// found and fixed for webkit: mishandling when we hit recursion limit on
// mostly degenerate cubic flatness test
DEF_TEST(Paint_regression_cubic, reporter) {
SkPath path, stroke;
SkPaint paint;
path.moveTo(460.2881309415525f,
303.250847066498f);
path.cubicTo(463.36378422175284f,
302.1169735073363f,
456.32239330810046f,
304.720354932878f,
453.15255460013304f,
305.788586869862f);
SkRect fillR, strokeR;
fillR = path.getBounds();
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SkIntToScalar(2));
paint.getFillPath(path, &stroke);
strokeR = stroke.getBounds();
SkRect maxR = fillR;
SkScalar miter = SkMaxScalar(SK_Scalar1, paint.getStrokeMiter());
SkScalar inset = paint.getStrokeJoin() == SkPaint::kMiter_Join ?
SkScalarMul(paint.getStrokeWidth(), miter) :
paint.getStrokeWidth();
maxR.inset(-inset, -inset);
// test that our stroke didn't explode
REPORTER_ASSERT(reporter, maxR.contains(strokeR));
}
void SkStrokeRec::init(const SkPaint& paint, SkPaint::Style style) {
switch (style) {
case SkPaint::kFill_Style:
fWidth = kStrokeRec_FillStyleWidth;
fStrokeAndFill = false;
break;
case SkPaint::kStroke_Style:
fWidth = paint.getStrokeWidth();
fStrokeAndFill = false;
break;
case SkPaint::kStrokeAndFill_Style:
if (0 == paint.getStrokeWidth()) {
// hairline+fill == fill
fWidth = kStrokeRec_FillStyleWidth;
fStrokeAndFill = false;
} else {
fWidth = paint.getStrokeWidth();
fStrokeAndFill = true;
}
break;
default:
SkDEBUGFAIL("unknown paint style");
// fall back on just fill
fWidth = kStrokeRec_FillStyleWidth;
fStrokeAndFill = false;
break;
}
// copy these from the paint, regardless of our "style"
fMiterLimit = paint.getStrokeMiter();
fCap = paint.getStrokeCap();
fJoin = paint.getStrokeJoin();
}
virtual void handlePath(SkCanvas* canvas, const SkPath& path,
const SkPaint& paint, int N) override {
SkPoint pts[2];
if (!path.isLine(pts) || pts[0].fY != pts[1].fY) {
this->INHERITED::handlePath(canvas, path, paint, N);
} else {
SkRect rect;
rect.fLeft = pts[0].fX;
rect.fTop = pts[0].fY - paint.getStrokeWidth() / 2;
rect.fRight = rect.fLeft + SkIntToScalar(fWidth);
rect.fBottom = rect.fTop + paint.getStrokeWidth();
SkPaint p(paint);
p.setStyle(SkPaint::kFill_Style);
p.setPathEffect(nullptr);
int count = SkScalarRoundToInt((pts[1].fX - pts[0].fX) / (2*fWidth));
SkScalar dx = SkIntToScalar(2 * fWidth);
for (int i = 0; i < N*10; ++i) {
SkRect r = rect;
for (int j = 0; j < count; ++j) {
canvas->drawRect(r, p);
r.offset(dx, 0);
}
}
}
}
void onDraw(SkCanvas* canvas) override {
canvas->translate(20, 20);
SkRect r = SkRect::MakeWH(1000, 1000);
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(15);
const SkScalar inset = paint.getStrokeWidth() + 4;
const SkScalar sweepAngle = 345;
SkRandom rand;
SkScalar sign = 1;
while (r.width() > paint.getStrokeWidth() * 3) {
paint.setColor(sk_tool_utils::color_to_565(rand.nextU() | (0xFF << 24)));
SkScalar startAngle = rand.nextUScalar1() * 360;
SkScalar speed = SkScalarSqrt(16 / r.width()) * 0.5f;
startAngle += fRotate * 360 * speed * sign;
SkPath path;
path.addArc(r, startAngle, sweepAngle);
canvas->drawPath(path, paint);
r.inset(inset, inset);
sign = -sign;
}
}
static void lettersToBitmap2(SkBitmap* dst, const char chars[],
const SkPaint& original, SkBitmap::Config config) {
SkPath path;
SkScalar x = 0;
SkScalar width;
SkPath p;
for (size_t i = 0; i < strlen(chars); i++) {
original.getTextPath(&chars[i], 1, x, 0, &p);
path.addPath(p);
original.getTextWidths(&chars[i], 1, &width);
x += width;
}
SkRect bounds = path.getBounds();
SkScalar sw = -original.getStrokeWidth();
bounds.inset(sw, sw);
path.offset(-bounds.fLeft, -bounds.fTop);
bounds.offset(-bounds.fLeft, -bounds.fTop);
int w = SkScalarRound(bounds.width());
