修复文字size计算的bug

app/src/main/cpp/CvText.cpp

@@ -712,11 +712,13 @@ namespace cv {
 
 				// If codepoint is space(0x20), it has no glyph.
 				// A dummy boundary box is needed when last code is space.
+				bool isSpace = false;
 				if (
 					(bbox.xMin == 0) && (bbox.xMax == 0) &&
 					(bbox.yMin == 0) && (bbox.yMax == 0)
 					)
 				{
+					isSpace = true;
 					bbox.xMin = currentPos.x;
 					bbox.xMax = currentPos.x + ((mFace->glyph->advance.x << 1) + mFace->glyph->metrics.horiBearingX);
 					bbox.yMin = yMin;
@@ -724,7 +726,7 @@ namespace cv {
 				}
 
 				// Update current position ( in FreeType coordinates )
-				currentPos.x += mFace->glyph->advance.x;
+				currentPos.x += isSpace ? (mFace->glyph->advance.x << 1) : mFace->glyph->advance.x;
 				currentPos.y += mFace->glyph->advance.y;
 
 				// Update BoundaryBox ( in OpenCV coordinates )