Differential D8691 Diff 28118 source/blender/editors/interface/view2d.c

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source/blender/editors/interface/view2d.c

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	* The Original Code is Copyright (C) 2008 Blender Foundation.			* The Original Code is Copyright (C) 2008 Blender Foundation.
	* All rights reserved.			* All rights reserved.
	*/			*/

	/** \file			/** \file
	* \ingroup edinterface			* \ingroup edinterface
	*/			*/

				#include <CLG_log.h>
	#include <float.h>			#include <float.h>
	#include <limits.h>			#include <limits.h>
	#include <math.h>			#include <math.h>
	#include <string.h>			#include <string.h>

	#include "MEM_guardedalloc.h"			#include "MEM_guardedalloc.h"

	#include "DNA_scene_types.h"			#include "DNA_scene_types.h"
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	#include "ED_screen.h"			#include "ED_screen.h"

	#include "UI_interface.h"			#include "UI_interface.h"
	#include "UI_view2d.h"			#include "UI_view2d.h"

	#include "interface_intern.h"			#include "interface_intern.h"

				static CLG_LogRef LOG = {"interface.view2d"};

	static void ui_view2d_curRect_validate_resize(View2D *v2d, bool resize);			static void ui_view2d_curRect_validate_resize(View2D *v2d, bool resize);

	/* -------------------------------------------------------------------- */			/* -------------------------------------------------------------------- */
	/** \name Internal Utilities			/** \name Internal Utilities
	* \{ */			* \{ */

	BLI_INLINE int clamp_float_to_int(const float f)			BLI_INLINE int clamp_float_to_int(const float f)
	{			{
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	/* Change the size of the maximum viewable area (i.e. 'tot' rect) */			/* Change the size of the maximum viewable area (i.e. 'tot' rect) */
	void UI_view2d_totRect_set_resize(View2D *v2d, int width, int height, bool resize)			void UI_view2d_totRect_set_resize(View2D *v2d, int width, int height, bool resize)
	{			{
	/* don't do anything if either value is 0 */			/* don't do anything if either value is 0 */
	width = abs(width);			width = abs(width);
	height = abs(height);			height = abs(height);

	if (ELEM(0, width, height)) {			if (ELEM(0, width, height)) {
	if (G.debug & G_DEBUG) {			CLOG_ERROR(
	printf("Error: View2D totRect set exiting: v2d=%p width=%d height=%d\n",			&LOG, "View2D totRect set exiting: v2d=%p width=%d height=%d", (void *)v2d, width, height);
	(void *)v2d,
	width,
	height); // XXX temp debug info
	}
	return;			return;
	}			}

	/* handle width - posx and negx flags are mutually exclusive, so watch out */			/* handle width - posx and negx flags are mutually exclusive, so watch out */
	if ((v2d->align & V2D_ALIGN_NO_POS_X) && !(v2d->align & V2D_ALIGN_NO_NEG_X)) {			if ((v2d->align & V2D_ALIGN_NO_POS_X) && !(v2d->align & V2D_ALIGN_NO_NEG_X)) {
	/* width is in negative-x half */			/* width is in negative-x half */
	v2d->tot.xmin = (float)-width;			v2d->tot.xmin = (float)-width;
	v2d->tot.xmax = 0.0f;			v2d->tot.xmax = 0.0f;
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