void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setTextSize(40);
canvas->drawString("OjYy_-", 10, 35, paint);
paint.setFakeBoldText(true);
canvas->drawString("OjYy_-", 10, 75, paint);
// create a custom fake bold by varying the stroke width
paint.setFakeBoldText(false);
paint.setStyle(SkPaint::kStrokeAndFill_Style);
paint.setStrokeWidth(40.f / 48);
canvas->drawString("OjYy_-", 10, 115, paint);
}
void draw(SkCanvas* canvas) {
SkPaint paint;
SkDebugf("paint.isFakeBoldText() %c= !!(paint.getFlags() & SkPaint::kFakeBoldText_Flag)\n",
paint.isFakeBoldText() == !!(paint.getFlags() & SkPaint::kFakeBoldText_Flag) ? '=' : '!');
paint.setFakeBoldText(true);
SkDebugf("paint.isFakeBoldText() %c= !!(paint.getFlags() & SkPaint::kFakeBoldText_Flag)\n",
paint.isFakeBoldText() == !!(paint.getFlags() & SkPaint::kFakeBoldText_Flag) ? '=' : '!');
}
static SkPaint make_paint() {
SkPaint paint;
if (fuzz->exhausted()) {
return paint;
}
paint.setHinting(make_paint_hinting());
paint.setAntiAlias(make_bool());
paint.setDither(make_bool());
paint.setLinearText(make_bool());
paint.setSubpixelText(make_bool());
paint.setLCDRenderText(make_bool());
paint.setEmbeddedBitmapText(make_bool());
paint.setAutohinted(make_bool());
paint.setVerticalText(make_bool());
paint.setFakeBoldText(make_bool());
paint.setDevKernText(make_bool());
paint.setFilterQuality(make_filter_quality());
paint.setStyle(make_paint_style());
paint.setColor(make_color());
paint.setStrokeWidth(make_number(false));
paint.setStrokeMiter(make_number(false));
paint.setStrokeCap(make_paint_cap());
paint.setStrokeJoin(make_paint_join());
paint.setColorFilter(make_color_filter());
paint.setBlendMode(make_blendmode());
paint.setPathEffect(make_path_effect());
paint.setMaskFilter(make_mask_filter());
if (false) {
// our validating buffer does not support typefaces yet, so skip this for now
paint.setTypeface(SkTypeface::MakeFromName(make_font_name().c_str(),make_typeface_style()));
}
SkLayerRasterizer::Builder rasterizerBuilder;
SkPaint paintForRasterizer;
if (make_bool()) {
paintForRasterizer = make_paint();
}
rasterizerBuilder.addLayer(paintForRasterizer);
paint.setRasterizer(rasterizerBuilder.detach());
paint.setImageFilter(make_image_filter());
bool a, b, c;
fuzz->next(&a, &b, &c);
sk_sp<SkData> data(make_3Dlut(nullptr, a, b, c));
paint.setTextAlign(make_paint_align());
SkScalar d, e, f;
fuzz->next(&d, &e, &f);
paint.setTextSize(d);
paint.setTextScaleX(e);
paint.setTextSkewX(f);
paint.setTextEncoding(make_paint_text_encoding());
return paint;
}
static void fuzz_drawText(Fuzz* fuzz, sk_sp<SkTypeface> font) {
SkPaint p;
init_paint(fuzz, &p);
sk_sp<SkSurface> surface;
init_surface(fuzz, &surface);
char text[kTxtLen];
init_string(fuzz, text, kTxtLen);
SkScalar x, y;
fuzz->next(&x, &y);
// populate pts array
SkPoint pts[kPtsLen];
for (uint8_t i = 0; i < kPtsLen; ++i) {
pts[i].set(x, y);
x += p.getTextSize();
}
p.setTypeface(font);
// set text related attributes
bool b;
fuzz->next(&b);
p.setAutohinted(b);
fuzz->next(&b);
p.setDevKernText(b);
fuzz->next(&b);
p.setEmbeddedBitmapText(b);
fuzz->next(&b);
p.setFakeBoldText(b);
fuzz->next(&b);
p.setLCDRenderText(b);
fuzz->next(&b);
p.setLinearText(b);
fuzz->next(&b);
p.setSubpixelText(b);
fuzz->next(&x);
p.setTextScaleX(x);
fuzz->next(&x);
p.setTextSkewX(x);
fuzz->next(&x);
p.setTextSize(x);
fuzz->next(&b);
p.setVerticalText(b);
SkCanvas* cnv = surface->getCanvas();
cnv->drawPosText(text, (kTxtLen-1), pts, p);
fuzz->next(&x);
fuzz->next(&y);
cnv->drawText(text, (kTxtLen-1), x, y, p);
}
static SkPaint make_paint() {
SkPaint paint;
paint.setHinting(make_paint_hinting());
paint.setAntiAlias(make_bool());
paint.setDither(make_bool());
paint.setLinearText(make_bool());
paint.setSubpixelText(make_bool());
paint.setLCDRenderText(make_bool());
paint.setEmbeddedBitmapText(make_bool());
paint.setAutohinted(make_bool());
paint.setVerticalText(make_bool());
paint.setUnderlineText(make_bool());
paint.setStrikeThruText(make_bool());
paint.setFakeBoldText(make_bool());
paint.setDevKernText(make_bool());
paint.setFilterQuality(make_filter_quality());
paint.setStyle(make_paint_style());
paint.setColor(make_color());
