Paint style and stroke width affect text rendering. (bd496bc3) · Commits · e / os / android_frameworks_base

libs/hwui/FontRenderer.cpp

+15 −6

Original line number	Diff line number	Diff line
		@@ -44,9 +44,11 @@ namespace uirenderer {
		///////////////////////////////////////////////////////////////////////////////

		Font::Font(FontRenderer* state, uint32_t fontId, float fontSize,
		int flags, uint32_t italicStyle, uint32_t scaleX) :
		int flags, uint32_t italicStyle, uint32_t scaleX,
		SkPaint::Style style, uint32_t strokeWidth) :
		mState(state), mFontId(fontId), mFontSize(fontSize),
		mFlags(flags), mItalicStyle(italicStyle), mScaleX(scaleX) {
		mFlags(flags), mItalicStyle(italicStyle), mScaleX(scaleX),
		mStyle(style), mStrokeWidth(mStrokeWidth) {
		}


		@@ -283,19 +285,22 @@ Font::CachedGlyphInfo* Font::cacheGlyph(SkPaint* paint, glyph_t glyph) {
		}

		Font* Font::create(FontRenderer* state, uint32_t fontId, float fontSize,
		int flags, uint32_t italicStyle, uint32_t scaleX) {
		int flags, uint32_t italicStyle, uint32_t scaleX,
		SkPaint::Style style, uint32_t strokeWidth) {
		Vector<Font*> &activeFonts = state->mActiveFonts;

		for (uint32_t i = 0; i < activeFonts.size(); i++) {
		Font* font = activeFonts[i];
		if (font->mFontId == fontId && font->mFontSize == fontSize &&
		font->mFlags == flags && font->mItalicStyle == italicStyle &&
		font->mScaleX == scaleX) {
		font->mScaleX == scaleX && font->mStyle == style &&
		(style == SkPaint::kFill_Style \|\| font->mStrokeWidth == strokeWidth)) {
		return font;
		}
		}

		Font* newFont = new Font(state, fontId, fontSize, flags, italicStyle, scaleX);
		Font* newFont = new Font(state, fontId, fontSize, flags, italicStyle,
		scaleX, style, strokeWidth);
		activeFonts.push(newFont);
		return newFont;
		}
		@@ -690,7 +695,11 @@ void FontRenderer::setFont(SkPaint* paint, uint32_t fontId, float fontSize) {
		uint32_t italicStyle = (uint32_t) &skewX;
		const float scaleXFloat = paint->getTextScaleX();
		uint32_t scaleX = (uint32_t) &scaleXFloat;
		mCurrentFont = Font::create(this, fontId, fontSize, flags, italicStyle, scaleX);
		SkPaint::Style style = paint->getStyle();
		const float strokeWidthFloat = paint->getStrokeWidth();
		uint32_t strokeWidth = (uint32_t) &strokeWidthFloat;
		mCurrentFont = Font::create(this, fontId, fontSize, flags, italicStyle,
		scaleX, style, strokeWidth);

		const float maxPrecacheFontSize = 40.0f;
		bool isNewFont = currentNumFonts != mActiveFonts.size();

libs/hwui/FontRenderer.h

+5 −2

Original line number	Diff line number	Diff line
		@@ -82,7 +82,8 @@ public:
		* Creates a new font associated with the specified font state.
		*/
		static Font* create(FontRenderer* state, uint32_t fontId, float fontSize,
		int flags, uint32_t italicStyle, uint32_t scaleX);
		int flags, uint32_t italicStyle, uint32_t scaleX, SkPaint::Style style,
		uint32_t strokeWidth);

		protected:
		friend class FontRenderer;
		@@ -128,7 +129,7 @@ protected:
		};

		Font(FontRenderer* state, uint32_t fontId, float fontSize, int flags, uint32_t italicStyle,
		uint32_t scaleX);
		uint32_t scaleX, SkPaint::Style style, uint32_t strokeWidth);

		// Cache of glyphs
		DefaultKeyedVector<glyph_t, CachedGlyphInfo*> mCachedGlyphs;
		@@ -157,6 +158,8 @@ protected:
		int mFlags;
		uint32_t mItalicStyle;
		uint32_t mScaleX;
		SkPaint::Style mStyle;
		uint32_t mStrokeWidth;
		};

		///////////////////////////////////////////////////////////////////////////////

tests/HwAccelerationTest/src/com/android/test/hwui/TextActivity.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -77,13 +77,23 @@ public class TextActivity extends Activity {
		super.onDraw(canvas);
		canvas.drawRGB(255, 255, 255);

		mMediumPaint.setStyle(Paint.Style.FILL_AND_STROKE);
		mMediumPaint.setStrokeWidth(2.0f);
		canvas.drawText("Hello OpenGL renderer!", 100, 20, mMediumPaint);

		mMediumPaint.setStyle(Paint.Style.FILL);
		mMediumPaint.setTextAlign(Paint.Align.CENTER);
		canvas.drawText("Hello OpenGL renderer!", 100, 40, mMediumPaint);

		mMediumPaint.setStyle(Paint.Style.STROKE);
		mMediumPaint.setStrokeWidth(2.0f);
		mMediumPaint.setTextAlign(Paint.Align.RIGHT);
		canvas.drawText("Hello OpenGL renderer!", 100, 60, mMediumPaint);

		mMediumPaint.setStyle(Paint.Style.FILL);
		mMediumPaint.setTextAlign(Paint.Align.LEFT);
		canvas.drawText("Hello OpenGL renderer!", 100, 100, mMediumPaint);

		mMediumPaint.setShadowLayer(2.5f, 0.0f, 0.0f, 0xff000000);
		canvas.drawText("Hello OpenGL renderer!", 100, 150, mMediumPaint);
		mMediumPaint.clearShadowLayer();