TileMode));
canvas->drawRect(underlineRect, paint);
const SkPoint pts2[] = { SkPoint::Make(iBox.x() - iBox.width() * kGradientPad, 0),
SkPoint::Make(iBox.right() + iBox.width() * kGradientPad, 0) };
const SkScalar pos2[] = { 0, .01f, 1.0f/3, 1.0f/3, 2.0f/3, 2.0f/3, .99f, 1 };
const SkColor colors2[] = {
SK_ColorBLACK,
0xffca5139,
0xffca5139,
0xff8dbd53,
0xff8dbd53,
0xff5460a5,
0xff5460a5,
SK_ColorBLACK
};
SkASSERT(SK_ARRAY_COUNT(pos2) == SK_ARRAY_COUNT(colors2));
paint.setShader(SkGradientShader::MakeLinear(pts2, colors2, pos2, SK_ARRAY_COUNT(pos2),
SkShader::kClamp_TileMode));
canvas->drawText(kSkiaStr, textLen, 0, 0, paint);
}
void SkBitmapDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
const SkRect* src, const SkRect& dst,
const SkPaint& paint, SkCanvas::SrcRectConstraint constraint) {
SkMatrix matrix;
SkRect bitmapBounds, tmpSrc, tmpDst;
SkBitmap tmpBitmap;
bitmapBounds.isetWH(bitmap.width(), bitmap.height());
// Compute matrix from the two rectangles
if (src) {
tmpSrc = *src;
} else {
tmpSrc = bitmapBounds;
}
matrix.setRectToRect(tmpSrc, dst, SkMatrix::kFill_ScaleToFit);
LogDrawScaleFactor(SkMatrix::Concat(*draw.fMatrix, matrix), paint.getFilterQuality());
const SkRect* dstPtr = &dst;
const SkBitmap* bitmapPtr = &bitmap;
// clip the tmpSrc to the bounds of the bitmap, and recompute dstRect if
// needed (if the src was clipped). No check needed if src==null.
if (src) {
if (!bitmapBounds.contains(*src)) {
if (!tmpSrc.intersect(bitmapBounds)) {
return; // nothing to draw
}
// recompute dst, based on the smaller tmpSrc
matrix.mapRect(&tmpDst, tmpSrc);
dstPtr = &tmpDst;
}
}
if (src && !src->contains(bitmapBounds) &&
SkCanvas::kFast_SrcRectConstraint == constraint &&
paint.getFilterQuality() != kNone_SkFilterQuality) {
// src is smaller than the bounds of the bitmap, and we are filtering, so we don't know
// how much more of the bitmap we need, so we can't use extractSubset or drawBitmap,
// but we must use a shader w/ dst bounds (which can access all of the bitmap needed).
goto USE_SHADER;
}
if (src) {
// since we may need to clamp to the borders of the src rect within
// the bitmap, we extract a subset.
const SkIRect srcIR = tmpSrc.roundOut();
if (!bitmap.extractSubset(&tmpBitmap, srcIR)) {
return;
}
bitmapPtr = &tmpBitmap;
// Since we did an extract, we need to adjust the matrix accordingly
SkScalar dx = 0, dy = 0;
if (srcIR.fLeft > 0) {
dx = SkIntToScalar(srcIR.fLeft);
}
if (srcIR.fTop > 0) {
dy = SkIntToScalar(srcIR.fTop);
}
if (dx || dy) {
matrix.preTranslate(dx, dy);
}
SkRect extractedBitmapBounds;
extractedBitmapBounds.isetWH(bitmapPtr->width(), bitmapPtr->height());
if (extractedBitmapBounds == tmpSrc) {
// no fractional part in src, we can just call drawBitmap
goto USE_DRAWBITMAP;
}
} else {
USE_DRAWBITMAP:
// We can go faster by just calling drawBitmap, which will concat the
// matrix with the CTM, and try to call drawSprite if it can. If not,
// it will make a shader and call drawRect, as we do below.
if (CanApplyDstMatrixAsCTM(matrix, paint)) {
draw.drawBitmap(*bitmapPtr, matrix, dstPtr, paint);
return;
}
}
USE_SHADER:
// Since the shader need only live for our stack-frame, pass in a custom allocator. This
// can save malloc calls, and signals to SkMakeBitmapShader to not try to copy the bitmap
// if its mutable, since that precaution is not needed (give the short lifetime of the shader).
