Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

am f6c9c420: Merge "Correct stride for drawing to cached glyph bitmap"

Browse Source 
* commit 'f6c9c4204c2f8f86277d081112c9dd863ddaa778':
  Correct stride for drawing to cached glyph bitmap
This commit is contained in:
Chris Craik
2014-05-09 21:46:43 +00:00
committed by Android Git Automerger
parent edc31509c2 f6c9c4204c
commit 7e13d1d4a4
1 changed files with 17 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
libs/hwui/font/Font.cpp
View File

@@ -213,18 +213,28 @@ void Font::drawCachedGlyphBitmap(CachedGlyphInfo* glyph, int x, int y, uint8_t*
int dstY = y + glyph->mBitmapTop;
CacheTexture* cacheTexture = glyph->mCacheTexture;
uint32_t cacheWidth = cacheTexture->getWidth();
uint32_t startY = glyph->mStartY * cacheWidth;
uint32_t endY = startY + (glyph->mBitmapHeight * cacheWidth);
PixelBuffer* pixelBuffer = cacheTexture->getPixelBuffer();
uint32_t formatSize = PixelBuffer::formatSize(pixelBuffer->getFormat());
uint32_t cacheWidth = cacheTexture->getWidth();
uint32_t srcStride = formatSize * cacheWidth;
uint32_t startY = glyph->mStartY * srcStride;
uint32_t endY = startY + (glyph->mBitmapHeight * srcStride);
const uint8_t* cacheBuffer = pixelBuffer->map();
for (uint32_t cacheY = startY, bitmapY = dstY * bitmapWidth; cacheY < endY;
cacheY += cacheWidth, bitmapY += bitmapWidth) {
memcpy(&bitmap[bitmapY + dstX], &cacheBuffer[cacheY + glyph->mStartX], glyph->mBitmapWidth);
cacheY += srcStride, bitmapY += bitmapWidth) {
if (formatSize == 1) {
memcpy(&bitmap[bitmapY + dstX], &cacheBuffer[cacheY + glyph->mStartX], glyph->mBitmapWidth);
} else {
for (uint32_t i = 0; i < glyph->mBitmapWidth; ++i) {
bitmap[bitmapY + dstX + i] = cacheBuffer[cacheY + (glyph->mStartX + i)*formatSize];
}
}
}
}
void Font::drawCachedGlyph(CachedGlyphInfo* glyph, float x, float hOffset, float vOffset,