Differential D8682 Diff 30475 source/blender/editors/interface/view2d_ops.c

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	dx = RNA_float_get(op->ptr, "deltax") / U.dpi_fac;			dx = RNA_float_get(op->ptr, "deltax") / U.dpi_fac;
	dy = RNA_float_get(op->ptr, "deltay") / U.dpi_fac;			dy = RNA_float_get(op->ptr, "deltay") / U.dpi_fac;

	if (U.uiflag & USER_ZOOM_INVERT) {			if (U.uiflag & USER_ZOOM_INVERT) {
	dx *= -1;			dx *= -1;
	dy *= -1;			dy *= -1;
	}			}

	/* continuous zoom shouldn't move that fast... */			/* Continuous zoom method, must be skipped for zooming with a trackpad,
	if (U.viewzoom == USER_ZOOM_CONT) { /* XXX store this setting as RNA prop? */			* it's not used for trackpads and the 'timer' is not initialized before. */
				if ((U.viewzoom == USER_ZOOM_CONT) && vzd->timer) { /* XXX store this setting as RNA prop? */
	const double time = PIL_check_seconds_timer();			const double time = PIL_check_seconds_timer();
	const float time_step = (float)(time - vzd->timer_lastdraw);			const float time_step = (float)(time - vzd->timer_lastdraw);

	dx = time_step 0.5f;			dx = time_step 0.5f;
	dy = time_step 0.5f;			dy = time_step 0.5f;

	vzd->timer_lastdraw = time;			vzd->timer_lastdraw = time;
	}			}
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