void SkDeferredCanvas::didConcat(const SkMatrix& matrix) {
if (matrix.isIdentity()) {
return;
}
if (!this->push_concat(matrix)) {
this->flush_all();
fCanvas->concat(matrix);
this->INHERITED::didConcat(matrix);
}
}
void GraphicsContext::concatCTM(const SkMatrix& affine)
{
if (paintingDisabled())
return;
if (!affine.isIdentity())
nvgTransform(platformContext()->canvas(), affine.get(SkMatrix::kMScaleX),
affine.get(SkMatrix::kMSkewY), affine.get(SkMatrix::kMSkewX),
affine.get(SkMatrix::kMScaleY), affine.get(SkMatrix::kMTransX),
affine.get(SkMatrix::kMTransY));
//platformContext()->canvas()->concat(affine);
}
static void test_set9(skiatest::Reporter* reporter) {
SkMatrix m;
m.reset();
assert9(reporter, m, 1, 0, 0, 0, 1, 0, 0, 0, 1);
m.setScale(2, 3);
assert9(reporter, m, 2, 0, 0, 0, 3, 0, 0, 0, 1);
m.postTranslate(4, 5);
assert9(reporter, m, 2, 0, 4, 0, 3, 5, 0, 0, 1);
SkScalar buffer[9];
sk_bzero(buffer, sizeof(buffer));
buffer[SkMatrix::kMScaleX] = 1;
buffer[SkMatrix::kMScaleY] = 1;
buffer[SkMatrix::kMPersp2] = 1;
REPORTER_ASSERT(reporter, !m.isIdentity());
m.set9(buffer);
REPORTER_ASSERT(reporter, m.isIdentity());
}
sk_sp<SkImageFilter> SkLocalMatrixImageFilter::Make(const SkMatrix& localM,
sk_sp<SkImageFilter> input) {
if (!input) {
return nullptr;
}
if (localM.getType() & (SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask)) {
return nullptr;
}
if (localM.isIdentity()) {
return input;
}
return sk_sp<SkImageFilter>(new SkLocalMatrixImageFilter(localM, input));
}
void SkGPipeCanvas::didConcat(const SkMatrix& matrix) {
if (!matrix.isIdentity()) {
NOTIFY_SETUP(this);
switch (matrix.getType()) {
case SkMatrix::kTranslate_Mask:
this->recordTranslate(matrix);
break;
case SkMatrix::kScale_Mask:
this->recordScale(matrix);
break;
default:
this->recordConcat(matrix);
break;
}
}
this->INHERITED::didConcat(matrix);
}
sk_sp<SkShader> SkShader::makeWithLocalMatrix(const SkMatrix& localMatrix) const {
if (localMatrix.isIdentity()) {
return sk_ref_sp(const_cast<SkShader*>(this));
}
const SkMatrix* lm = &localMatrix;
SkShader* baseShader = const_cast<SkShader*>(this);
SkMatrix otherLocalMatrix;
SkAutoTUnref<SkShader> proxy(this->refAsALocalMatrixShader(&otherLocalMatrix));
if (proxy) {
otherLocalMatrix.preConcat(localMatrix);
lm = &otherLocalMatrix;
baseShader = proxy.get();
}
return sk_make_sp<SkLocalMatrixShader>(baseShader, *lm);
}
bool SkRasterClip::op(const SkPath& path, const SkMatrix& matrix, const SkIRect& devBounds,
SkRegion::Op op, bool doAA) {
AUTO_RASTERCLIP_VALIDATE(*this);
SkIRect bounds(devBounds);
this->applyClipRestriction(op, &bounds);
// base is used to limit the size (and therefore memory allocation) of the
// region that results from scan converting devPath.
