[Lazarus] TFPImageCanvas and TFreeTypeFont colors

[Michael Van Canneyt]

On Fri, 10 May 2013, Leonardo M. Ramé wrote:

> On 2013-05-10 21:00:37 +0200, Michael Van Canneyt wrote:
>>
>>
>> On Fri, 10 May 2013, Leonardo M. Ramé wrote:
>>
>>> On 2013-05-10 20:34:00 +0200, Michael Van Canneyt wrote:
>>>>
>>>>
>>>> On Fri, 10 May 2013, Leonardo M. Ramé wrote:
>>>>
>>>>> Hi, I'm writing text over TFPImageCanvas using a TFreeTypeFont, and I
>>>>> noted some times, the text contains wrong colors around the pixels of
>>>>> the text.
>>>>>
>>>>> I've attached an image to show the problem. As you can see, the text
>>>>> over light gray and white is adding red dots, that doesn't have to be
>>>>> there.
>>>>>
>>>>> The resulting image is an TFPMemoryImage composed of two TFPImageCanvas
>>>>> one containing the image and a 2nd one containing the text.
>>>>>
>>>>> How can I avoid those red dots?.
>>>>
>>>> Are you using antialiasing ?
>>>> If so, try switching it off.
>>>>
>>>
>>> Thanks, after setting AntiAliased to false, the red dots where removed,
>>> but fonts look really ugly (like shrinked or something). Please take a
>>> look at the attached image, the font is Arial 10.
>>
>> Strange. Did you rescale any of the images ?
>>
>
> No. I've also tested writing the image to a bmp file, but the result is
> the same.

Can you produce a bitmap with just the text and see what that looks like ?

Michael.