int h = SkScalarRound(bounds.height());
SkPaint paint(original);
paint.setAntiAlias(true);
paint.setXfermodeMode(SkXfermode::kDstATop_Mode);
paint.setColor(original.getColor());
paint.setStyle(SkPaint::kStroke_Style);
dst->setConfig(config, w, h);
dst->allocPixels();
dst->eraseColor(SK_ColorWHITE);
SkCanvas canvas(*dst);
canvas.drawPath(path, paint);
}
SkStroke::SkStroke(const SkPaint& p) {
fWidth = p.getStrokeWidth();
fMiterLimit = p.getStrokeMiter();
fCap = (uint8_t)p.getStrokeCap();
fJoin = (uint8_t)p.getStrokeJoin();
fDoFill = SkToU8(p.getStyle() == SkPaint::kStrokeAndFill_Style);
}
bool GrStencilAndCoverTextContext::canDraw(const GrRenderTarget* rt,
const GrClip& clip,
const GrPaint& paint,
const SkPaint& skPaint,
const SkMatrix& viewMatrix) {
if (skPaint.getRasterizer()) {
return false;
}
if (skPaint.getMaskFilter()) {
return false;
}
if (SkPathEffect* pe = skPaint.getPathEffect()) {
if (pe->asADash(NULL) != SkPathEffect::kDash_DashType) {
return false;
}
}
// No hairlines unless we can map the 1 px width to the object space.
if (skPaint.getStyle() == SkPaint::kStroke_Style
&& skPaint.getStrokeWidth() == 0
&& viewMatrix.hasPerspective()) {
return false;
}
// No color bitmap fonts.
SkScalerContext::Rec rec;
SkScalerContext::MakeRec(skPaint, &fDeviceProperties, NULL, &rec);
return rec.getFormat() != SkMask::kARGB32_Format;
}
void OsmAnd::MapRasterizer_P::rasterizePolylineShadow(
const Context& context,
SkCanvas& canvas,
const SkPath& path,
SkPaint& paint,
const ColorARGB shadowColor,
const float shadowRadius)
{
if (context.shadowMode == MapPresentationEnvironment::ShadowMode::BlurShadow && shadowRadius > 0.0f)
{
// simply draw shadow? difference from option 3 ?
paint.setLooper(SkBlurDrawLooper::Create(
shadowColor.toSkColor(),
SkBlurMaskFilter::ConvertRadiusToSigma(shadowRadius),
0,
0))->unref();
canvas.drawPath(path, paint);
}
else if (context.shadowMode == MapPresentationEnvironment::ShadowMode::SolidShadow && shadowRadius > 0.0f)
{
paint.setLooper(nullptr);
paint.setStrokeWidth(paint.getStrokeWidth() + shadowRadius * 2);
paint.setColorFilter(SkColorFilter::CreateModeFilter(
shadowColor.toSkColor(),
SkXfermode::kSrcIn_Mode))->unref();
canvas.drawPath(path, paint);
}
}
virtual void onDrawContent(SkCanvas* canvas) {
static const char* gStr[] = {
"11",
"44",
"112233",
"411327463524",
};
SkPaint paint;
paint.setStrokeWidth(SkIntToScalar(1));
SkScalar x0 = SkIntToScalar(10);
SkScalar y0 = SkIntToScalar(10);
SkScalar x1 = x0 + SkIntToScalar(1000);
for (size_t i = 0; i < SK_ARRAY_COUNT(gStr); i++) {
SkScalar interval[12];
size_t len = SkMin32(strlen(gStr[i]), SK_ARRAY_COUNT(interval));
for (size_t j = 0; j < len; j++) {
interval[j] = SkIntToScalar(gStr[i][j] - '0');
}
SkDashPathEffect dash(interval, len, 0);
paint.setPathEffect(&dash);
canvas->drawLine(x0, y0, x1, y0, paint);
paint.setPathEffect(NULL);
y0 += paint.getStrokeWidth() * 3;
}
setBitmapDash(&paint, 3);
canvas->drawLine(x0, y0, x1, y0, paint);
}
static void draw_rect(SkCanvas* canvas, bool showGL, int flags) {
SkPaint paint;
paint.setAntiAlias(true);
SkRect r = SkRect::MakeLTRB(50, 70, 250, 370);
setFade(&paint, showGL);
canvas->drawRect(r, paint);
if (showGL) {
show_mesh(canvas, r);
}
canvas->translate(320, 0);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(25);
canvas->drawRect(r, paint);
if (showGL) {
SkScalar rad = paint.getStrokeWidth() / 2;
SkPoint pts[8];
r.outset(rad, rad);
r.toQuad(&pts[0]);
r.inset(rad*2, rad*2);
r.toQuad(&pts[4]);
const uint16_t indices[] = {
0, 4, 1, 5, 2, 6, 3, 7, 0, 4
};
show_mesh(canvas, pts, indices, SK_ARRAY_COUNT(indices));
}
}
SkPDFGraphicState::SkPDFGraphicState(const SkPaint& p)
: fStrokeWidth(p.getStrokeWidth())
, fStrokeMiter(p.getStrokeMiter())