SkRegion base;
SkPath devPath;
if (matrix.isIdentity()) {
devPath = path;
} else {
path.transform(matrix, &devPath);
devPath.setIsVolatile(true);
}
if (SkRegion::kIntersect_Op == op) {
// since we are intersect, we can do better (tighter) with currRgn's
// bounds, than just using the device. However, if currRgn is complex,
// our region blitter may hork, so we do that case in two steps.
if (this->isRect()) {
// FIXME: we should also be able to do this when this->isBW(),
// but relaxing the test above triggers GM asserts in
// SkRgnBuilder::blitH(). We need to investigate what's going on.
return this->setPath(devPath, this->bwRgn(), doAA);
} else {
base.setRect(this->getBounds());
SkRasterClip clip;
clip.setPath(devPath, base, doAA);
return this->op(clip, op);
}
} else {
base.setRect(bounds);
if (SkRegion::kReplace_Op == op) {
return this->setPath(devPath, base, doAA);
} else {
SkRasterClip clip;
clip.setPath(devPath, base, doAA);
return this->op(clip, op);
}
}
}
static void populate_tiling_pattern_dict(SkPDFDict* pattern,
SkRect& bbox, SkPDFDict* resources,
const SkMatrix& matrix) {
const int kTiling_PatternType = 1;
const int kColoredTilingPattern_PaintType = 1;
const int kConstantSpacing_TilingType = 1;
pattern->insertName("Type", "Pattern");
pattern->insertInt("PatternType", kTiling_PatternType);
pattern->insertInt("PaintType", kColoredTilingPattern_PaintType);
pattern->insertInt("TilingType", kConstantSpacing_TilingType);
pattern->insert("BBox", SkPDFUtils::RectToArray(bbox))->unref();
pattern->insertScalar("XStep", bbox.width());
pattern->insertScalar("YStep", bbox.height());
pattern->insert("Resources", resources);
if (!matrix.isIdentity()) {
pattern->insert("Matrix", SkPDFUtils::MatrixToArray(matrix))->unref();
}
}
sk_sp<GrGeometryProcessor> GrDefaultGeoProcFactory::MakeForDeviceSpace(
const Color& color,
const Coverage& coverage,
const LocalCoords& localCoords,
const SkMatrix& viewMatrix) {
SkMatrix invert = SkMatrix::I();
if (LocalCoords::kUnused_Type != localCoords.fType) {
SkASSERT(LocalCoords::kUsePosition_Type == localCoords.fType);
if (!viewMatrix.isIdentity() && !viewMatrix.invert(&invert)) {
return nullptr;
}
if (localCoords.hasLocalMatrix()) {
invert.preConcat(*localCoords.fMatrix);
}
}
LocalCoords inverted(LocalCoords::kUsePosition_Type, &invert);
return Make(color, coverage, inverted, SkMatrix::I());
}
void GrGLGeometryProcessor::setupPosition(GrGLGPBuilder* pb,
GrGPArgs* gpArgs,
const char* posName,
const SkMatrix& mat) {
GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder();
if (mat.isIdentity()) {
gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
vsBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), posName);
} else if (!mat.hasPerspective()) {
this->addUniformViewMatrix(pb);
gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
vsBuilder->codeAppendf("vec2 %s = vec2(%s * vec3(%s, 1));",
gpArgs->fPositionVar.c_str(), this->uViewM(), posName);
} else {
this->addUniformViewMatrix(pb);
gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3");
vsBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);",
gpArgs->fPositionVar.c_str(), this->uViewM(), posName);
}
}
SkPDFShader::State::State(const SkShader& shader, const SkMatrix& canvasTransform,
const SkIRect& bbox, SkScalar rasterScale)
: fCanvasTransform(canvasTransform),
fBBox(bbox),
fPixelGeneration(0) {
fInfo.fColorCount = 0;
fInfo.fColors = NULL;
fInfo.fColorOffsets = NULL;
fShaderTransform = shader.getLocalMatrix();
fImageTileModes[0] = fImageTileModes[1] = SkShader::kClamp_TileMode;
fType = shader.asAGradient(&fInfo);
if (fType == SkShader::kNone_GradientType) {
SkShader::BitmapType bitmapType;
SkMatrix matrix;
bitmapType = shader.asABitmap(&fImage, &matrix, fImageTileModes);
if (bitmapType != SkShader::kDefault_BitmapType) {
// Generic fallback for unsupported shaders:
// * allocate a bbox-sized bitmap
// * shade the whole area
// * use the result as a bitmap shader
// bbox is in device space. While that's exactly what we want for sizing our bitmap,
// we need to map it into shader space for adjustments (to match
// SkPDFImageShader::Create's behavior).
