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give a more useful error when attempting to opengl render in background mode.

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add some tips to the python docs.
This commit is contained in:
Campbell Barton 2012-01-13 06:59:16 +00:00
parent cb499c57ec
commit 153be23dbe
2 changed files with 27 additions and 0 deletions
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21
doc/python_api/rst/info_tips_and_tricks.rst
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@ -26,6 +26,27 @@ There are 3 main uses for the terminal, these are:
For Linux and OSX users this means starting the terminal first, then running blender from within it. On Windows the terminal can be enabled from the help menu.
Interface Tricks
================
Access Operator Commands
------------------------
You may have noticed that the tooltip for menu items and buttons includes the ``bpy.ops``... command to run that button, a handy (hidden) feature is that you can press Ctrl+C over any menu item/button to copy this command into the clipboard.
Access Data Path
----------------
To find the path from an :class:`ID` datablock to its setting isn't always so simple since it may be nested away. To get this quickly you can right click on the setting and select select **Copy Data Path**,
if this can't be generated, only the property name is copied.
.. note::
This uses the same method for creating the animation path used by :class:`FCurve.data_path` and :class:`DriverTarget.data_path` drivers.
Show All Operators
==================

6
source/blender/editors/render/render_opengl.c
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@ -46,6 +46,7 @@
#include "DNA_object_types.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_main.h"
#include "BKE_report.h"
@ -258,6 +259,11 @@ static int screen_opengl_render_init(bContext *C, wmOperator *op)
const short is_write_still= RNA_boolean_get(op->ptr, "write_still");
char err_out[256]= "unknown";
if(G.background) {
BKE_report(op->reports, RPT_ERROR, "Can't use OpenGL render in background mode (no opengl context)");
return 0;
}
/* ensure we have a 3d view */
if(!ED_view3d_context_activate(C)) {