, fAlpha(p.getAlpha())
, fStrokeCap(SkToU8(p.getStrokeCap()))
, fStrokeJoin(SkToU8(p.getStrokeJoin()))
, fMode(SkToU8(mode_for_pdf(p.getXfermode()))) {}
static void draw_sweep(SkCanvas* c, int width, int height, SkScalar angle) {
SkRect r;
SkPaint p;
p.setAntiAlias(true);
// p.setDither(true);
p.setStrokeWidth(SkIntToScalar(width/10));
p.setStyle(SkPaint::kStroke_Style);
r.set(0, 0, SkIntToScalar(width), SkIntToScalar(height));
// SkColor colors[] = { SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN, SK_ColorCYAN };
SkColor colors[] = { 0x4c737373, 0x4c737373, 0xffffd300 };
SkShader* s = SkGradientShader::CreateSweep(r.centerX(), r.centerY(),
colors, NULL, SK_ARRAY_COUNT(colors));
p.setShader(s)->unref();
SkAutoCanvasRestore acr(c, true);
c->translate(r.centerX(), r.centerY());
c->rotate(angle);
c->translate(-r.centerX(), -r.centerY());
SkRect bounds = r;
r.inset(p.getStrokeWidth(), p.getStrokeWidth());
SkRect innerBounds = r;
if (true) {
c->drawOval(r, p);
} else {
SkScalar x = r.centerX();
SkScalar y = r.centerY();
SkScalar radius = r.width() / 2;
SkScalar thickness = p.getStrokeWidth();
SkScalar sweep = SkFloatToScalar(360.0f);
SkPath path;
path.moveTo(x + radius, y);
// outer top
path.lineTo(x + radius + thickness, y);
// outer arc
path.arcTo(bounds, 0, sweep, false);
// inner arc
path.arcTo(innerBounds, sweep, -sweep, false);
path.close();
}
}
TessellationCache::Description::Description(Type type, const Matrix4& transform, const SkPaint& paint)
: type(type)
, aa(paint.isAntiAlias())
, cap(paint.getStrokeCap())
, style(paint.getStyle())
, strokeWidth(paint.getStrokeWidth()) {
PathTessellator::extractTessellationScales(transform, &scaleX, &scaleY);
memset(&shape, 0, sizeof(Shape));
}
virtual void onDrawContent(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SkIntToScalar(20));
SkPaint hair;
hair.setStyle(SkPaint::kStroke_Style);
hair.setColor(SK_ColorRED);
static const SkISize gSize[] = {
{ 100, 50 },
{ 100, 0 },
{ 0, 50 },
{ 0, 0 }
};
static const SkPaint::Join gJoin[] = {
SkPaint::kMiter_Join,
SkPaint::kRound_Join,
SkPaint::kBevel_Join
};
canvas->translate(paint.getStrokeWidth(), paint.getStrokeWidth());
for (size_t i = 0; i < SK_ARRAY_COUNT(gJoin); ++i) {
paint.setStrokeJoin(gJoin[i]);
canvas->save();
for (size_t j = 0; j < SK_ARRAY_COUNT(gSize); ++j) {
SkRect r = SkRect::MakeWH(SkIntToScalar(gSize[j].fWidth),
SkIntToScalar(gSize[j].fHeight));
canvas->drawRect(r, paint);
canvas->drawRect(r, hair);
canvas->translate(0, SkIntToScalar(100));
}
canvas->restore();
canvas->translate(SkIntToScalar(150), 0);
}
}
void SkPDFDevice::drawPoints(const SkDraw& d, SkCanvas::PointMode mode,
size_t count, const SkPoint* points,
const SkPaint& paint) {
if (count == 0)
return;
switch (mode) {
case SkCanvas::kPolygon_PointMode:
updateGSFromPaint(paint, false);
SkPDFUtils::MoveTo(points[0].fX, points[0].fY, &fContent);
for (size_t i = 1; i < count; i++) {
SkPDFUtils::AppendLine(points[i].fX, points[i].fY, &fContent);
}
SkPDFUtils::StrokePath(&fContent);
break;
case SkCanvas::kLines_PointMode:
updateGSFromPaint(paint, false);
for (size_t i = 0; i < count/2; i++) {
SkPDFUtils::MoveTo(points[i * 2].fX, points[i * 2].fY,
&fContent);
SkPDFUtils::AppendLine(points[i * 2 + 1].fX,
points[i * 2 + 1].fY, &fContent);
SkPDFUtils::StrokePath(&fContent);
}
break;
case SkCanvas::kPoints_PointMode:
if (paint.getStrokeCap() == SkPaint::kRound_Cap) {
updateGSFromPaint(paint, false);
for (size_t i = 0; i < count; i++) {
SkPDFUtils::MoveTo(points[i].fX, points[i].fY, &fContent);
SkPDFUtils::StrokePath(&fContent);
}
} else {
// PDF won't draw a single point with square/butt caps because
// the orientation is ambiguous. Draw a rectangle instead.