SkRect shaderRect = SkRect::Make(bbox);
if (!inverse_transform_bbox(canvasTransform, &shaderRect)) {
fImage.reset();
return;
}
// Clamp the bitmap size to about 1M pixels
static const SkScalar kMaxBitmapArea = 1024 * 1024;
SkScalar bitmapArea = rasterScale * bbox.width() * rasterScale * bbox.height();
if (bitmapArea > kMaxBitmapArea) {
rasterScale *= SkScalarSqrt(SkScalarDiv(kMaxBitmapArea, bitmapArea));
}
SkISize size = SkISize::Make(SkScalarRoundToInt(rasterScale * bbox.width()),
SkScalarRoundToInt(rasterScale * bbox.height()));
SkSize scale = SkSize::Make(SkIntToScalar(size.width()) / shaderRect.width(),
SkIntToScalar(size.height()) / shaderRect.height());
fImage.allocN32Pixels(size.width(), size.height());
fImage.eraseColor(SK_ColorTRANSPARENT);
SkPaint p;
p.setShader(const_cast<SkShader*>(&shader));
SkCanvas canvas(fImage);
canvas.scale(scale.width(), scale.height());
canvas.translate(-shaderRect.x(), -shaderRect.y());
canvas.drawPaint(p);
fShaderTransform.setTranslate(shaderRect.x(), shaderRect.y());
fShaderTransform.preScale(1 / scale.width(), 1 / scale.height());
} else {
SkASSERT(matrix.isIdentity());
}
fPixelGeneration = fImage.getGenerationID();
} else {
AllocateGradientInfoStorage();
shader.asAGradient(&fInfo);
}
}
void SkScalerContext_FreeType_Base::generateGlyphImage(
FT_Face face,
const SkGlyph& glyph,
const SkMatrix& bitmapTransform)
{
const bool doBGR = SkToBool(fRec.fFlags & SkScalerContext::kLCD_BGROrder_Flag);
const bool doVert = SkToBool(fRec.fFlags & SkScalerContext::kLCD_Vertical_Flag);
switch ( face->glyph->format ) {
case FT_GLYPH_FORMAT_OUTLINE: {
FT_Outline* outline = &face->glyph->outline;
int dx = 0, dy = 0;
if (fRec.fFlags & SkScalerContext::kSubpixelPositioning_Flag) {
dx = SkFixedToFDot6(glyph.getSubXFixed());
dy = SkFixedToFDot6(glyph.getSubYFixed());
// negate dy since freetype-y-goes-up and skia-y-goes-down
dy = -dy;
}
memset(glyph.fImage, 0, glyph.rowBytes() * glyph.fHeight);
if (SkMask::kLCD16_Format == glyph.fMaskFormat) {
FT_Outline_Translate(outline, dx, dy);
FT_Error err = FT_Render_Glyph(face->glyph, doVert ? FT_RENDER_MODE_LCD_V :
FT_RENDER_MODE_LCD);
if (err) {
SK_TRACEFTR(err, "Could not render glyph.");
return;
}
SkMask mask;
glyph.toMask(&mask);
#ifdef SK_SHOW_TEXT_BLIT_COVERAGE
memset(mask.fImage, 0x80, mask.fBounds.height() * mask.fRowBytes);
#endif
FT_GlyphSlotRec& ftGlyph = *face->glyph;
if (!SkIRect::Intersects(mask.fBounds,
SkIRect::MakeXYWH( ftGlyph.bitmap_left,
-ftGlyph.bitmap_top,
ftGlyph.bitmap.width,
ftGlyph.bitmap.rows)))
{
return;
}
// If the FT_Bitmap extent is larger, discard bits of the bitmap outside the mask.
// If the SkMask extent is larger, shrink mask to fit bitmap (clearing discarded).
unsigned char* origBuffer = ftGlyph.bitmap.buffer;
// First align the top left (origin).