SkTBlitterAllocator allocator;
// construct a shader, so we can call drawRect with the dst
auto s = SkMakeBitmapShader(*bitmapPtr, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode,
&matrix, kNever_SkCopyPixelsMode, &allocator);
if (!s) {
return;
}
// we deliberately add a ref, since the allocator wants to be the last owner
s.get()->ref();
SkPaint paintWithShader(paint);
paintWithShader.setStyle(SkPaint::kFill_Style);
paintWithShader.setShader(s);
// Call ourself, in case the subclass wanted to share this setup code
// but handle the drawRect code themselves.
this->drawRect(draw, *dstPtr, paintWithShader);
}
bool SkBicubicImageFilter::onFilterImage(Proxy* proxy,
const SkBitmap& source,
const SkMatrix& matrix,
SkBitmap* result,
SkIPoint* loc) {
SkBitmap src = source;
if (getInput(0) && !getInput(0)->filterImage(proxy, source, matrix, &src, loc)) {
return false;
}
if (src.config() != SkBitmap::kARGB_8888_Config) {
return false;
}
SkAutoLockPixels alp(src);
if (!src.getPixels()) {
return false;
}
SkRect dstRect = SkRect::MakeWH(SkScalarMul(SkIntToScalar(src.width()), fScale.fWidth),
SkScalarMul(SkIntToScalar(src.height()), fScale.fHeight));
SkIRect dstIRect;
dstRect.roundOut(&dstIRect);
result->setConfig(src.config(), dstIRect.width(), dstIRect.height());
result->allocPixels();
if (!result->getPixels()) {
return false;
}
SkRect srcRect;
src.getBounds(&srcRect);
SkMatrix inverse;
inverse.setRectToRect(dstRect, srcRect, SkMatrix::kFill_ScaleToFit);
inverse.postTranslate(SkFloatToScalar(-0.5f), SkFloatToScalar(-0.5f));
for (int y = dstIRect.fTop; y < dstIRect.fBottom; ++y) {
SkPMColor* dptr = result->getAddr32(dstIRect.fLeft, y);
for (int x = dstIRect.fLeft; x < dstIRect.fRight; ++x) {
SkPoint srcPt, dstPt = SkPoint::Make(SkIntToScalar(x), SkIntToScalar(y));
inverse.mapPoints(&srcPt, &dstPt, 1);
SkScalar fractx = srcPt.fX - SkScalarFloorToScalar(srcPt.fX);
SkScalar fracty = srcPt.fY - SkScalarFloorToScalar(srcPt.fY);
int sx = SkScalarFloorToInt(srcPt.fX);
int sy = SkScalarFloorToInt(srcPt.fY);
int x0 = SkClampMax(sx - 1, src.width() - 1);
int x1 = SkClampMax(sx , src.width() - 1);
int x2 = SkClampMax(sx + 1, src.width() - 1);
int x3 = SkClampMax(sx + 2, src.width() - 1);
int y0 = SkClampMax(sy - 1, src.height() - 1);
int y1 = SkClampMax(sy , src.height() - 1);
int y2 = SkClampMax(sy + 1, src.height() - 1);
int y3 = SkClampMax(sy + 2, src.height() - 1);
SkPMColor s00 = *src.getAddr32(x0, y0);
SkPMColor s10 = *src.getAddr32(x1, y0);
SkPMColor s20 = *src.getAddr32(x2, y0);
SkPMColor s30 = *src.getAddr32(x3, y0);
SkPMColor s0 = cubicBlend(fCoefficients, fractx, s00, s10, s20, s30);
SkPMColor s01 = *src.getAddr32(x0, y1);
SkPMColor s11 = *src.getAddr32(x1, y1);
SkPMColor s21 = *src.getAddr32(x2, y1);
SkPMColor s31 = *src.getAddr32(x3, y1);
SkPMColor s1 = cubicBlend(fCoefficients, fractx, s01, s11, s21, s31);
SkPMColor s02 = *src.getAddr32(x0, y2);
SkPMColor s12 = *src.getAddr32(x1, y2);
SkPMColor s22 = *src.getAddr32(x2, y2);
SkPMColor s32 = *src.getAddr32(x3, y2);
SkPMColor s2 = cubicBlend(fCoefficients, fractx, s02, s12, s22, s32);
SkPMColor s03 = *src.getAddr32(x0, y3);
SkPMColor s13 = *src.getAddr32(x1, y3);
SkPMColor s23 = *src.getAddr32(x2, y3);
SkPMColor s33 = *src.getAddr32(x3, y3);
SkPMColor s3 = cubicBlend(fCoefficients, fractx, s03, s13, s23, s33);
*dptr++ = cubicBlend(fCoefficients, fracty, s0, s1, s2, s3);
}
}
return true;
}
void SkBitmapDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
const SkRect* src, const SkRect& dst,
const SkPaint& paint,
SkCanvas::DrawBitmapRectFlags flags) {
SkMatrix matrix;
SkRect bitmapBounds, tmpSrc, tmpDst;
SkBitmap tmpBitmap;
bitmapBounds.isetWH(bitmap.width(), bitmap.height());
// Compute matrix from the two rectangles
if (src) {
tmpSrc = *src;
} else {
tmpSrc = bitmapBounds;
}
matrix.setRectToRect(tmpSrc, dst, SkMatrix::kFill_ScaleToFit);
const SkRect* dstPtr = &dst;
const SkBitmap* bitmapPtr = &bitmap;
// clip the tmpSrc to the bounds of the bitmap, and recompute dstRect if
// needed (if the src was clipped). No check needed if src==null.