SkPaint newPaint = paint;
newPaint.setStyle(SkPaint::kFill_Style);
SkScalar strokeWidth = paint.getStrokeWidth();
SkScalar halfStroke = strokeWidth * SK_ScalarHalf;
for (size_t i = 0; i < count; i++) {
SkRect r = SkRect::MakeXYWH(points[i].fX, points[i].fY,
0, 0);
r.inset(-halfStroke, -halfStroke);
drawRect(d, r, newPaint);
}
}
break;
default:
SkASSERT(false);
}
}
static uint16_t compute_nondef(const SkPaint& paint, PaintUsage usage) {
// kRespectsStroke_PaintUsage is only valid if other bits are also set
SkASSERT(0 != (usage & ~kRespectsStroke_PaintUsage));
const SkScalar kTextSize_Default = 12;
const SkScalar kTextScaleX_Default = 1;
const SkScalar kTextSkewX_Default = 0;
const SkScalar kStrokeWidth_Default = 0;
const SkScalar kStrokeMiter_Default = 4;
const SkColor kColor_Default = SK_ColorBLACK;
unsigned bits = (paint.getColor() != kColor_Default) ? kColor_NonDef : 0;
if (usage & kText_PaintUsage) {
bits |= (paint.getTextSize() != kTextSize_Default ? kTextSize_NonDef : 0);
bits |= (paint.getTextScaleX() != kTextScaleX_Default ? kTextScaleX_NonDef : 0);
bits |= (paint.getTextSkewX() != kTextSkewX_Default ? kTextSkewX_NonDef : 0);
bits |= (paint.getTypeface() ? kTypeface_NonDef : 0);
}
// TODO: kImage_PaintUsage only needs the shader/maskfilter IF its colortype is kAlpha_8
if (usage & (kVertices_PaintUsage | kDrawPaint_PaintUsage | kImage_PaintUsage |
kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) {
bits |= (paint.getShader() ? kShader_NonDef : 0);
}
if (usage & (kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) {
bits |= (paint.getPathEffect() ? kPathEffect_NonDef : 0);
bits |= (paint.getRasterizer() ? kRasterizer_NonDef : 0);
if (paint.getStyle() != SkPaint::kFill_Style || (usage & kRespectsStroke_PaintUsage)) {
bits |= (paint.getStrokeWidth() != kStrokeWidth_Default ? kStrokeWidth_NonDef : 0);
bits |= (paint.getStrokeMiter() != kStrokeMiter_Default ? kStrokeMiter_NonDef : 0);
}
}
if (usage &
(kText_PaintUsage | kGeometry_PaintUsage | kImage_PaintUsage | kTextBlob_PaintUsage))
{
bits |= (paint.getMaskFilter() ? kMaskFilter_NonDef : 0);
}
bits |= (paint.getColorFilter() ? kColorFilter_NonDef : 0);
bits |= (paint.getImageFilter() ? kImageFilter_NonDef : 0);
bits |= (paint.getDrawLooper() ? kDrawLooper_NonDef : 0);
return SkToU16(bits);
}
bool GrStencilAndCoverTextContext::internalCanDraw(const SkPaint& skPaint) {
if (skPaint.getRasterizer()) {
return false;
}
if (skPaint.getMaskFilter()) {
return false;
}
if (SkPathEffect* pe = skPaint.getPathEffect()) {
if (pe->asADash(nullptr) != SkPathEffect::kDash_DashType) {
return false;
}
}
// No hairlines. They would require new paths with customized strokes for every new draw matrix.