if (-ftGlyph.bitmap_top < mask.fBounds.fTop) {
int32_t topDiff = mask.fBounds.fTop - (-ftGlyph.bitmap_top);
ftGlyph.bitmap.buffer += ftGlyph.bitmap.pitch * topDiff;
ftGlyph.bitmap.rows -= topDiff;
ftGlyph.bitmap_top = -mask.fBounds.fTop;
}
if (ftGlyph.bitmap_left < mask.fBounds.fLeft) {
int32_t leftDiff = mask.fBounds.fLeft - ftGlyph.bitmap_left;
ftGlyph.bitmap.buffer += leftDiff;
ftGlyph.bitmap.width -= leftDiff;
ftGlyph.bitmap_left = mask.fBounds.fLeft;
}
if (mask.fBounds.fTop < -ftGlyph.bitmap_top) {
mask.fImage += mask.fRowBytes * (-ftGlyph.bitmap_top - mask.fBounds.fTop);
mask.fBounds.fTop = -ftGlyph.bitmap_top;
}
if (mask.fBounds.fLeft < ftGlyph.bitmap_left) {
mask.fImage += sizeof(uint16_t) * (ftGlyph.bitmap_left - mask.fBounds.fLeft);
mask.fBounds.fLeft = ftGlyph.bitmap_left;
}
// Origins aligned, clean up the width and height.
int ftVertScale = (doVert ? 3 : 1);
int ftHoriScale = (doVert ? 1 : 3);
if (mask.fBounds.height() * ftVertScale < SkToInt(ftGlyph.bitmap.rows)) {
ftGlyph.bitmap.rows = mask.fBounds.height() * ftVertScale;
}
if (mask.fBounds.width() * ftHoriScale < SkToInt(ftGlyph.bitmap.width)) {
ftGlyph.bitmap.width = mask.fBounds.width() * ftHoriScale;
}
if (SkToInt(ftGlyph.bitmap.rows) < mask.fBounds.height() * ftVertScale) {
mask.fBounds.fBottom = mask.fBounds.fTop + ftGlyph.bitmap.rows / ftVertScale;
}
if (SkToInt(ftGlyph.bitmap.width) < mask.fBounds.width() * ftHoriScale) {
mask.fBounds.fRight = mask.fBounds.fLeft + ftGlyph.bitmap.width / ftHoriScale;
}
if (fPreBlend.isApplicable()) {
copyFT2LCD16<true>(ftGlyph.bitmap, mask, doBGR,
fPreBlend.fR, fPreBlend.fG, fPreBlend.fB);
} else {
copyFT2LCD16<false>(ftGlyph.bitmap, mask, doBGR,
fPreBlend.fR, fPreBlend.fG, fPreBlend.fB);
}
// Restore the buffer pointer so FreeType can properly free it.
ftGlyph.bitmap.buffer = origBuffer;
} else {
FT_BBox bbox;
FT_Bitmap target;
FT_Outline_Get_CBox(outline, &bbox);
/*
what we really want to do for subpixel is
offset(dx, dy)
compute_bounds
offset(bbox & !63)
but that is two calls to offset, so we do the following, which
achieves the same thing with only one offset call.
*/
FT_Outline_Translate(outline, dx - ((bbox.xMin + dx) & ~63),
dy - ((bbox.yMin + dy) & ~63));
target.width = glyph.fWidth;
target.rows = glyph.fHeight;
target.pitch = glyph.rowBytes();
target.buffer = reinterpret_cast<uint8_t*>(glyph.fImage);
target.pixel_mode = compute_pixel_mode( (SkMask::Format)fRec.fMaskFormat);
target.num_grays = 256;
FT_Outline_Get_Bitmap(face->glyph->library, outline, &target);
#ifdef SK_SHOW_TEXT_BLIT_COVERAGE
for (int y = 0; y < glyph.fHeight; ++y) {
for (int x = 0; x < glyph.fWidth; ++x) {
uint8_t& a = ((uint8_t*)glyph.fImage)[(glyph.rowBytes() * y) + x];
a = SkTMax<uint8_t>(a, 0x20);
}
}
#endif
}
} break;
case FT_GLYPH_FORMAT_BITMAP: {
FT_Pixel_Mode pixel_mode = static_cast<FT_Pixel_Mode>(face->glyph->bitmap.pixel_mode);
SkMask::Format maskFormat = static_cast<SkMask::Format>(glyph.fMaskFormat);
// Assume that the other formats do not exist.
SkASSERT(FT_PIXEL_MODE_MONO == pixel_mode ||
FT_PIXEL_MODE_GRAY == pixel_mode ||
FT_PIXEL_MODE_BGRA == pixel_mode);
// These are the only formats this ScalerContext should request.
