function string.startsWith(String,Start) return string.sub(String,1,string.len(Start))==Start end function string.endsWith(String,End) return End=='' or string.sub(String,-string.len(End))==End end local canvas = nil local num_perspective_bitmaps = 0 local num_affine_bitmaps = 0 local num_scaled_bitmaps = 0 local num_translated_bitmaps = 0 local num_identity_bitmaps = 0 local num_scaled_up = 0 local num_scaled_down = 0 function sk_scrape_startcanvas(c, fileName) canvas = c end function sk_scrape_endcanvas(c, fileName) canvas = nil end function sk_scrape_accumulate(t) -- dump the params in t, specifically showing the verb first, which we -- then nil out so it doesn't appear in tostr() if (string.startsWith(t.verb,"drawBitmap")) then matrix = canvas:getTotalMatrix() matrixType = matrix:getType() if matrixType.perspective then num_perspective_bitmaps = num_perspective_bitmaps + 1 elseif matrixType.affine then num_affine_bitmaps = num_affine_bitmaps + 1 elseif matrixType.scale then num_scaled_bitmaps = num_scaled_bitmaps + 1 if matrix:getScaleX() > 1 or matrix:getScaleY() > 1 then num_scaled_up = num_scaled_up + 1 else num_scaled_down = num_scaled_down + 1 end elseif matrixType.translate then num_translated_bitmaps = num_translated_bitmaps + 1 else num_identity_bitmaps = num_identity_bitmaps + 1 end end end function sk_scrape_summarize() io.write( "identity = ", num_identity_bitmaps, ", translated = ", num_translated_bitmaps, ", scaled = ", num_scaled_bitmaps, " (up = ", num_scaled_up, "; down = ", num_scaled_down, ")", ", affine = ", num_affine_bitmaps, ", perspective = ", num_perspective_bitmaps, "\n") end