return SkPaint::kStroke_Style != skPaint.getStyle() || 0 != skPaint.getStrokeWidth();
}
void SkSVGDevice::AutoElement::addPaint(const SkPaint& paint, const Resources& resources) {
SkPaint::Style style = paint.getStyle();
if (style == SkPaint::kFill_Style || style == SkPaint::kStrokeAndFill_Style) {
this->addAttribute("fill", resources.fPaintServer);
if (SK_AlphaOPAQUE != SkColorGetA(paint.getColor())) {
this->addAttribute("fill-opacity", svg_opacity(paint.getColor()));
}
} else {
SkASSERT(style == SkPaint::kStroke_Style);
this->addAttribute("fill", "none");
}
if (style == SkPaint::kStroke_Style || style == SkPaint::kStrokeAndFill_Style) {
this->addAttribute("stroke", resources.fPaintServer);
SkScalar strokeWidth = paint.getStrokeWidth();
if (strokeWidth == 0) {
// Hairline stroke
strokeWidth = 1;
this->addAttribute("vector-effect", "non-scaling-stroke");
}
this->addAttribute("stroke-width", strokeWidth);
if (const char* cap = svg_cap(paint.getStrokeCap())) {
this->addAttribute("stroke-linecap", cap);
}
if (const char* join = svg_join(paint.getStrokeJoin())) {
this->addAttribute("stroke-linejoin", join);
}
if (paint.getStrokeJoin() == SkPaint::kMiter_Join) {
this->addAttribute("stroke-miterlimit", paint.getStrokeMiter());
}
if (SK_AlphaOPAQUE != SkColorGetA(paint.getColor())) {
this->addAttribute("stroke-opacity", svg_opacity(paint.getColor()));
}
} else {
SkASSERT(style == SkPaint::kFill_Style);
this->addAttribute("stroke", "none");
}
}
static void paint_write(const SkPaint& paint, SkFlattenableWriteBuffer& buffer)
{
buffer.writeBool(paint.isAntiAlias());
buffer.write8(paint.getStyle());
buffer.write8(paint.getAlpha());
if (paint.getStyle() != SkPaint::kFill_Style)
{
buffer.writeScalar(paint.getStrokeWidth());
buffer.writeScalar(paint.getStrokeMiter());
buffer.write8(paint.getStrokeCap());
buffer.write8(paint.getStrokeJoin());
}
buffer.writeFlattenable(paint.getMaskFilter());
buffer.writeFlattenable(paint.getPathEffect());
buffer.writeFlattenable(paint.getRasterizer());
buffer.writeFlattenable(paint.getXfermode());
}
void SkGLDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
size_t count, const SkPoint pts[], const SkPaint& paint) {
TRACE_DRAW("coreDrawPoints", this, draw);
SkScalar width = paint.getStrokeWidth();
if (width < 0) {
return;
}
/* We should really only use drawverts for hairlines, since gl and skia
treat the thickness differently...
*/
AutoPaintShader shader(this, paint);
if (width <= 0) {
width = SK_Scalar1;
}
if (SkCanvas::kPoints_PointMode == mode) {
glPointSize(SkScalarToFloat(width));
} else {
glLineWidth(SkScalarToFloat(width));
}
const SkGLVertex* verts;
#if GLSCALAR_IS_SCALAR
verts = (const SkGLVertex*)pts;
#else
SkAutoSTMalloc<32, SkGLVertex> storage(count);
SkGLVertex* v = storage.get();
v->setPoints(pts, count);
verts = v;
#endif
const SkGLVertex* texs = shader.useTex() ? verts : NULL;
SkGL::DrawVertices(count, gPointMode2GL[mode], verts, texs, NULL, NULL,
this->updateMatrixClip());
}
static bool setupForText(SkPaint* paint, GraphicsContext* gc,
const SimpleFontData* font) {
int mode = gc->textDrawingMode();
if ((mode & (cTextFill | cTextStroke)) == (cTextFill | cTextStroke)) {
SkLayerDrawLooper* looper = new SkLayerDrawLooper;
paint->setLooper(looper)->unref();
// we clear the looper, in case we have a shadow
SkPaint* fillP = NULL;
SkPaint* strokeP = NULL;
if (gc->willStroke()) {
strokeP = setupStroke(looper->addLayer(), gc, font);
strokeP->setLooper(NULL);
}
if (gc->willFill()) {
fillP = setupFill(looper->addLayer(), gc, font);
fillP->setLooper(NULL);
}
SkPaint shadowPaint;
SkPoint offset;
if (gc->setupShadowPaint(&shadowPaint, &offset)) {
SkPaint* p = looper->addLayer(offset.fX, offset.fY);
*p = shadowPaint;
if (strokeP && !fillP) {
// stroke the shadow if we have stroke but no fill
p->setStyle(SkPaint::kStroke_Style);
p->setStrokeWidth(strokeP->getStrokeWidth());
}
updateForFont(p, font);
}
} else if (mode & cTextFill) {
(void)setupFill(paint, gc, font);
} else if (mode & cTextStroke) {
(void)setupStroke(paint, gc, font);
} else {
return false;
}
return true;
}
void SkBBoxRecord::drawPoints(PointMode mode, size_t count, const SkPoint pts[],
const SkPaint& paint) {
SkRect bbox;
bbox.set(pts, SkToInt(count));
// Small min width value, just to ensure hairline point bounding boxes aren't empty.