paint.setStrokeWidth(make_scalar());
paint.setStrokeMiter(make_scalar());
paint.setStrokeCap(make_paint_cap());
paint.setStrokeJoin(make_paint_join());
paint.setColorFilter(make_color_filter());
paint.setXfermodeMode(make_xfermode());
paint.setPathEffect(make_path_effect());
paint.setMaskFilter(make_mask_filter());
if (false) {
// our validating buffer does not support typefaces yet, so skip this for now
SkAutoTUnref<SkTypeface> typeface(
SkTypeface::CreateFromName(make_font_name().c_str(), make_typeface_style()));
paint.setTypeface(typeface);
}
SkLayerRasterizer::Builder rasterizerBuilder;
SkPaint paintForRasterizer;
if (R(2) == 1) {
paintForRasterizer = make_paint();
}
rasterizerBuilder.addLayer(paintForRasterizer);
paint.setRasterizer(rasterizerBuilder.detach());
paint.setImageFilter(make_image_filter());
sk_sp<SkData> data(make_3Dlut(nullptr, make_bool(), make_bool(), make_bool()));
paint.setTextAlign(make_paint_align());
paint.setTextSize(make_scalar());
paint.setTextScaleX(make_scalar());
paint.setTextSkewX(make_scalar());
paint.setTextEncoding(make_paint_text_encoding());
return paint;
}
DEF_SIMPLE_GM_BG(glyph_pos_align, canvas, kWidth, kHeight, SK_ColorBLACK) {
SkPaint paint;
paint.setTextSize(kTextHeight);
paint.setFakeBoldText(true);
const SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
const SkPoint pts[] = {{0, 0}, {kWidth, kHeight}};
paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
SkShader::kMirror_TileMode));
paint.setTextAlign(SkPaint::kRight_Align);
drawTestCase(canvas, "Right Align", kTextHeight, paint);
paint.setTextAlign(SkPaint::kCenter_Align);
drawTestCase(canvas, "Center Align", 4 * kTextHeight, paint);
paint.setTextAlign(SkPaint::kLeft_Align);
drawTestCase(canvas, "Left Align", 7 * kTextHeight, paint);
}
static SkPaint make_paint() {
SkPaint paint;
paint.setHinting(make_paint_hinting());
paint.setAntiAlias(make_bool());
paint.setDither(make_bool());
paint.setLinearText(make_bool());
paint.setSubpixelText(make_bool());
paint.setLCDRenderText(make_bool());
paint.setEmbeddedBitmapText(make_bool());
paint.setAutohinted(make_bool());
paint.setVerticalText(make_bool());
paint.setFakeBoldText(make_bool());
paint.setDevKernText(make_bool());
paint.setFilterQuality(make_filter_quality());
paint.setStyle(make_paint_style());
paint.setColor(make_color());
paint.setStrokeWidth(make_scalar());
paint.setStrokeMiter(make_scalar());
paint.setStrokeCap(make_paint_cap());
paint.setStrokeJoin(make_paint_join());
paint.setColorFilter(make_color_filter());
paint.setBlendMode(make_xfermode());
paint.setPathEffect(make_path_effect());
paint.setMaskFilter(make_mask_filter());
if (false) {
// our validating buffer does not support typefaces yet, so skip this for now
paint.setTypeface(SkTypeface::MakeFromName(make_font_name().c_str(),
make_typeface_style()));
}
paint.setImageFilter(make_image_filter());
sk_sp<SkData> data(make_3Dlut(nullptr, make_bool(), make_bool(), make_bool()));
paint.setTextAlign(make_paint_align());
paint.setTextSize(make_scalar());
paint.setTextScaleX(make_scalar());
paint.setTextSkewX(make_scalar());
paint.setTextEncoding(make_paint_text_encoding());
return paint;
}
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 drawTextOverCanvas(RenderingContext* rc, SkCanvas* cv) {
SkRect r = SkRect::MakeLTRB(0, 0, rc->getWidth(), rc->getHeight());
r.inset(-100, -100);
quad_tree<TextDrawInfo*> boundsIntersect(r, 4, 0.6);
SkPaint paintIcon;
paintIcon.setStyle(SkPaint::kStroke_Style);
paintIcon.setStrokeWidth(1);
paintIcon.setColor(0xff000000);
paintIcon.setFilterBitmap(true);
SkPaint paintText;
paintText.setStyle(SkPaint::kFill_Style);
paintText.setStrokeWidth(1);
paintText.setColor(0xff000000);
paintText.setTextAlign(SkPaint::kCenter_Align);
if(!sTypeface)
sTypeface = SkTypeface::CreateFromName("Droid Serif", SkTypeface::kNormal);
paintText.setTypeface(sTypeface);
paintText.setAntiAlias(true);
SkPaint::FontMetrics fm;
// 1. Sort text using text order
std::sort(rc->textToDraw.begin(), rc->textToDraw.end(), textOrder);
for (uint32_t i = 0; i < rc->textToDraw.size(); i++) {
TextDrawInfo* text = rc->textToDraw.at(i);
if (text->text.length() > 0) {
