diff --git a/libs/hwui/RecordingCanvas.cpp b/libs/hwui/RecordingCanvas.cpp index 64b8b711f0a80..170f73120414a 100644 --- a/libs/hwui/RecordingCanvas.cpp +++ b/libs/hwui/RecordingCanvas.cpp @@ -384,10 +384,11 @@ struct DrawImageLattice final : Op { struct DrawTextBlob final : Op { static const auto kType = Type::DrawTextBlob; DrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint) - : blob(sk_ref_sp(blob)), x(x), y(y), paint(paint) {} + : blob(sk_ref_sp(blob)), x(x), y(y), paint(paint), drawTextBlobMode(gDrawTextBlobMode) {} sk_sp blob; SkScalar x, y; SkPaint paint; + DrawTextBlobMode drawTextBlobMode; void draw(SkCanvas* c, const SkMatrix&) const { c->drawTextBlob(blob.get(), x, y, paint); } }; @@ -832,6 +833,24 @@ constexpr color_transform_fn colorTransformForOp() { } } +template<> +constexpr color_transform_fn colorTransformForOp() { + return [](const void *opRaw, ColorTransform transform) { + const DrawTextBlob *op = reinterpret_cast(opRaw); + switch (op->drawTextBlobMode) { + case DrawTextBlobMode::HctOutline: + const_cast(op->paint).setColor(SK_ColorBLACK); + break; + case DrawTextBlobMode::HctInner: + const_cast(op->paint).setColor(SK_ColorWHITE); + break; + default: + transformPaint(transform, const_cast(&(op->paint))); + break; + } + }; +} + #define X(T) colorTransformForOp(), static const color_transform_fn color_transform_fns[] = { #include "DisplayListOps.in" diff --git a/libs/hwui/hwui/Canvas.cpp b/libs/hwui/hwui/Canvas.cpp index 146bf283c58a8..b046f45d9c571 100644 --- a/libs/hwui/hwui/Canvas.cpp +++ b/libs/hwui/hwui/Canvas.cpp @@ -110,16 +110,19 @@ public: bool darken = channelSum < (128 * 3); // outline + gDrawTextBlobMode = DrawTextBlobMode::HctOutline; Paint outlinePaint(paint); simplifyPaint(darken ? SK_ColorWHITE : SK_ColorBLACK, &outlinePaint); outlinePaint.setStyle(SkPaint::kStrokeAndFill_Style); canvas->drawGlyphs(glyphFunc, glyphCount, outlinePaint, x, y, totalAdvance); // inner + gDrawTextBlobMode = DrawTextBlobMode::HctInner; Paint innerPaint(paint); simplifyPaint(darken ? SK_ColorBLACK : SK_ColorWHITE, &innerPaint); innerPaint.setStyle(SkPaint::kFill_Style); canvas->drawGlyphs(glyphFunc, glyphCount, innerPaint, x, y, totalAdvance); + gDrawTextBlobMode = DrawTextBlobMode::Normal; } else { // standard draw path canvas->drawGlyphs(glyphFunc, glyphCount, paint, x, y, totalAdvance); diff --git a/libs/hwui/hwui/Canvas.h b/libs/hwui/hwui/Canvas.h index fdfa2883c33f2..d1bdb712e9119 100644 --- a/libs/hwui/hwui/Canvas.h +++ b/libs/hwui/hwui/Canvas.h @@ -61,6 +61,14 @@ class Bitmap; class Paint; struct Typeface; +enum class DrawTextBlobMode { + Normal, + HctOutline, + HctInner, +}; + +inline DrawTextBlobMode gDrawTextBlobMode = DrawTextBlobMode::Normal; + class ANDROID_API Canvas { public: virtual ~Canvas(){};