// Even though we know hairline primitives are drawn one pixel wide, we do not use a
// minimum of 1 because the playback scale factor is unknown at record time. Later
// outsets will take care of adding additional padding for antialiasing and rounding out
// to integer device coordinates, guaranteeing that the rasterized pixels will be included
// in the computed bounds.
// Note: The device coordinate outset in SkBBoxHierarchyRecord::handleBBox is currently
// done in the recording coordinate space, which is wrong.
// http://code.google.com/p/skia/issues/detail?id=1021
static const SkScalar kMinWidth = 0.01f;
SkScalar halfStrokeWidth = SkMaxScalar(paint.getStrokeWidth(), kMinWidth) / 2;
bbox.outset(halfStrokeWidth, halfStrokeWidth);
if (this->transformBounds(bbox, &paint)) {
INHERITED::drawPoints(mode, count, pts, paint);
}
}
PassRefPtr<JSONObject> LoggingCanvas::objectForSkPaint(const SkPaint& paint)
{
RefPtr<JSONObject> paintItem = JSONObject::create();
paintItem->setNumber("textSize", paint.getTextSize());
paintItem->setNumber("textScaleX", paint.getTextScaleX());
paintItem->setNumber("textSkewX", paint.getTextSkewX());
if (SkShader* shader = paint.getShader())
paintItem->setObject("shader", objectForSkShader(*shader));
paintItem->setString("color", stringForSkColor(paint.getColor()));
paintItem->setNumber("strokeWidth", paint.getStrokeWidth());
paintItem->setNumber("strokeMiter", paint.getStrokeMiter());
paintItem->setString("flags", stringForSkPaintFlags(paint));
paintItem->setString("filterLevel", filterQualityName(paint.getFilterQuality()));
paintItem->setString("textAlign", textAlignName(paint.getTextAlign()));
paintItem->setString("strokeCap", strokeCapName(paint.getStrokeCap()));
paintItem->setString("strokeJoin", strokeJoinName(paint.getStrokeJoin()));
paintItem->setString("styleName", styleName(paint.getStyle()));
paintItem->setString("textEncoding", textEncodingName(paint.getTextEncoding()));
paintItem->setString("hinting", hintingName(paint.getHinting()));
return paintItem.release();
}
sk_sp<SkPDFDict> SkPDFGraphicState::GetGraphicStateForPaint(SkPDFCanon* canon,
const SkPaint& p) {
SkASSERT(canon);
if (SkPaint::kFill_Style == p.getStyle()) {
SkPDFFillGraphicState fillKey = {p.getAlpha(), pdf_blend_mode(p.getBlendMode())};
auto& fillMap = canon->fFillGSMap;
if (sk_sp<SkPDFDict>* statePtr = fillMap.find(fillKey)) {
return *statePtr;
}
auto state = sk_make_sp<SkPDFDict>();
state->reserve(2);
state->insertScalar("ca", fillKey.fAlpha / 255.0f);
state->insertName("BM", as_pdf_blend_mode_name((SkBlendMode)fillKey.fBlendMode));
fillMap.set(fillKey, state);
return state;
} else {
SkPDFStrokeGraphicState strokeKey = {
p.getStrokeWidth(), p.getStrokeMiter(),
SkToU8(p.getStrokeCap()), SkToU8(p.getStrokeJoin()),
p.getAlpha(), pdf_blend_mode(p.getBlendMode())};
auto& sMap = canon->fStrokeGSMap;
if (sk_sp<SkPDFDict>* statePtr = sMap.find(strokeKey)) {
return *statePtr;
}
auto state = sk_make_sp<SkPDFDict>();
state->reserve(8);
state->insertScalar("CA", strokeKey.fAlpha / 255.0f);
state->insertScalar("ca", strokeKey.fAlpha / 255.0f);
state->insertInt("LC", to_stroke_cap(strokeKey.fStrokeCap));
state->insertInt("LJ", to_stroke_join(strokeKey.fStrokeJoin));
state->insertScalar("LW", strokeKey.fStrokeWidth);
state->insertScalar("ML", strokeKey.fStrokeMiter);
state->insertBool("SA", true); // SA = Auto stroke adjustment.
