Re: [ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-09 Thread Ian Britten
On 06/08/10 02:47 PM, Werner LEMBERG wrote: As you suspected, Horizontal_Sweep_Drop() seems to be the culprit, and the 2.3.11 changes seem to be producing different results in the second/final call to it. Thanks, will have a look soon. Most appreciated! If anything isn't there, let me know

Re: [ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-06 Thread Ian Britten
On 06/08/10 02:47 AM, Werner LEMBERG wrote: - Even though I'm getting different rasterization results between 2.3.9 and 2.3.11, I can't seem to see anything different being done. The output I attached is the same for both versions, leading me to suspect I'm not looking at the relevant

Re: [ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-06 Thread Werner LEMBERG
As you suspected, Horizontal_Sweep_Drop() seems to be the culprit, and the 2.3.11 changes seem to be producing different results in the second/final call to it. I'm not going to try to understand the logic, nor suggest how to fix it (Not my area of expertise!). Instead, I've tried to print

Re: [ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-05 Thread Ian Britten
On 05/08/10 02:09 AM, Werner LEMBERG wrote: Might there be a key place that does some sort of equivalent of a PutPixel(i, j, value) that I could watch while debugging my Cairo-based case? Or does the algorithm not lend itself to that? I figure someone must be turning on that offending pixel,

Re: [ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-05 Thread Werner LEMBERG
- Even though I'm getting different rasterization results between 2.3.9 and 2.3.11, I can't seem to see anything different being done. The output I attached is the same for both versions, leading me to suspect I'm not looking at the relevant code. I suggest that you build your product

[ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-04 Thread Ian Britten
Hi all, I believe I'm seeing a regression between 2.3.9 and 2.3.11 when rendering monochrome text, resulting in a stray pixel being rendered - See the attached screenshots. Note that I feel this is a regression since the 2.3.11 version looks wrong, while the older 2.3.9 looks correct. This is

Re: [ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-04 Thread Werner LEMBERG
I believe I'm seeing a regression between 2.3.9 and 2.3.11 when rendering monochrome text, resulting in a stray pixel being rendered - See the attached screenshots. Just for reference: Have you tested 2.4.1 also? I don't expect any improvement, but... Unfortunately, I'm not able to give

Re: [ft] Stray pixel from FT_Outline_Get_Bitmap()?

2010-08-04 Thread Ian Britten
On 04/08/10 09:54 AM, Werner LEMBERG wrote: I believe I'm seeing a regression between 2.3.9 and 2.3.11 when rendering monochrome text, resulting in a stray pixel being rendered - See the attached screenshots. Just for reference: Have you tested 2.4.1 also? I don't expect any improvement,