Added drop shadow renderer to the font class.
Change-Id: Id243abfbbb58e54f6a05f592a302984b5321e608
diff --git a/libs/hwui/FontRenderer.h b/libs/hwui/FontRenderer.h
index 4cd902e..6346ded 100644
--- a/libs/hwui/FontRenderer.h
+++ b/libs/hwui/FontRenderer.h
@@ -45,6 +45,7 @@
/**
* Renders the specified string of text.
+ * If bitmap is specified, it will be used as the render target
*/
void renderUTF(SkPaint* paint, const char *text, uint32_t start, uint32_t len,
int numGlyphs, int x, int y,
@@ -57,6 +58,20 @@
protected:
friend class FontRenderer;
+ enum RenderMode {
+ FRAMEBUFFER,
+ BITMAP,
+ MEASURE,
+ };
+
+ void renderUTF(SkPaint* paint, const char *text, uint32_t start, uint32_t len,
+ int numGlyphs, int x, int y, RenderMode mode,
+ uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH,
+ Rect *bounds);
+
+ void measureUTF(SkPaint* paint, const char* text, uint32_t start, uint32_t len,
+ int numGlyphs, Rect *bounds);
+
struct CachedGlyphInfo {
// Has the cache been invalidated?
bool mIsValid;
@@ -89,6 +104,7 @@
CachedGlyphInfo* cacheGlyph(SkPaint* paint, int32_t glyph);
void updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo *glyph);
+ void measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, Rect *bounds);
void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y);
void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y,
uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH);
@@ -112,6 +128,19 @@
void renderText(SkPaint* paint, const Rect* clip, const char *text, uint32_t startIndex,
uint32_t len, int numGlyphs, int x, int y);
+ struct DropShadow {
+ uint32_t width;
+ uint32_t height;
+ uint8_t* image;
+ int32_t penX;
+ int32_t penY;
+ };
+
+ // After renderDropShadow returns, the called owns the memory in DropShadow.image
+ // and is responsible for releasing it when it's done with it
+ DropShadow renderDropShadow(SkPaint* paint, const char *text, uint32_t startIndex,
+ uint32_t len, int numGlyphs, uint32_t radius);
+
GLuint getTexture() {
checkInit();
return mTextureId;