state->insertName("BM", as_pdf_blend_mode_name((SkBlendMode)strokeKey.fBlendMode));
sMap.set(strokeKey, state);
return state;
}
}
bool GrStencilAndCoverTextContext::canDraw(const SkPaint& paint) {
if (paint.getRasterizer()) {
return false;
}
if (paint.getMaskFilter()) {
return false;
}
if (paint.getPathEffect()) {
return false;
}
// No hairlines unless we can map the 1 px width to the object space.
if (paint.getStyle() == SkPaint::kStroke_Style
&& paint.getStrokeWidth() == 0
&& fContext->getMatrix().hasPerspective()) {
return false;
}
// No color bitmap fonts.
SkScalerContext::Rec rec;
SkScalerContext::MakeRec(paint, &fDeviceProperties, NULL, &rec);
return rec.getFormat() != SkMask::kARGB32_Format;
}
Json::Value SkJSONCanvas::makePaint(const SkPaint& paint) {
Json::Value result(Json::objectValue);
store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_STROKEWIDTH, paint.getStrokeWidth(), 0.0f);
store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_STROKEMITER, paint.getStrokeMiter(),
SkPaintDefaults_MiterLimit);
store_bool(&result, SKJSONCANVAS_ATTRIBUTE_ANTIALIAS, paint.isAntiAlias(), false);
store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_TEXTSIZE, paint.getTextSize(),
SkPaintDefaults_TextSize);
store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_TEXTSCALEX, paint.getTextScaleX(), SK_Scalar1);
store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_TEXTSCALEX, paint.getTextSkewX(), 0.0f);
apply_paint_color(paint, &result);
apply_paint_style(paint, &result);
apply_paint_cap(paint, &result);
apply_paint_textalign(paint, &result);
apply_paint_patheffect(paint, &result, fSendBinaries);
apply_paint_maskfilter(paint, &result, fSendBinaries);
apply_paint_shader(paint, &result, fSendBinaries);
apply_paint_xfermode(paint, &result, fSendBinaries);
apply_paint_imagefilter(paint, &result, fSendBinaries);
apply_paint_colorfilter(paint, &result, fSendBinaries);
apply_paint_typeface(paint, &result, fSendBinaries);
return result;
}
void drawPlatformFocusRing(const PrimitiveType& primitive, SkCanvas* canvas, SkColor color, int width)
{
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setColor(color);
paint.setStrokeWidth(GraphicsContext::focusRingWidth(width));
#if OS(MACOSX)
paint.setAlpha(64);
const float cornerRadius = (width - 1) * 0.5f;
#else
const float cornerRadius = 1;
#endif
drawFocusRingPrimitive(primitive, canvas, paint, cornerRadius);
#if OS(MACOSX)
// Inner part
paint.setAlpha(128);
paint.setStrokeWidth(paint.getStrokeWidth() * 0.5f);
drawFocusRingPrimitive(primitive, canvas, paint, cornerRadius);
#endif
}
SkStrokePathEffect::SkStrokePathEffect(const SkPaint& paint)
: fWidth(paint.getStrokeWidth()), fMiter(paint.getStrokeMiter()),
fStyle(SkToU8(paint.getStyle())), fJoin(SkToU8(paint.getStrokeJoin())), fCap(SkToU8(paint.getStrokeCap()))
{
}
bool GrAtlasTextBlob::mustRegenerate(const SkPaint& paint,
GrColor color, const SkMaskFilter::BlurRec& blurRec,
const SkMatrix& viewMatrix, SkScalar x, SkScalar y) {
// If we have LCD text then our canonical color will be set to transparent, in this case we have
// to regenerate the blob on any color change
// We use the grPaint to get any color filter effects
if (fKey.fCanonicalColor == SK_ColorTRANSPARENT &&
fPaintColor != color) {
return true;
}
if (fInitialViewMatrix.hasPerspective() != viewMatrix.hasPerspective()) {
return true;
}
if (fInitialViewMatrix.hasPerspective() && !fInitialViewMatrix.cheapEqualTo(viewMatrix)) {
return true;
}
// We only cache one masked version
if (fKey.fHasBlur &&
(fBlurRec.fSigma != blurRec.fSigma ||
fBlurRec.fStyle != blurRec.fStyle ||
fBlurRec.fQuality != blurRec.fQuality)) {
return true;
}
// Similarly, we only cache one version for each style
if (fKey.fStyle != SkPaint::kFill_Style &&
(fStrokeInfo.fFrameWidth != paint.getStrokeWidth() ||
fStrokeInfo.fMiterLimit != paint.getStrokeMiter() ||
fStrokeInfo.fJoin != paint.getStrokeJoin())) {
return true;
}
// Mixed blobs must be regenerated. We could probably figure out a way to do integer scrolls
// for mixed blobs if this becomes an issue.
