Re: [Celestia-developers] windows capture video fix?
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Re: [Celestia-developers] windows capture video fix?
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From: Chris L. <cl...@gm...> - 2009-08-30 17:41:25
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Steve,
I'll be away from my computer until tonight. After that, I can take a look
at the change you've made. I changed the text drawing functions slightly a
few weeks ago--they'd been updating the OpenGL transformation matrix every
time a character was drawn, which is very inefficient when a lot of
characters are drawn. Obviously, the code to draw the video recording text
was missed in the update.
--Chris
On Sun, Aug 30, 2009 at 8:50 AM, Steve Popovich <car...@ya...> wrote:
> OK,
> This will be my last attempt at this. Notice that line 178 is commented
> out. It is not even needed. It's not 100% but it does look expectable for
> now. The only problem I can see is the line at the bottom of the red
> rectangle is offset by a few spaces but it is always in the confines of the
> rectangle. It used to be completely left justified but now it is a few
> spaces in. Still, x and y offsets could be causing problems elsewhere that
> hasn't been seen yet.
>
>
> Index: celestia/src/celengine/overlay.h
> ===================================================================
> --- celestia/src/celengine/overlay.h (revision 4863)
> +++ celestia/src/celengine/overlay.h (working copy)
> @@ -15,7 +15,6 @@
> #include <cstdio>
> #include <celtxf/texturefont.h>
>
> -
> class Overlay;
>
> // Custom streambuf class to support C++ operator style output. The
> @@ -77,6 +76,7 @@
> int windowHeight;
> TextureFont* font;
> bool useTexture;
> + bool useRect;
> bool fontChanged;
> int textBlock;
>
> Index: celestia/src/celengine/overlay.cpp
> ===================================================================
> --- celestia/src/celengine/overlay.cpp (revision 4863)
> +++ celestia/src/celengine/overlay.cpp (working copy)
> @@ -24,6 +24,7 @@
> windowHeight(1),
> font(NULL),
> useTexture(false),
> + useRect(false),
> fontChanged(false),
> textBlock(0),
> xoffset(0.0f),
> @@ -83,6 +84,7 @@
>
> void Overlay::beginText()
> {
> + xoffset = 0.0f;
> glPushMatrix();
> textBlock++;
> }
> @@ -173,6 +175,7 @@
> i += UTF8EncodedSize(ch);
> print(ch);
> }
> +// xoffset = 0.0f;
> }
>
>
> @@ -180,21 +183,24 @@
> {
> va_list args;
> va_start(args, format);
> -
> + if (useRect)
> + {
> + xoffset = 0.0f;
> + useRect = false;
> + }
> char buf[1024];
> vsprintf(buf, format, args);
> print(buf);
> -
> va_end(args);
> }
>
> -
> void Overlay::rect(float x, float y, float w, float h, bool fill)
> {
> if (useTexture)
> {
> glDisable(GL_TEXTURE_2D);
> useTexture = false;
> + useRect = true;
> }
>
> if (fill)
>
>
> Steve
>
> --- On *Sun, 8/30/09, Steve Popovich <car...@ya...>* wrote:
>
>
> From: Steve Popovich <car...@ya...>
> Subject: Re: [Celestia-developers] windows capture video fix?
> To: "vincent" <vin...@fr...>
> Cc: cel...@li...
> Date: Sunday, August 30, 2009, 10:34 AM
>
>
> I seen a problem this morning with my second attempt at fixing this. When
> increasing time, the display for time speed is partially overwritten. The
> first email I sent on this subject has a zip file attached that should work
> even though it's a hack. There needs to be a better way of keeping track of
> these x and y offsets that Chris introduced a few weeks ago.
> Steve
>
> --- On *Sat, 8/29/09, Steve Popovich <car...@ya...>* wrote:
>
>
> From: Steve Popovich <car...@ya...>
> Subject: Re: [Celestia-developers] windows capture video fix?
> To: "vincent" <vin...@fr...>
> Cc: cel...@li...
> Date: Saturday, August 29, 2009, 11:57 PM
>
> Vincent,
> Sorry about the last patch. It works but it's a real hack.
> This looks much better and works too.
>
> Index: celestia/src/celengine/overlay.h
> ===================================================================
> --- celestia/src/celengine/overlay.h (revision 4863)
> +++ celestia/src/celengine/overlay.h (working copy)
> @@ -15,7 +15,6 @@
> #include <cstdio>
> #include <celtxf/texturefont.h>
>
> -
> class Overlay;
>
> // Custom streambuf class to support C++ operator style output. The
> @@ -77,6 +76,7 @@
> int windowHeight;
> TextureFont* font;
> bool useTexture;
> + bool useRect;
> bool fontChanged;
> int textBlock;
>
> Index: celestia/src/celengine/overlay.cpp
> ===================================================================
> --- celestia/src/celengine/overlay.cpp (revision 4863)
> +++ celestia/src/celengine/overlay.cpp (working copy)
> @@ -24,6 +24,7 @@
> windowHeight(1),
> font(NULL),
> useTexture(false),
> + useRect(false),
> fontChanged(false),
> textBlock(0),
> xoffset(0.0f),
> @@ -83,6 +84,7 @@
>
> void Overlay::beginText()
> {
> + xoffset = 0.0f;
> glPushMatrix();
> textBlock++;
> }
> @@ -173,6 +175,7 @@
> i += UTF8EncodedSize(ch);
> print(ch);
> }
> + xoffset = 0.0f;
> }
>
>
> @@ -180,21 +183,24 @@
> {
> va_list args;
> va_start(args, format);
> -
> + if (useRect)
> + {
> + xoffset = 0.0f;
> + useRect = false;
> + }
> char buf[1024];
> vsprintf(buf, format, args);
> print(buf);
> -
> va_end(args);
> }
>
> -
> void Overlay::rect(float x, float y, float w, float h, bool fill)
> {
> if (useTexture)
> {
> glDisable(GL_TEXTURE_2D);
> useTexture = false;
> + useRect = true;
> }
>
> if (fill)
>
> Steve
>
> --- On *Sat, 8/29/09, Steve Popovich <car...@ya...>* wrote:
>
>
> From: Steve Popovich <car...@ya...>
> Subject: [Celestia-developers] windows capture video fix?
> To: "vincent" <vin...@fr...>
> Cc: cel...@li...
> Date: Saturday, August 29, 2009, 11:02 PM
>
> Vincent,
> This seems to work on QT4 Theora. There were 2 problems. One was the date
> was shifted to the right when the red rectangle was displayed. The second
> was the timer. The only way to fix the timer was to duplicate, then rename
> oprintf to oprint and put a line to set the xoffset = 0.0f. I also had to
> add a xoffset = 0.0f to beginText. This stopped the date from shifting when
> the red rectangle was drawn. Then celestiacore calls oprint when displaying
> the timer. The reason I had to duplicate it was that oprintf was used to
> display the Terse info at the top left main window. A xoffset = 0.0f caused
> the info to over right the lables. To sum up this is what I did. See zip
> file.
> Steve
>
>
>
> -----Inline Attachment Follows-----
>
>
> ------------------------------------------------------------------------------
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>
> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
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>
> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
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> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
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