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modify_gamma now use cache correctly

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This exposed small bug in checkcache which checked just page no
which didn't get invalidated when closing page, so we now check if page
is also not nil
This commit is contained in:
Dobrica Pavlinusic
2011-11-20 00:30:33 +01:00
parent 4f888ca267
commit 0d9de55944
1 changed files with 5 additions and 6 deletions
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11
reader.lua
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@@ -117,7 +117,7 @@ function freecache()
end
function checkcache(no)
for i = 1, #cache do
if cache[i].no == no then
if cache[i].no == no and cache[i].page ~= nil then
print("cache hit: slot="..i.." page="..no)
return i
end
@@ -216,13 +216,12 @@ function modify_gamma(offset)
if gamma == -1 then
gamma = 1
end
print("modify_gamma slot="..slot.." gamma="..gamma.." offset="..offset)
local no = cache[slot].no
print("modify_gamma "..no.." slot="..slot.." gamma="..gamma.." offset="..offset)
gamma = gamma + offset;
cache[slot].dc:setGamma( gamma );
optarg["G"] = gamma; -- for next page
cache[slot].page:draw(cache[slot].dc, cache[slot].bb, 0, 0)
fb:blitFullFrom(cache[slot].bb)
fb:refresh(0)
freecache()
goto(no)
end
function mainloop()