if (this->hasBitmap() && this->hasDistanceField()) {
// Identical viewmatrices and we can reuse in all cases
if (fInitialViewMatrix.cheapEqualTo(viewMatrix) && x == fInitialX && y == fInitialY) {
return false;
}
return true;
}
if (this->hasBitmap()) {
if (fInitialViewMatrix.getScaleX() != viewMatrix.getScaleX() ||
fInitialViewMatrix.getScaleY() != viewMatrix.getScaleY() ||
fInitialViewMatrix.getSkewX() != viewMatrix.getSkewX() ||
fInitialViewMatrix.getSkewY() != viewMatrix.getSkewY()) {
return true;
}
// We can update the positions in the cachedtextblobs without regenerating the whole blob,
// but only for integer translations.
// This cool bit of math will determine the necessary translation to apply to the already
// generated vertex coordinates to move them to the correct position
SkScalar transX = viewMatrix.getTranslateX() +
viewMatrix.getScaleX() * (x - fInitialX) +
viewMatrix.getSkewX() * (y - fInitialY) -
fInitialViewMatrix.getTranslateX();
SkScalar transY = viewMatrix.getTranslateY() +
viewMatrix.getSkewY() * (x - fInitialX) +
viewMatrix.getScaleY() * (y - fInitialY) -
fInitialViewMatrix.getTranslateY();
if (!SkScalarIsInt(transX) || !SkScalarIsInt(transY)) {
return true;
}
} else if (this->hasDistanceField()) {
// A scale outside of [blob.fMaxMinScale, blob.fMinMaxScale] would result in a different
// distance field being generated, so we have to regenerate in those cases
SkScalar newMaxScale = viewMatrix.getMaxScale();
SkScalar oldMaxScale = fInitialViewMatrix.getMaxScale();
SkScalar scaleAdjust = newMaxScale / oldMaxScale;
if (scaleAdjust < fMaxMinScale || scaleAdjust > fMinMaxScale) {
return true;
}
}
// It is possible that a blob has neither distanceField nor bitmaptext. This is in the case
// when all of the runs inside the blob are drawn as paths. In this case, we always regenerate
// the blob anyways at flush time, so no need to regenerate explicitly
return false;
}
static void draw_oval(SkCanvas* canvas, bool showGL, int flags) {
SkPaint paint;
paint.setAntiAlias(true);
SkRect r = SkRect::MakeLTRB(50, 70, 250, 370);
setFade(&paint, showGL);
canvas->drawOval(r, paint);
if (showGL) {
switch (flags) {
case 0: {
SkPath path;
path.addOval(r);
show_glframe(canvas, path);
} break;
case 1:
case 3: {
SkPath src, dst;
src.addOval(r);
tesselate(src, &dst);
show_fan(canvas, dst, r.centerX(), r.centerY());
} break;
case 2: {
SkPaint p(paint);
show_mesh(canvas, r);
setGLFrame(&p);
paint.setStyle(SkPaint::kFill_Style);
canvas->drawCircle(r.centerX(), r.centerY(), 3, p);
} break;
}
}
canvas->translate(320, 0);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(25);
canvas->drawOval(r, paint);
if (showGL) {
switch (flags) {
case 0: {
SkPath path;
SkScalar rad = paint.getStrokeWidth() / 2;
r.outset(rad, rad);
path.addOval(r);
r.inset(rad*2, rad*2);
path.addOval(r);
show_glframe(canvas, path);
} break;
case 1: {
SkPath path0, path1;
SkScalar rad = paint.getStrokeWidth() / 2;
r.outset(rad, rad);
path0.addOval(r);
r.inset(rad*2, rad*2);
path1.addOval(r);
show_mesh_between(canvas, path0, path1);
} break;
case 2: {
SkPath path;
path.addOval(r);
show_glframe(canvas, path);
SkScalar rad = paint.getStrokeWidth() / 2;
r.outset(rad, rad);
show_mesh(canvas, r);
} break;
case 3: {
SkScalar rad = paint.getStrokeWidth() / 2;
r.outset(rad, rad);
SkPaint paint;
paint.setAlpha(0x33);
canvas->drawRect(r, paint);
show_mesh(canvas, r);
} break;
}
}
}