if (src) {
if (!bitmapBounds.contains(*src)) {
if (!tmpSrc.intersect(bitmapBounds)) {
return; // nothing to draw
}
// recompute dst, based on the smaller tmpSrc
matrix.mapRect(&tmpDst, tmpSrc);
dstPtr = &tmpDst;
}
// since we may need to clamp to the borders of the src rect within
// the bitmap, we extract a subset.
SkIRect srcIR;
tmpSrc.roundOut(&srcIR);
if (!bitmap.extractSubset(&tmpBitmap, srcIR)) {
return;
}
bitmapPtr = &tmpBitmap;
// Since we did an extract, we need to adjust the matrix accordingly
SkScalar dx = 0, dy = 0;
if (srcIR.fLeft > 0) {
dx = SkIntToScalar(srcIR.fLeft);
}
if (srcIR.fTop > 0) {
dy = SkIntToScalar(srcIR.fTop);
}
if (dx || dy) {
matrix.preTranslate(dx, dy);
}
SkRect extractedBitmapBounds;
extractedBitmapBounds.isetWH(bitmapPtr->width(), bitmapPtr->height());
if (extractedBitmapBounds == tmpSrc) {
// no fractional part in src, we can just call drawBitmap
goto USE_DRAWBITMAP;
}
} else {
USE_DRAWBITMAP:
// We can go faster by just calling drawBitmap, which will concat the
// matrix with the CTM, and try to call drawSprite if it can. If not,
// it will make a shader and call drawRect, as we do below.
this->drawBitmap(draw, *bitmapPtr, matrix, paint);
return;
}
// construct a shader, so we can call drawRect with the dst
SkShader* s = SkShader::CreateBitmapShader(*bitmapPtr,
SkShader::kClamp_TileMode,
SkShader::kClamp_TileMode,
&matrix);
if (NULL == s) {
return;
}
SkPaint paintWithShader(paint);
paintWithShader.setStyle(SkPaint::kFill_Style);
paintWithShader.setShader(s)->unref();
// Call ourself, in case the subclass wanted to share this setup code
// but handle the drawRect code themselves.
this->drawRect(draw, *dstPtr, paintWithShader);
}
static void make_path_star(SkPath* path, const SkRect& bounds) {
make_unit_star(path, 5);
SkMatrix matrix;
matrix.setRectToRect(path->getBounds(), bounds, SkMatrix::kCenter_ScaleToFit);
path->transform(matrix);
}
DEF_TEST(Serialization, reporter) {
// Test matrix serialization
{
SkMatrix matrix = SkMatrix::I();
TestObjectSerialization(&matrix, reporter);
}
// Test path serialization
{
SkPath path;
TestObjectSerialization(&path, reporter);
}
// Test region serialization
{
SkRegion region;
TestObjectSerialization(®ion, reporter);
}
// Test xfermode serialization
{
TestXfermodeSerialization(reporter);
}
// Test color filter serialization
{
TestColorFilterSerialization(reporter);
}
// Test string serialization
{
SkString string("string");
TestObjectSerializationNoAlign<SkString, false>(&string, reporter);
TestObjectSerializationNoAlign<SkString, true>(&string, reporter);
}
// Test rrect serialization
{
// SkRRect does not initialize anything.
// An uninitialized SkRRect can be serialized,
// but will branch on uninitialized data when deserialized.
