static void textonpath_slide(SkCanvas* canvas) { const char* text = "Displacement"; size_t len =strlen(text); SkPath path; path.moveTo(100, 300); path.quadTo(300, 100, 500, 300); path.offset(0, -100); SkPaint paint; paint.setAntiAlias(true); paint.setTextSize(40); paint.setStyle(SkPaint::kStroke_Style); canvas->drawPath(path, paint); paint.setStyle(SkPaint::kFill_Style); SkScalar x = 50; paint.setColor(0xFF008800); canvas->drawTextOnPathHV(text, len, path, x, paint.getTextSize()*2/3, paint); paint.setColor(SK_ColorRED); canvas->drawTextOnPathHV(text, len, path, x + 60, 0, paint); paint.setColor(SK_ColorBLUE); canvas->drawTextOnPathHV(text, len, path, x + 120, -paint.getTextSize()*2/3, paint); path.offset(0, 200); paint.setTextAlign(SkPaint::kRight_Align); text = "Matrices"; len = strlen(text); SkScalar pathLen = getpathlen(path); SkMatrix matrix; paint.setColor(SK_ColorBLACK); paint.setStyle(SkPaint::kStroke_Style); canvas->drawPath(path, paint); paint.setStyle(SkPaint::kFill_Style); paint.setTextSize(50); canvas->drawTextOnPath(text, len, path, NULL, paint); paint.setColor(SK_ColorRED); matrix.setScale(-SK_Scalar1, SK_Scalar1); matrix.postTranslate(pathLen, 0); canvas->drawTextOnPath(text, len, path, &matrix, paint); paint.setColor(SK_ColorBLUE); matrix.setScale(SK_Scalar1, -SK_Scalar1); canvas->drawTextOnPath(text, len, path, &matrix, paint); paint.setColor(0xFF008800); matrix.setScale(-SK_Scalar1, -SK_Scalar1); matrix.postTranslate(pathLen, 0); canvas->drawTextOnPath(text, len, path, &matrix, paint); }
static void test_textpathmatrix(SkCanvas* canvas, int yOffset) { SkPaint paint; SkPath path; SkMatrix matrix; path.moveTo(SkIntToScalar(200), SkIntToScalar(100)); path.quadTo(SkIntToScalar(400), SkIntToScalar(-100), SkIntToScalar(600), SkIntToScalar(100+yOffset)); paint.setAntiAlias(true); paint.setStyle(SkPaint::kStroke_Style); paint.setStyle(SkPaint::kFill_Style); paint.setTextSize(SkIntToScalar(48)); paint.setTextAlign(SkPaint::kRight_Align); paint.setAntiAlias(true); const char* text = "Reflection"; size_t len = strlen(text); SkScalar pathLen = getpathlen(path); canvas->drawTextOnPath(text, len, path, NULL, paint); paint.setColor(SK_ColorRED); matrix.setScale(-SK_Scalar1, SK_Scalar1); matrix.postTranslate(pathLen, 0); canvas->drawTextOnPath(text, len, path, &matrix, paint); paint.setColor(SK_ColorBLUE); matrix.setScale(SK_Scalar1, -SK_Scalar1); canvas->drawTextOnPath(text, len, path, &matrix, paint); paint.setColor(SK_ColorGREEN); matrix.setScale(-SK_Scalar1, -SK_Scalar1); matrix.postTranslate(pathLen, 0); canvas->drawTextOnPath(text, len, path, &matrix, paint); }