SkASSERT(SkMask::kBW_Format == maskFormat ||
SkMask::kA8_Format == maskFormat ||
SkMask::kARGB32_Format == maskFormat ||
SkMask::kLCD16_Format == maskFormat);
// If no scaling needed, directly copy glyph bitmap.
if (bitmapTransform.isIdentity()) {
SkMask dstMask;
glyph.toMask(&dstMask);
copyFTBitmap(face->glyph->bitmap, dstMask);
break;
}
// Otherwise, scale the bitmap.
// Copy the FT_Bitmap into an SkBitmap (either A8 or ARGB)
SkBitmap unscaledBitmap;
// TODO: mark this as sRGB when the blits will be sRGB.
unscaledBitmap.allocPixels(SkImageInfo::Make(face->glyph->bitmap.width,
face->glyph->bitmap.rows,
SkColorType_for_FTPixelMode(pixel_mode),
kPremul_SkAlphaType));
SkMask unscaledBitmapAlias;
unscaledBitmapAlias.fImage = reinterpret_cast<uint8_t*>(unscaledBitmap.getPixels());
unscaledBitmapAlias.fBounds.set(0, 0, unscaledBitmap.width(), unscaledBitmap.height());
unscaledBitmapAlias.fRowBytes = unscaledBitmap.rowBytes();
unscaledBitmapAlias.fFormat = SkMaskFormat_for_SkColorType(unscaledBitmap.colorType());
copyFTBitmap(face->glyph->bitmap, unscaledBitmapAlias);
// Wrap the glyph's mask in a bitmap, unless the glyph's mask is BW or LCD.
// BW requires an A8 target for resizing, which can then be down sampled.
// LCD should use a 4x A8 target, which will then be down sampled.
// For simplicity, LCD uses A8 and is replicated.
int bitmapRowBytes = 0;
if (SkMask::kBW_Format != maskFormat && SkMask::kLCD16_Format != maskFormat) {
bitmapRowBytes = glyph.rowBytes();
}
SkBitmap dstBitmap;
// TODO: mark this as sRGB when the blits will be sRGB.
dstBitmap.setInfo(SkImageInfo::Make(glyph.fWidth, glyph.fHeight,
SkColorType_for_SkMaskFormat(maskFormat),
kPremul_SkAlphaType),
bitmapRowBytes);
if (SkMask::kBW_Format == maskFormat || SkMask::kLCD16_Format == maskFormat) {
dstBitmap.allocPixels();
} else {
dstBitmap.setPixels(glyph.fImage);
}
// Scale unscaledBitmap into dstBitmap.
SkCanvas canvas(dstBitmap);
#ifdef SK_SHOW_TEXT_BLIT_COVERAGE
canvas.clear(0x33FF0000);
#else
canvas.clear(SK_ColorTRANSPARENT);
#endif
canvas.translate(-glyph.fLeft, -glyph.fTop);
canvas.concat(bitmapTransform);
canvas.translate(face->glyph->bitmap_left, -face->glyph->bitmap_top);
SkPaint paint;
paint.setFilterQuality(kMedium_SkFilterQuality);
canvas.drawBitmap(unscaledBitmap, 0, 0, &paint);
// If the destination is BW or LCD, convert from A8.
if (SkMask::kBW_Format == maskFormat) {
// Copy the A8 dstBitmap into the A1 glyph.fImage.
SkMask dstMask;
glyph.toMask(&dstMask);
packA8ToA1(dstMask, dstBitmap.getAddr8(0, 0), dstBitmap.rowBytes());
} else if (SkMask::kLCD16_Format == maskFormat) {
// Copy the A8 dstBitmap into the LCD16 glyph.fImage.