SkRRect rrect;
SkRect rect = SkRect::MakeXYWH(1, 2, 20, 30);
SkVector corners[4] = { {1, 2}, {2, 3}, {3,4}, {4,5} };
rrect.setRectRadii(rect, corners);
TestAlignment(&rrect, reporter);
}
// Test readByteArray
{
unsigned char data[kArraySize] = { 1, 2, 3 };
TestArraySerialization(data, reporter);
}
// Test readColorArray
{
SkColor data[kArraySize] = { SK_ColorBLACK, SK_ColorWHITE, SK_ColorRED };
TestArraySerialization(data, reporter);
}
// Test readIntArray
{
int32_t data[kArraySize] = { 1, 2, 4, 8 };
TestArraySerialization(data, reporter);
}
// Test readPointArray
{
SkPoint data[kArraySize] = { {6, 7}, {42, 128} };
TestArraySerialization(data, reporter);
}
// Test readScalarArray
{
SkScalar data[kArraySize] = { SK_Scalar1, SK_ScalarHalf, SK_ScalarMax };
TestArraySerialization(data, reporter);
}
// Test invalid deserializations
{
SkImageInfo info = SkImageInfo::MakeN32Premul(kBitmapSize, kBitmapSize);
SkBitmap validBitmap;
validBitmap.setInfo(info);
// Create a bitmap with a really large height
SkBitmap invalidBitmap;
invalidBitmap.setInfo(info.makeWH(info.width(), 1000000000));
// The deserialization should succeed, and the rendering shouldn't crash,
// even when the device fails to initialize, due to its size
TestBitmapSerialization(validBitmap, invalidBitmap, true, reporter);
}
// Test simple SkPicture serialization
{
SkPictureRecorder recorder;
draw_something(recorder.beginRecording(SkIntToScalar(kBitmapSize),
SkIntToScalar(kBitmapSize),
nullptr, 0));
sk_sp<SkPicture> pict(recorder.finishRecordingAsPicture());
// Serialize picture
SkBinaryWriteBuffer writer;
pict->flatten(writer);
size_t size = writer.bytesWritten();
SkAutoTMalloc<unsigned char> data(size);
writer.writeToMemory(static_cast<void*>(data.get()));
// Deserialize picture
SkValidatingReadBuffer reader(static_cast<void*>(data.get()), size);
sk_sp<SkPicture> readPict(SkPicture::MakeFromBuffer(reader));
REPORTER_ASSERT(reporter, readPict.get());
}
TestPictureTypefaceSerialization(reporter);
// Test SkLightingShader/NormalMapSource serialization
{
const int kTexSize = 2;
SkLights::Builder builder;
builder.add(SkLights::Light(SkColor3f::Make(1.0f, 1.0f, 1.0f),
SkVector3::Make(1.0f, 0.0f, 0.0f)));
builder.add(SkLights::Light(SkColor3f::Make(0.2f, 0.2f, 0.2f)));
sk_sp<SkLights> fLights = builder.finish();
SkBitmap diffuse = sk_tool_utils::create_checkerboard_bitmap(
kTexSize, kTexSize,
sk_tool_utils::color_to_565(0x0),
sk_tool_utils::color_to_565(0xFF804020),
8);
SkRect bitmapBounds = SkRect::MakeIWH(diffuse.width(), diffuse.height());
SkMatrix matrix;
SkRect r = SkRect::MakeWH(SkIntToScalar(kTexSize), SkIntToScalar(kTexSize));
matrix.setRectToRect(bitmapBounds, r, SkMatrix::kFill_ScaleToFit);
SkMatrix ctm;
ctm.setRotate(45);
SkBitmap normals;
normals.allocN32Pixels(kTexSize, kTexSize);
sk_tool_utils::create_frustum_normal_map(&normals, SkIRect::MakeWH(kTexSize, kTexSize));
sk_sp<SkShader> normalMap = SkShader::MakeBitmapShader(normals, SkShader::kClamp_TileMode,
SkShader::kClamp_TileMode, &matrix);
sk_sp<SkNormalSource> normalSource = SkNormalSource::MakeFromNormalMap(std::move(normalMap),
ctm);
sk_sp<SkShader> diffuseShader = SkShader::MakeBitmapShader(diffuse,
SkShader::kClamp_TileMode, SkShader::kClamp_TileMode, &matrix);
sk_sp<SkShader> lightingShader = SkLightingShader::Make(diffuseShader,
normalSource,
fLights);
SkAutoTUnref<SkShader>(TestFlattenableSerialization(lightingShader.get(), true, reporter));
lightingShader = SkLightingShader::Make(std::move(diffuseShader),
nullptr,
fLights);
SkAutoTUnref<SkShader>(TestFlattenableSerialization(lightingShader.get(), true, reporter));
lightingShader = SkLightingShader::Make(nullptr,
std::move(normalSource),
fLights);
SkAutoTUnref<SkShader>(TestFlattenableSerialization(lightingShader.get(), true, reporter));
lightingShader = SkLightingShader::Make(nullptr,
nullptr,
fLights);
SkAutoTUnref<SkShader>(TestFlattenableSerialization(lightingShader.get(), true, reporter));
}
// Test NormalBevelSource serialization
{
sk_sp<SkNormalSource> bevelSource = SkNormalSource::MakeBevel(
SkNormalSource::BevelType::kLinear, 2.0f, 5.0f);
SkAutoTUnref<SkNormalSource>(TestFlattenableSerialization(bevelSource.get(), true,
reporter));
// TODO test equality?
}
}
