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major overhaul of the code structure, more OO like

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HW
2011-12-08 00:45:39 +01:00
parent f93538256a
commit affc3b231a
8 changed files with 387 additions and 320 deletions
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22
rendertext.lua
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@@ -49,17 +49,19 @@ function renderUtf8Text(buffer, x, y, face, facehash, text, kerning)
local pen_x = 0
local prevcharcode = 0
for uchar in string.gfind(text, "([%z\1-\127\194-\244][\128-\191]*)") do
local charcode = util.utf8charcode(uchar)
local glyph = getglyph(face, facehash, charcode)
if kerning and prevcharcode then
local kern = face:getKerning(prevcharcode, charcode)
pen_x = pen_x + kern
buffer:addblitFrom(glyph.bb, x + pen_x + glyph.l, y - glyph.t, 0, 0, glyph.bb:getWidth(), glyph.bb:getHeight())
else
buffer:blitFrom(glyph.bb, x + pen_x + glyph.l, y - glyph.t, 0, 0, glyph.bb:getWidth(), glyph.bb:getHeight())
if pen_x < buffer:getWidth() then
local charcode = util.utf8charcode(uchar)
local glyph = getglyph(face, facehash, charcode)
if kerning and prevcharcode then
local kern = face:getKerning(prevcharcode, charcode)
pen_x = pen_x + kern
buffer:addblitFrom(glyph.bb, x + pen_x + glyph.l, y - glyph.t, 0, 0, glyph.bb:getWidth(), glyph.bb:getHeight())
else
buffer:blitFrom(glyph.bb, x + pen_x + glyph.l, y - glyph.t, 0, 0, glyph.bb:getWidth(), glyph.bb:getHeight())
end
pen_x = pen_x + glyph.ax
prevcharcode = charcode
end
pen_x = pen_x + glyph.ax
prevcharcode = charcode
end
end