uint8_t* src = dstBitmap.getAddr8(0, 0);
uint16_t* dst = reinterpret_cast<uint16_t*>(glyph.fImage);
for (int y = dstBitmap.height(); y --> 0;) {
for (int x = 0; x < dstBitmap.width(); ++x) {
dst[x] = grayToRGB16(src[x]);
}
dst = (uint16_t*)((char*)dst + glyph.rowBytes());
src += dstBitmap.rowBytes();
}
}
} break;
default:
SkDEBUGFAIL("unknown glyph format");
memset(glyph.fImage, 0, glyph.rowBytes() * glyph.fHeight);
return;
}
// We used to always do this pre-USE_COLOR_LUMINANCE, but with colorlum,
// it is optional
#if defined(SK_GAMMA_APPLY_TO_A8)
if (SkMask::kA8_Format == glyph.fMaskFormat && fPreBlend.isApplicable()) {
uint8_t* SK_RESTRICT dst = (uint8_t*)glyph.fImage;
unsigned rowBytes = glyph.rowBytes();
for (int y = glyph.fHeight - 1; y >= 0; --y) {
for (int x = glyph.fWidth - 1; x >= 0; --x) {
dst[x] = fPreBlend.fG[dst[x]];
}
dst += rowBytes;
}
}
#endif
}
static void draw_path_with_mask_filter(GrContext* context,
GrDrawContext* drawContext,
const GrClip& clip,
GrPaint* paint,
const SkMatrix& viewMatrix,
const SkMaskFilter* maskFilter,
const GrStyle& style,
const SkPath* path,
bool pathIsMutable) {
SkASSERT(maskFilter);
SkIRect clipBounds;
clip.getConservativeBounds(drawContext->width(), drawContext->height(), &clipBounds);
SkTLazy<SkPath> tmpPath;
SkStrokeRec::InitStyle fillOrHairline;
// We just fully apply the style here.
if (style.applies()) {
if (!style.applyToPath(tmpPath.init(), &fillOrHairline, *path,
GrStyle::MatrixToScaleFactor(viewMatrix))) {
return;
}
pathIsMutable = true;
path = tmpPath.get();
} else if (style.isSimpleHairline()) {
fillOrHairline = SkStrokeRec::kHairline_InitStyle;
} else {
SkASSERT(style.isSimpleFill());
fillOrHairline = SkStrokeRec::kFill_InitStyle;
}
// transform the path into device space
if (!viewMatrix.isIdentity()) {
SkPath* result;
if (pathIsMutable) {
result = const_cast<SkPath*>(path);
} else {
if (!tmpPath.isValid()) {
tmpPath.init();
}
result = tmpPath.get();
}
path->transform(viewMatrix, result);
path = result;
result->setIsVolatile(true);
pathIsMutable = true;
}
SkRect maskRect;
if (maskFilter->canFilterMaskGPU(SkRRect::MakeRect(path->getBounds()),
clipBounds,
viewMatrix,
&maskRect)) {
// This mask will ultimately be drawn as a non-AA rect (see draw_mask).
// Non-AA rects have a bad habit of snapping arbitrarily. Integerize here
// so the mask draws in a reproducible manner.
SkIRect finalIRect;
maskRect.roundOut(&finalIRect);
if (clip_bounds_quick_reject(clipBounds, finalIRect)) {
// clipped out
return;
}
if (maskFilter->directFilterMaskGPU(context->textureProvider(),
drawContext,
paint,
clip,
viewMatrix,
SkStrokeRec(fillOrHairline),
*path)) {
// the mask filter was able to draw itself directly, so there's nothing
// left to do.
return;
}
sk_sp<GrTexture> mask(create_mask_GPU(context,
finalIRect,
*path,
fillOrHairline,
paint->isAntiAlias(),
drawContext->numColorSamples()));
if (mask) {
GrTexture* filtered;
if (maskFilter->filterMaskGPU(mask.get(), viewMatrix, finalIRect, &filtered, true)) {
// filterMaskGPU gives us ownership of a ref to the result
SkAutoTUnref<GrTexture> atu(filtered);
if (draw_mask(drawContext, clip, viewMatrix, finalIRect, paint, filtered)) {
// This path is completely drawn
return;
}
}
}
}
sw_draw_with_mask_filter(drawContext, context->textureProvider(),
clip, viewMatrix, *path,
maskFilter, clipBounds, paint, fillOrHairline);
}
Boolean Matrix::NativeIsIdentity(
/* [in] */ Int64 nObj)
{
SkMatrix* obj = reinterpret_cast<SkMatrix*>(nObj);
return obj->isIdentity() ? TRUE : FALSE;
}
static jboolean isIdentity(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
return obj->isIdentity() ? JNI_TRUE : JNI_FALSE;
}