// sest text size before finding intersection (it is used there)
float textSize = rc->getDensityValue(text->textSize);
paintText.setTextSize(textSize);
paintText.setFakeBoldText(text->bold);
paintText.setColor(text->textColor);
// align center y
paintText.getFontMetrics(&fm);
text->centerY += (-fm.fAscent);
// calculate if there is intersection
bool intersects = findTextIntersection(cv, rc, boundsIntersect, text, &paintText, &paintIcon);
if (!intersects) {
if(rc->interrupted()){
return;
}
if (text->drawOnPath && text->path != NULL) {
if (text->textShadow > 0) {
paintText.setColor(0xFFFFFFFF);
paintText.setStyle(SkPaint::kStroke_Style);
paintText.setStrokeWidth(2 + text->textShadow);
rc->nativeOperations.Pause();
cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset,
text->vOffset, paintText);
rc->nativeOperations.Start();
// reset
paintText.setStyle(SkPaint::kFill_Style);
paintText.setStrokeWidth(2);
paintText.setColor(text->textColor);
}
rc->nativeOperations.Pause();
cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset,
text->vOffset, paintText);
rc->nativeOperations.Start();
} else {
if (text->shieldRes.length() > 0) {
SkBitmap* ico = getCachedBitmap(rc, text->shieldRes);
if (ico != NULL) {
float left = text->centerX - rc->getDensityValue(ico->width() / 2) - 0.5f;
float top = text->centerY - rc->getDensityValue(ico->height() / 2)
- rc->getDensityValue(4.5f);
SkRect r = SkRect::MakeXYWH(left, top, rc->getDensityValue(ico->width()),
rc->getDensityValue(ico->height()));
PROFILE_NATIVE_OPERATION(rc, cv->drawBitmapRect(*ico, (SkIRect*) NULL, r, &paintIcon));
}
}
drawWrappedText(rc, cv, text, textSize, paintText);
}
}
}
}
}
void drawTextOverCanvas(RenderingContext* rc, SkCanvas* cv) {
SkRect r = SkRect::MakeLTRB(0, 0, rc->width, rc->height);
r.inset(-100, -100);
quad_tree<TextDrawInfo*> boundsIntersect(r, 4, 0.6);
SkPaint paintIcon;
paintIcon.setStyle(SkPaint::kStroke_Style);
paintIcon.setStrokeWidth(1);
paintIcon.setColor(0xff000000);
SkPaint paintText;
paintText.setStyle(SkPaint::kFill_Style);
paintText.setStrokeWidth(1);
paintText.setColor(0xff000000);
paintText.setTextAlign(SkPaint::kCenter_Align);
paintText.setTypeface(serif);
paintText.setAntiAlias(true);
SkPaint::FontMetrics fm;
// 1. Sort text using text order
std::sort(rc->textToDraw.begin(), rc->textToDraw.end(), textOrder);
uint size = rc->textToDraw.size();
for (uint i = 0; i < size; i++) {
TextDrawInfo* text = rc->textToDraw.at(i);
if (text->text.length() > 0) {
size_t d = text->text.find(DELIM_CHAR);
// not used now functionality
// possibly it will be used specifying english names after that character
if (d > 0) {
text->text = text->text.substr(0, d);
}
// sest text size before finding intersection (it is used there)
float textSize = getDensityValue(rc, text->textSize);
paintText.setTextSize(textSize);
paintText.setFakeBoldText(text->bold);
paintText.setColor(text->textColor);
// align center y
paintText.getFontMetrics(&fm);
text->centerY += (-fm.fAscent);
// calculate if there is intersection
bool intersects = findTextIntersection(cv, rc, boundsIntersect, text, &paintText, &paintIcon);
if (!intersects) {
if(rc->interrupted()){
return;
}
if (text->drawOnPath && text->path != NULL) {
if (text->textShadow > 0) {
paintText.setColor(0xFFFFFFFF);
paintText.setStyle(SkPaint::kStroke_Style);
paintText.setStrokeWidth(2 + text->textShadow);
rc->nativeOperations.pause();
cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset,
text->vOffset, paintText);
rc->nativeOperations.start();
// reset
paintText.setStyle(SkPaint::kFill_Style);
paintText.setStrokeWidth(2);
paintText.setColor(text->textColor);
}
rc->nativeOperations.pause();
cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset,
text->vOffset, paintText);
rc->nativeOperations.start();
} else {
if (text->shieldRes.length() > 0) {
SkBitmap* ico = getCachedBitmap(rc, text->shieldRes);
if (ico != NULL) {
rc->nativeOperations.pause();
cv->drawBitmap(*ico, text->centerX - ico->width() / 2 - 0.5f,
text->centerY - ico->height() / 2 - getDensityValue(rc, 4.5f), &paintIcon);
rc->nativeOperations.start();
}
}
drawWrappedText(rc, cv, text, textSize, paintText);
}
}
}
}
}